12005-12-31  Andrew Pinski  <pinskia@physics.uc.edu>
2
3	PR tree-opt/25612
4	* tree-ssa-pre.c (compute_avail): Treat the static chain decl as a
5	parameter and pretend that it is defined in the entry basic block.
6
72005-12-30  Kazu Hirata  <kazu@codesourcery.com>
8
9	* tree-outof-ssa.c (_elim_graph): Change the type of STACK to
10	VEC(int,heap).
11	(new_elim_graph, delete_elim_graph, elim_forward,
12	eliminate_phi): Use the VEC API on STACK.
13
142005-12-29  Daniel Berlin  <dberlin@dberlin.org>
15
16	* tree.h (VALUE_HANDLE_VUSES): New.
17	(struct tree_value_handle): Add vuses.
18
19	* tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses.
20	(vn_compute): Remove stmt argument.
21	Don't use vuses in hash value computation.
22	(val_expr_pair_eq): Compare vuse lists.
23	(copy_vuses_from_stmt): New function.
24	(shared_vuses_from_stmt): Ditto.
25	(vn_add): Rewrite in terms of vn_add_with_vuses.
26	(vn_add_with_vuses): New function.
27	(vn_lookup): Rewrite in terms of vn_lookup_with_vuses.
28	(vn_lookup_with_vuses): New function.
29	(vuses_compare): New function.
30	(print_creation_to_file): Ditto.
31	(vn_lookup_or_add): Rewrite to handle vuses.
32	(sort_vuses): New function.
33	(vn_lookup_or_add_with_vuses): Ditto.
34	(vn_init): Initialize shared_lookup_vuses.
35	(vn_delete): Free shared_lookup_vuses.
36
37	* tree-ssa-pre.c: Update todo list.
38	(bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and
39	rvuse_kill.
40	(RVUSE_IN): New macro.
41	(RVUSE_GEN): Ditto.
42	(RVUSE_KILL): Ditto.
43	(RVUSE_OUT): Ditto.
44	(modify_expr_node_pool): New function.
45	(pretemp): New.
46	(storetemp): Ditto.
47	(mergephitemp): Ditto.
48	(prephitemp): Ditto.
49	(struct expr_pred_trans_d): Add vuses member.
50	(expr_pred_trans_eq): Compare vuses.
51	(phi_trans_lookup): Add vuses argument.
52	(phi_trans_add): Ditto.
53	(translate_vuses_through_block): New function.
54	(phi_translate): Use vuses to ask about those expressions that can
55	have vuses.
56	Properly translate virtual uses through phis, and use
57	vn_lookup_or_add_with vuses.  Handle tcc_reference.
58	(phi_translate_set): Don't add pointless translations to the
59	cache.
60	(get_representative): New function.
61	(vuses_dies_in_block_x): Ditto.
62	(valid_in_set): Add block argument.  Check virtual use validity.
63	(clean): Add block argument. Update call to valid_in_set
64	(compute_antic_aux): Update call to clean.
65	(dump_bitmap_of_names): New function.
66	(compute_vuse_representatives): Ditto.
67	(compute_rvuse): Ditto.
68	(can_value_number_call): Modified to accept calls with vuses.
69	(can_value_number_operation): New function.
70	(can_PRE_operation): Ditto.
71	(need_creation): New vector of stores that may need creation.
72	(find_or_generate_expression): use can_PRE_operation.
73	(create_expression_by_pieces): Handle INDIRECT_REF.
74	Only create one temp until we have to change types.
75	Mark new vars for renaming.
76	(insert_into_preds_of_block): Ignore loopiness of loads.
77	Use can_PRE_operation.
78	Only create one temp until we have to chnge types.
79	(insert_aux): Use can_PRE_operation.
80	Don't pass name to insert_into_preds_of_block.
81	(insert_extra_phis): Only use one temp until we have to change
82	types.
83	(poolify_tree): New function.
84	(modify_expr_template): New var.
85	(poolify_modify_expr): New function.
86	(insert_fake_stores): Ditto.
87	(realify_fake_stores): Ditto.
88	(compute_avail): Use can_value_number_operation.
89	(mark_operand_necessary): Return NULL for non-SSA names.
90	(remove_dead_inserted_code): Update comment.
91	(init_pre): Initialize pretemp, need_creation, storetemp,
92	mergephitemp, prephitemp.
93	Create modify_expr_node_pool.
94	(fini_pre): Free modify_expr_node_pool and need_creation array.
95	(execute_pre): Call insert_fake_stores, compute_rvuse, and
96	realify_fake_stores.
97	* tree-flow.h (vn_compute): Fix prototype.
98	(vn_add): Ditto.
99	(vn_lookup): Ditto.
100	(sort_vuses): New.
101	(vn_lookup_or_add_with_vuses): Ditto.
102	(vn_add_with_vuses): Ditto.
103	(vn_lookup_with_vuses): Ditto.
104	* passes.c (pass_may_alias): Add.
105
1062005-12-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
107
108	* c-pretty-print.h (struct c_pretty_print_info): Add new member
109	"constant".
110	(pp_constant): New macro.
111	* c-pretty-print.c (pp_c_pretty_printer_init): Set pp->constant.
112
1132005-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
114
115	PR fortran/25586
116	* pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point
117	store patterns.
118
1192005-12-29 Kenneth Zadeck <zadeck@naturalbridge.com>
120
121	* bitmap.c (bitmap_element_free, bitmap_element_link,
122	bitmap_elt_insert_after, bitmap_and, bitmap_and_compl,
123	bitmap_and_compl, bitmap_ior, bitmap_ior_into, bitmap_xor,
124	bitmap_xor_into): Added code to properly maintain the variants
125	associated with the CURRENT and HEAD fields.
126	(bitmap_popcount, bitmap_clear_range, bitmap_compl_and_into): New
127	functions.
128	* bitmap.h: Added defs for bitmap_popcount, bitmap_clear_range,
129	and bitmap_compl_and_into.
130
131
1322005-12-29  Mike Stump  <mrs@apple.com>
133
134	* doc/invoke.texi (Objective-C and Objective-C++ Dialect Options
135	-fobjc-exceptions): Don't imply this doesn't work with the GNU
136	runtime.
137
1382005-12-29  Nathan Sidwell  <nathan@codesourcery.com>
139
140	* varasm.c (get_section): Use gcc_assert.
141
1422005-12-29  Paul Brook  <paul@codesourcery.com>
143
144	* config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
145	* config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
146	Include offset due to FIRST_PARM_OFFSET.
147
1482005-12-29  Paul Brook  <paul@codesourcery.com>
149
150	* config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
151	Create wrapper and rename body...
152	(__cmpdf2_internal): ... to this.  Return correct value for unordered
153	result.
154	(__cmpsf2): Create wrapper and rename body...
155	(__cmpsf2_internal): ... to this.  Return corerct value for unordered
156	result.
157	(__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
158	__cmpdf2_internal.
159	(__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
160	__cmpsf2_internal.
161
1622005-12-29  Paul Brook  <paul@codesourcery.com>
163
164	* config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
165	(__truncdfsf2): Ditto.
166	(__extenddfxf2): Ditto.
167	(__truncxfdf2): Ditto.
168	* config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
169	(__adddf3): Ditto.
170
1712005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
172	Paul Brook  <paul@codesourcery.com>
173
174	* config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
175	!TARGET_68020.
176	* config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
177	(EXTRA_MULTILIB_PARTS): Set.
178	* config/m68k/t-uclinux (EXTRA_PARTS): Remove.
179	(EXTRA_MULTILIB_PARTS): Set.
180
1812005-12-29  Alan Modra  <amodra@bigpond.net.au>
182
183	PR target/25572
184	* config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
185
1862005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
187
188	* config.gcc (mt-*-*): Add --with-arch support.
189	(--with): Print accepted options on error.
190	* config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
191
192	* config/mt/mt.c (DEF_VEC_P(basic_block),
193	DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
194
1952005-12-28  Daniel Berlin  <dberlin@dberlin.org>
196
197	Fix PR tree-optimization/25394
198	* fold-const.c (fold_checksum_tree): Guard
199	portions of checksumming with correct structure checks.
200
2012005-12-27  Kazu Hirata  <kazu@codesourcery.com>
202
203	* global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
204	DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
205	* basic-block.h: ... here.
206
2072005-12-27  Roger Sayle  <roger@eyesopen.com>
208
209	* fold-const.c (int_const_binop): Return NULL_TREE when an expression
210	can't be evaluated at compile-time (instead of calling abort).
211	Return NULL_TREE for division (and modulus) by zero.
212	(const_binop): Return NULL_TREE for floating point operators that
213	aren't handled by real_arithmetic.
214	(fold_binary): Eliminate "wins" variable, and "binary" label, by
215	folding operators with constant operands early.  Assert that
216	operands are non-NULL.
217
2182005-12-27  Kazu Hirata  <kazu@codesourcery.com>
219
220	* tree-vrp.c (extract_range_from_binary_expr): Use
221	build_int_cst instead of fold_convert.
222
2232005-12-26  Mark Mitchell  <mark@codesourcery.com>
224
225	PR c++/23171, c++/23172, c++/25417.
226	* c-decl.c (compound_literal_number): Remove.
227	(build_compound_literal): Use set_compound_literal_name.
228	* c-common.c (compound_literal_number): New variable.
229	(set_compound_literal_name): New function.
230	* c-common.h (set_compound_literal_name): Declare.
231
2322005-12-26  Kazu Hirata  <kazu@codesourcery.com>
233
234	PR tree-optimization/25125
235	* convert.c (convert_to_integer): Don't narrow the type of a
236	PLUS_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
237	is signed.
238
2392005-12-26  Graham Stott  <graham.stott@btinternet.com>
240
241	PR middle-end/25568
242	* combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
243	rtl bootstrap failure.
244
2452005-12-25  Kazu Hirata  <kazu@codesourcery.com>
246
247	* final.c (compute_alignments): Make it static.
248	* gcse.c (gcse_main, bypass_jumps): Likewise.
249	* web.c (web_main): Likewise.
250	* output.h: Remove the prototype for compute_alignments.
251	* rtl.h: Remove the prototypes for web_main, gcse_main, and
252	bypass_jumps.
253
2542005-12-24  Roger Sayle  <roger@eyesopen.com>
255
256	* expr.c (force_operand): Use expand_fix and expand_float to
257	implement integer <-> FP conversions instead of convert_to_mode.
258
2592005-12-24  Mark Mitchell  <mark@codesourcery.com>
260
261	PR c++/23171
262	* varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
263	CONSTRUCTOR is invalid.
264
2652005-12-23  Daniel Berlin  <dberlin@dberlin.org>
266
267	* tree-pass.h (pass_eliminate_useless_stores): Remove.
268	* tree-ssa-pre.c (is_copy_stmt): Ditto.
269	(follow_copies_till_vuse): Ditto.
270	(do_eustore): Ditto.
271	(gate_eustores): Ditto.
272	(pass_eliminate_useless_stores): Ditto.
273	* passes.c (init_optimization_passes): Ditto.
274
2752005-12-23  Paolo Bonzini  <bonzini@gnu.org>
276
277	* combine.c (simplify_shift_const): Fix typo.  Use, whenever
278	applicable, simplify_const_binary_operation.
279
280	(simplify_shift_const): Leave only the fallback
281	case when no simplification is possible.  Extract to...
282	(simplify_shift_const_1): ... here.  Always create a new
283	RTX instead of substituting.  Remove the signed_count variable.
284	Return NULL_RTX if no substitution is possible.
285
286	(simplify_and_const_int): Leave only the fallback
287	case when no simplification is possible.  Extract to...
288	(simplify_and_const_int_1): ... here.  Always create a new
289	RTX instead of substituting.  Return NULL_RTX if no substitution
290	is possible.
291
292	(force_to_mode, simplify_comparison): Don't pass a non-NULL first
293	parameter to simplify_and_const_int and simplify_shift_const,
294	unless it is equal to the expected non-simplified result.
295
2962005-12-23  Jakub Jelinek  <jakub@redhat.com>
297
298	PR target/25005
299	* regrename.c (replace_oldest_value_reg): Use validate_change with
300	IN_GROUP set to 1 instead of doing direct modifications.
301	(copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
302	replacements have been performed on an instruction, use
303	apply_change_group ().
304
3052005-12-23  Hans-Peter Nilsson  <hp@axis.com>
306
307	* config/cris/arit.c (do_31div): Clarify what "31" refers to.
308	[L_divsi3] (__Udiv): Don't use as inline function.
309	[L_modsi3] (__Umod): Ditto.
310	(__Div): Rearrange to call do_31div directly instead of __Udiv.
311	(__Mod): Similarly regarding __Umod.
312
313	PR target/24342
314	* config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
315	emitted insns with post-increments.
316	(cris_expand_epilogue): Ditto.
317
3182005-12-22  Jakub Jelinek  <jakub@redhat.com>
319	    Richard Henderson  <rth@redhat.com>
320
321	Merge from gomp-branch.
322	* builtins.def: Move all DEF_SYNC_BUILTIN to ...
323	* sync-builtins.def: ... new file.
324	(BUILT_IN_FETCH_AND_ADD_16,
325	BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
326	BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
327	BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
328	BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
329	BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
330	BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
331	BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
332	BUILT_IN_LOCK_RELEASE_16): New builtins.
333	* builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
334	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
335	* builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
336	* c-common.c (enum c_builtin_type): Move to top-level from
337	c_common_nodes_and_builtins enum builtin_type.
338	(builtin_types): Move from c_common_nodes_and_builtins.
339	(def_fn_type): New.
340	(c_common_nodes_and_builtins): Use it.
341	(def_builtin_1): Check for error_mark_node.
342	(sync_resolve_size): Handle also 128 bit sync builtins.
343	* Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
344
345	* config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
346	(TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
347	* config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
348	* config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
349	(doublemodesuffix, DCASHMODE): New mode attrs.
350	(sync_compare_and_swap<mode>): Change into expand, use CASMODE
351	instead of IMODE, if mode is wider than a word, expand into
352	sync_double_compare_and_swap*.
353	(*sync_compare_and_swap<mode>): New insn.
354	(sync_double_compare_and_swap<mode>): Likewise.
355	(*sync_double_compare_and_swapdi_pic): Likewise.
356	(sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
357	mode is wider than a word, expand into
358	sync_double_compare_and_swap_cc*.
359	(sync_double_compare_and_swap_cc<mode>): New insn.
360	(*sync_double_compare_and_swap_ccdi_pic): Likewise.
361
3622005-12-22  Richard Henderson  <rth@redhat.com>
363
364	* config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
365	(_mm_sub_si64): Likewise.
366	* config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
367
3682005-12-23  Alan Modra  <amodra@bigpond.net.au>
369
370	PR rtl-optimization/25432
371	* reload1.c (eliminate_regs_in_insn): Update insn code on
372	successfully re-recognizing modified insn.
373
3742005-12-22  Richard Guenther  <rguenther@suse.de>
375
376	* tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
377	* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
378	* varasm.c (array_size_for_constructor): Likewise.
379	* fold-const.c (size_diffop, invert_truthvalue,
380	optimize_bit_field_compare, make_range, build_range_check,
381	fold_cond_expr_with_comparison, fold_truthop,
382	fold_single_bit_test_into_sign_test, fold_binary): Likewise.
383
3842005-12-22  Dale Johannesen  <dalej@apple.com>
385
386	* config/i386/sse.md (sse_movhlps): Reverse operands for
387	2nd and 3rd alternatives.
388
3892005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
390
391	PR tree-opt/25513
392	* tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
393	variables.
394
3952005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
396	    Steven Bosscher <stevenb@suse.de>
397
398	* df.c (df_bitmaps_free): Only work for bbs for that structures are
399	allocated.
400	(df_bb_modify): Realloc tables to the new index.
401	(df_find_use): New function.
402	(df_find_def, df_reg_used): Handle subregs.
403	* df.h (df_find_use): Declare.
404
405	* loop-invariant.c: Include hashtab.h.
406	(struct invariant): Remove processed field, add eqto and reg fields.
407	(struct invariant_expr_entry): New.
408	(invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
409	hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
410	find_identical_invariants, merge_identical_invariants): New functions.
411	(create_new_invariant): Return the new invariant.  Initialize new
412	fields.
413	(find_invariants): Call merge_identical_invariants.
414	(get_inv_cost, best_gain_for_invariant, set_move_mark,
415	move_invariant_reg): Handle equivalent invariants.
416	* Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
417
4182005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
419
420	PR c++/23333
421	* c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
422	number is a single digit '0'.
423
4242005-12-22  Kazu Hirata  <kazu@codesourcery.com>
425
426	PR tree-optimization/23518
427	* fold-const.c (make_range): Don't move a constant to the
428	other side of the comparison if the type is signed and -fwrapv
429	is given.
430
4312005-12-22  Kazu Hirata  <kazu@codesourcery.com>
432
433	* tree-vrp.c (extract_range_from_binary_expr): Clean up uses
434	of vr0.type.
435
4362005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
437
438	PR middle-end/24998
439	* config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
440	_floatundisf.
441
4422005-12-21  Andrew Haley  <aph@redhat.com>
443
444	PR middle-end/25121
445	* recog.c (peephole2_optimize): Don't peephole any
446	RTX_FRAME_RELATED_P insns.
447
4482005-12-21  Kazu Hirata  <kazu@codesourcery.com>
449
450	* tree-data-ref.c (estimate_niter_from_size_of_data): Replace
451	fold_build2 with fold_binary.
452	* tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
453	Replace fold_build1 with fold_unary.
454	* tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
455	with fold_binary.
456
4572005-12-21  Steven Bosscher  <stevenb@suse.de>
458
459	PR rtl-optimization/25196
460	* postreload-gcse.c (record_last_set_info): Notice stack pointer
461	changes in push insns without REG_INC notes.
462
4632005-12-21  Kazu Hirata  <kazu@codesourcery.com>
464
465	PR tree-optimization/25382.
466	* tree-vrp.c (extract_range_from_binary_expr): Extract a range
467	from BIT_AND_EXPR.
468
4692005-12-21  Janis Johnson  <janis187@us.ibm.com>
470	    Ben Elliston  <bje@au.ibm.com>
471
472	* configure.ac: Enable C extension for decimal float if invoked
473	with --enable-decimal-float.
474	* doc/install.texi (Configuration): Document it.
475	* configure, config.in: Regenerate.
476
4772005-12-20  Mike Stump  <mrs@apple.com>
478
479	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
480	ambiguity between -seg_addr_table and -seg_addr_table_filename.
481	(WORD_SWITCH_TAKES_ARG): Likewise.
482	(LINK_SPEC): Likewise.
483
4842005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
485
486	* cfganal.c (flow_reverse_top_sort_order_compute):
487	Renamed to post_order_compute and additional parameter added which
488	allows the inclusion of entry and exit blocks into list.
489	(mark_dfs_back_edges): Fixed comment.
490	(flow_depth_first_order_compute): Renamed to
491	pre_and_rev_post_order_compute additional parameter added which
492	allows the inclusion of entry and exit blocks into list.
493	* global.c (set_up_bb_rts_numbers): Call to
494	flow_reverse_top_sort_order_compute renamed to
495	post_order_compute.
496	* var-tracking.c (vt_stack_adjustments): Fixed comment.
497	(vt_find_locations): Call to
498	flow_depth_first_order_compute renamed to
499	pre_and_rev_post_order_compute.
500	* cfgloop.c (flow_find_loops): Ditto.
501	* tree-ssa-reassoc.c (init_reassoc): Ditto.
502	* df.c (df_analyze_1, df_analyze_subcfg): Calls to
503	flow_reverse_top_sort_order_compute renamed to post_order_compute
504	and calls to flow_reverse_top_sort_order_compute renamed to
505	post_order_compute.
506	* basic_block.h: Ditto.
507
508
5092005-12-20  Roger Sayle  <roger@eyesopen.com>
510	    Paolo Bonzini  <bonzini@gnu.org>
511
512	PR rtl-optimization/25115
513	* gcse.c (pre_insert_copy_insn): Fall back to the sole
514	SET in the insn if there is no SET for an
515	expression that is equivalent to EXPR.
516
5172005-12-20  Richard Guenther  <rguenther@suse.de>
518
519	PR middle-end/24306
520	* builtins.c (std_gimplify_va_arg_expr): Do not align
521	va frame for zero sized types.
522	* config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
523
5242005-12-20  Kazu Hirata  <kazu@codesourcery.com>
525
526	PR tree-optimization/25501
527	* tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
528	used in the PHI argument corresponding to the edge from BB to
529	DEST.
530
5312005-12-20  Richard Guenther  <rguenther@suse.de>
532
533	Revert
534	2005-12-02  Richard Guenther  <rguenther@suse.de>
535
536	* tree-cfg.c (mark_used_vars): New function.
537	(dump_function_to_file): Dump only used VAR_DECLs.
538
5392005-12-19  Roger Sayle  <roger@eyesopen.com>
540
541	* combine.c (try_combine): Improve splitting of binary operators
542	by taking advantage of reassociative transformations.
543
5442005-12-19  Jeff Law  <law@redhat.com>
545
546	* tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
547	Strip away all type conversions after simplifying the
548	condition.
549
550	* tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
551	cases the forwarder block dominates the destination.
552
5532005-12-19  DJ Delorie  <dj@redhat.com>
554
555	* reload1.c (spill_failure): Dump reload data to dump file.
556	(find_reload_regs): Likewise.
557
5582005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
559
560	PR tree-optimization/24793
561	* tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
562	original reference if there are subvars.
563	* tree-ssa-operands.c (get_tmr_operands): Handle subvars.
564
5652005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
566
567	* df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
568	Corrected basic block number calculations for changes in entry and
569	exit numbering.
570
5712005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
572
573	* tree-flow.h (struct var_ann_d): Change type of
574	may_aliases field to VEC(tree, gc) *.
575	(may_aliases): Declaration changed.
576	* tree-ssa-alias.c (group_aliases, add_may_alias,
577	replace_may_alias, dump_may_aliases_for,
578	is_aliased_with, add_type_alias, new_type_alias):
579	Work with VEC(tree, gc) * instead of varray.
580	* tree-flow-inline.h (may_aliases): Ditto.
581	* tree-ssa.c (verify_flow_insensitive_alias_info,
582	verify_name_tags): Ditto.
583	* tree-ssa-operands.c (add_stmt_operand): Ditto.
584
5852005-12-19  J"orn Rennecke <joern.rennecke@st.com>
586
587	* cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
588	comes back.
589
5902005-12-19  J"orn Rennecke <joern.rennecke@st.com>
591
592	* struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
593	check.
594
5952005-12-19  Ben Elliston  <bje@au.ibm.com>
596
597	* doc/install.texi (Configuration): Typo in Fortran subheading.
598
5992005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
600
601	* config/mt/mt.md (decrement_and_branch_until_zero): Add another
602	scratch.  Correct its reload split. Adjust its peephole.
603	(doloop_end): Add additional scratch.
604	(nop): Use 'nop'.
605	* config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
606	(mt_asm_output_opcode, mt_print_operand): Use 'nop'.
607	(mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
608	(mt_builtin_saveregs): Replace with ...
609	(mt_setup_incoming_varargs): ... here.  Save just the varadic
610	args.
611	(mt_va_start): Remove.
612	(mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
613	(mt_machine_reorg): Split all insns here.
614	(TARGET_SETUP_INCOMING_VARARGS): Override.
615	* config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
616	Set to CPU type.
617	(EXPAND_BUILTIN_VA_START): Remove.
618
6192005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
620
621	* flow.c (update_life_info, count_or_remove_death_notes): Fixed
622	latent bug that could happen if update_life_info was called with a
623	blocks parameter and the call to cleanup_cfg actually deleted one
624	of those blocks.
625
6262005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
627
628	* tree-ssa-structalias.c (update_alias_info): Remove handling
629	of may_be_aliased (SSA_NAME_VAR (op)) case.
630
6312005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
632
633	* tree-flow.h (struct stmt_ann_d): Remove
634	makes_aliased_loads and makes_aliased_stores fields.
635	* tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
636	and makes_aliased_loads fields.
637	* tree-ssa-dom.c (eliminate_redundant_computations): Do not
638	use makes_aliased_stores.
639	* tree-ssa-operands.c (clobbered_aliased_loads,
640	clobbered_aliased_stores, ro_call_aliased_loads): Removed.
641	(build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
642	add_call_read_ops): Do not set makes_aliased_stores and
643	makes_aliased_loads fields.
644	* tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
645	field.
646
6472005-12-18  Geoffrey Keating  <geoffk@apple.com>
648
649	* config/darwin.h: Don't include darwin-sections.def to declare
650	global variables; instead create darwin_section_enum.
651	(darwin_section_enum): New.
652	(darwin_sections): New.
653	* config/darwin.c: Don't include darwin-sections.def to define
654	global variables.
655	(darwin_sections): New.
656	(output_objc_section_asm_op): Rewrite to take advantage of
657	darwin_sections.
658	(darwin_init_sections): Rewrite to use darwin_sections.
659	(machopic_output_indirection): Update for darwin_sections array.
660	(machopic_select_section): Likewise.
661	(machopic_select_rtx_section): Likewise.
662	(machopic_asm_out_constructor): Likewise.
663	(machopic_asm_out_destructor): Likewise.
664	(darwin_file_end): Likewise.
665	* config/rs6000/rs6000.c (machopic_output_stub): Likewise.
666	* config/i386/i386.c (machopic_output_stub): Likewise.
667
6682005-12-18  Richard Guenther  <rguenther@suse.de>
669
670	PR tree-optimization/25481
671	* tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
672	don't have a varinfo for.
673
6742005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
675	    Janis Johnson  <janis187@us.ibm.com>
676	    Ben Elliston  <bje@au.ibm.com>
677
678	* optabs.c (init_floating_libfuncs): Handle decimal float modes.
679	(init_optabs): Handle libfuncs for decimal float.
680	* genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
681	* stor-layout.c (int_mode_for_mode): Likewise.
682	* simplify-rtx.c (simplify_immed_subreg): Likewise.
683	(simplify_unary_operation_1): Skip optimisations for decimal float
684	modes.
685	* varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
686	* emit-rtl.c (gen_const_vector): Add assertion check.
687	(init_emit_once): Populate const_tiny_rtx with constants in each
688	decimal float mode.
689	* expmed.c (extract_high_half, expand_mult_highpart_optab,
690	expand_mult_highpart): Assert that mode is not a scalar float
691	mode.
692	* expr.c (convert_move): Handle conversion between decimal and
693	binary floats of the same size.
694	* convert.c (convert_to_real): Consider decimal float types when
695	folding.
696	* dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
697	describe decimal floating point types.
698
6992005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
700
701	PR rtl-optimization/21041
702	* reload.c (find_reloads_subreg_address): Replace paradoxical
703	subreg of MEM by widened access only if the resulting memory
704	is properly aligned, even on !STRICT_ALIGNMENT targets.
705
7062005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
707
708	* tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
709
7102005-12-18  Steven Bosscher  <stevenb@suse.de>
711
712	* gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
713	the 2005-12-17 patch to renumber the entry and exit blocks.
714
7152005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
716
717	* doc/objc.texi (Type encoding): Fix typo.
718
7192005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
720
721	* tree-tailcall.c (find_tail_calls): Use XNEW.
722	* tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
723	(free_all_edge_infos): Use explicit cast to convert from void *.
724	(vrp_free): Likewise.
725	(dom_opt_finalize_block): Likewise.
726	(record_equivalences_from_incoming_edge): Likewise.
727	(thread_across_edge): Likewise.  Use XCNEWVEC.
728	(record_cond): Use XCNEW.
729	(record_conditions): Use XNEWVEC.
730	(record_edge_info): Use XCNEWVEC.
731	(lookup_avail_expr): Use XNEW.
732	(record_range): Likewise.  Use GGC_NEW.
733	* tree-nested.c (var_map_hash): Use explicit cast to convert from
734	void *.
735	(var_map_eq): Likewise.
736	(lookup_field_for_decl): Likewise.
737	(convert_nonlocal_reference): Likewise.
738	(convert_local_reference): Likewise.
739	(convert_nl_goto_reference): Likewise.
740	(convert_nl_goto_receiver): Likewise.
741	(convert_call_expr): Likewise.
742	(convert_tramp_reference): Likewise.
743	(lookup_tramp_for_decl): Likewise.Use GGC_NEW.
744	(convert_nl_goto_reference): Likewise.
745	(lookup_field_for_decl): Use GGC_NEW.
746	(create_nesting_tree): Use GGC_CNEW.
747	* tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
748	* tree-ssa-alias.c (init_alias_info): Use XCNEW.
749	(create_alias_map_for): Likewise.
750	(setup_pointers_and_addressables): Use XCNEWVEC.
751	(get_ptr_info): Use GGC_NEW.
752	(used_part_map_eq): Use explicit cast to convert from void *.
753	(up_lookup): Likewise.
754	(up_insert): Use XNEW.
755	(get_or_create_used_part_for): Use XCNEW.
756	(get_tmt_for): Likewise.
757	* tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
758	* tree-ssa-pre.c (phi_trans_add): Use XNEW.
759	(bitmap_set_new): Use explicit cast to convert from void *.
760	(set_new): Likewise.
761	(insert_into_set): Likewise.
762	(pool_copy_list): Likewise.
763	(phi_translate): Likewise.
764	(create_value_expr_from): Likewise.
765	(insert_aux): Use XCNEWVEC.
766	(compute_avail): Use XNEWVEC.
767	* tree-ssa-live.c (calculate_live_on_entry): Likewise.
768	(sort_coalesce_list): Likewise.
769	(build_tree_conflict_graph): Use XCNEWVEC.
770	* tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
771	* tree-ssa-copy.c (init_copy_prop): Likewise.
772	(fini_copy_prop): Likewise.
773	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
774	and XCNEWVEC.
775	(record_equiv): Use XNEW.
776	(uncprop_into_successor_phis): Use explicit cast to convert from
777	void *.
778	(uncprop_initialize_block): Likewise.
779
7802005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
781
782	PR tree-optimization/24378
783	* tree-vect-transform.c (vect_transform_loop): Create single-predecessor
784	basic-block after loop-versioning.
785
7862005-12-18  Jeff Law  <law@redhat.com>
787
788	* tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
789	to simplify SWITCH_EXPR_CODE moved from here to ...
790	* tree-ssa-forwprop.c (simplify_switch_expr): Here.
791	(tree-ssa-forward_propagate_single_use_vars): Call
792	simplify_switch_expr when appropriate.
793
7942005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
795
796	* doc/objc.texi (Type encoding): Add documentation about encoding
797	complex types and _Bool.
798
7992005-12-17  Paul Brook  <paul@codesourcery.com>
800
801	* config/m68k/m68k.md (m68k_output_function_prologue): Always call
802	dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
803	when frame_pointer_needed.
804
8052005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
806
807	* tree-vn.c (vn_add): Use XNEW.
808	* tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
809	(ccp_fold): Likewise.
810	(fold_stmt_r): Use explicit cast to convert from void *.
811	* tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
812	(new_temp_expr_table): Likewise.
813	* gimplify.c (lookup_tmp_var): Use XNEW.
814	(gimplify_asm_expr): Use explcit cast to convert from void *.
815	* tree-into-ssa.c (get_ssa_name_ann): Likewise.
816	(get_def_blocks_for): Use XNEW.
817	(add_to_repl_tbl): Likewise.
818	(mark_def_sites): Use explicit cast to convert from void *.
819	(def_blocks_free): Likewise.
820	(mark_def_sites_initialize_block): Likewise.
821	(update_ssa): Use XNEWVEC.
822	* tree-dfa.c (create_var_ann): Use GGC_NEW.
823	(create_stmt_ann): Likewise.
824	(create_tree_ann): Likewise.
825	(referenced_var_insert): Likewise.
826	(set_default_def): Likewise.
827	(referenced_var_lookup_if_exists): Use explicit cast to convert
828	from void *.
829	(referenced_var_lookup): Likewise.
830	(default_def): Likewise.
831	(set_default_def): Likewise.
832	* tree-cfg.c (create_bb): Likewise.
833	(edge_to_cases_cleanup): Likewise.
834	(verify_node_sharing): Likewise.
835	(record_switch_edge): Use XNEW.
836	(cleanup_dead_labels): Use XCNEWVEC.
837	(tree_duplicate_sese_region): Use XNEWVEC.
838	* tree-scalar-evolution.c (get_instantiated_value): Likewise.
839	* tree-ssa.c (verify_ssa): Use XCNEWVEC.
840	(int_tree_map_eq): Use explicit cast to convert from void *.
841	* libgcov.c (gcov_exit): Use explicit cast to convert from void *.
842	(__gcov_execl): Likewise.
843	(__gcov_execlp): Likewise.
844	(__gcov_execle): Likewise.
845	* tree-eh.c (struct_ptr_eq): Likewise.
846	(struct_ptr_hash): Likewise.
847	(lookup_stmt_eh_region_fn): Likewise.
848	(outside_finally_tree): Likewise.
849	(find_goto_replacement): Likewise.
850	(make_eh_edge): Likewise.
851	(mark_eh_edge): Likewise.
852	(add_stmt_to_eh_region_fn): Use GGC_NEW.
853	(record_in_finally_tree): Use XNEW.
854	(maybe_record_in_goto_queue): Use XRESIZEVEC.
855	(lower_try_finally_copy): Use XCNEWVEC.
856
8572005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
858
859	* tree-inline.c (copy_body_r): Use explicit cast when converting
860	from void *.
861	(copy_bb): Likewise.
862	(copy_edges_for_bb): Likewise.
863	(remap_decl_1): Likewise.
864	(estimate_num_insns_1): Likewise.
865	* cgraph.c (hash_node): Use explicit cast when converting from
866	void *.
867	(eq_node): Likewise.
868	(cgraph_create_node): Use GGC_CNEW.
869	(cgraph_create_edge): Use GGC_NEW.
870	(cgraph_remove_node): Use explicit cast when converting from void *.
871	(hash_varpool_node): Likewise.
872	(eq_varpool_node): Likewise.
873	(cgraph_varpool_node): Use GGC_CNEW.
874	* lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
875	* tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
876	(eq_scev_info): Use explicit cast when converting from void *.
877	(find_var_scev_info): Likewise.
878	(set_instantiated_value): Likewise.
879	(gather_stats_on_scev_database_1): Likewise.
880	* cfgloop.h (simple_loop_desc): Use explicit cast when converting
881	from void *.
882	* c-pch.c (c_common_write_pch): Use XNEWVEC.
883	(c_common_read_pch): Likewise.
884	* prefix.c (save_string): Use XNEWVEC.
885	(translate_name): Use explicit cast when converting from void *.
886	* c-ppoutput.c (print_line): Use explicit cast when converting
887	from void *.
888	(pp_dir_change): Likewise.
889	* c-cppbuiltin.c (builtin_define_std): Likewise.
890	(builtin_define_with_value): Likewise.
891	(builtin_define_with_value_n): Likewise.
892	(builtin_define_with_int_value): Likewise.
893	(builtin_define_type_max): Likewise.
894	* c-incpath.c (add_env_var_paths): Use XNEWVEC.
895	(add_path): Use XNEW.
896	* c-format.c (check_format_info_main): Use GGC_NEW.
897	(format_type_warning): Use explicit cast when converting from void *.
898	* c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
899	xmalloc.
900	(start_init): Likewise.
901	* tree-flow-inline.h (first_referenced_var): Use explicit cast
902	when converting from void *.
903	(next_referenced_var): Likewise.
904	* c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
905	* gensupport.c (lookup_predicate): Use explicit cast to convert
906	from void *.
907	(init_predicate_table): Use XCNEW instead of xcalloc.
908	* genpreds.c (process_define_predicate): Likewise.
909
9102005-12-17  Danny Berlin <dberlin@dberlin.org>
911	    Kenneth Zadeck <zadeck@naturalbridge.com>
912
913	* basic-block.h: Changed basic block numbering so that the entry
914	block is 0 and the exit block is 1.  Changed insn iterators so
915	that they are tolerant of blocks with no insns.
916	* regrename.c (copyprop_hardreg_forward): Changed basic block
917	numbering so that the entry block is 0 and the exit block is 1.
918	* sched-ebb.c (sehedule_ebbs): Ditto.
919	* tracer.c (branch_ratio_cutoff): Ditto.
920	* cfgloopmanip.c (fix_loop_structure): Ditto.
921	* cfghooks.c (verify_flow_info): Ditto.
922	* cfg.c (compact_blocks): Ditto.
923	* reorg.c (dbr_schedule): Ditto.
924	* flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
925	* dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
926	calculate_dominance_info): Ditto.
927	* cfganal.c (create_edge_list, print_edge_list,
928	flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
929	flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
930	dfs_enumerate_from): Ditto.
931	* global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
932	* ifcvt.c (find_if_case_2): Ditto.
933	* cfgbuild.c (control_flow_insn_p, count_basic_blocks,
934	find_basic_blocks): Ditto.
935	* predict.c (predict_loops, tree_bb_level_predictions,
936	predict_paths_leading_to, propagate_freq): Ditto.
937	* lcm.c (compute_antinout_edge, compute_laterin,
938	compute_available): Ditto.
939	* function.c (thread_prologue_and_epilogue_insns): Ditto.
940	* gcse.c (gcse_main, bypass_jumps): Ditto.
941	* profile.c (compute_branch_probabilities,
942	compute_value_histograms, branch_prob): Ditto.
943	* tree-flow-inline.h (bsi_start, bsi_after_labels,
944	bsi_last): Ditto.
945	* tree-ssa-phiopt.c (tree_ssa_phiopt,
946	blocks_in_phiopt_order): Ditto.
947	* bt-load.c (compute_defs_uses_and_gen, compute_kill,
948	compute_out, link_btr_uses, migrate_btr_defs): Ditto.
949	* tree-dfa.c (collect_dfa_stats): Ditto.
950	* cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
951	* cfglayout.c (fixup_reorder_chain): Ditto.
952	* bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
953	partition_hot_cold_basic_blocks): Ditto.
954	* var-tracking.c (vt_find_locations): Ditto.
955	* cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
956	* sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
957	* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
958	label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
959	* tree-ssa-reassoc.c (init_reassoc): Ditto.
960	* cfgrtl.c (entry_of_function, rtl_verify_flow_info,
961	rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
962	* df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
963	and removed unused reverse orders.
964	* df.h (): Ditto.
965	* combine.c: Fix document typo.
966
9672005-12-17  Jan Hubicka  <jh@suse.cz>
968
969	* tree-flow-inline.h (set_default_def, default_def): Kill.
970	* tree-dfa.c (default_defs): New global variable.
971	(default_def, set_default_def): New functions.
972	* tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
973	* tree-flow.h (struct var_ann_d): Kill default_def field.
974	(set_default_def, default_def): Update prototype.
975	(default_defs): Declare.
976
9772005-12-16  Jeff Law  <law@redhat.com>
978
979	* tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
980	(simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
981	into tree-ssa-forwprop.c.
982	(eliminate_redundant_computations): Do not call
983	simplify_rhs_and_lookup_avail_expr anymore.
984	* tree-ssa-forwprop.c (simplify_not_neg_expr): New function
985	extracted from remnants of simplify_rhs_and_lookup_avail_expr.
986	(tree_ssa_forward_propagate_single_use_vars): Call
987	simplify_not_neg_expr appropriately.
988
9892005-12-16  Bernd Trog  <berndtrog@yahoo.com>
990
991	PR target/20016
992	* config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
993
9942005-12-17  Kazu Hirata  <kazu@codesourcery.com>
995
996	PR rtl-optimization/25456
997	* struct-equiv.c (struct_equiv_improve_checkpoint): Replace
998	info->x_start with p->x_start.
999
10002005-12-17  Alan Modra  <amodra@bigpond.net.au>
1001
1002	* simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
1003	introduced 2005-12-16.
1004
10052005-12-16  Steven Bosscher  <stevenb@suse.de>
1006
1007	PR rtl-optimization/23837
1008	* optabs.c (expand_binop): For a multi-word rotate, never emit
1009	a REG_NO_CONFLICT block.
1010
10112005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1012
1013	PR middle-end/25457
1014	* reorg.c (mostly_true_jump): Remove unused variable 'insn'.
1015
1016	PR target/25447
1017	* config/pa/pa.c (pa_scalar_mode_supported_p): Handle
1018	MODE_DECIMAL_FLOAT.
1019
10202005-12-16  Steven Bosscher  <stevenb@suse.de>
1021
1022	* loop-invariant.c (move_loop_invariants): Add missing hunk from
1023	the previous patch, to nullify df.
1024
10252005-12-16  Steven Bosscher  <stevenb@suse.de>
1026
1027	* reorg.c (mostly_true_jump): Clean up code depending on
1028	LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
1029	poor man's branch prediction, instead rely on REG_BR_PROB
1030	notes to be available.
1031
10322005-12-16  Jakub Jelinek  <jakub@redhat.com>
1033
1034	PR rtl-optimization/24899
1035	* loop.c (strength_reduce): Don't reduce giv that is not always
1036	computable and where add_val or mult_val can trap.
1037
1038	* doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
1039
10402005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
1041
1042	* config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
1043	names of ms1-16-002 files.
1044
10452005-12-16  Alan Modra  <amodra@bigpond.net.au>
1046
1047	PR driver/20425
1048	* gcc.c (for_each_path): New function.
1049	(add_to_obstack, file_at_path): New functions.
1050	(struct file_at_path_info, struct add_to_obstack_info): New.
1051	(build_search_list): Rewrite using for_each_path.  Constify struct
1052	path_prefix pointer.  Add do_multi param.  Adjust all callers.
1053	(find_a_file): Similarly, but just change existing param to bool.
1054	(putenv_from_prefixes): Add do_multi param, make "paths" const.
1055	(do_spec_path): Delete.
1056	(struct spec_path_info): New.
1057	(spec_path): New function.
1058	(do_spec_1): Use for_each_path for %D and %I.
1059	(find_file): Adjust for find_a_file changes.
1060	(main): Search multilibs for specs.  Print multilib lib path for
1061	-print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
1062	(read_specs): Search multilibs for %include and %include_noerr.
1063	(is_directory): Remove second string param.  Change last param
1064	to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
1065	check path is a dir.  Update all callers.
1066	* doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
1067	* system.h (SMALL_ARG_MAX): Poison.
1068	* config.gcc: Don't define SMALL_ARG_MAX.
1069	* config.host: Likewise.
1070	* config.build: Likewise.
1071
10722005-12-16  Paolo Bonzini  <bonzini@gnu.org>
1073
1074	* combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
1075	FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
1076	ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
1077	simplify_logical): Move simplifications that do not require
1078	additional infrastructure...
1079	* simplify-rtx.c (simplify_unary_operation_1,
1080	simplify_binary_operation_1): ... here.
1081
10822005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1083
1084	PR 24823
1085	* flow.c (mark_used_dest_regs): New function.
1086	(mark_used_regs): Call mark_used_dest_regs.
1087
10882005-12-16  Jeff Law  <law@redhat.com>
1089
1090	* tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
1091	represent a use and definition of the same SSA_NAME.
1092
10932005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
1094	    Janis Johnson  <janis187@us.ibm.com>
1095	    Ben Elliston  <bje@au.ibm.com>
1096
1097	* target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
1098	(TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
1099	* target.h (struct gcc_target): Add decimal_float_supported_p.
1100	* targhooks.c (default_scalar_mode_supported_p): Handle
1101	MODE_DECIMAL_FLOAT.
1102	* builtins.def: Add new builtins for 32, 64 and 128 bit variants
1103	of inf, nan, finite, isinf and isnan.
1104	* builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
1105	BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
1106	BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
1107	BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
1108	BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
1109	BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
1110	BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
1111	* c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
1112	Pedwarn if decimal floating point types are used.  Error if
1113	decimal floating point is not supported by the target.
1114	(finish_declspecs): Return type from DFP typespec_word.
1115	* c-typeck.c (c_common_type): Choose the decimal floating point
1116	type with the greater precision when determining a common type.
1117	(convert_arguments): Warn if there is a mismatch between argument
1118	and prototype for decimal float types.  Warn of conversions with
1119	binary float types and of precision narrowing due to prototype.
1120	* c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
1121	(c_token_starts_typename): Handle RID_DFLOAT32/64/128.
1122	(c_token_starts_declspecs): Likewise.
1123	(c_parser_attributes): Likewise.
1124	* c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
1125	RID_DFLOAT64, RID_DFLOAT128.
1126	(T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
1127	* c-common.c (c_common_type_for_mode): Handle decimal float modes.
1128	(shorten_compare): Convert DFP/BFP operands to a common type.
1129	(c_common_modes_and_builtins): Register built-in decimal float
1130	types if the target supports them.
1131	(handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
1132	* builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
1133	inf, nan, finite, isinf and isnan builtins.
1134	* c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
1135	(builtin_define_float_constants): Assert non-decimal radix.
1136	(c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
1137	Call builtin_define_decimal_float_constants for each type.
1138	* c-lex.c (interpret_float): Decode decimal float types from CPP_N
1139	flags.  Use real_from_string3, which can handle binary or decimal
1140	floats.
1141	* c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
1142	cts_dfloat64, cts_dfloat128.
1143	* tree.c (build_common_tree_nodes_2): Add decimal float types.
1144	* tree.h (enum tree_index): Add new enumeration values
1145	TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
1146	TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
1147	(dfloat32_type_node): New macro.
1148	(dfloat64_type_node, dfloat128_type_node): Likewise.
1149	(dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
1150	(dfloat128_ptr_type_node): Likewise.
1151	* c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
1152	bit decimal floating point types with "df", "dd" and "dl".
1153	* c-format.h (enum format_lengths): Add new enumeration values
1154	FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
1155	* c-format.c (printf_length_specs, scanf_length_specs): Add
1156	entries for H, D, DD.
1157	(print_char_table, scan_char_table): Use new entries.
1158	(asm_fprintf_char_table, gcc_diag_char_table,
1159	gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
1160	length arrays.
1161	* defaults.h (DECIMAL32_TYPE_SIZE): Define.
1162	(DECIMAL64_TYPE_SIZE): Likewise.
1163	(DECIMAL128_TYPE_SIZE): Likewise.
1164	(TARGET_DEC_EVAL_METHOD): Likewise.
1165	* doc/extend.texi (Decimal Float): New node.
1166	(Constructing Calls): Document decimal float built-ins.
1167	* doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
1168	* Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
1169	* ginclude/decfloat.h: New file.
1170
11712005-12-16  Alan Modra  <amodra@bigpond.net.au>
1172
1173	* reload.c (find_reloads): Fix comment typo.
1174	* recog.h (recog_memoized): Correct comment.
1175
11762005-12-16  Kazu Hirata  <kazu@codesourcery.com>
1177
1178	* basic-block.h, config/i386/winnt.c, config/pa/pa.c,
1179	config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
1180	reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
1181	tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
1182	* doc/invoke.texi, doc/tm.texi: Fix typos.
1183
11842005-12-16  Ben Elliston  <bje@au.ibm.com>
1185
1186	* real.c (decimal_quad_format): Correct values for emin, emax.
1187
11882005-12-15  DJ Delorie  <dj@redhat.com>
1189
1190	* config/m32c/predicates.md (m32c_psi_scale): New.
1191	* config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
1192	* config/m32c/muldiv.md (mulpsi3): Support negative constants.
1193
11942005-12-16  Jan Hubicka  <jh@suse.cz>
1195
1196	PR rtl-optimization/25224
1197	* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
1198	tables.
1199
12002005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1201	    Steven Bosscher <stevenb@suse.de>
1202
1203	* loop-invariant.c (df): New global variable.
1204	(find_defs, check_dependencies, find_invariant_insn, record_uses,
1205	find_invariants_bb, find_invariants_body, find_invariants,
1206	find_invariants_to_move, move_invariants, free_inv_motion_data,
1207	move_single_loop_invariants, move_loop_invariants): Do not pass df in
1208	arguments.
1209
12102005-12-15  Jakub Jelinek  <jakub@redhat.com>
1211
1212	* varasm.c (default_unique_section_1): Use special section
1213	names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1214
12152005-12-16  Ben Elliston  <bje@au.ibm.com>
1216
1217	* doc/invoke.texi (Warning Options): Document -Walways-true being
1218	enabled by -Wall.
1219
12202005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1221
1222	PR other/25028
1223	* libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1224	* libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1225	__floatunditf): Use #error if type sizes don't match requirements
1226	of implementation.
1227	(__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1228	as wider floating-point type.  Use #error if type sizes don't
1229	match requirements of implementation.  Avoid overflow in computing
1230	Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1231	shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1232	(__floatundisf, __floatundidf): Likewise.
1233	* config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1234	* config/ia64/ia64.c (ia64_init_libfuncs): Use
1235	_U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1236	TFmode-TImode conversions.
1237	* doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1238
12392005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1240
1241	* freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1242	Use builtin_define_with_int_value() instead of
1243	adding a new check for every new major FreeBSD version.
1244
12452005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1246
1247	* config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1248
12492005-12-15  Richard Sandiford  <richard@codesourcery.com>
1250
1251	* config/arm/predicates.md (call_memory_operand): New.
1252	* config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1253
12542005-12-15  Andrew Haley  <aph@redhat.com>
1255
1256	* unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1257	against prev_cache_entry == NULL when moving a cache entry to the
1258	head of the list.
1259
12602005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1261
1262	* config/mt/mt.c (mt_override_options): Require lower case
1263	architectures.  Revert accidental default to ms2.
1264	* config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1265	ENDFILE_SPEC): Require lower case architectures.  Revert default
1266	to ms2.
1267
1268	* doc/invoke.texi (MT Options): Rename and update.
1269	* doc/md.texi (MorphoTech family): Rename and update.
1270
12712005-12-15  Olivier Hainque  <hainque@adacore.com>
1272
1273	* stor-layout.c (layout_type): Don't complain about a too small
1274	an array element type size compared to its alignment when the
1275	size overflows.
1276
12772005-12-15  Jan Hubicka  <jh@suse.cz>
1278
1279	PR target/24969
1280	* i386.c (classify_argument): Properly adjust offset of bitfield for
1281	substructures.
1282
12832005-12-15  Richard Sandiford  <richard@codesourcery.com>
1284
1285	* final.c (final_scan_insn): Flip in_cold_section_p when changing
1286	between the hot and cold sections.  Use current_function_section
1287	to get the new section.
1288	* dwarf2out.c (output_line_info): Use in_cold_section_p to
1289	determine whether we are assembling hot or cold code.
1290	(secname_for_decl, dwarf2out_var_location): Likewise.
1291	(dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1292	* varasm.c (last_text_section): Delete.
1293	(in_cold_section_p): New variable.
1294	(hot_function_section): New function.
1295	(current_function_section): Pass in_cold_section_p as the
1296	reloc argument to select_section.  Use it to decide between
1297	unlikely_function_section and hot_function_section.
1298	(assemble_start_function): Use switch_to_section.  Set
1299	in_cold_section_p instead of last_text_section.
1300	(assemble_end_function): Use switch_to_section.
1301	(switch_to_section): Don't set last_text_section.
1302	* config/darwin/darwin.c (machopic_select_section): Trust the reloc
1303	argument to make the right choice between hot and cold sections.
1304
13052005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1306
1307	Second part of MS1->MT renaming
1308	* config/mt/mt.md (doloop_end): Call mt_add_loop.
1309	(movqi, movhi): Call mt_set_memflags.
1310	(*movdf_internal): Call mt_split_words.
1311	(reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1312	mt_set_memflags.
1313	(cmpsi): Store to mt_compare_op[01].
1314	(beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1315	bungt, bunle, bunlt): Call mt_emit_cbranch.
1316	(prologue): Call mt_expand_prologue.
1317	(epilogu): Call mt_expend_epilogue.
1318	(eh_return): Call mt_expand_eh_return.
1319	(eh_epilogue): Call me_emit_eh_epilogue.
1320	(conditional_trap): Store to mt_compare_op[01].
1321	* config/mt/crti.asm: Adjust comment.
1322	* config/mt/crtn.asm: Adjust comment.
1323	* config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1324	(mt_compare_op0, mt_compare_op1): Renamed.
1325	(current_frame_info, zero_frame_info): Adjust type.
1326	(mt_ucmpsi3_libcall): Renamed.
1327	(mt_flag_delayed_branch): Renamed.
1328	(mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1329	(mt_nops_required, mt_nop_reasons): Renamed.
1330	(mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1331	mt_debug_stack, mt_print_operand_simple_address,
1332	mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1333	(mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1334	mt_function_arg_advance, mt_arg_partial_bytes,
1335	mt_pass_by_reference, mt_function_arg_boundary,
1336	mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1337	mt_legitimate_address_p): Renamed, adjusted.
1338	(mt_cpu): Renamed.
1339	(mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1340	mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1341	mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
1342	mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1343	mt_expand_eh_return, mt_emit_eh_prologue,
1344	mt_handl_interrupt_attribute): Renamed, adjusted.
1345	(mt_attribute_table): Renamed, adjusted.
1346	(mt_initial_elimination_offset, mt_generate_compare,
1347	mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1348	mt_secondary_reload_class, mt_function_value, mt_split_words,
1349	mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1350	mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1351	(mt_labels): Renamed.
1352	(mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1353	mt_machine_reorg): Renamed, adjusted.
1354	(mt_attribute_table: Renamed.
1355	(TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1356	TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1357	TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1358	* config/mt/mt.opt (march): Set mt_cpu_string.
1359	* config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1360	(TARGET_CPU_CPP_BUILTINS): Adjust.
1361	(TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1362	TARGET_MS2): Adjust.
1363	(TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1364	(MT_MIN_INT): Renamed.
1365	(RETURN_ADDR_RTX): Adjust.
1366	(struct mt_frame_info): Renamed.
1367	(current_frame_info): Adjust type.
1368	(INITIAL_ELIMINATION_OFFSET): Adjust.
1369	(MT_NUM_ARG_REGS): Renamed.
1370	(REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1371	FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1372	LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1373	GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1374	FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1375	(mt_compare_op0, mt_compare_op1): Renamed.
1376	* config/mt/mt-protos.h: Rename prototypes.
1377
13782005-12-15  Richard Guenther  <rguenther@suse.de>
1379
1380	* tree-flow.h (okay_component_ref_for_subvars): Remove.
1381	(get_ref_base_and_extent): Declare.
1382	* tree-dfa.c (okay_component_ref_for_subvars): Remove.
1383	(get_ref_base_and_extent): New function.
1384	* tree-ssa-alias.c (find_used_portions): Use it.
1385	* tree-ssa-structalias.c (get_constraint_for_component_ref):
1386	Likewise.
1387	* tree-ssa-operands.c (get_expr_operands): Likewise.
1388
13892005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1390
1391	* combine.c: Remove force_to_mode's fourth parameter.
1392	(force_to_mode): Do not handle REG.
1393	(canon_reg_for_combine): New.
1394	(make_field_assignment): Use it where the removed argument was non-NULL.
1395
13962005-12-15  Alan Modra  <amodra@bigpond.net.au>
1397
1398	PR target/25406
1399	* config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1400	error_mark_node.  Make alignment params unsigned.
1401	* config/rs6000/rs6000-protos.h
1402	(rs6000_special_round_type_align): Update prototype.
1403	(rs6000_machopic_legitimize_pic_address): Remove arg names.
1404
14052005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1406
1407	PR rtl-optimization/25310
1408	* reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1409	of the eliminable register when substituting into a PLUS.
1410
14112005-12-14  Jakub Jelinek  <jakub@redhat.com>
1412
1413	PR debug/25023
1414	* config/i386/i386.c (ix86_force_to_memory): Always use
1415	SImode push for HImode in -m32.
1416	(ix86_free_from_memory): Likewise.
1417
14182005-12-14  Richard Sandiford  <richard@codesourcery.com>
1419
1420	* config/arm/arm.md: Provide a big-endian version of the
1421	(zero_extend:SI (subreg:QI ...)) splitter.
1422
14232005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1424
1425	* struct-equiv.c (note_local_live): Handle hard regs with different
1426	hard_regno_nregs.
1427
14282005-12-14  Jeff Law  <law@redhat.com>
1429
1430	* tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1431	to a structure containing state rather than a pointer to bool.
1432	(case ARRAY_REF): New code to handle folding some array references.
1433	(case ADDR_EXPR): Note when we are processing expressions found
1434	within an ADDRE_EXPR.
1435	(fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1436	for state variables rather than just a pointer to a boolean.
1437	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1438	handling of constant string references.
1439
14402005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1441
1442	* config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1443	("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1444	("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1445	Move other tst* patterns to retain partial order.
1446
14472005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1448
1449	* config/s390/s390.md ("d0", "1"): New mode attributes.
1450	("<shift>di3", "<shift>si3"): Merge.
1451	("*<shift>di3_and", "*<shift>si3_and"): Merge.
1452	("ashrdi3", "ashrsi3"): Merge.
1453	("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1454	("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1455	("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1456	("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1457	("*ashrdi3", "*ashrsi3"): Merge.
1458	("*ashrdi3_and", "*ashrsi3_and"): Merge.
1459
14602005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1461
1462	* config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1463	("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1464	("*extendqidi2", "*extendqisi2") Merge.
1465	("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1466	("zero_extendhidi2", "zero_extendqidi2"): Merge.
1467	("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1468	Move some patterns to retain partial ordering.
1469
14702005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1471
1472	* config/s390/s390.md ("atype", "length"): Rewrite.
1473	("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1474
14752005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1476
1477	* tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1478
14792005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1480
1481	* struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1482	PARALLELs with a mode.
1483
14842005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1485
1486	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1487	cond_expr parameter.
1488
14892005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1490
1491	* loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1492
14932005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1494
1495	PR bootstrap/25397:
1496
1497	* struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1498	of STACK_REGS bits.
1499
1500	* struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1501
15022005-12-14  Jakub Jelinek  <jakub@redhat.com>
1503
1504	PR target/25254
1505	PR target/24188
1506	* config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1507	DECL_P, call get_section rather than get_named_section.  Supply
1508	section flags to it.
1509
15102005-12-14  Ben Elliston  <bje@au.ibm.com>
1511
1512	* c-common.c (c_common_truthvalue_conversion): Generalise warning
1513	for addresses converted to booleans; not just function addresses.
1514	* c-typeck.c (build_binary_op): Warn for address comparisons which
1515	can never be NULL (eg. func == NULL or &var == NULL).
1516	* common.opt (Walways-true): New option.
1517	* c-opts.c (c_common_handle_option): Set it with -Wall.
1518	* doc/invoke.texi: Document it.
1519
15202005-12-13  Paul Brook  <paul@codesourcery.com>
1521
1522	* config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1523	__floatunsidf, __floatunsisf, __floatunsixf): New functions.
1524
15252005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1526
1527	* config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1528	(EXTRA_MULTILIB_PARTS): Define.
1529
15302005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1531
1532	PR rtl-optimization/20070 / part1
1533	* flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1534	count_or_remove_death_notes with kill == -1.
1535	(mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1536	registers if PROP_POST_REGSTACK is set.
1537	(mark_used_reg): Likewise.
1538	(count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1539	REG_UNUSED notes for stack regs.
1540	* cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1541	to match rtx_equiv_p machinery.  Change caller.
1542	(outgoing_edges_match): Likewise.
1543	(try_crossjump_to_edge): Use struct_equiv_block_eq
1544	instead of flow_find_cross_jump.
1545	* basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1546	(STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1547	(STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1548	(STRUCT_EQUIV_MAX_LOCAL): Likewise.
1549	(struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1550	(insns_match_p): Update prototype.
1551	(flow_find_cross_jump): Remove prototype.
1552	(struct_equiv_block_eq, struct_equiv_init): Declare.
1553	(rtx_equiv_p, condjump_equiv_p): Likewise.
1554	* struct-equiv.c: Include reload.h.
1555	(IMPOSSIBLE_MOVE_FACTOR): Define.
1556	(assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1557	(struct_equiv_improve_checkpoint): Likewise.
1558	(struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1559	(set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1560	(struct_equiv_merge, find_dying_input): Likewise.
1561	(resolve_input_conflict, note_local_live): Likewise.
1562	(death_notes_match_p): Change parameters and processing
1563	to match rtx_equiv_p machinery.  Change caller.
1564	(insns_match_p): Likewise.
1565	(flow_find_cross_jump): Replace with:
1566	(struct_equiv_block_eq).
1567
1568	Back out this change:
1569	2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1570	  * recog.c (verify_changes): Make it static.
1571	  * recog.h: Remove the corresponding prototype.
1572
15732005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1574
1575	* rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1576	values.
1577
15782005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1579
1580	* config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1581	(MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1582	* config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1583	TARGET_MS1_64_001 appropriately.
1584	(ms1_machine_reorg): Use TARGET_MS2.
1585
15862005-12-13  Jakub Jelinek  <jakub@redhat.com>
1587
1588	PR debug/25023
1589	PR target/25293
1590	* expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1591	and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1592	Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1593	* config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1594	Set mode to SI, adjust constraints.
1595	(pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1596	* config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1597	32-bit code.
1598
15992005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1600
1601	* c-cppbuiltin.c (builtin_define_float_constants): Add
1602	fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1603	Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1604	(builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1605	(c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1606	to "((double)%sL)" otherwise "%s".
1607
16082005-12-13  Paul Brook  <paul@codesourcery.com>
1609
1610	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1611	apcs/atpcs.
1612
16132005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1614
1615	* tree-flow.h: Allow compilation with a C++ compiler.
1616	(struct edge_prediction): Prefix all field names  with "ep_".
1617	* predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1618	(tree_predict_edge, combine_predictions_for_bb): Likewise.
1619	(remove_predictions_associated_with_edge): Likewise.
1620
16212005-12-12  Jeff Law  <law@redhat.com>
1622
1623	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1624	reassociation code.
1625	* passes.c (init_optimization_passes): Run reassociation again
1626	after loop optimizations.
1627
16282005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1629
1630	* tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1631	if necessary.
1632	(optimize_stmt): Ditto.
1633	(canonicalize_comparison): New function.
1634	* tree-ssa-operands.c (swap_tree_operands): Make external.
1635	(get_expr_operands): Stop auto-canonicalization.
1636	* tree-ssa-reassoc.c: Rewrite.
1637	(init_optimization_passes):
1638	* tree-flow.h (swap_tree_operands): Prototype.
1639	* Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1640
16412005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1642
1643	* pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1644	indicate function epilogue has been output.
1645	(pa_asm_output_mi_thunk): Likewise.
1646	(output_deferred_plabels): Put plabels in readonly data section when
1647	not generating PIC code.
1648	(som_output_text_section_asm_op): Use .NSUBSPA to output debug
1649	information.  Add assert.
1650	(som_output_comdat_data_section_asm_op): New function.
1651	(pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1652	instead of output_section_asm_op for COMDAT sections.
1653
16542005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1655
1656	* cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1657	Fix whitespace in vincinity of to-be-installed changes.
1658	* struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1659	(insns_match_p): Likewise.
1660
16612005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1662
1663	* config.gcc (ms1): Replace with ...
1664	(mt): ... this.
1665	* config/ms1: Rename to ...
1666	* config/mt: ... here.  Rename ms1 files to mt.
1667	* config/mt/mt.c: Adjust gt-mt.h #include.
1668	* config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1669	(crti.o, crtn.o): Adjust file names.
1670
16712005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1672
1673	* varray.h: Allow compilation with a C++ compiler.
1674	(union varray_data_tag): Prefix all field names with "vdt_".
1675	(VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1676	VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1677	VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1678	VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1679	VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1680	VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1681	(VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1682	VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
1683	VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
1684	VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
1685	VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
1686	VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
1687	VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
1688	VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1689	(VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
1690	VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
1691	VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
1692	VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
1693	VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
1694	VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
1695	VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
1696	VARRAY_TOP_TREE_PTR): Likewise.
1697	* varray.c (varray_grow): Likewise.
1698	(varray_clear): Likewise.
1699
17002005-12-12  Alan Modra  <amodra@bigpond.net.au>
1701
1702	PR target/25299
1703	* config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1704	alignment to doubleword if the first field is a double array.
1705	* config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1706
17072005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1708
1709	* tree-ssa-structalias.c (process_constraint): Remove code to
1710	transform addressofs into scalar.
1711	(create_variable_info_for): In whole-program IPA, globals don't
1712	point to ANYTHING by default.
1713
17142005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1715
1716	* timevar.def (TV_IPA_PTA): New.
1717	* tree-pass.h (pass_ipa_pta): New
1718	* tree-ssa-structalias.c: Include cgraph.h
1719	(in_ipa_mode): New.
1720	(predbitmap_obstack): New.
1721	(EXECUTE_IF_IN_NONNULL_BITMAP): New.
1722	(struct constraint_stats): Add num_edges.
1723	(new_var_info): Don't call bitmap_clear.
1724	(struct constraint_edge): Update docs.
1725	(new_constraint_edge): Remove src param.
1726	(struct constraint_graph): Add zero_weight_succs,
1727	zero_weight_preds.  Update docs.
1728	(constraint_expr_equal): Reformat.
1729	(constraint_edge_equal): Update for removal of src.
1730	(constraint_edge_less): Ditto.
1731	(constraint_edge_vec_find): Ditto.
1732	(erase_graph_self_edge): Update for removal of src and and zero
1733	weight bitmap.
1734	(clear_edges_for_node): Ditto.
1735	(add_graph_edge): Ditto.
1736	(get_graph_weights): Ditto.
1737	(allocate_graph_weights): Ditto.
1738	(merge_graph_nodes): Ditto.
1739	(int_add_graph_edge): Ditto.
1740	(valid_graph_edge): Ditto.
1741	(valid_weighted_graph_edge): Ditto.
1742	(build_constraint_graph): Ditto.
1743	(scc_visit): Ditto.
1744	(collapse_nodes): Ditto.
1745	(process_unification_queue): Ditto.
1746	(topo_visit): Ditto.
1747	(solve_graph): Ditto.
1748	(do_structure_copy): Ditto.
1749	(perform_var_substitution): Ditto.
1750	Init and release obstack.
1751	(handle_ptr_arith): Try to resolve directly.
1752	(find_func_aliases): Don't call update_alias_info here
1753	Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1754	(do_sd_constraint): Add code for propagating faster.
1755	Update.
1756	(do_ds_constraint): Ditto.
1757	(count_num_arguments): New function.
1758	(create_function_info_for): Ditto.
1759	(create_variable_info_for): Handle FUNCTION_DECL.
1760	(intra_create_variable_infos): Use make_constraint_to_anything.
1761	(init_alias_vars): Init obstacks here.
1762	(need_to_solve): Handle zero weight graph changes.
1763	(compute_points_to_sets): Call update_alias_info here.
1764	(delete_points_to_sets): Free zero weight preds/succs here.
1765	(gate_ipa_pta): New.
1766	(ipa_pta_execute): New
1767
17682005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1769
1770	* tree-ssa-structalias.c (var_anyoffset): Removed.
1771	(anyoffset_tree): Ditto.
1772	(anyoffset_id): Ditto.
1773	(do_deref): Take vector of constraints, no return value.
1774	Update to work on vector.
1775	(get_constraint_for): Ditto.
1776	(get_constraint_for_component_ref): Ditto.
1777	(do_structure_copy): Ditto.
1778	(handle_ptr_arith): Ditto.
1779	(find_func_aliases): Ditto.
1780	(set_uids_in_ptset): Remove anyoffset handling.
1781	(init_base_vars): Ditto.
1782
17832005-12-10  Mark Mitchell  <mark@codesourcery.com>
1784
1785	PR c++/25010
1786	* ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1787	DECL_EXTERNAL functions have no bodies.  Tidy.
1788
17892005-12-10  Andreas Schwab  <schwab@suse.de>
1790
1791	* except.c (switch_to_exception_section): Only define if
1792	TARGET_UNWIND_INFO is not defined.
1793
17942005-12-10  Richard Sandiford  <richard@codesourcery.com>
1795
1796	* config/darwin.h (HAS_INIT_SECTION): Remove definition.
1797	(INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1798
17992005-12-10  Richard Sandiford  <richard@codesourcery.com>
1800
1801	* output.h (init_section, fini_section): Delete.
1802	* varasm.c (init_section, fini_section): Delete.
1803	(init_varasm_once): Don't initialize them.
1804	* doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1805	there are no corresponding varasm.c variables.
1806
18072005-12-10  Richard Sandiford  <richard@codesourcery.com>
1808
1809	* dwarf2out.c (default_eh_frame_section): Delete, moving handling
1810	of EH_FRAME_SECTION_NAME into...
1811	(switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1812	if it is still null.
1813	* except.c (default_exception_section): Delete, moving most
1814	of the code to...
1815	(switch_to_exception_section): ...this new function.  Set
1816	exception_section if it is still null, then switch to it.
1817	(output_function_exception_table): Use switch_to_exception_section.
1818	* varasm.c (exception_section, eh_frame_section): Update comments.
1819	(get_section): Hoist use of SECTION_NAMED.
1820	(init_varasm_once): Don't set exception_section and eh_frame_section.
1821	* output.h (default_exception_section): Delete.
1822	(default_eh_frame_section): Delete.
1823
18242005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1825
1826	* config/bfin/bfin.c: Include "cgraph.h".
1827	(bfin_load_pic_reg): Omit loading pic reg if in a local function.
1828	Return the reg that holds the pointer to the GOT.
1829	(bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1830	doing stack checking.
1831
18322005-12-09  Diego Novillo  <dnovillo@redhat.com>
1833
1834	* tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1835	recompute_tree_invarant_for_addr_expr.
1836	Update uses everywhere.
1837
18382005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1839
1840	* config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1841	(MULTILIB_DIRNAMES): Define.
1842
18432005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1844
1845	PR target/25311
1846	* config/s390/s390.c (struct s390_address): New field literal_pool.
1847	(s390_decompose_address): Compute literal_pool field.  Do not
1848	assume register %r13 is always (and solely) used as pool base.
1849	(s390_extra_constraint_str): Use literal_pool field.
1850
18512005-12-09  Thiemo Seufer  <ths@networkno.de>
1852
1853	* config/mips/mips.c (override_options): Don't allow too small
1854	integers in FP registers.
1855
18562005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1857
1858	* config/s390/s390.c (s390_function_ok_for_sibcall): Use
1859	targetm.binds_local_p to check for local function calls.
1860
18612005-12-09  Alan Modra  <amodra@bigpond.net.au>
1862
1863	PR debug/24908
1864	* dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1865	call_used_regs can't be used to save reg in another reg.
1866
18672005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1868	    Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1869
1870	* ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1871	abort.
1872	* except.c (output_ttype): Likewise.
1873	* tree-object-size.c (collect_object_sizes_for): Likewise.
1874	(check_for_plus_in_loops_1): Likewise.
1875	(check_for_plus_in_loops): Likewise.
1876	(compute_object_sizes): Use gcc_unreachable instead of abort.
1877
18782005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1879
1880	* config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1881	(loop_end, loop_init, doloop_end): New insns.
1882	* config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1883	(SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1884	(FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1885	(REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1886	* config/ms1/ms1.c: #include basic-block.h
1887	(struct machine_function): Add has_loops field.
1888	(ms1_add_loop): New.
1889	(MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1890	(struct loop_info, struct loop_work): New.
1891	(ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1892	(ms1_reorg_loops): New loop optimization.
1893	(ms1_machine_reorg): Call it.
1894	* config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1895
18962005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1897
1898	PR tree-optimization/25248
1899	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1900	evolution_of_loop from the failed attempt.  Remove handling
1901	of MULT_EXPR.
1902
19032005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1904
1905	* tree.h (DECL_EXTERNAL): Clarify documentation.
1906
19072005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1908	    Jakub Jelinek  <jakub@redhat.com>
1909
1910	PR target/25268
1911	* config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1912	argument.  Don't drop outer ANDs.
1913	(s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1914	* config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1915	prototype.
1916	* config/s390/predicates.md (setmem_operand): Remove.
1917	(shift_count_operand): Rename to...
1918	(shift_count_or_setmem_operand): ... this.  Adjust
1919	s390_decompose_shift_count caller.
1920	* config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1921	ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1922	ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1923	<shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1924	rotl<mode>3_and, setmem_long_and): New insns.
1925	(<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1926	ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1927	<shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1928	<shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1929	of shift_count_operand.
1930	(setmem_long): Use shift_count_or_setmem_operand instead of
1931	setmem_operand.
1932
19332005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>
1934	    Andreas Tobler  <a.tobler@schweiz.ch>
1935
1936	* Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1937	tr expression.
1938
19392005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1940
1941	* expr.c (force_operand): Use convert_to_mode for conversions.
1942
19432005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1944
1945	* reload.h (reg_equiv_invariant): Declare.
1946	* reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1947	register also when reg_equiv_invariant[R] is set.
1948
19492005-12-07  Richard Sandiford  <richard@codesourcery.com>
1950	    Andreas Tobler  <a.tobler@schweiz.ch>
1951
1952	* config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1953
19542005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1955
1956	* tree-ssa-pre.c (bitmap_set_and): New function.
1957	(bitmap_set_and_compl): New function.
1958	(bitmap_set_empty_p): New function.
1959	(insert_extra_phis): New function.
1960	(compute_avail): Use insert_extra_phis.
1961
19622005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1963
1964	* config/s390/s390.c (s390_expand_atomic): New function.
1965	Adjust comment of helper functions.
1966	* config/s390/s390-protos.h (s390_expand_atomic): Declare.
1967	* config/s390/s390.md ("ATOMIC"): New code macro.
1968	("atomic"): Corresponding new code attribute.
1969	("sync_lock_test_and_set[hq]i",
1970	"sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1971
19722005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1973
1974	* config/s390/s390.c (s390_expand_mask_and_shift,
1975	struct alignment_context, init_alignment_context,
1976	s390_expand_cs_hqi): New.
1977	* config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1978	* config/s390/s390.md ("sync_compare_and_swaphi",
1979	"sync_compare_and_swapqi"): New pattern.
1980
19812005-12-07  Daniel Berlin <dberlin@dberlin.org>
1982
1983	Fix PR tree-optimization/25291
1984	* tree-ssa-operands.c (add_call_clobber_ops): Remove
1985	redundant and crashing check.
1986
19872005-12-08  Alan Modra  <amodra@bigpond.net.au>
1988
1989	PR target/25212
1990	* config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1991	tests further when !strict && reload_in_progress.
1992	(print_operand): Check that both operands of indexed address are regs.
1993	(print_operand_address): Likewise.
1994	* config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1995	(INT_REG_OK_FOR_BASE_P): Correct.
1996
19972005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1998
1999	Preparation for PR rtl-optimization/20070 / part1
2000	* basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
2001	* cfgcleanup.c (condjump_equiv_p): New function, broken out of
2002	outgoing_edges_match.
2003	(outgoing_edges_match): Use condjump_equiv_p.
2004	(merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
2005	into..
2006	* struct-equiv.c: New file.
2007	(death_notes_match_p) New function, broken out of insns_match_p.
2008	* Makefile.in (OBJS-common): Add struct-equiv.o.
2009	(struct-equiv.o): New target.
2010
20112005-12-07  Richard Sandiford  <richard@codesourcery.com>
2012
2013	* coretypes.h: Revert previous change.
2014	* config/darwin.h: Revert previous reversion.
2015	* config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
2016
20172005-12-07  Richard Sandiford  <richard@codesourcery.com>
2018
2019	* coretypes.h (section): Provide dummy definition for target files.
2020	* config/darwin.h: Revert previous change.
2021
20222005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2023
2024	* doc/sourcebuild.texi (all.build, install-normal): Remove.
2025	* configure.ac: Remove all.build and install-normal from target_list
2026	* configure: Regenerate.
2027	* Makefile.in (install): Don't depend on install-normal.
2028
20292005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2030
2031	* Makefile.in: Document the use of stamps.
2032
20332005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2034
2035	* doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
2036	* Makefile.in: Add code to compute some dependencies on s-gtype
2037	automatically.  Remove the declaration of those dependencies.
2038
20392005-12-07  Richard Sandiford  <richard@codesourcery.com>
2040
2041	* reload.c (push_secondary_reload): Fix typo:
2042	s/insn_constraint/scratch_constraint/.
2043
20442005-12-07  Richard Sandiford  <richard@codesourcery.com>
2045
2046	* config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
2047
20482005-12-07  Richard Sandiford  <richard@codesourcery.com>
2049
2050	* config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
2051	(alpha_elf_select_rtx_section): Return the selected section rather
2052	than emitting assembly code.
2053	(alpha_write_linkage): Emit a ".link" directive directly and then
2054	set in_section to NULL.
2055	(vms_asm_out_constructor): Use switch_to_section.
2056	(vms_asm_out_destructor): Likewise.
2057	(unicosmk_output_common): Set in_section to NULL instead of calling
2058	the dummy common_section function.
2059	(unicosmk_text_section): Delete in favor of...
2060	(unicosmk_output_text_section_asm_op): ...this new function.
2061	(unicosmk_data_section): Delete in favor of...
2062	(unicosmk_output_data_section_asm_op): ...this new function.
2063	(unicosmk_init_sections): New function.
2064	(unicosmk_output_deferred_case_vectors): Use switch_to_section.
2065	(unicosmk_output_ssib): Set in_section to NULL instead of calling
2066	the dummy ssib_section function.
2067	(unicosmk_section_buf): Delete.
2068	* config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
2069	(unicosmk_data_section): Delete.
2070	* config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2071	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
2072	(SECTION_FUNCTION_TEMPLATE): Delete.
2073	* config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
2074	(READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2075	(common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
2076	(ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2077	(TARGET_ASM_INIT_SECTIONS): Define.
2078	* config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
2079	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2080	(link_section, literals_section): Delete.
2081	(ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
2082	set in_section to NULL.
2083
2084	* config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
2085	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
2086	(COMMON_SECTION): Delete.
2087	(TARGET_ASM_INIT_SECTIONS): Define.
2088	(ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
2089	the dummy common_section function.
2090	* config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2091	* config/arm/arm.c (get_jump_table_size): Use pointer comparison
2092	between readonly_data_section and text_section to check whether
2093	read-only data is being put in the text section.
2094	(arm_output_function_epilogue): Use switch_to_section.
2095	(arm_elf_asm_constructor): Likewise.
2096	(thumb_call_via_reg): Replace call to in_text_section with
2097	a comparison between in_section and text_section.
2098	(arm_file_end): Use switch_to_section.
2099	(aof_text_section): Delete in favor of...
2100	(aof_output_text_section_asm_op): ...this new function.
2101	(aof_data_section): Delete in favor of...
2102	(aof_output_data_section_asm_op): ...this new function.
2103	(aof_asm_init_sections): New function.
2104	(zero_init_section): Moved from config/arm/aof.h.
2105	(aof_dump_imports, aof_file_start): Use switch_to_section.
2106	* config/arm/arm.h (thumb_call_via_label): Update comment.
2107	* config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
2108	(common_section): Delete.
2109	* config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2110	(ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2111	global switch_to_section function instead of the old port-local one.
2112	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
2113	(SWITCH_TO_SECTION_FUNCTION): Delete.
2114	(drectve_section): Redefine as a macro.
2115	* config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
2116	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
2117	switch_to_section.
2118
2119	* config/avr/avr.c (progmem_section): New variable.
2120	(avr_output_progmem_section_asm_op): New function.
2121	(avr_asm_init_sections): New function.
2122	(avr_output_addr_vec_elt): Use switch_to_section.
2123	* config/avr/avr.h (progmem_section): Declare.
2124	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2125	(READONLY_DATA_SECTION): Delete.
2126	(TARGET_ASM_INIT_SECTIONS): Define.
2127	(ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2128	* config/avr/avr-protos.h (progmem_section): Delete.
2129
2130	* config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2131
2132	* config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2133	(INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
2134
2135	* config/darwin-sections.def: New file.
2136	* config/darwin.c: Define all sections in darwin-sections.def.
2137	(output_objc_section_asm_op, darwin_init_sections): New functions.
2138	(machopic_output_indirection): Use switch_to_section.
2139	(machopic_select_section): Return the selected section rather than
2140	emitting assembly code.  Replace the static function table with
2141	inline conditional expressions.  Update the tests of last_text_section
2142	and move them into the FUNCTION_DECL block.
2143	(machopic_select_rtx_section): Return the selected section rather than
2144	emitting assembly code.
2145	(machopic_asm_out_constructor, machopic_asm_out_destructor)
2146	(darwin_file_end): Use switch_to_section.
2147	* config/darwin.h: Use darwin-sections.def to declare sections.
2148	(INIT_SECTION_ASM_OP): Remove empty definition.
2149	(HAS_INIT_SECTION): Define this instead.
2150	(SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2151	(READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2152	(TARGET_ASM_EH_FRAME_SECTION): Delete.
2153	(TARGET_ASM_INIT_SECTIONS): Define.
2154	* config/darwin-protos.h (darwin_init_sections): Declare.
2155	(machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
2156	(machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
2157	(machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2158	(constructor_section, destructor_section, mod_init_section): Delete.
2159	(mod_term_section): Delete.
2160	(darwin_exception_section, darwin_eh_frame_section): Delete.
2161	(machopic_select_section): Return a section.
2162	(machopic_select_rtx_section): Likewise.
2163	(text_coal_section, text_unlikely_section, text_unlikely_coal_section)
2164	(const_section, const_coal_section, const_data_section): Delete.
2165	(const_data_coal_section, data_coal_section, cstring_section): Delete.
2166	(literal4_section, literal8_section, constructor_section): Delete.
2167	(mod_init_section, mod_term_section, destructor_section): Delete.
2168	(objc_class_section, objc_meta_class_section, objc_category_section)
2169	(objc_class_vars_section, objc_instance_vars_section): Delete.
2170	(objc_cls_meth_section, objc_inst_meth_section): Delete.
2171	(objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
2172	(objc_selector_refs_section, objc_selector_fixup_section): Delete.
2173	(objc_symbols_section, objc_module_info_section): Delete.
2174	(objc_image_info_section, objc_protocol_section): Delete.
2175	(objc_string_object_section, objc_constant_string_object_section)
2176	(objc_class_names_section, objc_meth_var_names_section): Delete.
2177	(objc_meth_var_types_section, objc_cls_refs_section): Delete.
2178	(machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2179	(machopic_symbol_stub_section, machopic_picsymbol_stub_section)
2180	(darwin_exception_section, darwin_eh_frame_section): Delete.
2181	* config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
2182
2183	* config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
2184	(frv_asm_out_destructor): Likewise.
2185	* config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2186	(SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
2187	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
2188	get_named_section.
2189	(ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2190	* config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
2191	(data_section): Delete.
2192
2193	* config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2194	(DRECTVE_SECTION_FUNCTION): Delete.
2195	(drectve_section): Redefine as a macro that sets in_section after
2196	emitting the directive.
2197	(SWITCH_TO_SECTION_FUNCTION): Delete.
2198	* config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
2199	in_text_section with comparison between in_section and text_section.
2200	* config/i386/i386.c (x86_64_elf_select_section): Return the section
2201	rather than emitting assembly code.  Use get_named_section.
2202	(x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2203	get_named_section.
2204	(machopic_output_stub): Use switch_to_section.
2205	* config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2206	(nwld_named_section_asm_out_destructor): Use get_section and
2207	switch_to_section.
2208
2209	* config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2210	rather than emitting assembly code.
2211	(ia64_rwreloc_select_section): Likewise.
2212	(ia64_rwreloc_select_rtx_section): Likewise.
2213	* config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2214	* config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2215	switch_to_section.
2216	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2217	(SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2218
2219	* config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2220	section rather than emitting assembly code.
2221	(iq2000_select_section): Likewise.
2222	* config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2223	(sbss_section): Delete.
2224
2225	* config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2226	and get_named_section.
2227	* config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2228
2229	* config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2230	(SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2231	(EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2232	(MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2233	in_section to NULL.
2234	(ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2235	(ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2236	global switch_to_section function instead of the old port-local one.
2237	* config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2238	(SWITCH_SECTION_FUNCTION): Delete.
2239	* config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2240	(DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2241	(SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2242	(MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2243	in_section to NULL.
2244	(ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2245	global switch_to_section function instead of the old port-local one.
2246	(ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2247
2248	* config/mips/mips.c (mips_file_start): Update comment.
2249	(mips_output_aligned_bss): Use switch_to_section and get_named_section.
2250	(mips_output_aligned_decl_common): Use switch_to_section.
2251	(mips_select_rtx_section): Return the section rather than emitting
2252	assembly code.  Use get_named_section.
2253	(mips_function_rodata_section: Likewise get_section.
2254	(build_mips16_function_stub): Use switch_to_section.
2255	* config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2256	(SDATA_SECTION_ASM_OP): Delete.
2257	* config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2258	(EXTRA_SECTION_FUNCTIONS): Delete.
2259
2260	* config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2261	(mmix_asm_output_aligned_local): Use switch_to_section.
2262
2263	* config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2264	(som_one_only_readonly_data_section): New variables.
2265	(pa_output_function_epilogue): Set in_section to NULL instead of
2266	calling forget_section.
2267	(output_deferred_plabels): Use select_section.
2268	(pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2269	of calling forget_section.
2270	(pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2271	(pa_asm_output_aligned_local): Use select_section.
2272	(som_text_section_asm_op): Delete in favor of...
2273	(som_output_text_section_asm_op): ...this new function.
2274	(pa_som_asm_init_sections): New function.
2275	(pa_select_section): Return the section rather than emitting
2276	assembly code.
2277	* config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2278	(SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2279	(SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2280	(SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2281	* config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2282	(som_readonly_data_section, som_one_only_readonly_data_section)
2283	(som_one_only_data_section, forget_section): Delete.
2284	* config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2285	(TARGET_ASM_INIT_SECTIONS): Define.
2286	(READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2287
2288	* config/rs6000/rs6000.c (read_only_data_section): New variable.
2289	(private_data_section, read_only_private_data_section): New variables.
2290	(sdata2_section, toc_section): New variables.
2291	(rs6000_file_start): Use switch_to_section.
2292	(rs6000_assemble_integer): Use comparisons against in_section
2293	instead of calling in_toc_section and in_text_section.  Use
2294	unlikely_text_section_p.
2295	(rs6000_elf_output_toc_section_asm_op): New function, derived
2296	from the old rs6000/sysv4.h toc_section function.
2297	(rs6000_elf_asm_init_sections): New function.
2298	(rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2299	the section rather than emitting assembly code.
2300	(machopic_output_stub): Use switch_to_section.
2301	(toc_section): Delete dummy function.
2302	(rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2303	switch_to_section and get_section.
2304	(rs6000_xcoff_output_readonly_section_asm_op): New function.
2305	(rs6000_xcoff_output_readwrite_section_asm_op): New function.
2306	(rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2307	the old rs6000/xcoff.h toc_section function.
2308	(rs6000_xcoff_asm_init_sections): New function.
2309	(rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2310	the section rather than emitting assembly code.
2311	(rs6000_xcoff_file_start): Use switch_to_section.
2312	(rs6000_xcoff_file_end): Likewise.
2313	* config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2314	(sdata2_section, sbss_section, private_data_section): Delete.
2315	(read_only_data_section, read_only_private_data_section): Delete.
2316	* config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2317	(TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2318	(SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2319	(FINI_SECTION_FUNCTION): Delete.
2320	(TARGET_ASM_INIT_SECTIONS): Define.
2321	(ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2322	* config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2323	(READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2324	(READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2325	(READONLY_DATA_SECTION): Delete.
2326	(TARGET_ASM_INIT_SECTIONS): Define.
2327	(ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2328	to NULL rather than no_section.
2329	(TARGET_ASM_EXCEPTION_SECTION): Delete.
2330
2331	* config/sh/sh.c (sh_file_start): Use switch_to_section.
2332
2333	* config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2334	(sparc_output_deferred_case_vectors): Likewise.  Remove argument
2335	from call to current_function_section.
2336
2337	* config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2338	(bss100_section): New variable.
2339	(xstormy16_asm_output_aligned_common): Use switch_to_section.
2340	(xstormy16_asm_init_sections): New function.
2341	(xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2342	switch_to_section and get_section.
2343	(xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2344	from calls to current_function_section.
2345	* config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2346	(XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2347	(TARGET_ASM_INIT_SECTIONS): Define.
2348	* config/stormy16/stormy16-protos.h (bss100_section): Delete.
2349
2350	* config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2351	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2352	(FINI_SECTION_FUNCTION): Delete.
2353
2354	* config/v850/v850.c: Include gt-v850.h.
2355	(rosdata_section, rozdata_section, tdata_section, zdata_section)
2356	(zbss_section): New variables.
2357	(v850_output_aligned_bss): Use switch_to_section.
2358	(v850_asm_init_sections): New function.
2359	(v850_select_section): Return the section rather than emitting
2360	assembly code.
2361	* config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2362	(ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2363	(ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2364	(TARGET_ASM_INIT_SECTIONS): Define.
2365	* config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2366	(sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2367	(zbss_section): Delete.
2368
2369	* config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2370
2371	* config/vx-common.h (vxworks_exception_section): Delete.
2372	(TARGET_ASM_EXCEPTION_SECTION): Delete.
2373
2374	* config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2375	section rather than emitting assembly code.
2376	* config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2377	switch_to_section.
2378
2379	* Makefile.in (GTFILES): Add $(srcdir)/output.h.
2380	* coretypes.h (section): New union and typedef.
2381	* dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2382	from call to current_function_section.
2383	(dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2384	(dbxout_symbol_location): Use switch_to_section.
2385	* dwarf2out.c (named_section_eh_frame_section): Delete, moving
2386	most of the code into...
2387	(default_eh_frame_section): ...here.  Return a section.
2388	(collect2_eh_frame_section): Delete, moving most of the code into..
2389	(switch_to_eh_frame_section): ...this new function.
2390	(debug_info_section, debug_abbrev_section, debug_aranges_section)
2391	(debug_macinfo_section, debug_line_section, debug_loc_section)
2392	(debug_pubnames_section, debug_str_section, debug_ranges_section): New
2393	variables.
2394	(output_call_frame_info): Call switch_to_eh_frame_section instead of
2395	eh_frame_section.  Use switch_to_section and get_section.
2396	(dwarf2out_begin_prologue): Use switch_to_section.
2397	(AT_string_form): Check the flags in debug_str_section instead of
2398	DEBUG_STR_SECTION_FLAGS.
2399	(output_comp_unit): Use switch_to_section, get_section, and
2400	debug_info_section.
2401	(output_line_info, secname_for_decl): Use unlikely_text_section_p.
2402	(dwarf2out_begin_block): Use switch_to_section.  Remove argument
2403	from call to current_function_section.
2404	(dwarf2out_var_location): Use unlikely_text_section_p.
2405	(dwarf2out_source_line): Use switch_to_section.  Remove argument
2406	from call to current_function_section.
2407	(dwarf2out_start_source_file, dwarf2out_end_source_file)
2408	(dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2409	debug_macinfo_section.
2410	(dwarf2out_init): Initialize the new section variables.  Use them
2411	instead of calls to named_section_flags.  Use switch_to_section.
2412	(output_indirect_string): Use switch_to_section and debug_str_section.
2413	(dwarf2out_finish): Use switch_to_section and the new section
2414	variables.
2415	* except.c (default_exception_section): Return the section instead
2416	of emitting assembly code.
2417	(output_function_exception_table): Use the global exception_section
2418	variable instead of the target hook.  Use switch_to_section.  Remove
2419	argument from call to current_function_section.
2420	* final.c (HAVE_READONLY_DATA_SECTION): Delete.
2421	(shorten_branches): Use pointer comparisons to detect whether the
2422	text section is the same as readonly_data_section.
2423	(profile_function): Use switch_to_section.  Remove argument from
2424	call to current_function_section.
2425	(final_scan_insn): Likewise.  Update use of last_text_section.
2426	* gengtype.c (open_base_files): Add an include of output.h.
2427	* output.h (text_section, data_section, readonly_data_section)
2428	(ctors_section, dtors_section, bss_section, init_section)
2429	(fini_section, sdata_section): Turn into section pointers.
2430	(in_text_section, in_unlikely_text_section, exports_section)
2431	(drectve_section, named_section, mergeable_string_section)
2432	(last_text_section_name): Delete.
2433	(default_exception_section, default_eh_frame_section): Return sections.
2434	(SECTION_DECLARED, SECTION_NAMED): New macros.
2435	(SECTION_MACH_DEP): Bump value.
2436	(section_common, named_section, unnamed_section): New structures.
2437	(unnamed_section_callback): New typedef.
2438	(section): New union.
2439	(sbss_section, exception_section, eh_frame_section): New variables.
2440	(in_section, last_text_section): Turn into section pointers.
2441	(get_unnamed_section, get_section, get_named_section): New functions.
2442	(mergeable_constant_section, function_section): Return a section.
2443	(unlikely_text_section): Likewise.
2444	(current_function_section): Likewise.  Remove the decl argument.
2445	(unlikely_text_section_p, switch_to_section): New functions.
2446	(output_section_asm_op): New function.
2447	(set_named_section_flags, named_section_flags, named_section_real)
2448	(named_section_first_declaration): Delete.
2449	(default_select_section, default_elf_select_section): Return a section.
2450	(default_elf_select_section_1, default_function_rodata_section)
2451	(default_no_function_rodata_section, default_select_rtx_section)
2452	(default_elf_select_rtx_section): Likewise.
2453	* rtl.h (in_data_section): Delete.
2454	* sdbout.c (sdbout_one_type): Use switch_to_section.
2455	* system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2456	(READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2457	(TARGET_ASM_EH_FRAME_SECTION): Poison.
2458	* target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2459	(TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2460	(TARGET_ASM_OUT): Update after above changes.
2461	* target.h (init_sections): New hook.
2462	(exception_section, eh_frame_section): Delete.
2463	(select_section, select_rtx_section, function_rodata_section): Return
2464	a section rather than emitting assembly code.
2465	* varasm.c (text_section, data_section, readonly_data_section)
2466	(ctors_section, dtors_section, bss_section, init_section)
2467	(fini_section): Turn into section pointers.
2468	(sdata_section, sbss_section, exception_section): New variables.
2469	(eh_frame_section): New variable.
2470	(in_section): Make global and turn into a section pointer.
2471	(last_text_section): Turn into a section pointer.
2472	(unnamed_sections): New variable.
2473	(in_named_name, last_text_section_name): Delete.
2474	(EXTRA_SECTION_FUNCTIONS): Delete.
2475	(in_named_entry): Delete.
2476	(section_htab): New variable, replacing...
2477	(in_named_htab): ...this deleted variable.
2478	(section_entry_eq, section_entry_hash): New functions, based on...
2479	(in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2480	(get_unnamed_section, get_section): New functions.
2481	(unlikely_text_section): Return a section instead of emitting
2482	assembly code.
2483	(in_text_section, in_unlikely_text_section, in_data_section): Delete.
2484	(get_named_section_flags, named_section_first_declaration): Delete.
2485	(unlikely_text_section_p): New function.
2486	(named_section_real, named_section): Delete.
2487	(get_named_section): New function.
2488	(asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2489	(function_section): Return a section rather than emitting
2490	assembly code.
2491	(current_function_section): Likewise.  Remove argument.  Use
2492	last_text_section if nonnull, otherwise use function_section.
2493	(default_function_rodata_section): Return a section rather than
2494	emitting assembly code.  Use get_section.
2495	(default_no_function_rodata_section): Return a section rather than
2496	emitting assembly code.
2497	(variable_section): Use switch_to_section and get_named_section.
2498	(mergeable_string_section): Return a section rather than emitting
2499	assembly code.  Use get_section.  Make static.  Don't take special
2500	countermeasures for empty strings.
2501	(mergeable_constant_section): Return a section rather than emitting
2502	assembly code.  Use get_section.
2503	(default_named_section_asm_out_destructor): Use switch_to_section
2504	and get_section.
2505	(default_dtor_section_asm_out_destructor): Use switch_to_section.
2506	(default_named_section_asm_out_constructor): Use switch_to_section
2507	and get_section.
2508	(default_ctor_section_asm_out_constructor): Use switch_to_section.
2509	(assemble_start_function): Likewise.  Set last_text_section to
2510	NULL rather than no_section.  Change the type of save_section.
2511	(assemble_zeros, assemble_variable): Use the section flags to detect
2512	whether or not a section is text.
2513	(assemble_static_space): Use switch_to_section.
2514	(assemble_trampoline_template): Likewise.
2515	(output_constant_def_contents): Use switch_to_section and
2516	get_named_section.
2517	(output_constant_pool_1): Use switch_to_section.  Use the section
2518	flags to see whether sections contain mergeable data.
2519	(init_varasm_once): Initialize section_htab instead of in_named_htab.
2520	Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2521	(default_elf_asm_named_section): Use SECTION_DECLARED to detect
2522	whether a section has already been declared.
2523	(default_select_section, default_elf_select_section): Return a
2524	section rather than emitting assembly code.
2525	(default_elf_select_section_1): Likewise.  Use bss_section for
2526	SECCAT_BSS if nonnull.  Use get_named_section.
2527	(default_select_rtx_section): Return a section rather than
2528	emitting assembly code.
2529	(default_elf_select_rtx_section): Likewise.  Use get_named_section.
2530	(file_end_indicate_exec_stack): Use switch_to_section and get_section.
2531	(output_section_asm_op, switch_to_section): New functions.
2532	* vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2533	get_named_section.
2534
2535	* doc/tm.texi: Expand the introduction to the sections documentation.
2536	(TRAMPOLINE_SECTION): Document new interface.
2537	(SDATA_SECTION_ASM_OP): Document new macro.
2538	(READONLY_DATA_SECTION): Delete.
2539	(SDATA_SECTION_ASM_OP): Document new macro.
2540	(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2541	(TARGET_ASM_INIT_SECTIONS): Document new hook.
2542	(TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2543	(TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2544	(TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2545
25462005-12-07  Alan Modra  <amodra@bigpond.net.au>
2547
2548	* gcc.c (init_gcc_specs): Match braces inside conditionally
2549	compiled strings.
2550
25512005-12-06  Geoffrey Keating  <geoffk@apple.com>
2552
2553	* config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2554
25552005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2556
2557	PR C++/24138
2558	* tree.c (integer_all_onesp): Always return true if all bits on.
2559
2560	* testsuite/g++.dg/init/array0.C: New.
2561
25622005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2563
2564	* doc/md.texi: Adapt to implementation.
2565
25662005-12-06  Andreas Schwab  <schwab@suse.de>
2567
2568	* opts.c (decode_options): Fix typo in message.
2569
25702005-12-06  Alan Modra  <amodra@bigpond.net.au>
2571
2572	PR other/13873
2573	* longlong.h: Merge PPC tests from upstream.
2574
25752005-12-06  Richard Guenther  <rguenther@suse.de>
2576
2577	* fold-const.c (fold_convert): Do not build and fold
2578	CONVERT_EXPR, but always use NOP_EXPR.
2579
25802005-12-06  Jan Beulich  <jbeulich@novell.com>
2581
2582	* config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2583	__builtin_ia32_paddq and __builtin_ia32_psubq.
2584	(ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2585	__builtin_ia32_pshufw.
2586	* config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2587
25882005-12-05  James E Wilson  <wilson@specifix.com>
2589
2590	PR target/24934
2591	* opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2592	is set.
2593
25942005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2595
2596	* print-tree.c (print_node): Ditto.
2597	* tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2598	* tree-dump.c (dequeue_and_dump): Check for decl_common structure
2599	before accessing DECL_ARTIFICIAL.
2600	Handle new tag tree codes.
2601	* tree-flow-inline.h (clear_call_clobbered): Update for tag
2602	changes.
2603	(unmodifiable_var_p): Ditto.
2604	* tree-flow.h (mem_tag_kind): Remove.
2605	(struct var_ann_d): Remove mem_tag_kind member.
2606	* tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2607	* tree-pretty-print.c (dump_generic_node): Handle memory tags.
2608	* tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2609	(group_aliases): Ditto.
2610	(setup_pointers_and_addressables): Ditto.
2611	(is_escape_site): Ditto.
2612	(may_alias_p): Ditto.
2613	(create_tag_raw): New function.
2614	(create_memory_tag): Use it.
2615	(dump_alias_info): Update for tags.
2616	(may_be_aliased): Ditto.
2617	(add_type_alias): Ditto.
2618	(new_type_alias): Ditto.
2619	(create_sft): Ditto.
2620	(create_structure_vars): Ditto.
2621	* tree-ssa-ccp.c (get_default_value): Ditto.
2622	* tree-ssa-operands.c (get_expr_operands): Ditto.
2623	(add_stmt_operand): Ditto.
2624	(add_call_clobber_ops): Remove duplicated condition.
2625	* tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2626	tags.
2627	* tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2628	* tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2629	* tree.c (init_ttree): Update structures for new tree codes.
2630	(tree_code_size): Update sizes for new tree codes.
2631	(make_node_stat): Don't try to set common things on minimal
2632	structures.
2633	(tree_node_structure): Update for tags.
2634	(is_global_var): Ditto.
2635	* tree.def: Add new tree codes.
2636	* tree.h (MTAG_P): New macro.
2637	(TREE_MEMORY_TAG_CHECK): Ditto.
2638	(SSA_VAR_P): Update for tags.
2639	(struct tree_memory_tag): New structure.
2640	(MTAG_GLOBAL): New macro.
2641	(union tree_node): Add memory tag member.
2642	* treestruct.def (TS_MEMORY_TAG): New.
2643
26442005-12-05  Dale Johannesen  <dalej@apple.com>
2645
2646	* config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
2647	what was approved (PR 24323).
2648
26492005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2650
2651	* doc/c-tree.texi (Function Bodies): Remove description of
2652	RETURN_INIT.
2653
26542005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2655
2656	* doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2657	__floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2658	__floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2659	__floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2660	__muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2661	__divxc3): Document.
2662
26632005-12-05  Geoffrey Keating  <geoffk@apple.com>
2664
2665	* config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2666	previous behaviour.
2667	* config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2668	hook_bool_void_false.
2669	(TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2670	* config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2671
2672	* config/darwin.c (machopic_select_section): It's not defined
2673	as weak if it's only marked as weak_import.
2674
2675	* config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2676	Prototype.
2677
2678	* varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2679	A hidden weak object does bind locally.  Strong linkonce data
2680	counts like any other strong symbol for binding.
2681	(weak_finish_1): Don't specially handle weakrefs, they no longer
2682	arrive here.
2683	(assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2684	* c-common.c (handle_alias_attribute): Allow static aliases
2685	of variables.
2686	(handle_weakref_attribute): Don't call declare_weak on weakrefs.
2687	* gthr-dce.h: Make weakrefs static.
2688	* gthr-tpf.h: Likewise.
2689	* gthr-solaris.h: Likewise.
2690	* gthr-posix.h: Likewise.
2691	* gthr-posix95.h: Likewise.
2692	* config/darwin.c (darwin_encode_section_info): static weakref
2693	variables are not necessarily defined in this translation unit.
2694	* doc/extend.texi (Function Attributes): Mention that an alias
2695	attribute creates a definition for the thing it's attached to.
2696	Change the documentation for weakref to say that the thing
2697	it's attached to must be static.
2698
2699	* config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2700	we don't go into an infinite loop.
2701
27022005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2703
2704	* config/rs6000/predicates.md (logical_const_operand): Split
2705	out of logical_operand.
2706	(logical_operand): Use it.
2707	* config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2708	logical_const_operand.
2709
27102005-12-05  Jan Beulich  <jbeulich@novell.com>
2711
2712	* config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2713	and IX86_BUILTIN_CMPNESS.
2714	(ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2715	* config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2716	* config/i386/i386.md (movti_internal): Correct type attribute.
2717	Simplify mode attribute.
2718	(movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2719	Correct type attribute.
2720	(absxf2): Correct operator.
2721	* config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2722	movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2723	* config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2724	mode attribute.
2725	(sse2_vmsqrtv2df2): Correct mode attribute.
2726
27272005-12-05  Jan Beulich  <jbeulich@novell.com>
2728
2729	* config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2730	16 bits. Provide insn pattern for this case.
2731
27322005-12-05  Jan Beulich  <jbeulich@novell.com>
2733
2734	* libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2735	result.
2736	(__popcountDI2): Likewise.
2737
27382005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2739
2740	PR target/25166
2741	* pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2742	_U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2743	* pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2744	functions.
2745
27462005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2747
2748	* c-typeck.c (null_pointer_constant_p): New function.
2749	(build_conditional_expr, build_c_cast, convert_for_assignment,
2750	build_binary_op): Use it.
2751
27522005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2753
2754	* c-common.c (binary_op_error): Do not allow NOP_EXPR.
2755	(c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2756	CONVERT_EXPR.
2757	(check_function_arguments_recurse): Allow both NOP_EXPR and
2758	CONVERT_EXPR but check conversions preserve precision.
2759	* c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2760	but check conversions preserve precision.
2761	(build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2762	default case.
2763
27642005-12-04  Roger Sayle  <roger@eyesopen.com>
2765
2766	PR c/7776
2767	* common.opt (Wstring-literal-comparison): New command line option.
2768	* c-opts.c (c_common_handle_option): Set it with -Wall.
2769	* c-typeck.c (parser_build_binary_op): Issue warning if either
2770	operand of a comparison operator is a string literal, except for
2771	testing equality or inequality against NULL.
2772
2773	* doc/invoke.texi: Document new -Wstring-literal-comparison option.
2774
27752005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2776
2777	* c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2778	of building a NOP_EXPR.
2779	(c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2780	NOP_EXPR.
2781	* c-convert.c (convert): Use fold_convert instead of building
2782	NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2783	c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2784	#if 0 code.
2785	* c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2786	NOP_EXPR the same as CONVERT_EXPR.
2787	* c-typeck.c (build_function_call): Use fold_convert instead of
2788	building a NOP_EXPR directly.
2789	(build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2790
27912005-12-03  Alan Modra  <amodra@bigpond.net.au>
2792
2793	PR rtl-optimization/25197
2794	* dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2795	have a reg.
2796
27972005-12-02  Stuart Hastings  <stuart@apple.com>
2798
2799	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2800	warning.
2801
28022005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2803
2804	* c-typeck.c (default_function_array_conversion,
2805	build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2806	(build_conditional_expr): Apply integer_zerop to orig_op1 and
2807	orig_op2.  Don't check them for NOP_EXPR.
2808	(build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2809	around integer zero.
2810
28112005-12-03  Alan Modra  <amodra@bigpond.net.au>
2812
2813	* config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2814	toc_save_offset, toc_size, lr_size.
2815	(rs6000_stack_info): Use memset rather than bss struct copy to init.
2816	Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2817	Adjust for removal of unused rs6000_stack_t fields.
2818	(debug_stack_info): Adjust.
2819	(rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2820	first, and don't bother checking for set/inc of lr on sibcalls.
2821	(rs6000_emit_epilogue): Tidy code restoring stack pointer.
2822
28232005-12-02  Jakub Jelinek  <jakub@redhat.com>
2824
2825	PR target/25199
2826	* config/i386/i386.md (movqi_1): Only force imovx for alternative
2827	5 if operand 1 is not aligned.  Undo previous constraint change.
2828	* config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2829
28302005-12-02  Richard Guenther  <rguenther@suse.de>
2831
2832	* tree.h (build): Remove prototype.
2833	(build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2834	* tree.c (build): Remove.
2835	(build0_stat): Update comment.
2836
28372005-12-02  Richard Guenther  <rguenther@suse.de>
2838
2839	* tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2840	* tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2841	Likewise.
2842	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2843	maybe_fold_offset_to_component_ref): Likewise.
2844	* tree-ssa-dom.c (thread_across_edge,
2845	simplify_rhs_and_lookup_avail_expr,
2846	find_equivalent_equality_comparison, record_equivalences_from_stmt):
2847	Likewise.
2848	* gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2849	* tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2850	lower_try_finally_switch): Likewise.
2851	* tree-if-conv.c (add_to_dst_predicate_list,
2852	replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2853	* gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2854	voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2855	gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2856	gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2857	shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2858	gimplify_init_ctor_eval, gimplify_init_constructor,
2859	gimplify_variable_sized_compare, gimplify_boolean_expr,
2860	gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2861	gimplify_expr, gimplify_body, gimplify_function_tree,
2862	force_gimple_operand): Likewise.
2863	* tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2864	* tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2865	mx_register_decls): Likewise.
2866	* tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2867	get_frame_field, finalize_nesting_tree_1): Likewise.
2868	* tree-inline.c (setup_one_parameter): Likewise.
2869	* tree-vect-transform.c (vectorizable_condition): Likewise.
2870	* tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2871	Likewise.
2872	* tree-profile.c (tree_gen_edge_profiler): Likewise.
2873	* tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2874	* c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2875	* tree-chrec.h (build_polynomial_chrec): Likewise.
2876
28772005-12-02  Richard Guenther  <rguenther@suse.de>
2878
2879	* config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2880	alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2881	* config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2882	* config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2883	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2884	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2885	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2886	Likewise.
2887	* config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2888	sh_adjust_unroll_max): Likewise.
2889	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2890	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2891	* config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2892	Likewise.
2893	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2894	Likewise.
2895	* config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2896	Likewise.
2897
28982005-12-02  Richard Guenther  <rguenther@suse.de>
2899
2900	* tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2901	simplify_cond_using_ranges): Use buildN instead of build.
2902	* tree-tailcall.c (adjust_accumulator_values,
2903	adjust_return_value): Likewise.
2904	* tree-sra.c (generate_one_element_ref, generate_copy_inout,
2905	generate_element_copy, generate_element_zero,
2906	generate_one_element_init): Likewise.
2907	* tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2908	* lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2909	lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2910	perfect_nestify): Likewise.
2911
29122005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2913
2914	* pa.c (pa_secondary_reload): Revise initialization of variable regno.
2915
29162005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2917
2918	* ggc.h (GGC_RESIZEVEC): New.
2919
29202005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2921
2922	* gcc.c (execute): Improve readability.
2923
29242005-12-02  Richard Guenther  <rguenther@suse.de>
2925
2926	* tree-cfg.c (mark_used_vars): New function.
2927	(dump_function_to_file): Dump only used VAR_DECLs.
2928
29292005-12-02  Richard Guenther  <rguenther@suse.de>
2930
2931	* convert.c (convert_to_integer): Fix compare for nonpositive
2932	constant to use tree_int_cst_sgn <= 0.
2933
29342005-12-02  Richard Guenther  <rguenther@suse.de>
2935
2936	* convert.c (convert_to_integer): Use fold_convert instead
2937	of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2938	instead of comparing against 0.  Use build_int_cst instead
2939	of converting integer_zero_node.
2940
29412005-12-02  Richard Guenther  <rguenther@suse.de>
2942
2943	* tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2944	and RROTATE_EXPR.
2945
29462005-12-02  Alan Modra  <amodra@bigpond.net.au>
2947
2948	PR target/21017
2949	* combine.c (simplify_logical <IOR>): Simplify more patterns to
2950	rotates.
2951
29522005-12-02  Alan Modra  <amodra@bigpond.net.au>
2953
2954	PR middle-end/25176
2955	* function.c (expand_function_end): Emit blockage for unwinder
2956	after return label.
2957
29582005-12-01  Roger Sayle  <roger@eyesopen.com>
2959
2960	* tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2961	constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2962	* tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2963	integer constant comparisons.
2964
29652005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2966	    Janis Johnson  <janis187@us.ibm.com>
2967	    David Edelsohn  <dje@watson.ibm.com>
2968	    Ben Elliston  <bje@au.ibm.com>
2969
2970	* dfp.h, dfp.c: New files.
2971	* Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2972	(DECNUM_H): Likewise.
2973	(LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2974	(INCLUDES): Append $(DECNUMINC).
2975	(OBJS-common): Add dfp.o.
2976	(dfp.o): New rule.
2977	* real.h (EXP_BITS): Pinch one bit to ..
2978	(struct real_value): Add decimal field.
2979	(real_format): Change table size, update documentation.
2980	(REAL_MODE_FORMAT): Update for to handle float, decimal float.
2981	(real_from_string3): Declare.
2982	(decimal_single_format): Declare.
2983	(decimal_double_format): Declare.
2984	(decimal_quad_format): Declare.
2985	(REAL_VALUE_TO_TARGET_DECIMAL32): New.
2986	(REAL_VALUE_TO_TARGET_DECIMAL64): New.
2987	(REAL_VALUE_TO_TARGET_DECIMAL128): New.
2988	* real.c: Include dfp.h.
2989	(normalize): Early return for decimal floats.
2990	(do_add): Zero decimal field.
2991	(do_compare): Call do_decimal_compare for decimal floats.
2992	(do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2993	(real_arithmetic): Call decimal_real_arithmetic for decimal
2994	floating point operands.
2995	(real_identical): If a and b are of differing radix, return false.
2996	(real_to_integer): Call decimal_real_to_integer if the value is a
2997	decimal float.
2998	(real_to_integer2): Likewise, call decimal_real_to_integer2.
2999	(real_to_decimal): Likewise, call decimal_real_to_decimal.
3000	(real_to_hexadecimal): Place "N/A" in the return string for
3001	decimal float.
3002	(real_from_string3): New variant, given a mode.
3003	(real_maxval): Use decimal_real_maxval for decimal floats.
3004	(round_for_format): Use decimal_round_for_format for decimals.
3005	(real_convert): Use decimal_real_convert where appropriate.
3006	(significand_size): Handle base 10.
3007	(encode_decimal_single, decode_decimal_single,
3008	encode_decimal_double, decode_decimal_double, encode_decimal_quad,
3009	decode_decimal_quad): New functions.
3010	(decimal_single_format): New.
3011	(decimal_double_format): New.
3012	(decimal_quad_format): New.
3013	* machmode.def: Add SD, DD and TD decimal floating point modes.
3014	* machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
3015	Include MODE_DECIMAL_FLOAT.
3016	(DECIMAL_FLOAT_MODE_P): New.
3017	* mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
3018	* genmodes.c (struct mode_data): Add counter field.
3019	(struct mode_data): Update comment for format.
3020	(blank_mode): Initialise counter field.
3021	(new_mode): Increment counter field for each mode defined.
3022	(complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
3023	using a format.
3024	(make_complex_modes): Handle modes containing `D'.
3025	(DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
3026	(make_decimal_float_mode): New.
3027	(reset_float_format): Handle MODE_DECIMAL_FLOAT.
3028	(cmp_modes): Compare counter field if other characteristics
3029	similar.
3030	(emit_real_format_for_mode): Support formats for decimal floats.
3031	* doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
3032	Document MODE_DECIMAL_FLOAT.
3033
30342005-12-02  Alan Modra  <amodra@bigpond.net.au>
3035
3036	* simplify-rtx.c (simplify_plus_minus): Do simplify constants.
3037	Delete dead code.
3038
30392005-12-01  Richard Henderson  <rth@redhat.com>
3040
3041	* optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
3042
30432005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3044
3045	* builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
3046
3047	* config/pa/pa.c (pa_init_builtins): If we detect
3048	DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
3049	putc_unlocked.
3050
30512005-12-01  Richard Guenther  <rguenther@suse.de>
3052
3053	* fold-const.c (fold_binary): Use fold_build2, not
3054	fold (build (...)).
3055
30562005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
3057
3058	* config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
3059
3060	* vec.h (VEC_block_remove): New.
3061
30622005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3063
3064	PR c/13384
3065	* c-common.c (lvalue_error): Fix wording.
3066
30672005-12-01  Richard Guenther  <rguenther@suse.de>
3068
3069	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
3070	thinko in last patch.
3071
30722005-12-01  Geoffrey Keating  <geoffk@apple.com>
3073
3074	* config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
3075	than -flat_namespace.
3076
30772005-12-01  Ben Elliston  <bje@au.ibm.com>
3078
3079	* mklibgcc.in: Parameterise the script to build soft float
3080	functions by iterating over each type, rather than cloning the
3081	code for each type.
3082
30832005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3084
3085	PR middle-end/25158
3086	* builtins.c (fold_builtin_fputs): Defer check for missing
3087	replacement functions.
3088
30892005-11-30  Kean Johnston  <jkj@sco.com>
3090
3091	* config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
3092	simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
3093
30942005-11-30  Richard Guenther  <rguenther@suse.de>
3095
3096	PR tree-optimization/22501
3097	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
3098	function split out from ...
3099	(forward_propagate_addr_expr): ... here.  Use it to propagate
3100	ADDR_EXPRs to all uses.
3101
31022005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3103
3104	* tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
3105	* builtins.c (expand_builtin_mathfn): Use them.
3106	(expand_builtin_mathfn_2): Likewise.
3107	(expand_builtin_mathfn_3): Likewise.
3108	(expand_builtin_int_roundingfn): Likewise.
3109	(expand_builtin): Likewise.
3110	(integer_valued_real_p): Likewise.
3111	(fold_builtin_int_roundingfn): Likewise.
3112	(fold_builtin_bitop): Likewise.
3113	(fold_builtin_logarithm): Likewise.
3114	(fold_builtin_1): Likewise.
3115	* convert.c (convert_to_integer): Likewise.
3116	* fold-const.c (negate_mathfn_p): Likewise.
3117	(tree_expr_nonnegative_p): Likewise.
3118
31192005-11-30  Dale Johannesen  <dalej@apple.com>
3120	    Andrew Pinski  <pinskia@physics.uc.edu>
3121
3122	* combine.c (find_split_point): Sign extend bitmask
3123	when changing bitfield assignment to IOR of AND.
3124
31252005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3126
3127	* config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
3128	clobber to scratch reg.
3129	(*decrement_and_branch_until_zero_no_clobber): Remove.
3130	(decrement_and_branch peephole): Add dummy scratch reg to pattern.
3131	(mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
3132	* config/ms1/ms1.opt (mmul): Remove.
3133	* config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
3134	(LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
3135
31362005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3137	    Bernd Schmidt  <bernd.schmidt@analog.com>
3138
3139	* pa/predicates.md (symbolic_operand): Add comment.
3140	* pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
3141	* pa/pa-protos.h (pa_secondary_reload_class): Delete.
3142	* pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
3143	(pa_secondary_reload_class): Delete.
3144	(pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
3145	and pa_secondary_reload_class.  Reorder some checks.  Update inline
3146	copy of symbolic operand.
3147	* pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
3148
31492005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3150
3151	* loop-doloop.c (add_test): Only add jump notes if we did emit a
3152	jump.
3153
31542005-11-30  Jeff Law  <law@redhat.com>
3155
3156	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
3157	handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3158
31592005-11-30  Jakub Jelinek  <jakub@redhat.com>
3160
3161	* config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
3162	Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
3163	(ia64_expand_move): Adjust caller.
3164
3165	* config/ia64/ia64.c (ia64_expand_atomic_op): Only use
3166	fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
3167	negate VAL.
3168
31692005-11-30  Paolo Bonzini  <bonzini@gnu.org>
3170
3171	* simplify-rtx.c (simplify_plus_minus): Remove final parameter.
3172	Always produce an output if we can remove NEGs or canonicalize
3173	(minus (minus ...)) expressions.  Provide a fast path for the
3174	two-operand case.
3175	(simplify_gen_binary): Do not call simplify_plus_minus.
3176	(simplify_binary_operation_1): Reassociate at the end of the
3177	function.
3178
31792005-11-29  Evan Cheng  <evan.cheng@apple.com>
3180
3181	* config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
3182	moves and unpack to speed up.
3183
31842005-11-29  David S. Miller  <davem@sunset.davemloft.net>
3185
3186	* config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
3187	argument, they are always sparc_compare_op0 and sparc_compare_op1.
3188	(gen_v9_scc): Update callers.
3189	* config/sparc/sparc.md: Likewise.
3190	* config/sparc/sparc-protos.h: Update extern declaration.
3191
3192	* tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
3193
31942005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3195
3196	* fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
3197	the if.
3198
31992005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3200
3201	* fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3202	(fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3203	(negate_expr): Here.
3204
32052005-11-29  Ben Elliston  <bje@au.ibm.com>
3206
3207	* config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3208	Fix typo in comment.
3209
32102005-11-29  Ben Elliston  <bje@au.ibm.com>
3211
3212	* Makefile.in (clean-target): Depend on clean-target-libgcc.
3213	(clean-target-libgcc): Import rule from the top-level Makefile.in.
3214
32152005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3216
3217	PR middle-end/20109
3218	PR middle-end/25120
3219	* builtins.c (init_target_chars): New.
3220	(expand_builtin_printf, expand_builtin_fprintf,
3221	expand_builtin_sprintf, fold_builtin_sprintf,
3222	maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3223	fold_builtin_snprintf_chk, fold_builtin_printf,
3224	fold_builtin_fprintf): Check for matching format strings using
3225	the target charset.
3226
32272005-11-29  Paul Brook  <paul@codesourcery.com>
3228
3229	* config.gcc: Do not use fixproto on m68k-elf.
3230
32312005-11-28  Roger Sayle  <roger@eyesopen.com>
3232
3233	* expmed.c (div_cost): Replace with...
3234	(sdiv_cost, udiv_cost): New.
3235	(init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3236	Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3237	and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3238	(expand_divmod): Replace use of div_cost with either sdiv_cost
3239	or udiv_cost depending upon the signedness of the operation.
3240
32412005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3242
3243	PR libfortran/24991
3244	* config/darwin.c (machopic_indirection_name,
3245	machopic_output_indirection): Follow transparent alias chain.
3246
32472005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3248
3249	* varasm.c (ultimate_transparent_alias_target): Add comment.
3250
32512005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3252
3253	* config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3254	SET_SRC instead of XEXP where appropriate.
3255
32562005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3257
3258	* config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3259	__builtin_expect.
3260
32612005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3262
3263	* config/fp-bit.h (LSHIFT): Take shift count parameter.
3264	* config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3265	bit at a time.
3266
32672005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3268
3269	* config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3270	secondary_input_reload_class, made static.  Adapt to new
3271	infrastructure.
3272	(secondary_output_reload_class): Delete.
3273	(TARGET_SECONDARY_RELOAD): New macro.
3274	* config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3275	SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3276
32772005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3278
3279	PR c++/21166
3280	* c-decl.c (finish_struct): Only set DECL_PACKED on a field
3281	when its natural alignment is > BITS_PER_UNIT.
3282	* stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3283	* c-common.c (handle_packed_attribute): Ignore packing on a field
3284	whose type is naturally char aligned.
3285
32862005-11-28  Richard Guenther  <rguenther@suse.de>
3287
3288	* c-common.c (strict_aliasing_warning): Handle all
3289	component-ref like accesses.
3290
32912005-11-28  Roger Sayle  <roger@eyesopen.com>
3292	    Uros Bizjak  <uros@kss-loka.si>
3293
3294	PR middle-end/20219
3295	* fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3296	sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3297	when flag_unsafe_math_optimizations is set and
3298	we don't care about NaNs or Infinities.
3299
3300	Move x/expN(y) and x/pow(y,z) transformation into common
3301	flag_unsafe_math_optimizations section.
3302
33032005-11-27  Mark Mitchell  <mark@codesourcery.com>
3304
3305	* gcc.c (main): Change type of argv to "char **".
3306
33072005-11-28  Alan Modra  <amodra@bigpond.net.au>
3308
3309	* doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3310	small data sections.
3311	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3312	* config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3313	* config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3314	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3315	output locals to sbss if !rs6000_elf_in_small_data_p.
3316	(ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3317
33182005-11-28  Alan Modra  <amodra@bigpond.net.au>
3319
3320	PR target/24997
3321	* config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3322	generated by reload.
3323	* config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3324	indexed_or_indirect_address.
3325	(indexed_or_indirect_address): Don't test for base reg.  Call
3326	address_operand last.  Make it a special predicate.
3327
33282005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3329
3330	* config/m68k/m68k.c (notice_update_cc): Remove useless code.
3331
33322005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3333
3334	PR middle-end/24575
3335	* fold-const.c (negate_expr_p): Add case for signed divides if overflow
3336	is undefined.
3337	(negate_expr): Likewise.
3338
33392005-11-27  Andreas Schwab  <schwab@suse.de>
3340
3341	* config/m68k/m68k.c: Reindent and fix whitespace, remove
3342	redundant parens.
3343
33442005-11-27  Steven Bosscher  <stevenb@suse.de>
3345
3346	* cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3347	has EH predecessor edges.
3348
33492005-11-26  Eric Christopher  <echristo@apple.com>
3350
3351	* config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3352	register stalls by zero extending to the full register.
3353
33542005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3355
3356	* config/floatunsisf.c, config/floatunsidf.c,
3357	config/floatunsixf.c, config/floatunsitf.c: New files.
3358	* config/ia64/t-hpux: Add floatunsitf.c.
3359	* config/ia64/ia64.c (ia64_init_libfuncs): Use
3360	_U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3361
33622005-11-26  Richard Henderson  <rth@redhat.com>
3363
3364	* c-lex.c (pragma_lex): Rename from c_lex.
3365	* c-pch.c: Update for pragma_lex rename.
3366	* c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3367	* config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3368	* config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3369	* config/sol2-c.c, config/v850/v850-c.c: Likewise.
3370	* doc/tm.texi: Likewise.
3371
33722005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3373
3374	PR middle-end/23669
3375	* fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3376	when overflow is undefined.
3377
33782005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3379
3380	* doc/md.texi (Insn Canonicalizations): Refer to the
3381	function commutative_operand_precedence for further rules.
3382
33832005-11-25  Roger Sayle  <roger@eyesopen.com>
3384
3385	PR middle-end/21309
3386	* expmed.c (choose_mult_variant): Return immediately when mult_cost
3387	is less than zero.  Limit mult_cost to a reasonable upper bound for
3388	the synthetic multiplication sequence.
3389
33902005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3391
3392	PR middle-end/25022
3393	* builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3394	fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3395	Lookup the explicit replacement functions for any unlocked
3396	stdio builtin transformations.
3397
33982005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3399
3400	* config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3401	earlyclobber.
3402	* targhooks.c (default_secondary_reload): Don't require operand 2
3403	for an input reload to be earlyclobber.
3404
34052005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3406
3407	* fold-const.c (negate_mathfn_p): Fix comment and add support
3408	for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3409	BUILT_IN_ATANH.
3410
34112005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3412
3413	PR middle-end/24998
3414	* config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3415	_Q_ulltoq for unsigned conversions from SImode and DImode to
3416	TFmode.
3417
34182005-11-25  Alan Modra  <amodra@bigpond.net.au>
3419
3420	* config/rs6000/ppc64-fp.c (__floatunditf): New function.
3421	(__floatundidf, __floatundisf): Likewise.
3422
34232005-11-25  David Edelsohn  <edelsohn@gnu.org>
3424
3425	* config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3426	(rs6000_override_options): Remove initialization of
3427	rs6000_sr_alias_set.
3428	(rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3429	(rs6000_emit_stack_tie): Same.
3430	(emit_frame_save): Same.
3431	(gen_frame_mem_offset): Same.
3432	(rs6000_emit_prologue): Same.
3433	(rs6000_emit_epilogue): Same.
3434
34352005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3436
3437	PR middle-end/24989
3438	* fold-const.c (fold_build): Convert bool_var != 1 and
3439	bool_var == 0 to !bool_var.
3440
34412005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3442
3443	PR middle-end/24990
3444	* fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3445	for C being INTEGER_CST.  Likewise for !=.
3446
34472005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3448
3449	PR middle-end/24998
3450	* config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3451	unsigned conversions from SImode to TFmode.
3452
34532005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3454
3455	* expr.c (expand_expr_real_1): Fix error in last change.
3456
34572005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3458
3459	* caller-save.c: (this_insn_sets): Move into:
3460	(save_call_clobbered_regs).
3461	(mark_set_regs): Get this_insn_sets from data.
3462
3463	(save_call_clobbered_regs): Take sets of the return value by
3464	sibcalls into account.
3465
34662005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3467	PR target/21623:
3468
3469	* regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3470	SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3471	(init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3472	(memory_move_secondary_cost, init_reg_autoinc): Remove
3473	SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3474	Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3475	secondary_reload_class call.
3476	(copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3477	callers.
3478	* reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3479	(push_secondary_reload): Use secondary_reload target hook.
3480	(secondary_reload_class, scratch_reload_class): New functions.
3481	(push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3482	SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3483	SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3484	* reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3485	(secondary_reload_class, scratch_reload_class): Declare.
3486	* reload1.c: Include target.h.
3487	(reload_adjust_reg_for_temp): New function.
3488	(reload_adjust_reg_for_icode): Likewise.
3489	(choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3490	Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3491	call.
3492	(emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3493	for inheritance.  Support case when both secondary & tertiary reloads
3494	are for intermediate registers.
3495	(emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3496	with secondary_reload_class call.  Support case when both secondary
3497	& tertiary reloads are for intermediate registers.
3498	* target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3499	(TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3500	* target.h (secondary_reload_info): New struct / typedef.
3501	(struct gcc_target): New member secondary_reload.
3502	* targhooks.c Include reload.h, optabs.h and recog.h.
3503	(default_secondary_reload): New function.
3504	* targhooks.h (default_secondary_reload): Declare.
3505	* doc/tm.texi: Document secondary_reload target hook.  Update
3506	description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3507	* doc/md.texi: Likewise.
3508
3509	* sh-protos.h (sh_secondary_reload): Declare.
3510	* sh.c (TARGET_SECONDARY_RELOAD): Override.
3511	(sh_secondary_reload): New function.
3512	* sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3513	(SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3514	(SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3515	(HAVE_SECONDARY_RELOADS): Define.
3516	* sh.md (reload_indf): Rename to:
3517	(reload_indf__frn).
3518	(reload_outdf): Rename to:
3519	(reload_outdf__RnFRm).
3520	(reload_insf): Rename to:
3521	(reload_insf__frn).
3522	(reload_insi): Rename to:
3523	(reload_insi__i_fpul).
3524
35252005-11-24  Uros Bizjak  <uros@kss-loka.si>
3526
3527	* configure.ac: Require at least texinfo 4.4.
3528	* configure: Regenerate.
3529
3530	* doc/install.texi (Tools/packages necessary for building GCC):
3531	Update required version of texinfo to at least 4.4.
3532	(Installing GCC: Building): Update required version of texinfo
3533	to at least 4.4.
3534	(Installing GCC: Final installation): Update required version
3535	of texi2dvi to at least 4.4.
3536	(Host/target specific installation notes for GCC): Update required
3537	version of texinfo to at least 4.4.
3538
35392005-11-24  Richard Guenther  <rguenther@suse.de>
3540	Dirk Mueller <dmueller@suse.de>
3541
3542	PR c++/14024
3543	* c-common.h (strict_aliasing_warning): Declare.
3544	* c-common.c (strict_aliasing_warning): New function,
3545	split out from ...
3546	* c-typeck.c (build_c_cast): ... here.
3547
35482005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3549
3550	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
3551	to order operands.
3552	(swap_commutative_operands_with_target): New.
3553
35542005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3555
3556	* gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3557	also when doing PRE, rather than only for global CPROP.
3558
35592005-11-24  Ben Elliston  <bje@au.ibm.com>
3560
3561	* machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3562	* optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3563	formatting.
3564	(expand_twoval_unop): Likewise.
3565	(widen_clz): Likewise.
3566	(expand_parity): Likewise.
3567	(expand_unop): Likewise.
3568	(emit_cmp_and_jmp_insn_1): Likewise.
3569	(prepare_float_lib_cmp): Likewise.
3570
35712005-11-24  Ben Elliston  <bje@au.ibm.com>
3572
3573	* optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3574	Remove unused `class' variable.
3575
35762005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3577
3578	PR c++/21667
3579	* c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3580	C/C++ diagnostic function warn_array_subscript_with_type_char.
3581	* c-common.h (warn_array_subscript_with_type_char): Declare.
3582	* c-common.c (warn_array_subscript_with_type_char): Define.
3583
35842005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3585
3586	PR c/21668
3587	* c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3588	compiling at the intersection of C and C++.
3589
35902005-11-23  Mark Mitchell  <mark@codesourcery.com>
3591
3592	* doc/invoke.texi: For man pages, include gcc-vers.texi.
3593	List @file in the option summary.  Include the libiberty
3594	documentation for @file.
3595	* gcc.c (main): Call expandargv.
3596	* Makefile.in (gcc-vers.texi): Define srcdir.
3597
35982005-11-23  Diego Novillo  <dnovillo@redhat.com>
3599
3600	* passes.c (init_optimization_passes): Document
3601	sequencing of passes.
3602
36032005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3604
3605	* config/m68k/predicates.md (pcrel_address, extend_operator,
3606	post_inc_operand, pre_dec_operand): Remove redundant
3607	conditionals.
3608	(const_uint32_operand, const_sint32_operand): Use gcc_assert
3609	instead of abort.
3610	(valid_dbcc_comparison_p): Rewrite in the lisp style.
3611
36122005-11-23  Ben Elliston  <bje@au.ibm.com>
3613
3614	* dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3615
36162005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3617
3618	Preparatory work for PR target/21623:
3619	* alpha.c (secondary_reload_class): Rename to:
3620	(alpha_secondary_reload_class).
3621	* alpha.h, alpha-protos.h: Likewise.
3622	* mn10300.c (secondary_reload_class): Rename to:
3623	(mn10300_secondary_reload_class).
3624	* mn10300.h, mn10300-protos.h: Likewise.
3625	* pa.c (secondary_reload_class): Rename to:
3626	(pa_secondary_reload_class).
3627	* pa.h, pa-protos.h: Likewise.
3628	* rs6000.c (secondary_reload_class): Rename to:
3629	rs6000_secondary_reload_class.
3630	* rs6000.h, rs6000-protos.h: Likewise.
3631
36322005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3633
3634	PR middle-end/22561
3635	* tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3636
36372005-11-22  Ian Lance Taylor  <ian@airs.com>
3638
3639	* optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3640	a mode_class.
3641	(prepare_cmp_insn): Likewise.
3642
36432005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3644
3645	PR target/23435
3646	* m68k.md (zero_extendsidi2): Force operands[1] to a register
3647	if both operands[0] and operands[1] are memory.
3648
36492005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3650
3651	PR middle-end/23606
3652	* fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3653	COMPARISON_CLASS_P and an integral types create create a new
3654	expression with the new type and fold that.
3655
36562005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3657
3658	PR target/24988
3659	* config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3660	to SUBTARGET_OS_CPP_BUILTINS.
3661
36622005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3663
3664	* arm.c (emit_set_insn): New function.
3665	(arm_split_constant): Call it.
3666	(arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3667	(arm_legitimize_address): Likewise.  Use plus_constant.
3668	(arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3669	(thumb_expand_prologue): Likewise.
3670	(arm_gen_load_multiple): Use VOIDmode in SET.
3671	(arm_gen_store_multiple): Likewise.
3672	(vfp_emit_fstmx): Likewise.  Use plus_constant.
3673	(emit_multi_reg_push): Likewise.
3674	(emit_sfm): Use plus_constant.
3675
36762005-11-23  Alan Modra  <amodra@bigpond.net.au>
3677
3678	PR target/24954
3679	* config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3680	typo last change.
3681
36822005-11-22  Alan Modra  <amodra@bigpond.net.au>
3683
3684	PR middle-end/24950
3685	* expmed.c (store_bit_field): Don't attempt to insv a field
3686	larger than the reg.
3687
36882005-11-22  Alan Modra  <amodra@bigpond.net.au>
3689
3690	PR target/24954
3691	* config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3692	explicit sign extension, not a (char) cast.
3693
36942005-11-22  Ben Elliston  <bje@au.ibm.com>
3695
3696	* optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3697	GET_MODE_CLASS (x) == MODE_FLOAT.
3698	* config/i386/i386.c: Likewise.
3699	* config/rs6000/xcoff.h: Likewise.
3700	* config/rs6000/linux64.h: Likewise.
3701	* config/rs6000/rs6000.c: Likewise.
3702	* config/rs6000/rs6000.h: Likewise.
3703	* config/rs6000/predicates.md: Likewise.
3704	* config/rs6000/sysv4.h: Likewise.
3705
37062005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3707
3708	* c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3709	flag_pic is set.
3710
3711	* config/alpha/freebsd.h, config/alpha/linux.h,
3712	config/arm/linux-elf.h, config/bfin/bfin.h,
3713	config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3714	config/i386/beos-elf.h, config/i386/gnu.h,
3715	config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3716	config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3717	config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3718	config/rs6000/linux64.h, config/rs6000/sysv4.h,
3719	config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3720	config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3721	config/sparc/linux.h, config/sparc/linux64.h,
3722	config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3723
3724	* doc/invoke.texi: Document that the macros __pic__ and __PIC__
3725	are both defined when either flag -fpic or -fPIC are used.
3726
37272005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3728
3729	* config/fp-bit.c (clzusi): New function.
3730	(si_to_float, usi_to_float): Use it to compute proper shift.
3731	(usi_to_float): Preserve guard bits when shifting right.
3732	* libgcc-std.ver (GCC_4.2.0): New version.
3733	* libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3734	__floatundisf): New functions.
3735	* libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3736	__floatundisf): Declare.
3737	* mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3738	_floatundixf, and _floatunditf.
3739	* optabs.c (expand_float): If target does not define a pattern for
3740	signed or unsigned conversion, use an unsigned libcall instead of
3741	a signed one.
3742	(init_optabs): Initialize ufloat_optab.
3743
37442005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3745
3746	* config/rs6000/rs6000.opt (mmulhw): New option.
3747	* doc/invoke.texi (-mmulhw): Document.
3748	* config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3749	for 405 and 440.
3750	* config/rs6000/rs6000.md: Add half-word multiply and
3751	multiply-accumulate instructions for 405 and 440.
3752
37532005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3754
3755	* config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3756	which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3757	default now includes a linker group which makes the RTEMS one nest.
3758
37592005-11-22  Ben Elliston  <bje@au.ibm.com>
3760
3761	* cse.c (fold_rtx): Typo fix.
3762	(find_comparison_args): Pass the mode of arg1, not arg1 itself.
3763
37642005-11-21  Richard Henderson  <rth@redhat.com>
3765
3766	* c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3767	langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3768
3769	* c-tree.h (lookup_name): Move declaration ...
3770	* c-common.h (lookup_name): ... here.
3771	* config/darwin-c.c: Include c-common.h.
3772	* config/t-darwin: Update dependencies.
3773
37742005-11-22  Ben Elliston  <bje@au.ibm.com>
3775
3776	* optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3777	explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3778	* genopinit.c (gen_insn): Likewise.
3779	* reload.c (find_equiv_reg): Likewise.
3780	* loop.c (load_mems): Likewise.
3781	* rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3782	* cse.c (find_comparison_args, fold_rtx): Likewise.
3783	* dwarf2out.c (add_const_value_attribute): Likewise.
3784	* expr.c (convert_move): Likewise.
3785	* recog.c (general_operand, register_operand): Likewise.
3786	* reg-stack.c (replace_reg): Likewise.
3787	* tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3788	* c-common.c (handle_vector_size_attribute): Likewise.
3789	* simplify-rtx.c (simplify_const_unary_operation): Likewise.
3790	(simplify_binary_operation_1): Likewise.
3791	(simplify_const_binary_operation): Likewise.
3792	(simplify_relational_operation): Likewise.
3793	(simplify_const_relational_operation): Likewise.
3794	(simplify_immed_subreg): Likewise.
3795	* emit-rtl.c (gen_lowpart_common): Likewise.
3796	* expmed.c (expand_mult): Likewise.
3797	* stor-layout.c (layout_type): Likewise.
3798
37992005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3800
3801	PR target/24951
3802	* config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3803	cst2 only for SPE vectors.
3804
38052005-11-21  David Edelsohn  <edelsohn@gnu.org>
3806
3807	PR target/24953
3808	* config/rs6000/predicates.md (vrsave_operation): Check
3809	UNSPEC_VOLATILE value.
3810
38112005-11-21  Jan Hubicka  <jh@suse.cz>
3812
3813	PR tree-optimization/24653
3814	* tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3815
38162005-11-21  Uros Bizjak  <uros@kss-loka.si>
3817
3818	* config/i386/predicates.md (ax_reg_operand): New predicate.
3819	(memory_displacement_only_operand): New predicate.
3820	* config/i386/i386.md ("modrm" attribute): Return 0 if one
3821	operand is AX register and the other operand is memory operand
3822	with displacement only.
3823
38242005-11-21  Uros Bizjak  <uros@kss-loka.si>
3825
3826	* fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3827	if we don't care about NaNs or Infinities.
3828
38292005-11-20  Ian Lance Taylor  <ian@airs.com>
3830
3831	PR rtl-optimization/24883
3832	* combine.c (combinable_i3pat): When checking whether the
3833	destination of i3 is used in i3, consider paradoxical subregs.
3834
38352005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3836
3837	PR middle-end/20583
3838	* cse.c (cse_insn): Reject invalid forms of CONST earlier.
3839
38402005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3841
3842	* combine.c (try_combine): Do not run subst on i1src and i2src in
3843	the case of generating a PARALLEL for a comparison.
3844
38452005-11-20  Richard Henderson  <rth@redhat.com>
3846
3847	PR 24931
3848	* tree-sra.c (struct sra_elt): Add all_no_warning.
3849	(struct sra_walk_fns) <use>: Add use_all argument.
3850	(sra_walk_expr): Pass it.
3851	(sra_walk_modify_expr): Likewise.
3852	(scalarize_ldst): Likewise.
3853	(scan_use): Update for new argument.
3854	(mark_no_warning): New.
3855	(scalarize_use): Use it.
3856
38572005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3858
3859	* expr.c (expand_expr_real): Use usmul_optab for widening
3860	signed * unsigned multiplies.
3861	* genopinit.c (optabs): Add usmul_widen_optab.
3862	* optabs.c (init_optabs): Likewise.
3863	* optabs.h (enum optab_index): Add OTI_usmul_widen.
3864	(usmul_widen_optab): Define.
3865	* config/bfin/bfin.md (usmulhisi3): New pattern.
3866
3867	* doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3868
38692005-11-20  Graham Stott <btinternet.com>
3870
3871	* gensupport.c (std_preds): Fixed extraneous `false` in last change.
3872
38732005-11-20  Andreas Schwab  <schwab@suse.de>
3874
3875	PR target/24757
3876	* config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3877	insn.
3878
38792005-11-19  Richard Henderson  <rth@redhat.com>
3880
3881	PR tree-opt/24665
3882	* tree-gimple.c (is_gimple_id): Export.
3883	* tree-gimple.h (is_gimple_id): Declare.
3884	* tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3885	(get_default_value): Use it.
3886	(maybe_fold_stmt_indirect): Likewise.
3887
38882005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3889
3890	* tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3891	than VR1 or vice-versa.
3892
38932005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3894
3895	PR middle-end/24912
3896	PR middle-end/24750
3897	* reload.c (find_reloads_address_1): Mention dependency on
3898	gen_reload.
3899	* reload1.c (gen_reload): For IN with an unary operation, try
3900	moving inner expression to OUT if trivial SET is not valid.
3901	Confirm that the result is valid.  Move common code block into...
3902	(emit_insn_if_valid_for_reload): New function.
3903
39042005-11-19  Richard Guenther  <rguenther@suse.de>
3905
3906	* fold-const.c (fold_indirect_ref_1): Make sure we fold
3907	ARRAY_REFs of constant strings.
3908
39092005-11-19  Jakub Jelinek  <jakub@redhat.com>
3910
3911	* gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3912	fatal format string.
3913
39142005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3915
3916	* combine.c (make_compound_operation): Swap operands of
3917	commutative operation if necessary before returning.
3918
39192005-11-19  Richard Guenther  <rguenther@suse.de>
3920
3921	PR middle-end/23294
3922	* fold-const.c (fold_plusminus_mult_expr): New function.
3923	(fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3924	cases, remove now unnecessary code.
3925
39262005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3927
3928	* gensupport.c (old_preds): Rename to std_preds, add special field.
3929	(struct old_pred_table): Rename to struct std_pred_table, add special
3930	field.
3931	(NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3932	(NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3933	(init_predicate_table): Adjust, and set along the way whether a
3934	predicate is special.
3935
39362005-11-18  Mark Mitchell  <mark@codesourcery.com>
3937
3938	* BASE-VER: Change to 4.2.0.
3939
39402005-11-18  James E Wilson  <wilson@specifix.com>
3941
3942	* builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3943	returning it.
3944
39452005-11-18  Mike Stump  <mrs@apple.com>
3946
3947	* c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3948	* config/darwin-c.c (darwin_pragma_unused): Likewise.
3949	* c-decl.c (lookup_name_two) Remove.
3950	* c-tree.h (lookup_name_two): Remove.
3951	* c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3952	* langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3953	(LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3954	* langhooks.h (lang_hooks_for_decls): Add lookup_name.
3955
39562005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3957
3958	PR target/24914
3959	* arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3960	when not generating code to use that co-processor.
3961
39622005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3963
3964	* tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3965	add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3966	these functions are now in tree-phinodes.c.
3967
39682005-11-18  Jie Zhang  <jie.zhang@analog.com>
3969
3970	* config/bfin/bfin.md (trap): New pattern.
3971
39722005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3973
3974	* tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3975	on types.
3976
3977	* expr.c (expand_expr_real): Don't call record_block_change unless
3978	ib_boundaries_block is non-null
3979
3980	* postreload.c (reload_cse_move2add): Don't try to work with BImode.
3981
3982	* fold-const.c (build_range_check): Use proper type for subtraction
3983	when merging lower bound.
3984
39852005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3986
3987	PR rtl-optimization/24497
3988	* loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3989	the copied insn.
3990
39912005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3992
3993	* tree-scalar-evolution.c (expression_expensive_p): New function.
3994	(scev_const_prop): Use compute_overall_effect_of_inner_loop.
3995
39962005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3997
3998	* config/bfin/crtlibid.s: New file.
3999
40002005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4001
4002	PR target/24348
4003	* config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
4004	when not using sjlj exceptions.
4005	* config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
4006	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
4007	* config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
4008	* config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
4009	DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
4010	* config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
4011	* config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
4012	DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
4013	ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
4014	* config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
4015	(FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
4016	DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
4017	ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
4018	defines.
4019	* config/pa/hpux-unwind.h: New file.
4020
40212005-11-17  Alexandre Oliva  <aoliva@redhat.com>
4022
4023	* config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
4024	* defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
4025	* varasm.c (do_assemble_alias): Adjust call.
4026	(weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
4027	is defined.
4028	* doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
4029
40302005-11-17  James E Wilson  <wilson@specifix.com>
4031
4032	* tree.def (FUNCTION_DECL): Correct typo in comment.
4033
40342005-11-17  Richard Henderson  <rth@redhat.com>
4035
4036	* dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
4037	(lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
4038	and DW_CFA_def_cfa_sf.
4039	(def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
4040	(dbx_reg_number): Don't assert particular registers here.
4041	(based_loc_descr): ... do it here instead.  Fold in ...
4042	(eliminate_reg_to_offset): ... this function.
4043	(compute_frame_pointer_to_cfa_displacement): Fold in the effects
4044	of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
4045	* unwind-dw2.c (execute_cfa_program): Apply data align factor
4046	to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
4047	* function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
4048	(instantiate_virtual_regs): Likewise.
4049	* var-tracking.c (adjust_stack_reference): Likewise.
4050	* doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
4051
40522005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4053
4054	* config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
4055	* config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
4056	* config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
4057	crtlibid.o.
4058	($(T)crtlibid.o): New rule.
4059
40602005-11-16  Richard Guenther  <rguenther@suse.de>
4061
4062	PR middle-end/24851
4063	* fold-const.c (extract_array_ref): Return byte offset
4064	in all cases.
4065	(fold_binary): Fold &x[a] CMP &x[b] to
4066	a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
4067	behavior.
4068
40692005-11-16  Richard Henderson  <rth@redhat.com>
4070
4071	PR middle-end/23497
4072	* tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
4073	parts of an SSA_NAME.
4074
40752005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
4076
4077	PR target/24861
4078	* arm.md (split for movsf with immediate): Restrict split to insns
4079	that set a general register.
4080
40812005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4082
4083	* config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
4084	uw_update_context.
4085	* unwind-dw2.c (uw_advance_context): Likewise.
4086	* unwind-sjlj.c (uw_advance_context): Likewise.  Also call
4087	_Unwind_SjLj_Unregister.
4088	* unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
4089
40902005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4091
4092	* unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
4093
40942005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4095
4096	* config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
4097	langhook to get a DImode integer type.
4098
40992005-11-16  Richard Henderson  <rth@redhat.com>
4100	    J"orn Rennecke <joern.rennecke@st.com>
4101	    Ulrich Weigand  <uweigand@de.ibm.com>
4102
4103	PR rtl-opt/24160
4104	PR target/24621
4105	* reload1.c (reg_equiv_invariant): New.
4106	(reload): Allocate, initialize, and free it.
4107	(calculate_needs_all_insns): Check it when skipping equivalence
4108	setting insns.
4109	(alter_reg): Likewise.
4110	(eliminate_regs_1): Rename from eliminate_regs.  Add new
4111	may_use_invariant argument; only use reg_equiv_invariant when true.
4112	(eliminate_regs): New.
4113	(eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
4114	a context for which may_use_invariant may be true.
4115
41162005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4117
4118	* fold-const.c (const_binop): Don't constant fold the operation
4119	if the result has overflowed and flag_trapping_math.
4120	* simplify-rtx.c (simplify_const_binary_operation): Likewise.
4121
41222005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4123
4124	* config/arm/unwind-arm.c (abort): Add prototype here.
4125	(UCB_FORCED_STOP_ARG): Correct typo in macro argument.
4126	(struct phase1_vrs): Add prev_sp.
4127	(unwind_phase2_forced): Save the original core registers instead of
4128	modifying entry_vrs.  Take a new flag argument for resuming unwinding
4129	and set action flags accordingly.  Always set _US_END_OF_STACK when
4130	get_eit_entry fails.  Unwind before calling the stop function.
4131	(_Unwind_GetCFA): New function.
4132	(__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
4133	(__gnu_Unwind_Resume_or_Rethrow): Likewise.
4134	(__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
4135	just call unwind_phase2_forced.
4136	(_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
4137	* config/arm/unwind-arm.h (abort): Remove prototype.
4138	(_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
4139	prototypes.
4140	(_Unwind_GetCFA): New prototype.
4141	* config/arm/pr-support.c (abort): Add prototype here.
4142	* unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
4143	forced unwinding.
4144	* config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
4145	not schedule the prologue with non-call exceptions and EABI.
4146
41472005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
4148
4149	* config/arm/unwind-arm.h: Reorder interface function declarations.
4150	(_URC_END_OF_STACK): New enumeration value.
4151	(_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
4152	(struct _Unwind_Control_Block): Document reserved field use.
4153	(_Unwind_Stop_Fn): New typedef.
4154	(_Unwind_ForcedUnwind): Declare.
4155	(_Unwind_Resume_or_Rethrow): Declare.
4156	* config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
4157	argument.  Adjust.
4158	(_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
4159	* config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
4160	(UCB_FORCED_STOP_ARG): New.
4161	(search_EIT_table): Update boundary condition checks.
4162	(get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
4163	(unwind_phase2): Replace for with do..while.
4164	(unwind_phase2_forced): New.
4165	(__gnu_Unwind_RaiseException): Replace for with do..while.
4166	(__gnu_Unwind_ForcedUnwind): New.
4167	(__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
4168	Use appropriate phase2 unwinder.
4169	(__gnu_Unwind_Resume_or_Rethrow): New.
4170	(__gnu_unwind_pr_common): Cope with forced unwinding.
4171
41722005-11-16  David Edelsohn  <edelsohn@gnu.org>
4173
4174	PR target/24772
4175	* config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
4176
4177	* config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
4178	roundsf2): Remove "s" from mnemonic.
4179
41802005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4181
4182	* config/bfin/crti.s (__init, __fini): Use appropriate prologue if
4183	__PIC__ is defined.
4184	* config/bfin/crtn.s: Change epilogues to match.
4185	* config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
4186	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
4187	__PIC__ and __pic__.
4188
41892005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4190
4191	PR 24357
4192	* doc/invoke.texi: Distinguish between free and fixed form instead of
4193	Fortran and Fortran 90/95.  Remove ratfor from the list of supported
4194	languages.
4195	* gcc.c (default_compilers): Remove double entries, add entries for
4196	suffixes '.F90' and '.F95'.
4197
41982005-11-16  Eric Botcazou <ebotcazou@adacore.com>
4199
4200	* config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4201	in the stack probing loop.
4202
42032005-11-15  David Edelsohn  <edelsohn@gnu.org>
4204
4205	* configure.ac: Use .machine power5 not power5x.
4206	* configure: Regenerate.
4207
42082005-11-15  Mike Stump  <mrs@apple.com>
4209
4210	* c-decl.c (lookup_name_two): Add.
4211	* c-tree.h (lookup_name_two): Likewise.
4212	* c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4213	* config/darwin-c.c (darwin_pragma_unused): Likewise.
4214
42152005-11-16  Alan Modra  <amodra@bigpond.net.au>
4216
4217	PR rtl-optimization/23392
4218	* regrename.c (enum scan_actions) Add mark_access.
4219	(scan_actions_name): Ditto.
4220	(scan_rtx_reg): Handle mark_access.
4221	(scan_rtx_address): Do nothing for mark_access.
4222	(build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4223	and regs in REG_INC notes before closing chains for dead regs.
4224	Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4225	opening chains for new writes.
4226
42272005-11-15  David Edelsohn  <edelsohn@gnu.org>
4228
4229	* c.opt (ffixed-line-length-none): New.
4230
42312005-11-15  Steve Ellcey  <sje@cup.hp.com>
4232
4233	* mklibgcc.in: Change contents of eh_dummy.c.
4234
42352005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4236
4237	* loop.c (scan_loop): Do not insert temporaries for hard registers.
4238
42392005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4240
4241	* config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4242	of making syscalls.
4243	* config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4244
42452005-11-15  Jan Hubicka  <jh@suse.cz>
4246
4247	* invoke.texi (large-unit-insns): Document.
4248	* ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4249	* params.def (large-unit-insns): New param.
4250
42512005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4252
4253	PR target/24869
4254	* config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4255	special register for operand 3.  Reindent constraints to align
4256	them vertically.
4257
42582005-11-14  David Edelsohn  <edelsohn@gnu.org>
4259
4260	* doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4261	-mpopcntb, -mfprnd. Add -mcpu=power5+.
4262	* configure.ac: Add test for FP rounding instructions.
4263	* configure: Regenerate.
4264	* config.in: Regenerate.
4265	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4266	_ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4267	features enabled.
4268	* config/rs6000/rs6000.opt (mfprnd): New.
4269	* config/rs6000/rs6000.c (processor_target_table): Add power5+.
4270	(POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4271	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4272	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4273	(TARGET_FPRND): New.
4274	* config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4275	UNSPEC_FRIZ): New.
4276	(btrunc<mode>2): New.
4277	(ceil<mode>2): New.
4278	(floor<mode>2): New.
4279	(round<mode>2): New.
4280
42812005-11-14  Geoffrey Keating  <geoffk@apple.com>
4282
4283	* gcc.c (version_compare_spec_function): Use fatal() rather than
4284	abort().
4285
4286	* config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4287	(SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4288	* config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4289	as empty.
4290	* config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4291	link in crt2.o.
4292
4293	* config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4294	on -mmacosx-version-min setting.
4295
42962005-11-14  Diego Novillo  <dnovillo@redhat.com>
4297
4298	PR 24840
4299	* tree-vrp.c (infer_value_range): Return false if STMT is a
4300	block terminator and its basic block has no successors.
4301
43022005-11-14  Mike Stump  <mrs@apple.com>
4303
4304	* config/i386/i386.c (override_options): -masm=intel isn't
4305	supported on darwin.
4306	* doc/invoke.texi (i386 and x86-64 Options): Likewise.
4307
43082005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4309
4310	* crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4311	vfork after including auto-host.h.
4312
43132005-11-15  Alan Modra  <amodra@bigpond.net.au>
4314
4315	PR rtl-optimization/22002
4316	* combine.c (distribute_notes): Detect cases where a reg dies
4317	two or more times in a bb, including on the insn we are combining,
4318	and place the death note on the correct range.
4319
43202005-11-14  Dale Johannesen  <dalej@apple.com>
4321
4322	* expmed.c (store_bit_field): Add offset unconditionally for
4323	memory targets.
4324	(extract_bit_field): Don't force extzv or extv operand into
4325	a register if field is too big.
4326
43272005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4328
4329	* config/arm/arm.c (pic_labelno): New.
4330	(arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4331	LABEL_REF.  Pass only the labelno to PIC insns.
4332	(arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4333	(arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4334	* arm.md (UNSPEC_PIC_LABEL): New constant.
4335	(pic_add_dot_plus_four, pic_add_dot_plus_eight)
4336	(tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4337	Use the correct label prefix.
4338
43392005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4340
4341	* config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4342	REQ_EQUIV note.
4343
43442005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4345
4346	* loop-invariant.c: Include tm_p.h.
4347	* Makefile.in: Updated.
4348
43492005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4350
4351	* pa.c (store_reg): Revise generation of frame notes in large frames.
4352	(set_reg_plus_d): Likewise.
4353
43542005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4355
4356	PR tree-optimization/24709
4357	* tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4358	loop check.
4359
43602005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4361
4362	* gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4363	and duplicate declaration of pthread_self.
4364
43652005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4366	    Ian Lance Taylor  <ian@airs.com>
4367
4368	PR middle-end/24003
4369	* calls.c (expand_call): If TARGET is a MEM and some part of the
4370	argument area has been saved, force TARGET to a register.
4371
43722005-11-13  Razya Ladelsky <razya@il.ibm.com>
4373
4374	* ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4375	checking.
4376
43772005-11-13  Jason Merrill  <jason@redhat.com>
4378
4379	PR c++/22489
4380	* dwarf2out.c (gen_subprogram_die): Force a declaration die for
4381	lazily declared methods.
4382	(force_decl_die): Stop if forcing out the context already make a
4383	DIE for the decl.
4384	(force_type_die): Likewise.
4385
43862005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4387
4388	PR middle-end/24820
4389	* builtins.c (integer_valued_real_p): Add break in
4390	REAL_CST having TREE_OVERFLOW set.
4391
43922005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4393
4394	* tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4395	addressing modes during calculation of costs.
4396
43972005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4398
4399	* function.c (assign_stack_local_1): Restrict sanity check
4400	on frame size overflow to 32-bit and above platforms.
4401
44022005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4403
4404	* config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4405	* config/cris/cris.c: Include reload.h.
4406	(cris_initial_elimination_offset): New function.
4407	* config/cris/cris-protos.h: (cris_initial_elimination_offset):
4408	Prototype.
4409
44102005-11-12  Richard Guenther  <rguenther@suse.de>
4411
4412	* gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4413
44142005-11-12  Jan Hubicka  <jh@suse.cz>
4415
4416	* expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4417	to compare against 0 when possible.
4418
44192005-11-12  Jie Zhang  <jie.zhang@analog.com>
4420
4421	* config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4422	HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4423	REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4424	* config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4425	in the new order.
4426
44272005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4428
4429	* recog.c (constrain_operands) <case 'g'>: For a match, require
4430	that a non-register matches general_operand when strict >= 0.
4431
44322005-11-11  Steven Bosscher  <stevenb@suse.de>
4433
4434	* loop-invariant.c (move_loop_invariants): Fix a thinko in the
4435	previous checkin.
4436
44372005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4438
4439	* tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4440	(memory_address_same): New.
4441	(dse_optimize_stmt): Call memory_address_same.
4442
44432005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4444
4445	PR middle-end/24750
4446	* reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4447	ZERO_EXTEND>: New cases.
4448
44492005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4450
4451	* longlong.h (__clz_tab): Always provide.
4452
44532005-11-11  Steven Bosscher  <stevenb@suse.de>
4454
4455	PR 24265
4456	* loop-invariant.c (may_assign_reg_p): Make sure a hard register
4457	can be assigned to.
4458	(find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4459	before check_maybe_invariant.
4460	(move_invariant_reg): Use gen_move_insn instead of replacing
4461	SET_DEST with the temporary for the invariant.
4462	(move_loop_invariants): If checking is enabled, do internal
4463	consistency checks after completing the pass.
4464
44652005-11-11  David Edelsohn  <edelsohn@gnu.org>
4466
4467	PR 24644
4468	* common.opt (Wvolatile-register-var): New.
4469	* varasm.c (make_decl_rtl): Only emit warning when option
4470	specified.  Clarify warning message.
4471	* doc/invoke.texi (Wvolatile-register-var): Document new option.
4472
4473	* doc/md.texi (copysign): Document standard named pattern.
4474
44752005-11-11  Jie Zhang  <jie.zhang@analog.com>
4476
4477	* config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4478	bytes when align is 2.
4479	* config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4480	by the first instruction of the loop.
4481
44822005-11-11  Jason Merrill  <jason@redhat.com>
4483
4484	PR c++/24686
4485	* gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4486	the cleanup list.
4487
44882005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4489
4490	PR rtl-optimization/22509
4491	* local-alloc.c (memref_used_between_p): Check whether a function call
4492	could not reference the memref.
4493
44942005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4495
4496	* postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4497	algorithm so as to choose the best, not the worst, alternative.
4498	Reset accumulated register class before processing next alternative.
4499
45002005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4501
4502	PR target/24445
4503	* calls.c (expand_call): Copy a return value to a plain register
4504	if needed.
4505
45062005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4507
4508	PR target/24778
4509	* varasm.c (assemble_name): Recompute name only for transparent
4510	aliases.
4511
45122005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4513
4514	* tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4515
45162005-11-04  Jeff Law  <law@redhat.com>
4517
4518	PR middle-end/23181
4519	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4520	perform reassociation if the parent statement will not die as
4521	a result of the optimization.
4522
45232005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4524
4525	* tree-ssa-alias.c (compute_may_aliases): Remove call to
4526	delete_old_heap_vars.
4527	* tree-dfa.c (referenced_var_remove): Remove function.
4528	* tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4529	(delete_tree_ssa): Remove call to delete_old_heapvars.
4530	Add call to delete_alias_heapvars.
4531	* tree-flow.h (referenced_var_remove): Remove prototype
4532	(init_alias_heapvars): New prototype.
4533	(delete_alias_heapvars): Ditto.
4534	* Makefile.in (tree-ssa-structalias.o): Add
4535	gt-tree-ssa-structalias.o
4536	(GTFILES): Add tree-ssa-structalias.h and
4537	tree-ssa-structalias.c.
4538	(s-gtype): Add gt-tree-ssa-structalias.h.
4539	* tree-ssa-structalias.c (heapvars): Remove.
4540	(oldheapvars): Remove.
4541	(heapvar_for_stmt): New variable.
4542	(heapvar_lookup): New function.
4543	(heapvar_insert): Ditto.
4544	(get_constraint_for): See if we have an old heapvar
4545	to reuse.
4546	(init_alias_heapvars): New function.
4547	(delete_alias_heapvars): Ditto.
4548	Add include of gt-tree-ssa-structalias.h.
4549
45502005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4551
4552	PR middle-end/22127
4553	* calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4554
45552005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4556
4557	* tree.c (int_fits_type_p): Only look at the base type
4558	if it has the same precision as the original type.
4559
45602005-11-10  Jakub Jelinek  <jakub@redhat.com>
4561
4562	PR other/4372
4563	* varasm.c (assemble_alias): Use %q+D in the error
4564	message instead of %J and %qD.
4565
45662005-11-10  Richard Guenther  <rguenther@suse.de>
4567
4568	* gcse.c (free_ldst_entry): Only free hashtable if
4569	it exists.
4570
45712005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4572
4573	* function.c (assign_stack_local_1): Issue an error message if
4574	the frame size overflows in the signed target arithmetics.
4575
45762005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4577
4578	* tree.c (build_qualified_type): Chain the new type to the original
4579	type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4580	a POINTER_TYPE or a REFERENCE_TYPE respectively.
4581	(build_pointer_type_for_mode): Only return unqualified types.
4582	(build_reference_type_for_mode): Likewise.
4583
45842005-11-09  Jakub Jelinek  <jakub@redhat.com>
4585
4586	* Makefile.in (gnucompare): Do comparison of all files using one of
4587	the chosen methods and only afterwards decide if just warning should
4588	be issued or comparison failure raised.
4589
45902005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4591
4592	* ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4593	(noce_try_abs): Negate if the comparison is reversed.
4594	Look only one instruction backwards for a REG_EQUAL note.
4595
45962005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4597
4598	PR other/4372
4599	* gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4600	gthr-tpf.h: Define __gthrw.  For all identifiers that might
4601	be weak, introduce weakrefs or non-weak aliases with __gthrw,
4602	and prefix all uses with __ghtrw.
4603
46042005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4605
4606	PR other/4372
4607	* tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4608	(TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4609	* c-common.c (handle_weakref_attribute): New.
4610	(c_common_attribute_table): Add weakref.
4611	* configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4612	in the assembler.
4613	* configure, config.in: Rebuilt.
4614	* defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4615	* doc/extend.texi: Document weakref attribute.
4616	* varasm.c (ultimate_transparent_alias_target): New
4617	(assemble_name): Use it.
4618	(weak_finish_1): Split out of...
4619	(weak_finish): ... and deal with weakrefs in...
4620	(weakref_targets): ... new list.
4621	(globalize_decl): Clean up weakref_targets.
4622	(do_assemble_alias): Handle weakrefs.
4623	(finish_aliases_1): Do not reject weakrefs to external symbols.
4624	(assemble_alias): Handle weakrefs.
4625
46262005-11-09  Richard Guenther  <rguenther@suse.de>
4627
4628	PR tree-optimization/24716
4629	* tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4630	t_bool to track results from follow_ssa_edge.
4631
46322005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4633
4634	* final.c (force_source_line): New global variable.
4635	(final_scan_insn): Set it to true instead of clearing last_filename.
4636	(notice_source_line): Return true if force_source_line is true,
4637	unless source info is absent.
4638
46392005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4640
4641	PR c/24644
4642	* dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4643	a linkage name for a variable if it a register variable.
4644	* c-decl.c (grokdeclarator): Global register variables
4645	should be set as PUBLIC.
4646
46472005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4648
4649	PR 24624
4650	* config/s390/s390.c (struct s390_frame_layout): New fields
4651	first_save_gpr_slot and last_save_gpr_slot.
4652	(cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4653	s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4654	first_save_gpr and last_save_gpr with the _slot variants.
4655	(s390_register_info): Calculate first_save_gpr_slot and
4656	last_save_gpr_slot using regs_ever_live.
4657
46582005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4659
4660	PR 24623
4661	* config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4662	for a function containing a landing pad.
4663
46642005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4665
4666	PR 24034
4667	* flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4668	is live afterwards.
4669
46702005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4671
4672	* config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4673	MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4674
46752005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4676
4677	Add ms2 support
4678	* config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4679	constants.
4680	(call,load,store): New insn types.
4681	(mem_access, branch_access): Adjust reservation conditions.
4682	(define_delay): Adjust condition.
4683	(decrement_and_branch_until_zero): Allow for ms2.  Set branch
4684	type.
4685	(*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4686	(*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4687	insn type.
4688	(call_internal, call_value_internal, return_internal,
4689	return_interrupt_internal, eh_return_internal, indirect_jump,
4690	tablejump): Set call insn type.
4691	(blockage, ei, di): Use appropriate unspec const.
4692	* config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4693	(ms1_get_attr_type): Adjust to give load & store types.
4694	(ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4695	backwards past a barrier.
4696	(ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4697	branch scheduling.
4698	(struct branch_info, struct label_info): New.
4699	(ms1_labels): New.
4700	(ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4701	(ms1_machine_reorg): New.
4702	(TARGET_MACHINE_DEPENDENT_REORG): Override.
4703	* config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4704	* config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4705	(ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4706	(TARGET_MS2): New.
4707
47082005-11-09  Per Bothner  <per@bothner.com>
4709	    Uros Bizjak  <uros@kss-loka.si>
4710
4711	PR c/24101
4712	* toplev.c (process_options): Initialize debug_hooks early
4713	in case lang_hooks.post_options ends up calling a debug_hook.
4714
47152005-11-08  Jakub Jelinek  <jakub@redhat.com>
4716
4717	* dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4718	DBX_REGISTER_NUMBER being contiguous.
4719
47202005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4721	    Diego Novillo  <dnovillo@redhat.com>
4722
4723	PR 23046
4724	* tree-vrp.c (register_edge_assert_for): Do not register
4725	always-false predicates.
4726
47272005-11-08  Devang Patel <dpatel@apple.com>
4728
4729	PR tree-optimization/23115
4730	* tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4731	relation.
4732
47332005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4734
4735	* config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4736	-mcpu=440.
4737
47382005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4739
4740	Fix PR tree-optimization/23382
4741
4742	* tree-ssa-alias.c (compute_may_aliases): Call
4743	delete_old_heap_vars.
4744	* tree-dfa.c (referenced_var_remove): New function.
4745	* tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4746	* tree-flow.h (referenced_var_remove): Add prototype.
4747	(delete_old_heap_vars): Ditto.
4748	* tree-ssa-structalias.c (heapvars): New variable.
4749	(oldheapvars): Ditto.
4750	(get_constraint_for): Put heap vars on heapvars list.
4751	(delete_old_heap_vars): New function.
4752
47532005-11-08  Jason Merrill  <jason@redhat.com>
4754
4755	* tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4756
47572005-11-08  Uros Bizjak  <uros@kss-loka.si>
4758
4759	PR target/19340
4760	* reg-stack.c (reg_to_stack): Update register liveness also
4761	for flag_sched2_use_traces.
4762
47632005-11-08  Alan Modra  <amodra@bigpond.net.au>
4764
4765	PR target/23704
4766	* config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4767	override prior explicit -mno-powerpc-gfxopt.
4768
47692005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4770
4771	* expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4772	if the bitsize is zero.
4773	* doc/md.texi (Standard Pattern Names): Document it.
4774
4775	* config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4776	(TARGET_PASS_BY_REFERENCE): Likewise.
4777
47782005-11-07  Ian Lance Taylor  <ian@airs.com>
4779
4780	PR rtl-optimization/24683
4781	* config/i386/i386.c (legitimize_pic_address): If constant operand
4782	to PLUS is too large, put it in a register.
4783
47842005-11-07  Jie Zhang  <jie.zhang@analog.com>
4785
4786	* configure.ac: Enable checking assembler dwarf2 support for bfin
4787	target.
4788	* configure: Regenerate.
4789
47902005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4791
4792	PR target/24230
4793
4794	* config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4795	gen_easy_vector_constant_add_self): Delete.
4796	(vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4797	New.
4798	(output_vec_const_move): Use gen_easy_altivec_constant.
4799	(rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4800	* config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4801	(easy_vector_constant_add_self): Rewritten.
4802	* config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4803	easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4804	(easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4805	* config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4806	Macroize and adjust for the other changes.
4807
48082005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4809
4810	PR c/24599
4811
4812	* c-typeck.c (build_c_cast): Try using a shared constant, and see
4813	if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4814
48152005-11-07  Jakub Jelinek  <jakub@redhat.com>
4816
4817	PR rtl-optimization/23567
4818	* ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4819	(noce_process_if_block): Don't do any optimizations except
4820	if (cond) x = x; if !set_b and write into orig_x may trap
4821	or fault.  Remove the MEM_READONLY_P check.
4822
48232005-11-06  Diego Novillo  <dnovillo@redhat.com>
4824
4825	PR 24670
4826	* tree-vrp.c (fix_equivalence_set): New.
4827	(extract_range_from_assert): Call it.
4828
48292005-11-05  Ian Lance Taylor  <ian@airs.com>
4830
4831	PR target/22432
4832	* combine.c (apply_distributive_law): Don't distribute across a
4833	vector mode subreg.
4834
48352005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4836
4837	* c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4838	config/ms1/ms1.h, config/rs6000/predicates.md,
4839	config/s390/s390.c, params.def, postreload-gcse.c,
4840	tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4841	tree-vrp.c, tree.c: Fix comment typos.
4842	* doc/invoke.texi: Fix typos.
4843
48442005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4845
4846	* lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4847	for testing whether the data_dependence_relation contains distance
4848	vectors.  Iterate over all distance vectors of the ddr.
4849	* lambda.h: Define a vec of lambda_vector pointers.
4850	* tree-data-ref.c (dump_data_dependence_relation,
4851	dump_data_dependence_direction): Iterate over all distance and
4852	direction vectors of the ddr.
4853	(initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4854	DDR_DIST_VECTS.
4855	(build_classic_dist_vector, build_classic_dir_vector): Push a set
4856	of distance/direction vectors instead of a single one.
4857	* tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4858	lambda_vectors with a vec of lambda_vectors.
4859	(DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4860	(DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4861	DDR_NUM_DIST_VECTS): New.
4862	* tree-loop-linear.c (gather_interchange_stats): Test for the
4863	existence of distance vectors only after having checked that there
4864	is a dependence.  Iterate over all distance vectors of the ddr.
4865	(linear_transform_loops): Use dump_data_dependence_relation.
4866	* tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4867	distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4868	distance vectors of the ddr.
4869
48702005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4871
4872	* config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4873	expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4874	IS_INTHANDLER; all callers changed.
4875	(n_regs_saved_by_prologue): Take interrupt handler attributes into
4876	account.
4877	(do_link, do_unlink): New argument ALL; all callers changed.
4878	(expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4879	If function isn't leaf, save and restore all registers.
4880	(bfin_function_ok_for_sibcall): Only true if not an interrupt or
4881	exception handler.
4882
48832005-11-05  Jan Hubicka  <jh@suse.cz>
4884
4885	PR rtl-optimization/23490
4886	* doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4887	max-flow-memory-location): Document.
4888	* flow.c: Include params.h
4889	(MAX_MEM_SET_LIST_LEN): Kill.
4890	(add_to_mem_set_list): Use new param.
4891	* cse.c (cse_basic_block): Replace 1000 by new param.
4892	* params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4893	PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4894	* predict.c (predict_loops): Use new param.
4895	* predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4896
4897	* ipa-inline.c (cgraph_decide_inlining_of_small_function,
4898	cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4899	Do not hold memory returned by cgraph_node_name across other call.
4900
49012005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4902
4903	PR target/23424
4904	* config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4905	Disable.
4906
49072005-11-04  Jeff Law  <law@redhat.com>
4908
4909	PR/21883
4910	* doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4911	* tree-ssa-dom.c: Include params.h.
4912	(thread_across_edge): If there are too many statements in the
4913	target block, then do not thread through it.
4914	* Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4915	* params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4916
49172005-11-03  Diego Novillo  <dnovillo@redhat.com>
4918
4919	PR 24627
4920	* tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4921	TODO_update_ssa instead of TODO_update_ssa_no_phi.
4922
49232005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4924
4925	PR/18595
4926	* tree-scalar-evolution.c (instantiate_parameters_1,
4927	instantiate_parameters, resolve_mixers): Compute the size of an
4928	expression to be instantiated and give up the instantiation if the
4929	size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4930
49312005-11-04  Richard Guenther  <rguenther@suse.de>
4932
4933	* tree-flow.h (ref_contains_indirect_ref): Rename to
4934	array_ref_contains_indirect_ref.
4935	* tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4936	(array_ref_contains_indirect_ref): Make comment match the code
4937	and vice-versa.
4938	(ref_contains_array_ref): Likewise.
4939	* tree-ssa-structalias.c (find_func_aliases): Remove call to
4940	ref_contains_indirect_ref.
4941	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4942	Rename calls to ref_contains_indirect_ref.
4943
49442005-11-04 Paul Brook  <paul@codesourcery.com>
4945
4946	* config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4947	gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4948	(arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4949	* config/arm/arm.md: Use match_operand in peephole input templates
4950	and match_dup in peephole output templates.
4951
49522005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4953
4954	* config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4955	__aeabi_uidiv.
4956
49572005-11-04  Mark Mitchell  <mark@codesourcery.com>
4958	    Daniel Jacobowitz  <dan@codesourcery.com>
4959
4960	* longlong.h (add_ssaaaa): Clobber condition code register
4961	in ARM version.
4962	(sub_ddmmss): Likewise.
4963	(umul_ppmm): Likewise.
4964
49652005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4966	    Paul Brook  <paul@codesourcery.com>
4967	    Phil Blundell  <pb@reciva.com>
4968
4969	* configure.ac: Add test for ARM TLS support.
4970	* configure: Regenerated.
4971	* config/arm/arm-protos.h (legitimize_tls_address)
4972	(arm_tls_referenced_p, tls_mentioned_p)
4973	(arm_output_addr_const_extra): New prototypes.
4974	(thumb_legitimize_pic_address): Delete.
4975	* config/arm/arm.c: Include "gt-arm.h".
4976	(enum tls_reloc): New.
4977	(arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4978	(pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4979	(arm_call_tls_get_addr, legitimize_tls_address)
4980	(arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4981	(arm_init_tls_builtins, arm_emit_tls_decoration)
4982	(arm_output_addr_const_extra): New functions.
4983	(TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4984	(TARGET_HAVE_TLS): Define.
4985	(target_thread_pointer): New.
4986	(arm_override_options): Handle -mtp=.
4987	(legitimize_pic_address): Ignore UNSPECs.
4988	(arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4989	relative symbols.
4990	(arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4991	(tls_get_addr_libfunc): New variable.
4992	(symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4993	(arm_init_builtins): Call arm_init_tls_builtins.
4994	(arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4995	(arm_encode_section_info): Call default_encode_section_info.
4996	* config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4997	(enum arm_tp_type): New.
4998	(target_thread_pointer): Add declaration.
4999	(LEGITIMATE_CONSTANT_P): Handle TLS.
5000	(LEGITIMATE_PIC_OPERAND_P): Handle TLS.
5001	(OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
5002	(enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
5003	* config/arm/arm.md: Add UNSPEC_TLS.
5004	(movsi): Handle TLS.
5005	(pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
5006	non-PIC.
5007	(tls_load_dot_plus_eight): New insn and a peephole to create it.
5008	(load_tp_hard, load_tp_soft): New insns.
5009	* arm.opt: Add -mtp=.
5010	* doc/invoke.texi (ARM Options): Document -mtp.
5011
50122005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
5013
5014	* config/arm/lib1funcs.asm: Don't include "libunwind.S".
5015	* config/arm/libunwind.S: Include "lib1funcs.asm".
5016	* config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
5017	(LIB2ADDEH): Add libunwind.S.
5018	(LIB2ADDEHDEP): Add lib1funcs.asm.
5019	* mklibgcc.in: Handle asm files in libgcc_eh.a.
5020
50212005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5022
5023	PR fortran/18452
5024	* c.opt: Add a -lang-fortran option.
5025	* c-opts.c: Add a lang_fortran flag.
5026	(c_common_init_options): Handling the -lang-fortran option.
5027	(c_common_handle_option): Add a case for Fortran options in
5028	preprocessing. Remove cases for -ffixed-form and
5029	-ffixed-line-length. Add a case for -lang-fortran.
5030
50312005-11-03  David Edelsohn  <edelsohn@gnu.org>
5032
5033	* config/rs6000/rs6000.c: Include params.h
5034	(optimization_options): Set max-grow-copy-bb-insns default to 16.
5035	(bdesc_2arg): Delete vpkuhss and vpkuwss.
5036	* config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
5037	(UNSPEC_VPKUWSS): Delete.
5038	(altivec_vpkuhss): Delete.
5039	(altivec_vpkuwss): Delete.
5040	* config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
5041	final condition.
5042	(neg_eq0<mode>): Remove final condition.
5043	(neg_eq<mode>): Remove condition and split-condition.
5044
50452005-11-04  Alan Modra  <amodra@bigpond.net.au>
5046
5047	* config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
5048	Use associated print macros.
5049
50502005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5051
5052	PR c++/17964
5053	* diagnostic.c (diagnostic_set_info_translated): New function.
5054	(diagnostic_set_info): Use it.  Add comment.
5055	* diagnostic.h (diagnostic_set_info_translated): Declare.
5056
50572005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
5058
5059	* dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
5060	On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
5061	reference only if 'public' is true.
5062	(dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
5063	emit the .hidden directive only if the indirect reference is public.
5064	(dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
5065	Pass it to dw2_force_const_mem.
5066	* dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
5067	* dwarf2out.c (output_cfi): Adjust calls to above function.
5068	(output_call_frame_info): Likewise.
5069	* except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
5070	as 'public' argument to dw2_asm_output_encoded_addr_rtx.
5071
50722005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
5073
5074	PR tree-optimization/24483
5075	* tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
5076	field to elts if possible.
5077
50782005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5079
5080	PR middle-end/23155
5081	* gimplifier.c (gimplify_expr): Create a temporary for lvalue
5082	CONSTRUCTOR.
5083
50842005-11-03  Daniel Berlin  <dberlin@dberlin.org>
5085
5086	Fix PR tree-optimization/24351
5087
5088	* tree-ssa-structalias.c (struct variable_info): Add
5089	collapsed_into.
5090	(get_varinfo_fc): New function to follow collapsing.
5091	(new_var_info): Set collapsed_to to NULL.
5092	(dump_constraint): Follow collapsing.
5093	(build_constraint_graph): Handle collapsing.
5094	(do_simple_structure_copy): Return false if something bad
5095	happened.
5096	(collapse_rest_of_var): New function.
5097	(do_structure_copy): Collapse if do_simple_structure_copy returns
5098	false.
5099
51002005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5101
5102	PR middle-end/24589
5103	* gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
5104	expressions to a statement list instead of gimplifying them.
5105
51062005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5107
5108	PR rtl-optimization/23585
5109	* rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
5110	that can't trap plus a constant integer, if the mode has zero size.
5111
51122005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
5113
5114	PR target/24620
5115	* config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
5116	as operand 2.
5117	("*insv<mode>_reg_extimm"): Likewise.
5118
51192005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5120
5121	PR c/24329
5122	* c-pretty-print.c (pp_c_type_specifier): Do not recurse if
5123	c_common_type_for_mode returns an unnamed type.
5124
51252005-11-02  Richard Henderson  <rth@redhat.com>
5126
5127	PR target/9350
5128	PR target/24374
5129	* dwarf2out.c (dwarf2out_reg_save_reg): New.
5130	(dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
5131	* function.c (assign_parms): Use calls.internal_arg_pointer.
5132	(expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
5133	code.
5134	* target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
5135	(TARGET_CALLS): Add it.
5136	* target.h (struct gcc_target): Add calls.internal_arg_pointer.
5137	* targhooks.c (default_internal_arg_pointer): New.
5138	* targhooks.h (default_internal_arg_pointer): Declare.
5139	* tree.h (dwarf2out_reg_save_reg): Declare.
5140	* doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
5141	* config/i386/i386.c (dbx_register_map): Add return column.
5142	(dbx64_register_map, svr4_dbx_register_map): Likewise.
5143	(TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
5144	(TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
5145	(ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
5146	(ix86_save_reg): Save force_align_arg_pointer.
5147	(ix86_emit_save_regs): Make regno unsigned.
5148	(ix86_emit_save_regs_using_mov): Likewise.
5149	(ix86_expand_prologue): Handle force_align_arg_pointer.
5150	(ix86_expand_epilogue): Likewise.
5151	* config/i386/i386.h: (dbx_register_map): Update.
5152	(dbx64_register_map, svr4_dbx_register_map): Update.
5153	(struct machine_function): Add force_align_arg_pointer.
5154	* config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
5155	(UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
5156	(TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
5157
51582005-11-02  Jan Hubicka  <jh@suse.cz>
5159
5160	PR target/23303
5161	* i386.md: Add peep2 for simplyfing array accesses.
5162
51632005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5164
5165	PR target/24615
5166	* config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
5167	* config/s390/s390.c (s390_decompose_shift_count): New function.
5168	(s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
5169	(print_shift_count_operand): Use s390_decompose_shift_count.
5170	* config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
5171	Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
5172
51732005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5174
5175	PR target/24600
5176	* loop.c (loop_givs_rescan): Use force_operand to expand
5177	complex GIVs.
5178
51792005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
5180
5181	PR 22429
5182	* fold-const.c (build_range_check): Use unsigned when signed
5183	overflow is undefined also.  If etype is subtype, make sure that
5184	the subtraction is in the supertype.
5185
51862005-11-02  Richard Henderson  <rth@redhat.com>
5187
5188	PR target/24178
5189	* config/alpha/alpha.c (get_aligned_mem): Honor alignment given
5190	by MEM_ALIGN.
5191
51922005-11-01  Richard Henderson  <rth@redhat.com>
5193
5194	PR 21518
5195	* loop.c (scan_loop): Do not propagate computations to a hard
5196	register destination with SMALL_REGISTER_CLASSES.
5197
51982005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
5199
5200	* config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5201	costs for MULT inside PLUS or MINUS.
5202
52032005-11-01  Bob Wilson  <bob.wilson@acm.org>
5204
5205	* config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5206	(TRAMPOLINE_SIZE): Round up to 60.
5207	* config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5208
52092005-10-31  James E. Wilson  <wilson@specifix.com>
5210
5211	PR debug/24444
5212	* dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5213	ifdef.  Put ifdefs around call in gen_subprogram_die.
5214	(compute_frame_pointer_to_cfa_displacement): Likewise.
5215	(gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5216	not defined.
5217
5218	PR rtl-optimization/17356
5219	*  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5220	add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5221
52222005-10-31  Jan Hubicka  <jh@suse.cz>
5223
5224	PR middle-end/24093
5225	* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5226
5227	PR target/20928
5228	* i386.c (legitimize_pic_address): Deal with large immediates.
5229
5230	PR profile/20815
5231	* coverage.c (coverage_checksum_string): Fix code to stip random seeds
5232	from symbol names while computing checkup.
5233
5234	PR profile/24487
5235	* predict.c (predict_loops): Do not estimate more than
5236	MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5237	* predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5238
52392005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5240
5241	PR tree-optimization/19097
5242	* tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5243
52442005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5245
5246	* optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5247
52482005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5249
5250	PR middle-end/23492
5251	* tree-inline.c (setup_one_parameter): If the init_stmt
5252	is NULL, don't insert the statement.
5253
52542005-10-30  Jan Hubicka  <jh@suse.cz>
5255
5256	PR tree-optimization/24172
5257	* tree-inline.c (copy_body_r): Unshare the substituted value first.
5258
52592005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5260
5261	* config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5262	constants for hosts with long != 32 bits.
5263
52642005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5265
5266	PR middle-end/24093
5267	* ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5268
52692005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5270
5271	* config/ms1/ms1.h (TARGET_MS1_64_001): New.
5272	(TARGET_MS1_16_002): New.
5273	(TARGET_MS1_16_003): New.
5274
5275	* config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5276	("*decrement_and_branch_until_zero_no_clobber"): New.
5277	Add corresponding splitter for decrement_and_branch_until_zero
5278	instruction.
5279	Key all decrement_and_branch_until_zero patterns off of
5280	TARGET_MS1_16_003.
5281
52822005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5283
5284	PR middle-end/24362
5285	* tree-complex.c (extract_component): Treat RESULT_DECL
5286	like the rest of the decls.
5287
52882005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5289
5290	* config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5291	indirect call to _mcount if the function needs a static chain.
5292
52932005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5294	    Caroline Tice  <ctice@apple.com>
5295
5296	PR rtl-optimization/24460
5297	* dwarf2out.c (have_switched_text_sections): New boolean variable.
5298	(dwarf2out_switch_text_section): Set it to true instead of
5299	incrementing separate_line_info_table_in_use.
5300	(output_loc_list): Additionally test have_switched_text_sections.
5301	(output_ranges): Likewise.
5302	(dwarf2out_finish): Likewise.
5303	* varasm.c (assemble_start_function): Do not call
5304	insert_section_boundary_note.
5305	(assemble_end_function): If flag_reorder_blocks_and_partition,
5306	switch to the function's section before emitting the .size directive.
5307	* bb-reorder.c (insert_section_boundary_note): Staticify.
5308	(rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5309	* output.h (insert_section_boundary_note): Delete.
5310
53112005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5312
5313	PR c/23103
5314	* c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5315	instead of pointer equality when comparing types.
5316
53172005-10-24  James E. Wilson  <wilson@specifix.com>
5318
5319	* sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5320	add_dependence_list_and_free calls.
5321
53222005-10-24  Steven Bosscher  <stevenb@suse.de>
5323
5324	* contrib.texi: Add the names of the LLNL folks who donated
5325	Cray pointer support for gfortran.
5326
53272005-10-24  Steven Bosscher  <stevenb@suse.de>
5328
5329	PR tree-optimization/24225
5330	* profile.c (branch_prob): Look from end to start through a
5331	basic block when looking for a locus.
5332
53332005-10-24  Richard Henderson  <rth@redhat.com>
5334
5335	* pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5336	parallel.
5337	(hppa_expand_prologue): Likewise.
5338
53392005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5340
5341	* pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5342	(NO_DEFERRED_PROFILE_COUNTERS): Define.
5343	* pa.h (NO_PROFILE_COUNTERS): Define.
5344	* pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5345	(funcdef_nos): New vector to hold label numbers of deferred profile
5346	counters.
5347	(output_deferred_profile_counters): New function.
5348	(hppa_profile_hook): Push label number onto funcdef_nos.
5349	(pa_hpux_file_end): Call output_deferred_profile_counters if
5350	NO_DEFERRED_PROFILE_COUNTERS is false.
5351
5352	* pa-protos.h (get_deferred_plabel): New prototype.
5353	* pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5354	Make global.
5355	(output_call): Adjust calls.
5356
53572005-10-24  Alan Modra  <amodra@bigpond.net.au>
5358
5359	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5360	peculiarity of GOT/TOC section usage.
5361
53622005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5363
5364	PR objc/24435
5365	 * c-common.c (constant_string_class_name): Add documentation.
5366
53672005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5368
5369	PR target/23832
5370	* recog.c (peephole2_optimize): Increment peep2_current_count
5371	only when the slot is empty.
5372
53732005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5374
5375	PR ada/23957
5376	* except.c (output_function_exception_table): Call
5377	assemble_external_libcall if we need a personality function.
5378
53792005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5380
5381	PR rtl-optimization/24460
5382	* bb-reorder.c (fix_crossing_unconditional_branches): Do not
5383	set the basic block for barriers.
5384
53852005-10-21  Janis Johnson  <janis187@us.ibm.com>
5386
5387	* var-tracking.c (vt_initialize): Initialize post.
5388
53892005-10-21  Devang Patel  <dpatel@apple.com>
5390
5391	PR/24220
5392	* c-common.c (vector_types_convertible_p): Check vector element type.
5393
53942005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5395
5396	* config/sh/sh.c (prepare_move_operands): Handle the address
5397	constant which is a tls symbolic address plus a constant.
5398
53992005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5400
5401	PR driver/24473
5402	* gcc.c (main): Use the correct counter for erroring out
5403	about mulitple files.
5404
54052005-10-21  Alan Modra  <amodra@bigpond.net.au>
5406
5407	PR target/24465
5408	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5409	use r2 for 64-bit tls .got access.
5410
54112005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5412
5413	* dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5414	TRUTH_OR_EXPR.
5415
54162005-10-20  Steven Bosscher  <stevenb@suse.de>
5417
5418	PR tree-optimization/24307
5419	* tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5420
54212005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5422
5423	PR middle-end/24295
5424	* cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5425	alias targets.
5426	* varasm.c (find_decl_and_mark_needed): After cgraph global info
5427	is ready, stop marking functions, but still mark variables.
5428
54292005-10-20  Richard Guenther  <rguenther@suse.de>
5430
5431	PR c++/24439
5432	* fold-const.c (invert_truthvalue): Handle COND_EXPR with
5433	void type operands.
5434
54352005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5436
5437	PR rtl-optimization/23585
5438	* rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5439	(rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5440	(may_trap_p_1): New predicate extracted from...
5441	(may_trap_p): ... here.  Invoke may_trap_p_1.
5442	(may_trap_or_fault_p): New predicate.
5443	* rtl.h (may_trap_or_fault_p): Declare it.
5444	* reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5445	instead of may_trap_p.
5446	(steal_delay_list_from_fallthrough): Likewise.
5447	(fill_simple_delay_slots): Likewise.
5448	(fill_slots_from_thread): Likewise.
5449	* function.c (pad_to_arg_alignment): Rework comment about
5450	SPARC_STACK_BOUNDARY_HACK.
5451	* config/sparc/sparc.h: Likewise.
5452
54532005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5454
5455	* config/s390/s390.c (s390_expand_insv): New.
5456	* config/s390/s390-protos.h (s390_expand_insv): Declare.
5457	* config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5458	("icm_hi"): Remove mode attribute.
5459	("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5460	Adjust all uses.
5461	("*extracthi", "*extractqi"): Remove.
5462	(extv<mode>", "*extzv<mode>"): New.
5463	("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5464	"*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5465
54662005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5467
5468	* cfgexpand.c (discover_nonconstant_array_refs_r,
5469	discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5470	(tree_expand_cfg): Call discover_nonconstant_array_refs.
5471	* tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5472	discover_nonconstant_array_refs.
5473
54742005-10-19  Steven Bosscher  <stevenb@suse.de>
5475
5476	PR c/23228
5477	* c-decl.c (pop_scope): Don't warn about an unused variable
5478	if it is marked with TREE_NO_WARNING.
5479	(duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5480	somenow mismatch and olddecl is to be replaced.
5481
54822005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5483
5484	PR middle-end/23199
5485	* cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5486	whether registers live on the edge can be saved/restored.
5487
54882005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5489
5490	* config/sh/sh.c (fixup_mova): Skip notes.
5491
54922005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5493
5494	* config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5495	* config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5496	(s390_can_eliminate): Handle BASE_REGNUM elimination.
5497	(s390_initial_elimination_offset): Likewise.
5498	(s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5499	register on TARGET_ZARCH targets.
5500	* config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5501	(INITIAL_FRAME_POINTER_OFFSET): Remove.
5502	(REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5503	(ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5504
55052005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5506
5507	* config/s390/s390.md: Comment describing output modifiers updated.
5508	* config/s390/s390.c (print_operand): Likewise.
5509
55102005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5511
5512	* config/s390/s390.c (override_options): Added check for -mstack-size
5513	64k limitation.
5514	* doc/invoke.texi: Mention that limit in the documenation.
5515
55162005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5517
5518	PR #19672
5519	* dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5520
55212005-10-18  Daniel Berlin <dberlin@dberlin.org>
5522
5523	Fix PR tree-optimization/24231
5524
5525	* tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5526	(compute_avail): Ditto.
5527
55282005-10-18  Richard Henderson  <rth@redhat.com>
5529
5530	PR target/24428
5531	* config/i386/i386.c (legitimate_constant_p): Check
5532	SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5533	if LABEL_REF.
5534	(legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5535	(legitimate_pic_address_disp_p): Reorg CONST checking to make
5536	sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5537	directly.
5538	(print_operand_address): Likewise.
5539	* config/i386/predicates.md (x86_64_immediate_operand): Test
5540	SYMBOL_REF_TLS_MODEL properly inside CONST.
5541	(x86_64_zext_immediate_operand): Likewise.
5542	(global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5543	initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5544	* config/i386/i386-protos.h: Remove predicates.md entries.
5545
55462005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5547
5548	* config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5549	Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5550
55512005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5552	    Ian Lance Taylor <ian@airs.com>
5553
5554	PR middle-end/23522
5555	* fold-const.c (fold_widened_comparison): Do not allow range based
5556	constant folding when right operand cannot be unwidened.
5557
55582005-10-17  Richard Henderson  <rth@redhat.com>
5559
5560	* builtins.c (expand_builtin_synchronize): Build a new-style asm
5561	with a memory clobber.
5562
55632005-10-17  James E Wilson  <wilson@specifix.com>
5564
5565	PR rtl-optimization/17356
5566	* cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5567	checking for EDGE_EH.
5568
55692005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5570
5571	* config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5572	the slot on an even boundary for any type with 16-byte alignment.
5573
55742005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5575
5576	PR target/23424
5577	* md.texi (Modifiers) <%>: Clarify that % doesn't work
5578	after register allocation.
5579
55802005-10-17  DJ Delorie  <dj@redhat.com>
5581
5582	* config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5583	as frame related.
5584
55852005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5586
5587	PR c++/22551
5588	* c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5589	overflow flags.
5590
55912005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5592
5593	* config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5594	to 2 if it's already non-zero.
5595	(OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5596	is set and warn about it if flag_schedule_insns is 1.
5597
55982005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5599
5600	* config/crx/crx.md: Compare-and-branch instructions need to
5601	invalidate CC.
5602
56032005-10-17  Uros Bizjak  <uros@kss-loka.si>
5604
5605	PR target/24315
5606	* config/i386/i386.md (*pushdi2_rex64 splitter)
5607	(*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5608	(*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5609	flow2 pass only when (optimize > 0 && flag_peephole2).
5610
56112005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5612
5613	PR driver/22544
5614	* gcc.c (have_c): New static variable.
5615	(have_o): Likewise.
5616	(process_command): Remove declation of have_c.
5617	Set have_o to 1 when handling -o.
5618	(main): Add a fatel error if there are multiple
5619	files specified and -o and -c/-S is passed witout
5620	-combine or multiple languages.
5621
56222005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5623
5624	Fix PR tree-optimization/22444
5625	* tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5626	Assert that we don't hit something with subvars.
5627	(setup_pointers_and_addressables): Don't add things with subvars,
5628	because we'll already process the subvars for aliasing purposes.
5629
56302005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5631
5632	PR target/23424
5633	* config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5634	("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5635	("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5636	("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5637	("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5638	swapped, alternatives for the R constraint.
5639
5640	PR middle-end/24341
5641	* builtins.c (get_builtin_sync_mode): Make unlimited
5642	mode_for_size request.
5643
56442005-10-15  Richard Henderson  <rth@redhat.com>
5645
5646	* gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5647	(gimplify_expr): ... here.
5648	(gimplify_compound_lval): Use it in initial scan loop.  Allow
5649	fb_lvalue in base expression.
5650
56512005-10-15  Richard Henderson  <rth@redhat.com>
5652
5653	PR 23714
5654	* builtins.c (expand_builtin_trap): Export.
5655	* expr.h (expand_builtin_trap): Declare.
5656	* expr.c (expand_assignment): Emit a trap for integral offsets
5657	from registers that weren't reduced to bitpos.
5658
5659	* tree-cfg.c (mark_array_ref_addressable_1): Remove.
5660	(mark_array_ref_addressable): Remove.
5661	* tree-flow.h (mark_array_ref_addressable): Remove.
5662	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5663
56642005-10-15  James E Wilson  <wilson@specifix.com>
5665
5666	PR target/24232
5667	* sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5668	(add_dependence_list_and_free): Likewise.
5669	(sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5670	call.
5671
56722005-10-15  Diego Novillo  <dnovillo@redhat.com>
5673
5674	PR 23141
5675	PR 23142
5676	* tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5677	sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5678	anti-range.
5679	(vrp_visit_phi_node): Only prevent infinite iterations when
5680	the previous result and the new result are both VR_RANGEs.
5681
56822005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5683
5684	* tree-into-ssa.c (mark_def_sites): Correct minor typo in
5685	function comment.
5686
56872005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5688
5689	PR c/23439
5690	* c-parser.c (c_parser_for_statement): Use location of RID_FOR
5691	to initialize loc.
5692
56932005-10-14  Per Bothner  <per@bothner.com>
5694
5695	PR preprocessor/21250
5696	* c-ppoutput.c (print_line): Print internal line 0 as 1.
5697
56982005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5699
5700	PR c++/22551
5701	* c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5702	overflow flags.  Refactor some conditionals.
5703
57042005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5705
5706	PR tree-opt/21304
5707	* tree-dfa.c (add_referenced_var): Only look at decls which
5708	have TREE_CONSTANT or TREE_READONLY set instead of if
5709	!TREE_PUBLIC or !TREE_CONSTANT.
5710
57112005-10-13  James E Wilson  <wilson@specifix.com>
5712
5713	* doc/invoke.texi: For -x, add f95-cpp-input.
5714	* doc/install.texi: For --enable-languages doc, change f95 to fortran.
5715
57162005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5717
5718	PR tree-optimization/24262
5719	* tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5720	in loop all the time.
5721
57222005-10-12  Richard Henderson  <rth@redhat.com>
5723
5724	PR c/24255
5725	* tree.h (DECL_TRANSPARENT_UNION): Remove.
5726	* function.c (assign_parm_find_data_types): Don't support it.
5727	* print-tree.c (print_node): Likewise.
5728	* c-common.c (handle_transparent_union_attribute): Likewise.
5729	Use build_duplicate_type.
5730	* tree-inline.c (remap_type_1): Split out of remap_type;
5731	properly remap aggregate fields.
5732	(build_duplicate_type): New.
5733	* doc/extend.texi (Variable Attributes): Remove documentation
5734	for transparent_union.
5735
57362005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5737
5738	PR target/24284
5739	* config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5740	(gen_stack_pointer_dec): Likewise.
5741
57422005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5743
5744	PR middle-end/21275
5745	PR middle-end/21766
5746	* target.h (struct gcc_target): Add valid_dllimport_attribute_p
5747	target hook.
5748	(struct cxx): Add adjust_class_at_definition target hook.
5749	* target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5750	defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5751	(TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5752	hook_void_tree. Add to TARGET_CXX.
5753	* tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5754	dllimport_flag.
5755	(DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5756	* tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5757	instead of attribute. Check for dllexport override.  Warn if
5758	inconsistent dll linkage. Don't lose old dllimport if decl has
5759	had address referenced.  Tweak lookup of dllimport atribute.
5760	(handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5761	for target specific rules.  Don't add dllimport attribute if
5762	DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5763	dllimport attribute.
5764	(staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5765	* varasm.c (initializer_constant_valid_p): Replace
5766	DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5767
5768	PR target/21801
5769	PR target/23589
5770	* config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5771	'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5772	(i[34567]86-*-mingw32*): Likewise.
5773
5774	* doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5775	(TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5776
5777	* config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5778	C++-specific code. Change return value to bool.
5779	(i386_pe_dllimport_p): Likewise.
5780	(associated_type): Simplify and make language-independent
5781	(i386_pe_encode_section_info): Replace override of ambiguous
5782	dllimport symbol refs with a gcc_assert.
5783	(i386_pe_valid_dllimport_attribute_p): Define.
5784	* config/i386/winnt-cxx.c: New file. Define C++ versions of
5785	i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5786	i386_pe_adjust_class_at_definition.
5787	* config/i386/winnt-stubs.c: New file. Define stub versions of
5788	lang-specific functions.
5789	* config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5790	i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5791	i386_pe_adjust_class_at_definition.
5792	(i386_pe_valid_dllimport_attribute_p): Declare.
5793	* config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5794	(TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5795	* config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5796
5797	PR target/19704
5798	* config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5799	dllimport attribute with test of DECL_DLLIMPORT_P.
5800
58012005-10-12  Adrian Straetling <straetling@de.ibm.com>
5802
5803	* combine.c (make_extraction): Correct offset computation.
5804
58052005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5806
5807	* config/cris/t-linux (LIMITS_H_TEST): Define.
5808
58092005-10-12  Richard Henderson  <rth@redhat.com>
5810
5811	PR rtl-opt/23324
5812	* cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5813
58142005-10-12  Richard Guenther  <rguenther@suse.de>
5815
5816	* Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5817
58182005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5819
5820	PR c++/19964
5821	* stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5822	DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5823	type.
5824
58252005-10-12  Richard Guenther  <rguenther@suse.de>
5826
5827	PR c++/23799
5828	* varasm.c (output_constant): Correct typo from previous
5829	patch by DJ.
5830
58312005-10-11  Ian Lance Taylor  <ian@airs.com>
5832
5833	PR rtl-optimization/13931
5834	* combine.c: Revert patch of 2003-05-14, and:
5835	(try_combine): Only set elim_i1 and elim_i2 if the destination is
5836	completely killed in the appropriate insn.
5837	(distribute_notes): Don't skip multiple hard register test for
5838	elim_i1 and elim_i2.
5839
58402005-10-11  Richard Henderson  <rth@redhat.com>
5841
5842	PR c/24255
5843	* c-typeck.c (convert_for_assignment): Use build_constructor_single
5844	to initialize a transparent union instead of a nop_expr.
5845
58462005-10-11  Richard Henderson  <rth@redhat.com>
5847
5848	* Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5849	* tree-ssa-dce.c: Include tree-scalar-evolution.h.
5850	(tree_ssa_dce_loop): Call scev_reset.
5851
5852	PR tree-opt/24300
5853	* Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5854	* tree-ssa-dce.c: Include cfgloop.h.
5855	(tree_ssa_dce_loop, pass_dce_loop): New.
5856	* tree-pass.h (pass_dce_loop): Declare it.
5857	* passes.c (init_optimization_passes): Use it.
5858
58592005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5860
5861	PR middle-end/24263
5862	* convert.c (convert_to_real): Revert 2005-10-05 patch.
5863	Only apply the optimization for rounding builtins if the inner
5864	cast is also an extension.
5865
58662005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5867
5868	PR tree-opt/23946
5869	* tree-ssa-ccp.c (execute_fold_all_builtins): Call
5870	mark_new_vars_to_rename instead of update_stmt.
5871
58722005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5873
5874	* config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5875
58762005-10-11  Jakub Jelinek  <jakub@redhat.com>
5877
5878	* config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5879	for setting MMX register to 0 rather than mmx.
5880
58812005-10-10  Mark Mitchell <mark@codesourcery.com>
5882
5883	* toplev.c (check_global_declaration_1): Robustify.
5884
58852005-10-10  Steve Ellcey  <sje@cup.hp.com>
5886
5887	PR target/12098
5888	* configure.ac: Move gas check from mips specific case to common case.
5889	Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5890	* configure: Regenerate
5891	* doc/install.texi: Update.
5892
58932005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5894
5895	PR target/24284
5896	* config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5897
58982005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5899
5900	* gcc.c (do_spec_1): Accept numeric characters in file name
5901	suffixes.
5902
59032005-10-10  Nick Clifton  <nickc@redhat.com>
5904
5905	* config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5906	describing the deleted arm_gen_rotated_half_load function.
5907
59082005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5909
5910	* config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5911	__fpscr_values.
5912
59132005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5914
5915	* config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5916	gnu_ld assignments.
5917	* config/arm/t-linux-eabi (LIB1ASMFUNCS)
5918	(EXTRA_MULTILIB_PARTS): Define.
5919	* config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5920	(STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5921	(LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5922	* config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5923	(STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5924	(LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5925
59262005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5927
5928	PR tree-optimization/24226
5929	* tree-cfg.c (remove_bb): Clean up unreachable loops.
5930	* tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5931	* tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5932	Export.
5933
59342005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5935
5936	* config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5937
59382005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5939
5940	PR target/24136
5941	* config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5942	Rewrite for no need for the early clobber.
5943
59442005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5945
5946	Merge from csl-arm-branch:
5947	2005-09-07  Paul Brook  <paul@codesourcery.com>
5948	* config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5949	space to string.
5950
5951	2005-04-30  Paul Brook  <paul@codesourcery.com>
5952	* config/arm/bpabi.h (TARGET_DEFAULT): Define.
5953	* config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5954
5955	2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5956	* config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5957	(arm_override_options): Use TARGET_AAPCS_BASED.
5958	* config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5959	(PTRDIFF_TYPE): Use int for AAPCS.
5960	(DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5961	* config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5962	(DEFAULT_SHORT_ENUMS): Delete.
5963	* doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5964
5965	2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5966	* config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5967	* config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5968	* config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5969
5970	2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5971	* config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5972
5973	2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5974	* config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5975
5976	2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5977	* config.gcc (arm*-*-linux-gnueabi): Add it.
5978	* config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5979	redefining it.
5980	(TARGET_OS_CPP_BUILTINS): Likeiwse.
5981	* config/arm/linux-eabi.h: New file.
5982	* config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5983	(LINUX_TARET_LINK_SPEC): Likewise.
5984	(LINK_SPEC): Use it.
5985	* config/arm/t-linux-eabi: New file.
5986
59872005-10-08  Steven Bosscher  <stevenb@suse.de>
5988
5989	PR other/22202
5990	* params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5991	spaces.
5992	(PARAM_SMS_DFA_HISTORY): Likewise.
5993
59942005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5995
5996	PR middle-end/23150
5997	* calls.c (mem_overlaps_already_clobbered_arg_p): New.
5998	(load_register_parameters): Call it.
5999	(check_sibcall_argument_overlap_1): Likewise.
6000	(store_one_arg): Likewise.
6001
60022005-10-07  James E. Wilson  <wilson@specifix.com>
6003
6004	* config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
6005	DImode not VECINT24 for operand 2.
6006
6007	PR target/23644
6008	* doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
6009	-mtune-arch.
6010
6011	PR target/24193
6012	* config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
6013	fr_spill): Use destination_operand for operand 0.
6014
60152005-10-07  DJ Delorie  <dj@redhat.com>
6016
6017	* varasm.c (output_constant): Limit error to expanding
6018	conversions.
6019
60202005-10-07  Richard Guenther  <rguenther@suse.de>
6021
6022	PR middle-end/24227
6023	* fold-const.c (fold_binary): Fix operand types during folding
6024	of X op (A, Y).  Evaluation order of the side-effects of
6025	X and A are frontend-defined, so ensure we honour that even for
6026	tcc_comparison class operands; eased by removing duplicate code.
6027
60282005-10-07  Steve Ellcey  <sje@cup.hp.com>
6029
6030	* stor-layout.c (layout_type): Do not allow alignment of array
6031	elements to be greater than their size.
6032
60332005-10-07  Steve Ellcey  <sje@cup.hp.com>
6034
6035	* config.host (hppa*-*-hpux*): Change out_host_hook_obj and
6036	host_xmake_file.
6037	(hppa*-*-linux*): Ditto.
6038	(ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
6039	* config/host-hpux.c: New.
6040	* config/x-hpux: New.
6041	* config/pa/x-hpux: Remove.
6042	* config/pa/x-linux: Remove.
6043	* config/pa/pa-host.c: Remove.
6044
60452005-10-07  Jeff Law  <law@redhat.com>
6046
6047	* tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
6048	determine whether or not to try and thread outgoing edges.
6049
60502005-10-07  David Edelsohn  <edelsohn@gnu.org>
6051
6052	* config/rs6000/rs6000.md (eqsi_power): New.
6053	(neg_eq0si): Add TARGET_POWER to final condition.
6054	(neg_eqsi): Same.
6055
60562005-10-06  Richard Henderson  <rth@redhat.com>
6057
6058	* config/rs6000/rs6000.c: Revert last change.
6059
60602005-10-06  Richard Henderson  <rth@redhat.com>
6061
6062	* config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
6063	(TARGET_CANNOT_FORCE_CONST_MEM): Use it.
6064
60652005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
6066
6067	PR middle-end/22216
6068	PR middle-end/23651
6069	* cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
6070	out return_label and naked_return_label.
6071
60722005-10-06  Daniel Berlin  <dberlin@dberlin.org>
6073
6074	* tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
6075	change.
6076
60772005-10-06  Richard Henderson  <rth@redhat.com>
6078
6079	PR tree-opt/22237
6080	* tree-inline.c (declare_return_variable): Handle modify_dest not
6081	being a DECL.
6082
60832005-10-06  Daniel Berlin  <dberlin@dberlin.org>
6084
6085	Fix PR tree-optimization/22488
6086	* tree-ssa-structalias.c (check_for_overlaps): New function.
6087	(create_variable_info_for): Use it.
6088
60892005-10-06  Richard Henderson  <rth@redhat.com>
6090
6091	PR debug/24070
6092	* dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
6093	(dwarf2out_start_source_file): Print it.
6094
60952005-10-06  Geoffrey Keating  <geoffk@apple.com>
6096
6097	* config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
6098
60992005-10-06  Richard Henderson  <rth@redhat.com>
6100
6101	PR 23706
6102	* mode-switching.c (optimize_mode_switching): Clear transp bit
6103	for block with incomming abnormal edges.
6104
6105	* config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
6106	(fpscr_set_from_mem): Use them.
6107	* config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
6108	(fpscr postinc splitters): Rewrite as peephole2+split.
6109
61102005-10-06  David Edelsohn  <edelsohn@gnu.org>
6111
6112	* config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
6113	(eq<mode>_compare): Same.
6114
61152005-10-06  Richard Guenther  <rguenther@suse.de>
6116
6117	PR tree-optimization/24238
6118	* tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
6119
61202005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
6121
6122	* acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
6123	here.  Use AC_PATH_PROG for environment variables instead of
6124	test -x.
6125	* configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
6126	objdump also.
6127	* configure: Regenerated.
6128
61292005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
6130
6131	PR target/23783
6132	* arm.md (call): If the address isn't a SYMBOL_REF or a register,
6133	then force it into a register.
6134	(call_value): Likewise.
6135
61362005-10-06  Richard Henderson  <rth@redhat.com>
6137
6138	PR 24049
6139	* passes.c (init_optimization_passes): Move pass_lower_vector_ssa
6140	under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
6141	under pass_vectorize.
6142
61432005-10-05  Devang Patel  <dpatel@apple.com>
6144
6145	PR Debug/23205
6146	* dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
6147	handling constants. Check NAMESPACE_DECL context for constants.
6148
61492005-10-05  Eric Christopher  <echristo@apple.com>
6150
6151	* doc/md.texi (Standard Names): Fix name of pushm1 pattern.
6152
61532005-10-05  Richard Henderson  <rth@redhat.com>
6154
6155	PR 23714
6156	* tree-cfg.c (mark_array_ref_addressable_1): New.
6157	(mark_array_ref_addressable): New.
6158	* tree-flow.h (mark_array_ref_addressable): Declare.
6159	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
6160
61612005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
6162
6163	PR middle-end/20606
6164	PR middle-end/24069
6165	* reload.c (subst_reloads): When adding a REG_LABEL to a
6166	jump instruction, also update JUMP_LABEL.
6167
61682005-10-05  David Edelsohn  <edelsohn@gnu.org>
6169
6170	* params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
6171	* bb-reorder.c (copy_bb_p): Use it.
6172	* doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
6173
61742005-10-05  Richard Henderson  <rth@redhat.com>
6175
6176	PR target/23602
6177	* toplev.c (process_options): Warn about unsupported combinations
6178	of unwind tables and omit-frame-pointer.
6179	* config/i386/i386.c (override_options): Similarly.  Enable
6180	accumulate-outgoing-args if not explicitly disabled.
6181
61822005-10-05  Steve Ellcey  <sje@cup.hp.com>
6183
6184	* vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
6185	Handle big endian vs. small endian.
6186	(vec_initv2sf): Handle big endian vs. small endian.
6187	(*vec_extractv2sf_1): Ditto.
6188
61892005-10-05  Dale Johannesen  <dalej@apple.com>
6190
6191	* convert.c (convert_to_real): Don't convert
6192	(float)floor(double d) to floorf((float)d).
6193
61942005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
6195
6196	* config/arm/arm.md (insv): Use gen_int_mode in more places.
6197
61982005-10-05  Andrew MacLeod  <amacleod@redhat.com>
6199
6200	PR tree-optimization/18587
6201	* tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
6202	(build_defs, build_uses, build_v_may_defs, build_v_must_defs,
6203	build_vuses): Change to VEC type.
6204	(opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6205	opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6206	opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6207	opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6208	(get_name_decl): New.  Return DECL_UID of base variable.
6209	(operand_build_cmp): New.  qsort comparison routine.
6210	(operand_build_sort_virtual): New.  Sort virtual build vector.
6211	(init_ssa_operands, fini_ssa_operands): Use VEC routines.
6212	(FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6213	(FINALIZE_BASE): Use get_name_decl.
6214	(finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6215	finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6216	(start_ssa_stmt_operands, append_def, append_use, append_vuse,
6217	append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6218	direct VEC_* manipulations.
6219	(build_ssa_operands): Call operand_build_sort_virtual.
6220	(copy_virtual_operand, create_ssa_artficial_load_stmt,
6221	add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6222	with direct VEC_* manipulations.
6223	* tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6224	with direct VEC manipulations.
6225
62262005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6227
6228	PR tree-optimization/21419
6229	PR tree-optimization/24146
6230	PR tree-optimization/24151
6231
6232	* c-typeck.c (readonly_error): Handle USE being lv_asm.
6233	(build_asm_expr): Call it if outputs are read-only.
6234	* gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6235
62362005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6237	    Paolo Bonzini  <bonzini@gnu.org>
6238
6239	PR target/23809
6240
6241	* doc/extend.texi (x86 Built-ins): Document that -msse and friends
6242	enable the instructions and not just the built-ins.
6243	* doc/invoke.texi (x86 Options): Likewise.
6244
62452005-10-04  Geoffrey Keating  <geoffk@apple.com>
6246
6247	* config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6248
6249	* doc/invoke.texi (Option Summary): Correct spelling
6250	of -mmacosx-version-min.
6251
62522005-10-04  Devang Patel  <dpatel@apple.com>
6253
6254	* c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6255	real types.
6256
62572005-10-04  Steve Ellcey  <sje@cup.hp.com>
6258
6259	* tree-vect-transform.c (vect_create_epilog_for_reduction):
6260	Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6261
62622005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6263
6264	* config/s390/s390.md ("TDSI","DP"): New mode macros.
6265	("TE","tg"): New mode attributes.
6266	("sync_compare_and_swap<mode>"): Replace with a define_expand.
6267	("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6268	("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6269	dword_mode and one for GPRmode.
6270
62712005-10-04  Ian Lance Taylor  <ian@airs.com>
6272
6273	PR preprocessor/13726
6274	* c-ppoutput.c (cb_include): Add comments parameter, and print out
6275	any comments passed in.
6276
62772005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6278
6279	* tree.c (annotate_with_file_line): Fix typo.
6280
62812005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6282
6283	PR ada/19382
6284	* builtins.c (fold_builtin_memcmp): When constructing the pointer
6285	type used to access data in the inlined length == 1 case, use
6286	build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6287	(fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6288
62892005-10-04  Uros Bizjak  <uros@kss-loka.si>
6290
6291	* config/i386/i386.h (TARGET_FISTTP): Enable also for
6292	TARGET_SSE3 and only for TARGET_80387.
6293	* config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6294	(fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6295	Do not depend on TARGET_80387.
6296
62972005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6298
6299	* tree.c (last_annotated_node): Change type to location_t*.
6300	(annotate_with_file_line): Reflect the change of
6301	last_annotated_node type.
6302
63032005-10-04  Richard Guenther  <rguenther@suse.de>
6304
6305	PR c/23576
6306	* c-decl.c (grokdeclarator): Don't write to fields
6307	of error_mark_node.
6308
63092005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6310
6311	PR middle-end/23125
6312	* c-decl.c (finish_decl): Use set_user_assembler_name even for
6313	register variables.
6314	* varasm.c (make_decl_rtl): If a register variable does not
6315	have a set user assmbler name, error out.
6316	Decode the asmspec is now name+1 bypassing '*'.
6317
63182005-10-04  Steven Bosscher  <stevenb@suse.de>
6319
6320	PR tree-optimization/23049
6321	* tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6322	of a COND_EXPR is folded before calling fold on the whole rhs of a
6323	conditional assignment.
6324	* doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6325	document that a COND_EXPR may appear there.
6326
63272005-10-03  Diego Novillo  <dnovillo@redhat.com>
6328
6329	PR 23445
6330	* tree-vrp.c (extract_range_from_assert): If the new numeric
6331	range created out of the assertion contradicts the existing
6332	numeric range of the ASSERT_EXPR variable, make the new range
6333	varying.
6334
63352005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6336
6337	* config/sh/sh.c (sh_register_move_cost): Add case for moving
6338	from T_REGS to FP register class.
6339
63402005-10-03  Richard Henderson  <rth@redhat.com>
6341
6342	PR 24135
6343	* tree-nested.c (convert_nl_goto_reference): Lookup a translation
6344	before creating a new one.
6345
63462005-10-03  David Edelsohn  <edelsohn@gnu.org>
6347
6348	* config/rs6000/t-aix43 (LDFLAGS): New.
6349	* config/rs6000/t-aix52 (LDFLAGS): New.
6350
63512005-10-03  Ian Lance Taylor  <ian@airs.com>
6352
6353	* gimplify.c (find_single_pointer_decl_1): New static function.
6354	(find_single_pointer_decl): New static function.
6355	(internal_get_tmp_var): For a formal variable, set restrict base
6356	information if appropriate.
6357	* alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6358	return it.
6359	* tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6360	(DECL_GET_RESTRICT_BASE): Define.
6361	(SET_DECL_RESTRICT_BASE): Define.
6362	(decl_restrict_base_lookup): Declare.
6363	(decl_restrict_base_insert): Declare.
6364	(struct tree_decl_with_vis): Add based_on_restrict_p field.
6365	* tree.c (restrict_base_for_decl): New static variable.
6366	(init_ttree): Initialize restrict_base_for_decl.
6367	(copy_node_stat): Copy restrict base information.
6368	(decl_restrict_base_lookup): New function.
6369	(decl_restrict_base_insert): New function.
6370	(print_restrict_base_statistics): New static function.
6371	(dump_tree_statistics): Call print_restrict_base_statistics.
6372
63732005-10-02  Diego Novillo  <dnovillo@redhat.com>
6374
6375	PR 24142
6376	* tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6377	case of anti-ranges.
6378
63792005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6380
6381	PR c/18851
6382	* c-typeck.c (tagged_tu_seen): Rename to ...
6383	(tagged_tu_seen_cache): this and add val field.
6384	(comptypes): Move functional to comptypes_internal
6385	and free tagged_tu_seen.
6386	(comptypes_internal): New function and call comptypes_internal
6387	instead of comptypes. Speed up by sibcalling
6388	tagged_types_tu_compatible_p.
6389	(alloc_tagged_tu_seen): New function
6390	(free_all_tagged_tu_seen_up_to): New function.
6391	(tagged_types_tu_compatible_p): Return the val of the seen two
6392	types.
6393	Add that the two types are the same to tagged_tu_seen_base
6394	if they are and call comptypes_internal instead of comptypes.
6395	<case UNION_TYPE>: Speed up common type where the fields are
6396	in the same order.
6397	(function_types_compatible_p): Call comptypes_internal instead of
6398	comptypes.
6399	(type_lists_compatible_p): Likewise.
6400	(all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6401
64022005-10-02  Matthias Klose  <doko@debian.org>
6403
6404	* doc/invoke.texi: Fix typo and speling error.
6405
64062005-10-01  Richard Henderson  <rth@redhat.com>
6407
6408	* tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6409
64102005-10-01  Mark Mitchell  <mark@codesourcery.com>
6411
6412	* config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6413	using --start-group and --end-group.
6414
64152005-10-01  Diego Novillo  <dnovillo@redhat.com>
6416
6417	* tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6418	FIXME note regarding quirky semantics.
6419
64202005-10-01  Diego Novillo  <dnovillo@redhat.com>
6421
6422	PR 24141
6423	* tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6424	non-null range as a last resort.
6425
64262005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6427	    Diego Novillo  <dnovillo@redhat.com>
6428
6429	PR 23604
6430	* tree-vrp.c (extract_range_from_assert): For !=
6431	assertions, only build an anti-range if LIMIT is a
6432	single-valued range.
6433
64342005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6435
6436	* arm.md (movqi): On thumb when optimizing, handle loading from
6437	memory by describing this as taking a subreg of a zero-extended load
6438	into an SImode register.
6439	(movhi): Likewise.
6440
64412005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6442
6443	* reload1.c (merge_assigned_reloads): Do not change any
6444	RELOAD_FOR_OUTPUT_ADDRESS reloads.
6445
64462005-09-30  Geoffrey Keating  <geoffk@apple.com>
6447
6448	* Makefile.in (LIPO_FOR_TARGET): Define.
6449	(STRIP_FOR_TARGET): Define.
6450
6451	* config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6452	before creating new ones.  Do symlinks before creating the actual
6453	targets.
6454
6455	* config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6456	to work out which multilibs are actually being built.
6457
64582005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6459
6460	* tree-vect-transform.c, config/ms1/ms1.md,
6461	config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6462	Follow spelling conventions.
6463	* doc/invoke.texi, doc/md.texi: Fix typos.
6464
64652005-09-30  Andrew Macleod  <amacleod@redat.com>
6466
6467	PR tree-optimization/21430
6468	* tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6469	use operands, and set stmt pointer if need be.
6470	(FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6471	tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6472	present.
6473
64742005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6475
6476	PR middle-end/24053
6477	* stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6478
64792005-09-29  Mark Mitchell  <mark@codesourcery.com>
6480
6481	* optabs.c (expand_binop): Initialize first_pass_p.
6482
64832005-09-29  Jakub Jelinek  <jakub@redhat.com>
6484
6485	PR middle-end/24109
6486	* c-decl.c (c_write_global_declarations_1): If any
6487	wrapup_global_declaration_2 call returned true, restart the loop.
6488
64892005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6490
6491	Fix PR tree-optimization/24117
6492	* tree-ssa-structalias.c (find_func_aliases): Strip nops
6493	before considering whether to use anyoffset.
6494
64952005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6496
6497	Revert this patch:
6498
6499	2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6500
6501	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
6502	to order operands.
6503	(swap_commutative_operands_with_target): New.
6504
65052005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6506
6507	PR c/21419
6508	* gimplify.c (gimplify_asm_expr): Raise an error if an output is
6509	read-only.
6510
65112005-09-29  Steven Bosscher  <stevenb@suse.de>
6512
6513	PR tree-optimization/23911
6514	* tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6515	and IMAGPART_EXPR too.
6516
65172005-09-28  Mark Mitchell  <mark@codesourcery.com>
6518
6519	PR 17886
6520	* expmed.c (expand_shift): Move logic to reverse rotation
6521	direction when rotating by constants ...
6522	* optabs.c (expand_binop): ... here.
6523	* config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6524	(ix86_rotrdi3): New pattern.
6525	(rotldi3): Handle 32-bit mode.
6526	(ix86_rotldi3): New pattern.
6527
65282005-09-29  Alan Modra  <amodra@bigpond.net.au>
6529
6530	PR target/24102
6531	* config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6532	check for numbers that need no bit twiddle.
6533
65342005-09-28  Geoffrey Keating  <geoffk@apple.com>
6535
6536	* config/rs6000/t-darwin8: Uncomment contents, allow -m64
6537	multilib to be built.
6538
6539	* Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6540	(stage1-start): Delete old libgcc and libunwind before moving
6541	anything into the stage directory.
6542	(stage2-start): Likewise.
6543	(stage3-start): Likewise.
6544	(stage4-start): Likewise.
6545	(stageprofile-start): Likewise.
6546	(stagefeedback-start): Likewise.
6547	* config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6548	header in tm_file and CPU-specific t-darwin in tmake_file.
6549	(i[34567]86-*-darwin*): Don't change tm_file.
6550	(powerpc-*-darwin*): Don't change tm_file or tmake_file.
6551	* config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6552	shared library stub for target OS version.
6553	* config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6554	(SHLIB_LINK): Don't make SHLIB_SOLINK.
6555	(SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6556	(libgcc_s.%.dylib): New.
6557	(LIBGCC): Define.
6558	(install-darwin-libgcc-stubs): New.
6559	(INSTALL_LIBGCC): New append.
6560	* config/i386/darwin-libgcc.10.4.ver: New.
6561	* config/i386/darwin-libgcc.10.5.ver: New.
6562	* config/i386/t-darwin: New.
6563	* config/rs6000/darwin-libgcc.10.4.ver: New.
6564	* config/rs6000/darwin-libgcc.10.5.ver: New.
6565	* config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6566	* config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6567
65682005-09-28  Paul Brook  <paul@codesourcery.com>
6569
6570	* config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6571	denormals.
6572
65732005-09-28  Richard Guenther  <rguenther@suse.de>
6574
6575	PR tree-optimization/23853
6576	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6577	host_integerp to verify misalignment value.
6578
65792005-09-28  Richard Henderson  <rth@redhat.com>
6580
6581	* builtins.c (get_builtin_sync_mode): New.
6582	(expand_builtin_sync_operation): Pass in mode argument.
6583	(expand_builtin_compare_and_swap): Likewise.
6584	(expand_builtin_lock_test_and_set): Likewise.
6585	(expand_builtin_lock_release): Likewise.
6586	(expand_builtin): Update to match.
6587
65882005-09-28  Nick Clifton  <nickc@redhat.com>
6589
6590	* config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6591	formatting.  Add check to PLUS case to ensure that the offset is
6592	within an acceptable range.
6593
6594	* config/v850/v850.md (casesi): Disable the generation of the
6595	switch pattern as it is not being handled properly at the moment.
6596
6597	* config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6598	for when the high words are identical.
6599
66002005-09-27  Richard Henderson  <rth@redhat.com>
6601
6602	* pretty-print.c (pp_base_format): Fix typo for %>.
6603
66042005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6605	    Devang Patel  <dpatel@apple.com>
6606
6607	PR tree-optimization/23625
6608	* tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6609	LABEL_EXPR, assertion check.
6610
66112005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6612
6613	* optabs.c (no_conflict_move_test): Check if a result of a
6614	to-be-moved insn would be clobbered by an originally
6615	preceding insn.
6616
66172005-09-27  Jeff Law  <law@redhat.com>
6618
6619	* passes.c (init_optimization_passes): Replace copy propagation
6620	passes immediately after DOM with phi-only copy propagation
6621	pases.  Add phi-only copy propagation pass after first DOM pass.
6622	* tree-pass.h (pass_phi_only_copy_prop): Declare.
6623	* tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6624	If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6625	(execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6626	to init_copy_prop.  Callers updated.
6627	(do_phi_only_copy_prop): New function.
6628	(pass_phi_only_copy_prop): New pass descriptor.
6629
66302005-09-27  Nick Clifton  <nickc@redhat.com>
6631
6632	* libgcc2.c (__popcount_tab): Remove redundant prototype.
6633
66342005-09-26  Jason Merrill  <jason@redhat.com>
6635
6636	PR c++/13764
6637	* c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6638
6639	* doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6640
66412005-09-26  James E Wilson  <wilson@specifix.com>
6642
6643	* config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6644	copyright.  Add gcc copyright plus libgcc exception.
6645	* config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6646	copyright.
6647	* config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6648
66492005-09-26  Jeff Law  <law@redhat.com>
6650
6651	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6652	about when to iterate.
6653
66542005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6655
6656	PR target/23847
6657	* config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6658	for __complex__ double in -mcpu=G5 mode.
6659
66602005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6661
6662	PR tree-optimization/23942
6663	* Makefile.in (SCEV_H): Depends on PARAMS_H.
6664	* tree-scalar-evolution.c: Include params.h.
6665	(t_bool): New enum.
6666	(follow_ssa_edge, follow_ssa_edge_in_rhs,
6667	follow_ssa_edge_in_condition_phi_branch,
6668	follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6669	Change return type to t_bool.  Use a parameter to limit the size of
6670	trees that are walked before stopping
6671	(analyze_evolution_in_loop): Initialize the limit to 0.
6672	(follow_ssa_edge): Give up by returning t_dont_know if the limit
6673	exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6674
66752005-09-26  Uros Bizjak  <uros@kss-loka.si>
6676
6677	PR middle-end/23831
6678	* simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6679	simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6680
66812005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6682
6683	* combine.c (make_extraction): Check for valid use of subreg.
6684
66852005-09-26  Uros Bizjak  <uros@kss-loka.si>
6686
6687	PR target/24055
6688	* config/i386/i386.md ("*fistdi2_1"): New pattern.
6689	("*fist<mode>2_1"): Use only HImode and SImode register operands.
6690	("fist<mode>2_with_temp"): Use only register operands.
6691
66922005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6693
6694	* rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6695	CALL_INSN_FUNCTION_USAGE.
6696
66972005-09-26  Richard Guenther  <rguenther@suse.de>
6698
6699	PR middle-end/15855
6700	* gcse.c: Include hashtab.h, define ldst entry hashtable.
6701	(pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6702	(ldst_entry): Use the hashtable instead of list-walking.
6703	(find_rtx_in_ldst): Likewise.
6704	(free_ldst_entry): Free the hashtable.
6705	(compute_ld_motion_mems): Create the hashtable.
6706	(trim_ld_motion_mems): Remove entry from hashtable if
6707	removing it from list.
6708	(compute_store_table): Likewise^2.
6709	(store_motion): Free hashtable in case we did not see
6710	any stores.
6711
67122005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6713
6714	* fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6715	and arg1 if we are passing them to fold_build2.
6716
67172005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6718
6719	PR 23828
6720	* config/i386/i386.c (ix86_function_regparm): Fix the test for
6721	a nested function.
6722
67232005-09-25  Richard Henderson  <rth@redhat.com>
6724
6725	* config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6726	SYMBOL_REF_TLS_MODEL to be correct.
6727
67282005-09-24  Richard Henderson  <rth@redhat.com>
6729
6730	* ipa-type-escape.c (discover_unique_type): Remove dead code at
6731	end of function.  Reindent.
6732
67332005-09-24  Ian Lance Taylor  <ian@airs.com>
6734
6735	* convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6736	NEGATE_EXPR/BIT_NOT_EXPR case.
6737
67382005-09-24  Richard Henderson  <rth@redhat.com>
6739
6740	* c-common.c (handle_mode_attribute): When not modifying in place,
6741	create subtypes for enumerations.
6742	(sync_resolve_return): Use TYPE_MAIN_VARIANT.
6743	* gimplify.c (create_tmp_from_val): Likewise.
6744
67452005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6746
6747	* config/i386/i386.md (*tls_global_dynamic_64,
6748	*tls_local_dynamic_base_64): Add missing mode to call.
6749	(tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6750
67512005-09-24  Jan Hubicka  <jh@suse.cz>
6752
6753	* cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6754	(cgraph_clone_node): Likewise.
6755	* cgraph.h (cgraph_clone_edge): Update prototype.
6756	(cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6757	duplicated prototypes; add updating argument.
6758	* cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6759	* ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6760	updating profile.
6761	(cgraph_mark_inline_edge): Likewise.
6762	(cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6763	(cgraph_flatten_node): Likewise.
6764	(cgraph_decide_recursive_inlining): Likewise.
6765	(cgraph_decide_inlining_of_small_function): Likewise.
6766	* tree-optimize.c (tree_rest_of_compilation): Likewise.
6767
67682005-09-23  David Edelsohn  <edelsohn@gnu.org>
6769	    Pete Steinmetz <steinmtz@us.ibm.com>
6770
6771	* config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6772	(rldic.): Set type to "compare".
6773	(rldicr.): Same.
6774	(movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6775	mfjmpr for MFCTR/MFLR.
6776	(movdf_hardfloat64): Same.
6777	(movdf_softfloat64): Same.  Correct order of store and move types.
6778	(movti_string): Set type to store_ux/load_ux.
6779	(load_multiple): Set type to load_ux.
6780	(store_multiple): Set type to store_ux.
6781	(movmemsi): Set type to store_ux.
6782	(output_cbranch direct_return): Set type to jmpreg.
6783	(stmw): Set type to store_ux.
6784	(lmw): Set type to load_ux.
6785	* config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6786	* config/rs6000/440.md (ppc440-store): Increase latency to 6.
6787	* config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6788	* config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6789	* config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6790	* config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6791	(rios1-fpstore): Increase latency to 3.
6792	* config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6793	* config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6794
67952005-09-23  David Edelsohn  <edelsohn@gnu.org>
6796	    Andrew Pinski  <pinskia@physics.uc.edu>
6797
6798	* config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6799	operand2 constraint to "b".
6800	(sync_<fetchop_name>di_internal): Same.
6801	(sync_old_<fetchop_name>si_internal): Change operand3 constraint
6802	to "b".
6803	(sync_old_<fetchop_name>di_internal): Same.
6804	(sync_new_<fetchop_name>si_internal): Same.
6805	(sync_new_<fetchop_name>di_internal): Same.
6806
68072005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6808
6809	PR middle-end/23991
6810	* final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6811	case, define as macros.
6812
6813	PR rtl-optimization/23837
6814	*  optabs.c (no_conflict_move_test): Don't set must_stay for a
6815	clobber / clobber match between dest and p->first.
6816
6817	* optabs.c (emit_libcall_block): Use no_conflict_move_test.
6818	(no_conflict_move_test): Update comments.
6819
68202005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6821
6822	* doc/install.texi: Update URL for Jacks.
6823	* doc/sourcebuild.texi: Likewise.
6824
68252005-09-22  David Edelsohn  <edelsohn@gnu.org>
6826
6827	PR target/24007
6828	* config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6829	registers when choosing register preferences.
6830	(movdf_hardfloat64): Same.
6831
68322005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6833
6834	* expmed.c (expand_shift): Don't use the target of the rotate as
6835	target for the first expanded shift insn.
6836	* testsuite/gcc.dg/20050922-1.c: Testcase added.
6837
68382005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6839
6840	PR tree-optimization/22438
6841	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6842	preserved iv rhs rewriting specially.
6843
68442005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6845
6846	* tree-data-ref.c (analyze_array_indexes): Only estimate when
6847	estimate_only  is true.
6848	* tree-flow.h (ref_contains_indirect_ref): New prototype.
6849	* tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6850	tree-ssa-structalias.c
6851	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6852	ref_contains_indirect_ref.
6853	* tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6854
68552005-09-21  DJ Delorie  <dj@redhat.com>
6856
6857	* config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6858	MASK_PTR_A0D0.
6859	(mn10300_return_in_memory): Support variable size types also.
6860	(mn10300_pass_by_reference): Likewise.
6861	(mn10300_function_value): New.
6862	* config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6863	(FUNCTION_OUTGOING_VALUE): Likewise.
6864	* config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6865	* doc/invoke.texi: Document it.
6866
68672005-09-21  Uros Bizjak  <uros@kss-loka.si>
6868
6869	PR target/22585
6870	* config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6871	force integer op1 into register for XFmode compares.
6872
68732005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6874
6875	PR middle-end/23971
6876	* expmed.c (alg_code): Add alg_impossible.
6877	(alg_hash_entry): Add cost.
6878	(synth_mult): Record alg_impossible in the hash table if
6879	multiplication by a given integer is impossble within the
6880	limit.  Speed up using alg_impossible.
6881
68822005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6883
6884	* tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6885	argument.  Allow and set any offset if needs_anyoffset is passed
6886	in.
6887	(get_constraint_for): Add argument here too.
6888	Pass it down.
6889	(do_structure_copy): Pass NULL to get_constraint_for.
6890	(handle_ptr_arith): Ditto.
6891	(find_func_aliases): Ditto.
6892
68932005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6894
6895	PR rtl-optimization/23898
6896	* output.h (get_attr_min_length): Declare.
6897	* final.c (get_attr_length_1): New function, broken out of:
6898	(get_attr_length).
6899	(get_attr_min_length): New function.
6900	* bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6901	(duplicate_computed_gotos): Likewise.
6902	* genattr.c (insn_min_length): Generate declaration.
6903	* genattrtab.c (min_fn, min_attr_value): New functions.
6904	(make_length_attrs): Generate insn_min_length.
6905
69062005-09-20  Steve Ellcey  <sje@cup.hp.com>
6907
6908	* config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6909
69102005-09-20  Richard Henderson  <rth@redhat.com>
6911
6912	PR tree-optimization/24059
6913	* expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6914	EXPAND_STACK_PARM.
6915
69162005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6917
6918	* c.opt (fextended-identifiers): New.
6919	* c-opts.c (c_common_handle_option): Handle
6920	-fextended-identifiers.
6921	* doc/cpp.texi: Update documentation of extended identifiers.
6922	* doc/cppopts.texi (-fextended-identifiers): Document.
6923
69242005-09-20  Jakub Jelinek  <jakub@redhat.com>
6925
6926	PR tree-optimization/23929
6927	* tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6928	if expr is NULL.
6929
6930	PR tree-optimization/23818
6931	* tree-stdarg.c (execute_optimize_stdarg): Call
6932	calculate_dominance_info.
6933
69342005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6935
6936	* tree-data-ref.c (get_number_of_iters_for_loop): New function.
6937	(analyze_siv_subscript_cst_affine): Add weak SIV test.
6938	(compute_overlap_steps_for_affine_1_2): Use
6939	get_number_of_iters_for_loop.
6940	(analyze_subscript_affine_affine): Check whether difference is
6941	zero first.
6942	Use get_number_of_iters_for_loop.
6943	Check whether overlap occurs outside of bounds.
6944	(analyze_miv_subscript): Use get_number_of_iters_for_loop.
6945
69462005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6947
6948	* tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6949	base register if possible.
6950
69512005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6952
6953	PR tree-optimization/18463
6954	* tree-chrec.c (chrec_convert): Return fold_converted chrec if
6955	converting it directly is not possible.
6956	(chrec_convert_aggressive): New function.
6957	* tree-chrec.h (chrec_convert_aggressive): Declare.
6958	* tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6959	Fold chrec conversions aggressively if asked to.
6960	(instantiate_parameters): Modified because of changes in
6961	instantiate_parameters_1.
6962
69632005-09-19  Richard Henderson  <rth@redhat.com>
6964
6965	* config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6966	(reduc_splus_v2df): New.
6967
69682005-09-19  Richard Sandiford  <richard@codesourcery.com>
6969
6970	* config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6971	(ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6972
69732005-09-19  Richard Henderson  <rth@redhat.com>
6974
6975	* config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6976	vcondu<SSEMODE12>.
6977
69782005-09-19  Richard Henderson  <rth@redhat.com>
6979
6980	* config/ia64/ia64.c (ia64_expand_widen_sum): New.
6981	(ia64_expand_dot_prod_v8qi): New.
6982	* config/ia64/ia64-protos.h: Update.
6983	* config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6984	widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6985	sdot_prodv8qi, sdot_prodv4hi): New.
6986	(reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6987
69882005-09-19  Richard Henderson  <rth@redhat.com>
6989
6990	PR 23941
6991	* real.c (exact_real_truncate): Return false if the format cannot
6992	represent the number as a normal.
6993
6994	* config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6995	for a memory source.
6996
69972005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6998
6999	* tree-ssa-operands.c (swap_tree_operands): Export.
7000	* tree.h (swap_tree_operands): Declare.
7001	* tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
7002	Call swap_tree_operands.
7003
70042005-09-19  Richard Henderson  <rth@redhat.com>
7005
7006	* tree-flow.h (merge_alias_info): Declare.
7007	* tree-ssa-copy.c (merge_alias_info): Export.
7008	* tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
7009	(vect_create_data_ref_ptr): Use create_iv directly.
7010	(vectorizable_load): Use correct types for integer constants.
7011	(vect_generate_tmps_on_preheader): Likewise.
7012	(vect_gen_niters_for_prolog_loop): Likewise.
7013
70142005-09-19  Steven Bosscher  <stevenb@suse.de>
7015
7016	PR rtl-optimization/23943
7017	* cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
7018
70192005-09-18  Jan Hubicka  <jh@suse.cz>
7020
7021	* calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
7022
70232005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
7024
7025	* varasm.c (output_constant): Do not abort on conversions to union
7026	types between different sizes.
7027
70282005-09-18  Richard Guenther  <rguenther@suse.de>
7029
7030	PR middle-end/23944
7031	* gimplify.c (fold_indirect_ref_rhs): Fix thinko in
7032	fallback.
7033
70342005-09-18  Paul Brook  <paul@codesourcery.com>
7035
7036	* config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
7037
70382005-09-17  Richard Henderson  <rth@redhat.com>
7039
7040	* tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
7041	* tree-ssa-loop.c (pass_vect_dce): Remove.
7042	* passes.c (init_optimization_passes): Add pass_dce as a sub-pass
7043	of pass_vectorize.
7044
70452005-09-17  Richard Henderson  <rth@redhat.com>
7046
7047	* tree-pass.h (pass_vect_dce): Declare.
7048	* passes.c (init_optimization_passes): Add it.
7049	* tree-flow.h (tree_ssa_dce): Declare.
7050	* tree-ssa-dce.c (tree_ssa_dce): Export.
7051	* tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
7052	(gate_tree_vectorize): ... here.
7053	(pass_vect_dce): New.
7054
70552005-09-17  Jan Hubicka  <jh@suse.cz>
7056
7057	* except.c (struct eh_status): Turn region_array into vec.
7058	(expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
7059	convert_from_eh_region_ranges, find_exception_handler_labels,
7060	current_function_has_exception_handlers, assign_filter_values,
7061	build_post_landing_pads, dw2_build_landing_pads,
7062	sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
7063	sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
7064	foreach_reachable_handler, can_throw_internal_1,
7065	convert_to_eh_region_ranges, verify_eh_tree): Update uses of
7066	region_array.
7067	(duplicate_eh_region_1): Update region_array.
7068	(duplicate_eh_regions): Resize region_array and avoid recomputing.
7069
70702005-09-17  David Edelsohn  <edelsohn@gnu.org>
7071
7072	PR middle-end/22067
7073	* expmed.c (expand_mult): Substitute simple register for op0 when
7074	computing max_cost.
7075
70762005-09-17  Richard Henderson  <rth@redhat.com>
7077
7078	* expr.c (emit_move_via_integer): Add force argument, pass it on
7079	to emit_move_change_mode.  Update callers.
7080	(emit_move_complex): Pass true to new force argument.
7081	* function.c (expand_function_end): Move expand_eh_return call
7082	earlier.  Merge sub-word complex values into a pseudo before
7083	copying to the return hard register.
7084
70852005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
7086
7087	* varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
7088	between different sizes.
7089
70902005-09-16  Paolo Bonzini  <bonzini@gnu.org>
7091
7092	PR 23903
7093
7094	* passes.c (init_optimization_passes): Register dump files for
7095	IPA passes first.
7096
70972005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7098
7099	* config/s390/s390-protos.h (s390_overlap_p): Prototype added.
7100	* config/s390/s390.c (s390_overlap_p): New function.
7101	* config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
7102	peephole2, "*xc" peephole2): Added overlap check to the peephole2
7103	condition.
7104
71052005-09-16  Richard Guenther  <rguenther@suse.de>
7106
7107	* ipa-pure-const.c (static_execute): Free auxiliar information.
7108	* ipa-type-escape.c (discover_unique_type): Free temporary key.
7109	* tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
7110
71112005-09-15  DJ Delorie  <dj@redhat.com>
7112
7113	* config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
7114
71152005-09-15  Paolo Bonzini  <bonzini@gnu.org>
7116
7117	* optabs.c (expand_binop): Use swap_commutative_operands_with_target
7118	to order operands.
7119	(swap_commutative_operands_with_target): New.
7120
71212005-09-15  Daniel Berlin  <dberlin@dberlin.org>
7122
7123	* tree-data-ref.c (analyze_array_indexes): Add estimate_only
7124	parameter.
7125	Update callers.
7126	(estimate_iters_using_array): New function.
7127	* tree-data-ref.h (estimate_iters_using_array): Prototype
7128	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7129	Use estimate_iters_using_array instead of analyze_array.
7130
71312005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
7132
7133	* tree-nested.c (get_frame_type): Mark the "non-local frame structure"
7134	as addressable.
7135
71362005-09-15  Michael Matz  <matz@suse.de>
7137
7138	* tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
7139
71402005-09-14  Daniel Berlin  <dberlin@dberlin.org>
7141
7142	PR tree-optimization/23835
7143	* tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
7144	(create_name_tags): Rewrite to be not O(num_ssa_names^2).
7145
71462005-09-14  Richard Henderson  <rth@redhat.com>
7147
7148	* config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
7149	(addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
7150
71512005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
7152
7153	* config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
7154	in the ARRAY_TYPE case.
7155
71562005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
7157
7158	* tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
7159
71602005-09-14  Uros Bizjak  <uros@kss-loka.si>
7161
7162	PR middle-end/22480
7163	* tree-vect-transform.c (vectorizable_operation): Return false for
7164	scalar shift operations and for vector shift operations with
7165	non-invariant shift arguments.  Use scalar tree operand op1 as
7166	a shift operand when vector shift insn pattern uses scalar shift
7167	operand.
7168	* Makefile.in (tree-vect-transform.o): Depend on recog.h.
7169
71702005-09-14  Olivier Hainque  <hainque@adacore.com>
7171
7172	* gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
7173	value if it has side-effects.
7174
71752005-09-14  David Edelsohn  <edelsohn@gnu.org>
7176
7177	PR target/22068
7178	* config/rs6000/rs6000.md (muldi3): Add mulli alternative.
7179
71802005-09-14  Alan Modra  <amodra@bigpond.net.au>
7181
7182	* config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
7183	passed as NAME as if it were label at start of function code.
7184
71852005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
7186
7187	* config/sh/sh.md (*movv4sf_i): Add general register cases to
7188	the constraints.
7189
71902005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
7191
7192	* config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
7193	as early clobber.  Rewrite so the PIC register is not implicitly used.
7194
71952005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7196
7197	* tree.c (annotate_with_file_line): Compare line numbers before
7198	file names.
7199
72002005-09-13  Uros Bizjak  <uros@kss-loka.si>
7201
7202	PR target/23816
7203	* config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7204	(*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7205
72062005-09-13  Ian Lance Taylor  <ian@airs.com>
7207
7208	* loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7209	than a HOST_WIDEST_INT to gen_doloop_begin.
7210
72112005-09-13  Diego Novillo  <dnovillo@redhat.com>
7212
7213	* tree-dfa.c (dump_variable): Guard against NULL annotations.
7214
72152005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7216
7217	PR tree-optimize/23817
7218	* tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7219
72202005-09-13  Alan Modra  <amodra@bigpond.net.au>
7221
7222	PR target/23774
7223	* config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7224	word before changing the stack pointer.	 Use gen_frame_mem for MEMs.
7225	Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7226	(restore_stack_nonlocal): Likewise.
7227	(save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7228
72292005-09-12  Ian Lance Taylor  <ian@airs.com>
7230
7231	PR g++/7874
7232	* c.opt (ffriend-injection): New C++ option.
7233	* doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7234	(C++ Dialect Options): Document -ffriend-injection.
7235
72362005-09-12  Josh Conner  <jconner@apple.com>
7237
7238	PR middle-end/23237
7239	* ipa-reference.c (static_execute): Don't mark variables in
7240	named sections TREE_READONLY.
7241
72422005-09-12  Alan Modra  <amodra@bigpond.net.au>
7243
7244	* config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7245	stack_tie.
7246
72472005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7248
7249	* tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7250	V_MUST_DEF instead of just the first_use_p.
7251	Don't mark the virtual variables for renaming on the statement which
7252	is being removed.
7253	(pass_dse): Remove TODO_update_ssa.
7254
72552005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7256
7257	PR middle-end/23290
7258	* stor-layout.c (compute_record_mode): For records with a single
7259	field, actually check the field's mode size against the type size.
7260
7261	* sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7262	registers for TARGET_SHMEDIA.
7263	(enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7264	GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7265	of GENERAL_REGS and FP_REGS.
7266
72672005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7268
7269	* config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7270
72712005-09-12  Alan Modra  <amodra@bigpond.net.au>
7272
7273	* config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7274	CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7275	are omitted.  Exclude stack_tie insn too.
7276
72772005-09-11  David Edelsohn  <edelsohn@gnu.org>
7278
7279	PR rtl-optimization/23098
7280	* config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7281	0.0f is easy.
7282	* config/rs6000/rs6000.md (movdf splitter): Use
7283	const_double_operand predicate for TARGET_POWERPC64.
7284	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7285	SYMBOL_REF method to ABI_V4.
7286
7287	* config/rs6000/altivec.md (build_vector_mask_for_load): Use
7288	replace_equiv_address.
7289	* config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7290	rs6000_sr_alias_set and MEM_NOTRAP.
7291	(rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7292
72932005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7294
7295	* tree.c (contains_placeholder_p) <tcc_expression>: Properly
7296	handle CALL_EXPR again.
7297
72982005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7299
7300	* arm/predicates.md (alignable_memory_operand): Delete.
7301
73022005-09-10  Richard Henderson  <rth@redhat.com>
7303
7304	PR debug/23806
7305	* dbxout.c (dbxout_expand_expr): New.
7306	(dbxout_symbol): Use it.
7307
73082005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7309
7310	* arm.c (arm_gen_rotated_half_load): Delete.
7311	(vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7312	(emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7313	(thumb_set_return_address): Likewise.
7314	(thumb_load_double_from_address): Use adjust_address.
7315	* arm.md (splits calling arm_gen_rotated_half_load): Delete.
7316	(extendhsisi2_mem, movhi_bytes): Use change_address.
7317	(movhi): Use widen_memory_access.
7318	(reload_out_df): Use replace_equiv_address.
7319	* arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7320
73212005-09-09  Richard Henderson  <rth@redhat.com>
7322
7323	PR debug/20998
7324	* dbxout.c: Include expr.h.
7325	(dbxout_global_decl): Don't suppress for DECL_RTL unset.
7326	(dbxout_symbol): Handle DECL_VALUE_EXPR.
7327	* Makefile.in (dbxout.o): Add EXPR_H.
7328
73292005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7330
7331	PR tree-optimization/23509
7332	* tree-cfg.c (replace_uses_by): Use replace_exp.
7333	* tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7334	pointers have name_mem_tag or type_mem_tag set.
7335
73362005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7337
7338	* tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7339	CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7340	of wrongly accessing operands.
7341
73422005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7343
7344	* Makefile.in (tree-chrec.o): Depends on SCEV_H.
7345	* tree-chrec.c: Include tree-scalar-evolution.h.
7346	(chrec_convert): Instantiate the base and step before calling
7347	scev_probably_wraps_p that would fail on parametric evolutions.
7348	Collect all the fails into a single section failed_to_convert,
7349	print a diagnostic, and return chrec_dont_know instead of calling
7350	fold_convert.
7351	* tree-scalar-evolution.c (loop_closed_phi_def): New.
7352	(instantiate_parameters_1): Avoid instantiation of loop closed ssa
7353	phi nodes.
7354	(scev_const_prop): Don't replace the definition of a loop closed ssa
7355	phi node by itself, or by another loop closed ssa phi node.
7356	* tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7357	that base and step are defined.
7358
73592005-09-09  Richard Guenther  <rguenther@suse.de>
7360
7361	PR c++/23624
7362	* fold-const.c (fold_ternary): Check truth_value_p before
7363	calling invert_truthvalue.
7364
73652005-09-09  Nick Clifton  <nickc@redhat.com>
7366
7367	* Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7368	* libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7369	dimension of these arrays.
7370	* libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7371	these arrays.
7372	* longlong.h: Only provide a prototype for the __clz_tab[] array
7373	if this header has not been included from libgcc2.h.
7374	* config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7375	defining own types.
7376	Provide prototypes for exported functions.
7377	Use the __clz_tab[] and __popcount_tab[] arrays provided by
7378	libgcc2.c.
7379
73802005-09-08  Josh Conner  <jconner@apple.com>
7381
7382	PR c++/21135
7383	PR c++/23180
7384	* expr.c (expand_expr_addr_expr_1): Don't invoke
7385	expand_simple_binop for EXPAND_INITIALIZER.
7386
73872005-09-08  Richard Henderson  <rth@redhat.com>
7388
7389	PR debug/23190
7390	* toplev.c (wrapup_global_declaration_1): Split out ...
7391	(wrapup_global_declaration_2): ... from ...
7392	(wrapup_global_declarations): ... here.  Return bool.
7393	(check_global_declaration_1): Split out ...
7394	(check_global_declarations): from here.
7395	(emit_debug_global_declarations): New.
7396	* toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7397	check_global_declaration_1, emit_debug_global_declarations): Declare.
7398	* c-decl.c (c_write_global_declarations_1): Don't create a vector
7399	of decls.  Call wrapup_global_declaration_1,
7400	wrapup_global_declaration_2, check_global_declaration_1 directly.
7401	(c_write_global_declarations_2): New.
7402	(ext_block): New.
7403	(c_write_global_declarations): Call c_write_global_declarations_2.
7404	* langhooks.c (write_global_declarations): Call
7405	emit_debug_global_declarations.
7406
7407	* cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7408	remove decls that have DECL_RTL_SET_P.
7409	* passes.c (rest_of_decl_compilation): Invoke
7410	cgraph_varpool_finalize_decl for all but functions.
7411
74122005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7413
7414	* tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7415	the result of a conversion if the new min and max cannot be compared.
7416
74172005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7418
7419	* config/s390/s390.c (s390_sr_alias_set): Variable removed.
7420	(override_options): Setting s390_sr_alias_set removed.
7421	(save_fpr, save_gprs): Set alias set to vararg or frame.
7422	(restore_fpr, restore_gprs, s390_emit_prologue): Replace
7423	s390_sr_alias_set with get_frame_alias_set ().
7424	(s390_gimplify_va_arg): Replace s390_sr_alias_set with
7425	get_varargs_alias_set ().
7426
74272005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7428
7429	PR objc/20574
7430	PR objc/19324
7431	* c-parser.c (c_parser_objc_method_definition): If the next
7432	token is not "{", error out and don't start the function.
7433
74342005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7435
7436	* tree-vrp.c (extract_range_from_expr): Move the check for non
7437	nullness after the check for gimple invariant.
7438
74392005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7440
7441	* tree.c (host_integerp, tree_low_cst): Correct function comment.
7442
74432005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7444
7445	PR target/23747
7446	* config/m32r.md (movmemsi_internal): Canonicalize order of
7447	operands in PLUS component of template.
7448
74492005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7450
7451	* reload1.c (fixup_eh_region_note): Remove assertion.
7452	(fixup_abnormal_edges): Reverted removal of call to
7453	find_many_sub_basic_blocks made on 2005-08-31.
7454
74552005-09-07  Richard Henderson  <rth@redhat.com>
7456
7457	* function.c (ARG_POINTER_CFA_OFFSET): Move ...
7458	* defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7459	(INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7460	* dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7461	rearrange for better packing.
7462	(INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7463	(lookup_cfa_1): Remove inline marker.
7464	(cfa_equal_p): Split out of ...
7465	(def_cfa_1): ... here.  Use INVALID_REGNUM.
7466	(build_cfa_loc): Handle !cfa->indirect.
7467	(frame_pointer_cfa_offset): New.
7468	(dbx_reg_number): Assert register elimination performed; do
7469	leaf register remapping.
7470	(reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7471	(eliminate_reg_to_offset): New.
7472	(based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7473	for verifiably local stack frame addresses; re-base to CFA.
7474	(mem_loc_descriptor): Remove can_use_fbreg argument.
7475	(concat_loc_descriptor, loc_descriptor): Likewise.
7476	(containing_function_has_frame_base): Remove.
7477	(rtl_for_decl_location): Don't do register elimination or
7478	leaf register remapping here.
7479	(secname_for_decl): Split out from ..
7480	(add_location_or_const_value_attribute): ... here.
7481	(convert_cfa_to_loc_list): New.
7482	(compute_frame_pointer_to_cfa_displacement): New.
7483	(gen_subprogram_die): Use them.
7484	* tree.h (frame_base_decl): Remove.
7485	* var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7486	(prologue_stack_adjust): Remove.
7487	(vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7488	(adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7489	(set_frame_base_location): Remove.
7490	(compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7491	(dump_attrs_list, dump_dataflow_set): Use string concatenation.
7492	(vt_add_function_parameters): Don't eliminate_regs.
7493	(vt_initialize): Don't create frame_base_decl.
7494
74952005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7496
7497	* doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7498	version of GNU binutils for 4.x and later.
7499
75002005-09-06  Mark Mitchell  <mark@codesourcery.com>
7501
7502	* ggc-page.c (ggc_push_context): Remove.
7503	(ggc_pop_context): Likewise.
7504	* ggc.h (ggc_push_context): Remove.
7505	(ggc_pop_context): Likewise.
7506
75072005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7508
7509	PR target/8973
7510	* config/arc/arc.c (arc_output_function_epilogue): Update flags while
7511	returning from an interrupt handler.
7512
75132005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7514
7515	PR target/8972
7516	* config/arc/arc.c (output_shift): Add check for loop count when
7517	optimizing.
7518
75192005-09-06  Steven Bosscher  <stevenb@suse.de>
7520
7521	* tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7522	form manually.
7523	(abs_replacement): Likewise.
7524	(pass_phiopt): Remove TODO_update_ssa.
7525
75262005-09-06  Jakub Jelinek  <jakub@redhat.com>
7527
7528	PR c/23075
7529	* c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7530	if "return with no value, in function returning non-void" warning
7531	has been issued.
7532	* tree-cfg.c (execute_warn_function_return): Don't look at
7533	RETURN_EXPRs with TREE_NO_WARNING set.
7534
7535	PR target/22362
7536	* config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7537	for internal functions doesn't use registers used by global registers
7538	variables.  Use fewer register parameters if there are global register
7539	variables.
7540
75412005-09-06  Olivier Hainque  <hainque@adacore.com>
7542	    Eric Botcazou  <ebotcazou@adacore.com>
7543
7544	PR middle-end/14997
7545	* expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7546	when we would be extracting outside its bit span (bitpos+bitsize
7547	larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7548	Ada unchecked conversions.
7549
75502005-09-06  Steven Bosscher  <stevenb@suse.de>
7551
7552	* tree-ssa-pre.c (try_look_through_load): New function.
7553	(compute_avail): Use it to try to look through loads for some
7554	more useful expressions.
7555
75562005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7557
7558	* simplify-rtx.c (simplify_binary_operation_1): Correct the
7559	condition for detecting cases like (a&a) and (a^a).
7560
75612005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7562
7563	* common.opt: Add option ftree-vect-loop-version.
7564	* params.def: Add --param vect-max-version-checks.
7565	* doc/invoke.texi: Document ftree-vect-loop-version and
7566	--param vect-max-version-checks.
7567	* tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7568	may_misalign_stmts and defines for accessors.
7569	* tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7570	LOOP_VINFO_MAY_MISALIGN_STMTS.
7571	(destroy_loop_vec_info): VEC_free for
7572	LOOP_VINFO_MAY_MISALIGN_STMTS.
7573	* tree-vect-analyze.c (vect_compute_data_ref_alignment):
7574	Update documentation.
7575	(vect_update_misalignment_for_peel): New.
7576	(vect_enhance_data_refs_alignment): Update to choose loop
7577	peeling or loop versioning if appropriate for the (potentially)
7578	unaligned data references in the loop.
7579	(vect_analyze_data_refs_alignment): Remove call to
7580	vect_enhance_data_refs_alignment so the checks can be done
7581	earlier.
7582	(vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7583	and move up call to vect_analyze_data_refs_alignment.
7584	* tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7585	(vect_transform_loop): Add call to loop_version.
7586
75872005-09-06  Jakub Jelinek  <jakub@redhat.com>
7588
7589	PR rtl-optimization/23098
7590	* cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7591	* simplify-rtx.c (constant_pool_reference_p): New function.
7592	* rtl.h (constant_pool_reference_p): New prototype.
7593	* config/i386/i386.md (pushf split, mov[sdx]f split): Use
7594	constant_pool_reference_p in condition and
7595	avoid_constant_pool_reference in preparation statements.
7596
75972005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7598
7599	* gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7600	STRICT_LOW_PART SETs.
7601
76022005-09-06  Alan Modra  <amodra@bigpond.net.au>
7603
7604	PR middle-end/21460
7605	* except.c (sjlj_emit_function_enter): Find the function begin
7606	note even when it's not in first basic block.
7607
76082005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7609
7610	* acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7611	AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7612	* aclocal.m4: Regenerate.
7613
76142005-09-05  DJ Delorie  <dj@redhat.com>
7615
7616	* config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7617	of macro.
7618
76192005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7620
7621	* gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7622	config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7623	config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7624	Follow spelling conventions.
7625	* doc/invoke.texi: Follow spelling conventions.
7626
76272005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7628
7629	* rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7630	* emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7631	* builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7632
76332005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7634
7635	PR target/23683
7636	* sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7637	(output_stack_adjust): Use gen_tmp_stack_mem.
7638	(sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7639	(sh_set_return_address, sh_allocate_initial_value): Likewise.
7640	(sh_get_pr_initial_val): Likewise.
7641	(sh_builtin_saveregs): Use gen_frame_mem and change_address.
7642	(sh_initialize_trampoline): Likewise.  Also use adjust_address.
7643	* sh.md (divsi_inv_m0): Use gen_const_mem.
7644	(push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7645	(movdf_i4+1): Use gen_tmp_stack_mem.
7646	(reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7647	(fpu_switch+2): Likewise.
7648	(movv4sf_i, movv16sf_i): Use adjust_address.
7649	(symGOT_load): Set MEM_NOTRAP_P bit.
7650
76512005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7652
7653	PR target/23721
7654	* pa.c (emit_move_sequence): Fix typo in last change.
7655
76562005-09-03  Jakub Jelinek  <jakub@redhat.com>
7657
7658	PR rtl-optimization/23454
7659	* reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7660	is true.
7661
76622005-09-03  Richard Henderson  <rth@redhat.com>
7663	    John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7664
7665	PR middle-end/23671
7666	* pa.c (emit_move_sequence): Use replace_equiv_address instead of
7667	gen_rtx_MEM.
7668
76692005-09-02  Nicolas Pitre <nico@cam.org>
7670
7671	* config/arm/arm.c (arm_legitimize_address): Limit the value passed
7672	to bit_count to 32 bits.
7673
76742005-08-31  Mark Mitchell  <mark@codesourcery.com>
7675
7676	PR c++/23167
7677	* gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7678	generating synthetic loads from volatile lvalues.
7679
7680005-09-02  Nick Clifton  <nickc@redhat.com>
7681
7682	* config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7683	__ctzhi2, __clzhi2): New functions.
7684
76852005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7686
7687	PR middle-end/23547
7688	* tree-nested.c (struct var_map_elt): Mark with GTY.
7689	(struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7690	var_map_elt.
7691	(lookup_field_for_decl): Allocate new element in GC memory.
7692	(lookup_tramp_for_decl): Likewise.
7693	(convert_nl_goto_reference): Likewise
7694	(create_nesting_tree): Allocate info in GC memory. Likewise for
7695	info->var_map.
7696	(free_nesting_tree): Free with ggc_free instead of free.
7697	(root): New static variable.
7698	(lower_nested_functions): Remove root as local variable.  And zero out
7699	root at the end of the function.
7700
77012005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7702
7703	PR rtl-optimization/20365
7704	* simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7705	to short.  New member ix.
7706	(simplify_plus_minus_op_data_cmp): Break ties using ix member.
7707	(simplify_plus_minus): Initialize ix members before calling qsort.
7708
77092005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7710
7711	PR tree-optimization/23626
7712	* tree-cfg.c (replace_uses_by): Clean up eh info.
7713
77142005-09-01  DJ Delorie  <dj@redhat.com>
7715
7716	* config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7717	fprintf.
7718
77192005-09-01  David Edelsohn  <edelsohn@gnu.org>
7720
7721	* config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7722	(rs6000_split_multireg_move): Use replace_equiv_address instead of
7723	gen_rtx_MEM.
7724
77252005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7726
7727	* c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
7728	do not issue warning for a variable definition following
7729	a declaration.
7730
77312005-09-01  Richard Henderson  <rth@redhat.com>
7732
7733	PR 23668
7734	* config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7735	conversion to CONST_VECTOR.
7736
77372005-09-01  Richard Henderson  <rth@redhat.com>
7738
7739	PR 23676
7740	* reload1.c (reload_as_needed): Check !CALL_P before calling
7741	fixup_eh_region_note.
7742	* rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7743
77442005-09-01  DJ Delorie  <dj@redhat.com>
7745
7746	* varasm.c (output_constant): Let the target resolve
7747	conversions of addresses to non-default pointer sizes.
7748
77492005-09-01  Nicolas Pitre <nico@cam.org>
7750
7751	* config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7752	to alow matching ARM pre-indexed addressing mode.
7753	(arm_override_options): Remove now irrelevant comment.
7754
77552005-09-01  Phil Edwards  <phil@codesourcery.com>
7756
7757	* config.gcc (i*86-wrs-vxworks): Update.  Split out vxworksae target.
7758	* config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
7759	* config/i386/vxworks.h: Likewise.
7760	* config/i386/t-vxworksae: New file, for VxWorks AE.
7761	* config/i386/vxworksae.h: Likewise.
7762
77632005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7764
7765	PR tree-optimization/23410
7766	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7767	sequence is not wrapping during the first step.
7768
77692005-09-01  Jakub Jelinek  <jakub@redhat.com>
7770
7771	PR debug/7241
7772	* dwarf2out.c (base_type_die): Compare char_type_node with
7773	TYPE_MAIN_VARIANT (type), not type.
7774
77752005-09-01  Richard Guenther  <rguenther@suse.de>
7776
7777	PR tree-optimization/15366
7778	* common.opt: Add -finline-functions-called-once.
7779	Put -fearly-inlining in alphabetically ordered place.
7780	* doc/invoke.texi: Document new option.
7781	* ipa-inline.c (cgraph_decide_inlining): Honour
7782	flag_inline_functions_called_once.
7783
77842005-09-01  Jakub Jelinek  <jakub@redhat.com>
7785
7786	PR rtl-optimization/23478
7787	* local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7788	(alloc_qty): Initialize it.
7789	(update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7790	(combine_regs): Combine also n_throwing_calls_crossed fields.
7791	(find_free_reg): Don't attempt to caller-save pseudos crossing
7792	calls that might throw.
7793	* global.c (struct allocno): Add throwing_calls_crossed field.
7794	(global_alloc): Revert 2005-08-22 change.  Initialize
7795	throwing_calls_crossed.
7796	(find_reg): Don't attempt to caller-save pseudos crossing calls that
7797	might throw.
7798
77992005-09-01  Alan Modra  <amodra@bigpond.net.au>
7800
7801	PR target/23649
7802	* config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7803	(mask64_operand): Reinstate code prior to 2005-06-11 change.
7804	(mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7805	(and64_2_operand): Tweak to use predicate.
7806	(and_operand): Adjust for mask_operand changes.
7807	* config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7808	(print_operand): Likewise.
7809	(rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7810	(mask64_1or2_operand): Delete.
7811	* rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7812	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7813	(EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7814	(EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7815	* config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7816	(rotldi3_internal4): Likewise.
7817	(rotldi3_internal5, rotldi3_internal5 split): Likewise.
7818	(rotldi3_internal6, rotldi3_internal6 split): Likewise.
7819	(ashldi3_internal7): Likewise.
7820	(ashldi3_internal8, ashldi3_internal8 split): Likewise.
7821	(ashldi3_internal, ashldi3_internal9 split): Likewise.
7822	(anddi3 split): Don't match mask64_operand.
7823	(anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7824	(anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7825	splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7826	't' splitter predicate.
7827	(movdi_internal64 + 2): Revert 2005-06-11 change.
7828
78292005-08-31  DJ Delorie  <dj@redhat.com>
7830
7831	* config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7832	(m32c_asm_integer): Add support for 32 bit pointers.
7833
78342005-08-31  Richard Henderson  <rth@redhat.com>
7835
7836	* emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7837	component-like references for setting MEM_NOTRAP_P.
7838
7839	* config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7840	* config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7841
78422005-08-31  Richard Henderson  <rth@redhat.com>
7843
7844	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7845	into a pseudo before applying gen_lowpart.
7846
78472005-08-31  Geoffrey Keating  <geoffk@apple.com>
7848
7849	* doc/install.texi (Specific): Update cctools version required
7850	for full functionality.
7851	* config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7852	linkers as -macosx_version_min.
7853
78542005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7855
7856	PR target/21255
7857	* sh.c (print_operand, %R and %S): Add handling of floating point
7858	registers, memory, constants and invalid operands.
7859
78602005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7861
7862	* ipa-pure-const.c: Change dump name.
7863
78642005-08-31 Uros Bizjak <uros@kss-loka.si>
7865
7866	PR target/23570
7867	* config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7868	to "reg_or_0_operand".
7869	(sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7870
78712005-08-31  Dale Johannesen  <dalej@apple.com>
7872
7873	* loop-iv.c (iv_number_of_iterations): Fix overflow check for
7874	loops that count down.
7875
78762005-08-31  Richard Henderson  <rth@redhat.com>
7877
7878	PR rtl-opt/23601
7879	* reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7880	(fixup_eh_region_note): New.
7881	(reload_as_needed): Call it.
7882	(fixup_abnormal_edges): Allow all throwing insns to be deleted;
7883	don't call find_many_sub_basic_blocks; call verify_flow_info.
7884	* function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7885	(keep_stack_depressed): Likewise.
7886	(assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7887
78882005-08-31  Richard Henderson  <rth@redhat.com>
7889
7890	* config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7891	fp return matching.
7892
78932005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7894
7895	* expr.c (expand_expr_real_1): Compare size of address
7896	mode to target's address mode size in deciding expansion of
7897	the constant address.
7898
78992005-08-31  Richard Guenther  <rguenther@suse.de>
7900
7901	PR middle-end/23477
7902	* expr.c (all_zeros_p): New function.
7903	(expand_expr_real_1): Handle the case of an all-zero
7904	non-addressable constructor separately.
7905
79062005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7907
7908	* builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7909	arguments, adjust all callers.
7910	(expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7911
79122005-08-30  Richard Henderson  <rth@redhat.com>
7913
7914	PR target/23630
7915	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7916	whenever the mode sizes match.
7917
79182005-08-31  Alan Modra  <amodra@bigpond.net.au>
7919
7920	* calls.c (load_register_parameters): Fix comment typo.
7921	* expr.c (emit_push_insn): Comment formatting.
7922
79232005-08-30  Ian Lance Taylor  <ian@airs.com>
7924
7925	* config/i386/x-cygwin (host-cygwin): Change dependency from
7926	hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7927
79282005-08-29  Geoffrey Keating  <geoffk@apple.com>
7929
7930	* config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7931	parts of 'vals'.
7932
79332005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7934
7935	PR middle-end/23408
7936	* ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7937	call to ggc_collect.
7938
79392005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7940
7941	PR bootstrap/21268
7942	* Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7943	beginning.  Remove $(INCLUDES) from all the rules, if following
7944	$(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7945
79462005-08-29  Jakub Jelinek  <jakub@redhat.com>
7947
7948	PR middle-end/23484
7949	* builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7950	fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7951	not constant, but maxlen is, don't set len to maxlen, rather
7952	set maxlen to len if len is a constant.
7953
79542005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7955
7956	PR tree-optimization/23475
7957	* tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7958	and counts.
7959
79602005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7961
7962	Fix PR middle-end/22455
7963
7964	* fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7965	Checksum only the parts of the tree that exist for the tree code.
7966
79672005-08-28  Dale Johannesen  <dalej@apple.com>
7968
7969	* config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
7970
79712005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7972
7973	* tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7974
79752005-08-28  Richard Henderson  <rth@redhat.com>
7976
7977	* stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7978	* tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7979	of char_type_node.
7980
79812005-08-28  Jakub Jelinek  <jakub@redhat.com>
7982
7983	PR ada/23593
7984	* builtins.c (get_memory_rtx): Don't strip nops
7985	in between COMPONENT_REFs.
7986
79872005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7988
7989	PR middle-end/23463
7990	* gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7991	types.
7992	(gimplify_modify_expr): Check for zero sized types and gimplify the
7993	rhs and lhs as statements.
7994
79952005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7996
7997	PR libgcj/23508
7998	* pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7999	state for return address column of signal frames.
8000
80012005-08-27  David Edelsohn  <edelsohn@gnu.org>
8002
8003	PR target/23539
8004	* config/rs6000/rs6000.c (expand_block_clear): Use HImode when
8005	bytes >= 2 not bytes == 2.
8006	(expand_block_move): Same.
8007
80082005-08-27  Richard Guenther  <rguenther@suse.de>
8009
8010	PR target/23575
8011	* config/i386/sse.md (sse2_movsd): Add missing closing
8012	braces.
8013
80142005-08-27  Paul Brook  <paul@codesourcery.com>
8015
8016	* genrecog.c (enum decision_type): Add DT_num_insns.
8017	(struct decision_test): Add u.num_insns.
8018	(add_to_sequence): Add DT_num_insns test.
8019	(maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
8020	(write_cond, debug_decision_2): Ditto.
8021	(change_state): Assume peep2_next_insn never fails.
8022	Remove "afterward" argument.
8023	(write afterward, write_tree): Update to match.
8024	* recog.c (peep2_current_count): New variable.
8025	(peep2_next_insn): Check it.
8026	(peephole2_optimize): Set peep2_current_count.
8027	* recog.h (peep2_current_count): Declare.
8028
80292005-08-26  Josh Conner  <jconner@apple.com>
8030
8031	PR middle-end/23584
8032	* ipa-pure-const.c (check_tree): Check for volatile-ness
8033	when considering a dereference.
8034
80352005-08-27  Jakub Jelinek  <jakub@redhat.com>
8036
8037	* rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
8038
80392005-08-26  Jakub Jelinek  <jakub@redhat.com>
8040
8041	PR rtl-optimization/23561
8042	* builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
8043	a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
8044	at most LEN bytes long memory fits into the field.
8045	(expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
8046	expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
8047	expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
8048
80492005-08-26  Richard Henderson  <rth@redhat.com>
8050
8051	PR rtl-opt/23560
8052	* loop.c (biased_biv_may_wrap_p): New.
8053	(maybe_eliminate_biv_1): Use it to suppress non-equality
8054	comparison transformations.  Delete disabled code.
8055
80562005-08-26  Ian Lance Taylor  <ian@airs.com>
8057
8058	* combine.c (make_extraction): Avoid reference outside object.
8059
80602005-08-26  J"orn Rennecke <joern.rennecke@st.com>
8061
8062	* stor-layout.c (finalize_type_size): Restore behaviour for
8063	non-aggregate types to the status quo ante of the patch for
8064	pr 23467.  Document why it matters.
8065
80662005-08-26  Jakub Jelinek  <jakub@redhat.com>
8067
8068	PR c/23506
8069	* c-common.c (c_common_nodes_and_builtins): Increase builtin_types
8070	array by one element, initialize the BT_LAST element with NULL.
8071
80722005-08-26  David Edelsohn  <edelsohn@gnu.org>
8073
8074	* config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
8075	optimizing for size.
8076	(plus_eqsi): Same.
8077	(compare_plus_eqsi): Same.
8078	(plus_eqsi_compare): Same.
8079	(neg_eq0<mode>): Same.
8080	(neg_eq<mode>): Same.
8081
8082	* config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
8083	PROCESSOR_POWER4.
8084
80852005-08-26  Nick Clifton  <nickc@redhat.com>
8086
8087	* config/v850/v850.c (ep_memory_operand): Return FALSE if
8088	TARGET_EP is not defined.
8089	* config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
8090	TARGET_EP is enabled.
8091	(OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
8092	* config/v850/v850.md (save_all_interrupt): Only use the EP
8093	register if TARGET_EP is defined.
8094	(restore_all_interrupt): Likewise.
8095	* config/v850/lib1funcs.asm: Update functions so that the EP
8096	register is only used if __EP__ is defined.
8097
80982005-08-26  David Ung  <davidu@mips.com>
8099
8100	* config/mips/mips.c (mips_expand_prologue): Handle case when
8101	generating for MIPS16 and the outgoing argument area is more than
8102	SMALL_OPERAND. Use the frame pointer as temporary to generate the
8103	add instruction.
8104
81052005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
8106
8107	* config/crx/crx.md: Make doloop_end pattern usage controllable
8108	via mloop-nesting=<max-nesting> command line switch. Make sure
8109	the combiner cannot use doloop_end_<mode> in an illegal way.
8110	* config/crx/crx.c: Use regs up to r6 for argument passing.
8111	Refine crx_address_cost (non cst4 displacements are expensive).
8112	* config/crx/crx.opt: Add switch for mloop-nesting=.
8113
81142005-08-26  Adrian Straetling  <straetling@de.ibm.com>
8115
8116	* config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
8117	(UNSPEC_MVST): New constant.
8118
81192005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
8120
8121	* config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
8122	Reject operands containing eliminable registers.
8123	* testsuite/gcc.dg/20050825-1.c: New testcase.
8124
81252005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8126	    Jan Hubicka  <jh@suse.cz>
8127
8128	* regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
8129
81302005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8131
8132	PR tree-optimization/23546
8133	* tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
8134	and REAL_CST nodes.
8135
81362005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
8137
8138	* params.def (PARAM_MIN_SPEC_PROB): New.
8139	* sched-rgn.c (MIN_PROBABILITY): Delete.
8140	(compute_trg_info): Convert to PARAM_VALUE.
8141	* doc/invoke.texi (param): Document min-spec-prob.
8142
81432005-08-24  Fariborz Jahanian <fjahanian@apple.com>
8144
8145	* config/darwin.h: define __PIC__
8146	* config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
8147	TARGET_OS_CPP_BUILTINS macro.
8148
81492005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8150
8151	* config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
8152	yesterday.
8153
81542005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8155
8156	* bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
8157	to duplicate_block.
8158	* cfghooks.c (duplicate_block): Added position where to place
8159	new block as argument.
8160	* cfghooks.h (duplicate_block): Declaration changed.
8161	* cfglayout.c (copy_bbs): Add argument after.  Pass it to
8162	duplicate_block.
8163	* cfglayout.h (copy_bbs): Declaration changed.
8164	* cfgloop.h (loop_version): Declaration changed.
8165	* cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
8166	position to copy_bbs.
8167	(loop_version): Pass position to duplicate_loop_to_header_edge.
8168	Add place_after argument and position new blocks according to
8169	it.
8170	* modulo-sched.c (sms_schedule): Pass place_after argument
8171	to loop_version.
8172	* tracer.c (tail_duplicate): Pass argument to duplicate_block.
8173	* tree-cfg.c (split_edge_bb_loc): New function.
8174	(tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
8175	to determine position of new blocks.
8176	* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
8177	to loop_version.
8178	* tree-ssa-threadupdate.c (create_block_for_threading): Pass
8179	argument to duplicate_block.
8180	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
8181	Pass position to copy_bbs.
8182
81832005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8184
8185	* fold-const.c (ptr_difference_const): Use
8186	cst_and_fits_in_hwi instead of host_integerp.
8187
81882005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8189
8190	* config/darwin.c (gen_pic_offset): New.
8191	(machopic_indirect_data_reference,  machopic_legitimize_pic_address):
8192	Use it.
8193
81942005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
8195
8196	PR tree-optimization/23486
8197	* tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
8198
81992005-08-23  Phil Edwards  <phil@codesourcery.com>
8200
8201	* config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
8202	remove use_collect2.
8203	(powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
8204
8205	* target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
8206	configuration files to override the default value.
8207
8208	* config/t-vxworks: Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8209	EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8210	* config/vx-common.h: New file, split out from...
8211	* config/vxworks.h: here.  Update for VxWorks 6.x and RTP mode.
8212	* config/vxworksae.h: New file, for VxWorks AE.
8213	* config/vxworks.opt: New file.
8214	* config/vxlib.c: Update for VxWorks 6.
8215
8216	* config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list.  Adjust
8217	other MULTILIB_* variables appropriately.
8218	(LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
8219	* config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
8220	* config/rs6000/vxworks.h: Update for VxWorks 6.
8221	* config/rs6000/vxworksae.h: New file, mostly placeholder for now.
8222
82232005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8224
8225	PR target/20799
8226	* config/darwin.c (machopic_select_section): Remove the hack to
8227	mark "::operator new" and "::operator delete" for coalescing
8228	even though they are not weak.
8229
82302005-08-24  Alan Modra  <amodra@bigpond.net.au>
8231
8232	* configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8233	* configure: Regenerate.
8234
82352005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8236
8237	PR middle-end/23517
8238	* fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8239	between vectors.
8240	* convert.c (convert_to_integer, convert_to_vector): Likewise.
8241	* tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8242	Likewise.
8243
82442005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8245
8246	* config/rs6000/predicates.md (equality_operator): New.
8247	* config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8248	comparison with a large constant.
8249
82502005-08-23  Mark Mitchell  <mark@codesourcery.com>
8251
8252	* hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8253
82542005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8255
8256	* sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8257	registers is even, and we have a hardware double precision fp,
8258	align the buffer.
8259	(sh_gimplify_va_arg_expr): For floating point arguments, consider
8260	size of current argument when checking if argument was passed in
8261	registers.
8262
8263	* sh.c (sh_attr_renesas_p): Handle error_mark_node.
8264
8265	PR middle-end/23467
8266	* stor-layout.c (finalize_type_size): Dont override
8267	existing alignment with a smaller alignment from the mode.
8268
82692005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8270
8271	* lambda-code.c (lambda_vector_lexico_pos): Moved...
8272	* lambda.h (lambda_vector_lexico_pos): ... here.
8273	* tree-data-ref.c (build_classic_dist_vector): Return false when
8274	the distance vector is lexicographically negative.
8275
82762005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8277
8278	PR tree-optimization/23511
8279	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8280	handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8281
82822005-08-23  Jakub Jelinek  <jakub@redhat.com>
8283
8284	PR tree-optimization/22043
8285	* tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8286	* expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8287	If ALLOW_FLEXARR, handle types ending with flexible array member.
8288	Pass false as second argument to recursive count_type_elements calls.
8289	(categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8290	argument to count_type_elements call.
8291	* tree-sra.c (decide_block_copy): Likewise.
8292	* gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8293	for a constant-sized object, set cleared as well.  Pass true as
8294	second argument to count_type_elements call.
8295
82962005-08-23  Alan Modra  <amodra@bigpond.net.au>
8297
8298	PR target/21571
8299	* config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8300	from legitimate_small_data_p, and make global.  Update use.
8301	Remove forward declaration.
8302	* config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8303	Declare.
8304	* config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8305
83062005-08-23  David Edelsohn  <edelsohn@gnu.org>
8307
8308	* config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8309	of scratch intermediates.
8310	(eq<mode>_compare): Same.
8311	(neg_eq0<mode>): New.
8312	(neg_eq<mode>): Convert to define_insn_and_split.
8313
83142005-08-23  Alan Modra  <amodra@bigpond.net.au>
8315
8316	PR target/23070
8317	* config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8318	stdarg functions, set/clear the fp marker even when no variable
8319	args are passed.
8320	* config/rs6000/sysv4.opt (mprototype): Describe.
8321
83222005-08-22  Jakub Jelinek  <jakub@redhat.com>
8323
8324	PR rtl-optimization/23478
8325	* regs.h (reg_info): Add throw_calls_crossed.
8326	(REG_N_THROWING_CALLS_CROSSED): Define.
8327	* flow.c (allocate_reg_life_data): Initialize
8328	REG_N_THROWING_CALLS_CROSSED.
8329	(propagate_one_insn, attempt_auto_inc): Update
8330	REG_N_THROWING_CALLS_CROSSED.
8331	* global.c (global_alloc): Don't allocate pseudos across
8332	calls that may throw.
8333
83342005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8335
8336	PR c/18715
8337	* c-common.c (c_do_switch_warnings): Look for a node where the enum's
8338	value is inbetween the range if we did not find an exact match.
8339
83402005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8341
8342	* doc/invoke.texi (Option Summary): Add ms1 options.
8343	* doc/extend.texi: Document interrupt handler attribute for ms1.
8344	* doc/md.texi: Document ms1 constraints.
8345	* config.gcc: Add ms1-*-elf.
8346	* config/ms1/ms1.h: New.
8347	* config/ms1/ms1.c: New.
8348	* config/ms1/ms1.md: New.
8349	* config/ms1/ms1-protos.h: New.
8350	* config/ms1/ABI.txt: New.
8351	* config/ms1/crti.asm: New.
8352	* config/ms1/crtn.asm: New.
8353	* config/ms1/lib2extra-funcs.c: New.
8354	* config/ms1/t-ms1: New.
8355	* config/ms1/ms1.opt: New.
8356
83572005-08-22 Ira Rosen <irar@il.ibm.com>
8358
8359	* config/rs6000/altivec.md (xorv4sf3): New.
8360	(negv4sf2, neg<mode>2): Likewise.
8361
83622005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8363
8364	PR target/23485
8365	* config/ia64/ia64.md (divsi3): Check divide by zero.
8366	(udivsi3): Likewise.
8367	(divdi3): Likewise.
8368	(udivdi3): Likewise.
8369
83702005-08-21  Jakub Jelinek  <jakub@redhat.com>
8371
8372	* simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8373	up to elem_bitsize bits, not max_bitsize.
8374
83752005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8376
8377	PR tree-optimization/23433
8378	* tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8379	REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8380
83812005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8382
8383	PR tree-optimization/23434
8384	* tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8385	the iteration bound is not an INTEGER_CST.
8386
83872005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8388
8389	* tree-vect-transform.c (get_initial_def_for_reduction): Set
8390	need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8391	NULL if need_epilog_adjust is false.
8392	(vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8393	Case 3 always peels first itration, not just for PLUS case, and no need
8394	to use scalar_initial_def here. Create an epilog adjustment only if
8395	scalar_initial_def is not NULL.
8396
8397	(vectorizable_reduction): Remove assert.
8398
83992005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8400
8401	PR target/23485
8402	* config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8403	(__moddi3): Likewise.
8404	(__udivdi3): Likewise.
8405	(__umoddi3): Likewise.
8406	(__divsi3): Likewise.
8407	(__modsi3): Likewise.
8408	(__udivsi3): Likewise.
8409	(__umodsi3): Likewise.
8410
84112005-08-20  Jakub Jelinek  <jakub@redhat.com>
8412
8413	* tree-pass.h (TDF_GRAPH): Define.
8414	* tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8415	* passes.c (finish_optimization_passes): Only call
8416	finish_graph_dump_file if TDF_GRAPH is set.
8417	(execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8418	NULL.  Set TDF_GRAPH bit.
8419	(execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8420
84212005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8422
8423	* arm.h (arm_stack_offsets): Add locals_base field.
8424	* arm.c (arm_get_frame_offsets): Compute it.
8425	(thumb_compute_initial_elimination offset): Make the Thumb frame
8426	pointer point to the base of the local variables.
8427	(thumb_expand_prologue): Update accordingly.
8428	(thumb_expand_epilogue): Likewise.
8429
8430	* arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8431	mode of clobbered scratch to DImode.  Handle a case that's known to
8432	need this.
8433
84342005-08-19  David Edelsohn  <edelsohn@gnu.org>
8435
8436	* config/rs6000/rs6000.md (gt0<mode>): Delete.
8437	(gt0<mode>_compare): Delete.
8438	(neg_gt0<mode>): Delete.
8439
84402005-08-19  Eric Christopher  <echristo@apple.com>
8441
8442	* optabs.h: Change CTI_ to COI_.
8443	* optabs.c: Ditto.
8444
84452005-08-19  James E Wilson  <wilson@specifix.com>
8446
8447	* builtins.c (expand_builtin_return_addr): Set
8448	current_function_accesses_prior_frames when count != 0.  Use
8449	frame_pointer_rtx when count == 0.
8450	* function.h (struct function): Add accesses_prior_frames field.
8451	(current_function_accesses_prior_frames): Define.
8452	* reload1.c (init_elim_table): Check
8453	current_function_accesses_prior_frames.
8454	* doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8455
84562005-08-19  Diego Novillo  <dnovillo@redhat.com>
8457
8458	* tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8459	indicator.  Return true if the flowgraph changed during
8460	cleanup.
8461
84622005-08-19  Diego Novillo  <dnovillo@redhat.com>
8463
8464	PR 23476
8465	* tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8466	conditional expression before testing its value.
8467
84682005-08-19  Diego Novillo  <dnovillo@redhat.com>
8469
8470	* doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8471
84722005-08-19  Devang Patel  <dpatel@apple.com>
8473
8474	PR tree-optimization/23048
8475	* tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8476	third parameter. Check whether latch is dominated by exit
8477	block or not.
8478	(if_convertible_loop_p): Supply exit block itself to
8479	if_convertible_bb_p.
8480
84812005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8482
8483	PR target/23473
8484	* arm.md (arm_load_pic_register): Change argument to the mask of
8485	saved registers.  Call thumb_find_work_register if we need a
8486	scratch register on Thumb.
8487	(arm_expand_prologue): Pass empty register set to
8488	arm_load_pic_register.
8489	(thumb_expand_prologue): Pass live_regs_mask directly to
8490	arm_load_pic_register.
8491	* arm-protos.h (arm_load_pic_register): Update prototype.
8492
84932005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8494
8495	* sh.c (find_sole_member): New function.
8496	(sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8497	if the record's alignment is larger than the size of its only member.
8498
84992005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8500
8501	PR target/23436
8502	* arm.c (thumb_legitimize_reload_address): New function.
8503	* arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8504	* arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8505
85062005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8507
8508	* config/crx/crx.c: Implement crx_decompose_address. Reject
8509	symbolic displacements since CRX register relative adressing
8510	mode can't handle unsigned 32-bit values as displacements.
8511	* config/crx/crx.h: Simplify definitions, remove redundant
8512	parenthesis and obsolete macros.
8513	* config/crx/crx.opt: Add new switch for debugging addresses.
8514	* config/crx/crx-protos.h: Add new declarations for above.
8515
85162005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8517
8518	PR middle-end/20624
8519	* gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8520	looking past it.
8521
85222005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8523
8524	* collect2.c (dup2): Delete.
8525	* configure.ac: Don't check for dup2.
8526
8527	* config.in, configure: Regenerate.
8528
85292005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8530
8531	* sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8532	record with the type of its only member.
8533
85342005-08-18  David Edelsohn  <edelsohn@gnu.org>
8535
8536	* config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8537	define_insn_and_split.
8538	(plus_ltu<mode>_compare): Same.
8539	(gtu<mode>_compare): Same.
8540	(plus_gtu<mode>_compare): Same.
8541
85422005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8543
8544	PR tree-optimization/22228
8545	* tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8546	todo_flags_start.
8547	* tree-vect-transform.c (vect_transform_loop): Mark the variables that
8548	are recorded in vect_vnames_to_rename for renaming.
8549	* tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8550	(slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8551	in vect_vnames_to_rename.
8552	(vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8553	* tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8554
85552005-08-18  Jan Hubicka  <jh@suse.cz>
8556
8557	PR c++/22034
8558	* cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8559	info only for local statics, not for member variables.
8560
85612005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8562
8563	* tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8564
85652005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8566
8567	* c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8568
85692005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8570
8571	PR middle-end/16045
8572	* builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8573
85742005-08-17  James E Wilson  <wilson@specifix.com>
8575
8576	* c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8577	array size check.
8578
85792005-08-17  David Edelsohn  <edelsohn@gnu.org>
8580
8581	* config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8582	(leu<mode>_compare): Same.
8583	(plus_leu<mode>): Same.
8584	(neg_leu<mode>): Same.
8585	(and_neg_leu<mode): Same.
8586	(ltu<mode>_compare): Same.
8587	(plus_ltu<mode>): Same.
8588	(geu<mode>): Same.
8589	(geu<mode>_compare): Same.
8590	(plus_geu<mode>): Same.
8591	(neg_geu<mode>): Same.
8592	(and_neg_geu<mode>): Same.
8593	(plus_gt<mode>): Same.
8594	(gtu<mode>_compare): Same.
8595	(plus_gtu<mode>): Same.
8596
85972005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8598
8599	* config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8600	Move call_table_data to end.  Delete spurious .text.
8601	(callt_save_all_interrupt): Fix comment typo.
8602
86032005-08-17  James E Wilson  <wilson@specifix.com>
8604	    Kevin Winchester  <winchester@amirix.com>
8605
8606	PR target/21684
8607	* config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8608
86092005-08-17  Uros Bizjak  <uros@kss-loka.si>
8610
8611	PR target/23268
8612	* config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8613	("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8614
86152005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8616
8617	* sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8618	record with the type of its only member if the modes don't match.
8619
8620	* varasm.c (decode_reg_name): Skip empty additional register names.
8621
86222005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8623
8624	* tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8625	lsm_tmp_name_length): New.
8626	(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8627	(schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8628
86292005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8630	    Andreas Krebbel  <krebbel1@de.ibm.com>
8631
8632	* config.gcc: Added z9-109 switch.
8633	* config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8634	"x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8635	"x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8636	"x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8637	"x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8638	for "z9_109" cpu attribute.
8639	* config/s390/s390.c (z9_109_cost): New processor cost structure.
8640	(CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8641	(s390_handle_arch_option): Added z9-109 switch.
8642	(override_options): Set respective cost function for z9-109.
8643	(s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8644	(legitimate_reload_constant_p): Accept extended immediates.
8645	(print_operand): Three new output modifiers added: k, m and o.
8646	(s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8647	(s390_output_mi_thunk): Use extended immediate when possible.
8648	* config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8649	(TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8650	(CONSTRAINT_LEN): Added length of O constraint.
8651	(CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8652	* config/s390/s390.md ("cpu"): New value z9_109 added.
8653	("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8654	"*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8655	"*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8656	"*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8657	"*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8658	("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8659	"*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8660	"*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8661	("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8662	"*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8663	"*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8664	"*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8665	"*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8666	"*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8667	"*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8668	immediates.
8669	("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8670	"zero_extend<mode>si2"): Allow memory operands and don't manually emit
8671	insns for TARGET_EXTIMM.
8672
86732005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8674
8675	* testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8676
86772005-08-17  Nick Clifton  <nickc@redhat.com>
8678
8679	* config/stormy16/stormy16.c (xstormy16_encode_section_info):
8680	Call default_encode_section_info.
8681
86822005-08-17  Steven Bosscher  <stevenb@suse.de>
8683
8684	PR tree-optimization/21574
8685	* tree-ssa-ccp.c (likely_value): If the right hand side is a
8686	constant, return CONSTANT.
8687	(ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8688	(ccp_fold, visit_assignment): Likewise.
8689	(evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8690
86912005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8692
8693	* c-typeck.c (build_function_call): Call fold_buildN_initializer or
8694	fold_buildN instead of buildN then fold_initializer or fold.
8695	(build_unary_op): Likewise.
8696	(build_binary_op): Likewise.
8697	* fold-const.c (fold_initializer): Remove.
8698	(fold_build1_initializer): New function.
8699	(fold_build2_initializer): New function.
8700	(fold_build3_initializer): New function.
8701	* tree.h (fold_initializer): Remove.
8702	(fold_build1_initializer): New function.
8703	(fold_build2_initializer): New function.
8704	(fold_build3_initializer): New function.
8705
87062005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8707
8708	* fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8709	(try_move_mult_to_index): Call fold_build2 instead of build2.
8710	(fold_binary): Don't call fold after calls to try_move_mult_to_index.
8711	* tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8712	fold_binary_to_constant.
8713	(infer_loop_bounds_from_undefined): Call fold_build2 instead of
8714	fold (build.
8715	* tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8716	check if A == gcd (A, B).  Remove TYPE argument.
8717	(analyze_offset) Use fold_build2 instead of fold (build.
8718	(create_data_ref): Likewise.
8719	(analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8720	* tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8721	then fold.
8722
87232005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8724
8725	* config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8726	ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8727
87282005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8729
8730	PR tree-opt/23402
8731	* gimplify.c (zero_sized_type): New function.
8732	(gimplify_modify_expr_rhs): If we have a zero sized type,
8733	replace the statement with an empty statement.
8734
87352005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8736
8737	* config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8738	fxsave.
8739
87402005-08-16  Ian Lance Taylor  <ian@airs.com>
8741
8742	* doc/tm.texi (Label Output): Correct typo.
8743
87442005-08-16  Steven Bosscher  <stevenb@suse.de>
8745
8746	PR target/23376
8747	* loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8748	force_operand will work later on using have_insn_for.
8749
87502005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8751
8752	* fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8753
87542005-08-16  Ian Lance Taylor  <ian@airs.com>
8755
8756	PR c++/23337
8757	* gimplify.c (gimplify_init_ctor_eval): If we see an element of
8758	vector type, don't try to construct it element by element.  Add an
8759	assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8760
87612005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8762
8763	* fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8764
87652005-08-16  Geoffrey Keating  <geoffk@apple.com>
8766
8767	* doc/invoke.texi (Precompiled Headers): Document some more options
8768	which are known to be safe.
8769
87702005-08-16  James E Wilson  <wilson@specifix.com>
8771
8772	PR tree-optimization/21105
8773	* c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8774	TREE_OVERFLOW check.
8775
87762005-08-16  David Edelsohn  <edelsohn@gnu.org>
8777
8778	* config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8779	(neg_ltu<mode>): Same.
8780	(gtu<mode>): Same.
8781	(neg_gtu<mode>): Same.
8782
87832005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8784
8785	* builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8786	(fold_builtin_isdigit): Use fold_buildN.
8787	(build_function_call_expr): Likewise.
8788	* c-typeck.c (c_finish_loop): Likewise.
8789
87902005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8791	    Richard Shann <rshann@superh.com>
8792
8793	PR middle-end/20396:
8794	* optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8795
87962005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8797
8798	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8799
88002005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8801
8802	PR target/23355
8803	* arm.c (thumb_compute_save_reg_mask): Use similar logic to
8804	arm_compure_save_reg0_reg12_mask to determine when the PIC register
8805	must be saved.
8806
88072005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8808
8809	PR middle-end/23369
8810	* fold-const.c (build_range_check): Disable optimization for function
8811	pointer expressions on targets that require function pointer
8812	canonicalization.
8813
88142005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8815
8816	* simplify-rtx.c (simplify_const_relational_operation): When
8817	extracting arguments of a COMPARE, recompute the mode as well.
8818
88192005-08-15  Ian Lance Taylor  <ian@airs.com>
8820
8821	* tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8822
88232005-08-15  DJ Delorie  <dj@redhat.com>
8824
8825	* config/m32c/mov.md (movqi_op): Immediates can't be moved to
8826	the stack.
8827	(movsi_splittable): Allow, but split, moves to the stack.
8828	* config/m32c/m32c.c (m32c_split_move): Always split moves to the
8829	stack.
8830
88312005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8832
8833	* aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8834	* configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8835	* system.h (HOST_PTR_PRINTF): Don't define, poison it.
8836
8837	* bitmap.c, c-decl.c, config/i386/i386-interix.h,
8838	config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8839	Delete HOST_PTR_PRINTF.
8840
8841	* configure, config.in: Regenerate.
8842
88432005-08-15  David Edelsohn  <edelsohn@gnu.org>
8844
8845	* config/rs6000/rs6000.md (QHSI): New mode macro.
8846	(wd): Extend mode attr for QImode and HImode
8847	(dbits): New mode attr.
8848	(zero_extend<mode>di2): Convert to mode macro.
8849
88502005-08-15  Steve Ellcey  <sje@cup.hp.com>
8851
8852	PR target/21841
8853	* doc/invoke.texi (-mgnu-ld): Update description.
8854	(-mhp-ld): Ditto.
8855
88562005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8857
8858	PR 23391
8859	* Makefile.in (tree-chrec.o): Depends on real.h.
8860	* tree-chrec.c: Include real.h.
8861	(chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8862	chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8863	* tree-scalar-evolution.c (add_to_evolution_1,
8864	interpret_rhs_modify_expr): Ditto.
8865
88662005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8867
8868	PR 23386
8869	* tree-data-ref.c (estimate_niter_from_size_of_data): When
8870	step is negative compute the estimation from init downwards to zero.
8871
88722005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8873
8874	* fold-const (fold_binary): Call fold_build2 instead of fold (build.
8875
88762005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8877
8878	* config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8879	constraint.
8880	(legitimate_reload_constant_p): Fix handling of lliXX operands.
8881	Accept double-word constants that can be split.
8882	* config/s390/s390.md ("movti"): Use 'P' constraint.
8883	("*movdi_31", "*movdf_31"): Likewise.
8884
88852005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8886
8887	Fix PR tree-optimization/22615
8888
8889	* tree-ssa-structalias.c (solution_set_add): Handle
8890	first_vi_for_offset returning NULL.
8891	(do_da_constraint): Ditto.
8892	(do_sd_constraint): Ditto.
8893	(do_ds_constraint): Ditto
8894	(find_func_aliases): Ditto.
8895	(build_constraint_graph): RHS is allowed be ANYTHING.
8896	(first_vi_for_offset): Return NULL if we couldn't find anything at
8897	the offset.
8898
88992005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8900
8901	* config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8902	over memory as first operand.
8903
89042005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8905
8906	PR target/23360
8907	* config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8908	available for setting it.
8909
89102005-08-14  Ira Rosen  <irar@il.ibm.com>
8911
8912	PR tree-optimization/23320
8913	* tree-data-ref.c (base_addr_differ_p): Add comment. Check
8914	data-refs' types instead of base object nullness. Add check for
8915	pointer type data-refs before first location comparison. Remove
8916	assert.
8917
89182005-08-14  Andreas Schwab  <schwab@suse.de>
8919
8920	* doc/md.texi (Machine Constraints): Fix misplaced @end table.
8921
89222005-08-13  James E Wilson  <wilson@specifix.com>
8923
8924	* doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8925	* doc/invoke.texi (-Wstack-protector, -fstack-protector,
8926	-fstack-protector-all, --param ssp-buffer-size): Document.
8927	(-Wvariadic-macros): Alphabetize.
8928	(-fsched-stalled-insns-dep): Add missing 'f'.
8929
8930	* c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8931	macros.
8932
89332005-08-13  David Edelsohn  <edelsohn@gnu.org>
8934
8935	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8936	or indirect address operand.
8937	(EXTRA_ADDRESS_CONSTRAINT): New.
8938	* config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8939
89402005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8941
8942	PR tree-optimization/22236
8943	* tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8944	successors and predecessors.
8945	* tree-chrec.c (chrec_convert): Before converting, check that
8946	sequences don't wrap.
8947	* tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8948	(analyze_array): Extern.
8949	(find_data_references_in_loop): Remove call to
8950	compute_estimated_nb_iterations.
8951	* tree-data-ref.h (analyze_array): Declared.
8952	* tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8953	single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8954	* tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8955	* tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8956	condition.
8957	* tree-ssa-loop-ivcanon.c: Fix documentation.
8958	* tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8959	* tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8960	(infer_loop_bounds_from_undefined): New.
8961	(estimate_numbers_of_iterations_loop): Use
8962	infer_loop_bounds_from_undefined.
8963	(used_in_pointer_arithmetic_p): New.
8964	(scev_probably_wraps_p): Pass an extra parameter.  Call
8965	used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8966	(convert_step): Fix documentation.
8967	* tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8968	Use initial_condition_in_loop_num and evolution_part_in_loop_num
8969	instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8970	scev_probably_wraps_p.
8971
89722005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8973
8974	* config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8975	(s390_register_info): Ignore clobbered_regs information for fixed
8976	registers, and only fixed registers.
8977	(s390_init_frame_layout): Remove redundant call.
8978
89792005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8980
8981	* doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8982	description of -Wold-style-casts.
8983
89842005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8985	    Jakub Jelinek  <jakub@redhat.com>
8986
8987	* config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8988	* config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8989	* config/s390/s390.c (print_operand): New output modifier 'G' added.
8990	(get_thread_pointer): Renamed to s390_get_thread_pointer.
8991	* config/s390/s390.md (stack_protect_set, stack_protect_test): If
8992	TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8993	(MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8994	(UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8995	("stack_protect_set", "stack_protect_test"): New expanders.
8996	("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8997	"stack_protect_testdi"): New insn definitions.
8998
89992005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9000
9001	* config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
9002
90032005-08-12  Paul Brook  <paul@codesourcery.com>
9004
9005	* config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
9006
90072005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9008
9009	* config/s390/predicates.md (setmem_operand): New predicate.
9010	(shift_count_operand): Accept ANDs with special constants as
9011	operand.
9012	* config/s390/s390.c (print_shift_count_operand): Skip ANDs
9013	with special constants.
9014	* config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
9015	shift_count_operand with setmem_operand.
9016
90172005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9018
9019	* config/s390/s390.c (s390_extract_part, s390_single_part):
9020	Type cast added.
9021	(s390_const_ok_for_constraint_p): Added SImode to the N constraint.
9022	(s390_output_mi_thunk): Don't use lg on 31 bit.
9023	* config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
9024	("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
9025
90262005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9027
9028	* config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
9029	(s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
9030	s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
9031	s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
9032	with one of the new macros.
9033
90342005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9035
9036	* config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
9037	Don't set save_return_addr_p.
9038	(s390_register_info): Make clobbered_regs not depending on
9039	save_return_addr_p.
9040
90412005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9042
9043	* gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
9044	(LINK_COMMAND_SPEC): Add space after %(link_ssp).
9045
90462005-08-11  James E. Wilson  <wilson@specifix.com>
9047
9048	* config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
9049
90502005-08-11  Jakub Jelinek  <jakub@redhat.com>
9051
9052	* dwarf2out.c (add_location_or_const_value_attribute): Prefer
9053	locations gathered by var-tracking in single entry loc_list
9054	over loc_descriptor_from_tree.
9055
9056	* dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
9057	pass it down to loc_descriptor.
9058	(loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
9059	(containing_function_has_frame_base): Move earlier in the file.
9060	(loc_descriptor_from_tree_1): Use containing_function_has_frame_base
9061	instead of always assuming fbreg can't be used.
9062
90632005-08-11  David Edelsohn  <edelsohn@gnu.org>
9064
9065	* config/rs6000/altivec.md: Change constraint "m" to "Z".
9066	* config/rs6000/predicates.md (indexed_or_indirect_operand):
9067	Accept address wrapped in AND for Altivec.
9068	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9069	Strip AND wrapping offset address for Altivec.
9070
90712005-08-11  Richard Henderson  <rth@redhat.com>
9072
9073	PR middle-end/23312
9074	* gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
9075	before using TYPE_IS_SIZETYPE.
9076
90772005-08-11  Richard Henderson  <rth@redhat.com>
9078
9079	PR target/22225
9080	* config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
9081	insn types not present on ev4.
9082	(alphaev5_insn_pipe): Similarly.
9083
90842005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
9085
9086	PR target/23250
9087	* arm.c (arm_override_options): If the user has selected callee-super-
9088	interworking, then enable normal interworking.
9089
90902005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9091
9092	* config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
9093	redefinition.
9094
90952005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
9096
9097	* doc/rtl.texi: Fix two typos.
9098
90992005-08-11  Richard Guenther  <rguenther@suse.de>
9100
9101	PR target/23289
9102	* config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
9103	cases where we call to/from functions returning void.
9104
91052005-08-10  James A. Morrison  <phython@gcc.gnu.org>
9106
9107	PR c++/23225
9108	* tree.c (build_pointer_type_for_mode): Robustify.
9109
91102005-08-10  James E Wilson  <wilson@specifix.com>
9111
9112	* defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
9113	(ASM_OUTPUT_ADDR_VEC_ELT): Delete.
9114
9115	* config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
9116	"cum->".
9117
91182005-08-10  Eric Christopher  <echristo@apple.com>
9119
9120	* config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
9121	* config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
9122	V2DFmode.
9123
91242005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
9125
9126	PR target/21887
9127	* config/darwin.c (machopic_indirect_data_reference): Use a new register
9128	for the high part when generating dynamic-no-pic code.
9129
91302005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
9131
9132	* config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
9133	(x86_64-*-linux*): Likewise.
9134
9135	* config/i386/crtfastmath.c: New file.
9136	* config/i386/t-crtfm: Likewise.
9137
9138	* config/i386/linux.h (ENDFILE_SPEC): New.
9139	* config/i386/linux64.h (ENDFILE_SPEC): Likewise.
9140
9141	* config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9142	crtfastmath.o.
9143
91442005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9145
9146	* doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
9147	(vec_shl, vec_shr): Document new operations.
9148	* tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
9149
91502005-08-10  David Edelsohn  <edelsohn@gnu.org>
9151
9152	* config/rs6000/predicates.md (indexed_or_indirect_address): New.
9153	* config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
9154	change predicate to indexed_or_indirect_address.
9155
91562005-08-10  Richard Sandiford  <richard@codesourcery.com>
9157
9158	* config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
9159	* config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
9160	__aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
9161	and __aeabi_uwrite8.
9162	* config/arm/unaligned-funcs.c: New file.
9163	* config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
9164
91652005-08-09  Paolo Bonzini  <bonzini@gnu.org>
9166
9167	* bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
9168	Add dump.
9169	* cfglayout.c (pass_insn_locators_initialize): Add dump.
9170	* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
9171	Add dump.
9172	* except.c (pass_convert_to_eh_region_ranges): Add dump.
9173	* final.c (pass_shorten_branches): Add dump.
9174	* flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
9175	(pass_life): Rename dump.
9176	(rest_of_handle_flow2): Remove initial verify_flow_info.
9177	* function.c (pass_instantiate_virtual_regs): Add dump.
9178	* integrate.c (pass_initial_value_sets): Add dump.
9179	* jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
9180	* loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
9181	(pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
9182	pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
9183	(gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
9184	gate_rtl_unrool_and_peel_loops): New.
9185	(rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
9186	rtl_doloop): Do not look at flags.
9187	* mode-switching.c (pass_mode_switching): Add dump.
9188	* recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
9189	pass_split_before_regstack): Add dump.
9190	* regmove.c (pass_stack_adjustments): Add dump.
9191	* tree-optimize.c (pass_fixup_cfg): Add dump.
9192
91932005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9194
9195	PR 23309
9196	* config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
9197	deciding which instruction sequence to use.
9198
91992005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
9200
9201	* tree-vect-transform.c (vect_create_epilog_for_reduction): Set
9202	BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
9203
92042005-08-09  Richard Guenther  <rguenther@suse.de>
9205
9206	* c-common.c (builtin_function_2): Remove.
9207	(def_builtin_1): New function.
9208	(c_common_nodes_and_builtins): Use def_builtin_1 to
9209	build builtin functions.
9210
92112005-08-09  Jie Zhang  <jie.zhang@analog.com>
9212
9213	* config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9214	* config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9215	* config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9216	Visual DSP.
9217
92182005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9219
9220	* tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9221	fold_binary instead of fold_build2 since we don't care about the
9222	resulting tree.
9223	(loop_niter_by_eval): Likewise.
9224	(compare_trees): Likewise.
9225	(proved_non_wrapping_p): Likewise.
9226
92272005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9228
9229	PR c/23161
9230	PR c/23165
9231	* c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9232	if the if is really empty.
9233
92342005-08-09  Steven Bosscher  <stevenb@suse.de>
9235
9236	PR tree-optimization/23234
9237	* tree-ssa-math-opts.c (place_reciprocal): New enum.
9238	(execute_cse_reciprocals_1): Replace the 'phi' argument with an
9239	argument of the new enum.
9240	(execute_cse_reciprocals): Add reciprocals for function arguments
9241	on the unique successor edge of the entry block.  Update other calls
9242	to execute_cse_reciprocals_1.
9243
92442005-08-08  Richard Henderson  <rth@redhat.com>
9245
9246	PR 22439
9247	* gimplify.c (gimplify_one_sizepos): Preserve the original type.
9248
92492005-08-08  Bob Wilson  <bob.wilson@acm.org>
9250
9251	* expr.c (write_complex_part): Return after handling MEM.
9252
92532005-08-08  Josh Conner  <jconner@apple.com>
9254
9255	PR rtl-optimization/23241
9256	* combine.c (simplify_comparison): Fix error in determining
9257	whether to lift a subreg from comparison.
9258
92592005-08-08  David Edelsohn  <edelsohn@gnu.org>
9260
9261	PR target/18506
9262	* config/rs6000/altivec.md (vec_init<mode>): New.
9263	(vec_set<mode>): New.
9264	(vec_extract<mode>): New.
9265	* config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9266	(rs6000_expand_vector_set): New.
9267	(rs6000_expand_vector_extract): New.
9268	(rs6000_legitimate_offset_address_p): Offset addresses are valid
9269	for Altivec modes before reload.
9270	(altivec_expand_vec_init_builtin): New.
9271	(get_element_number): New.
9272	(altivec_expand_vec_set_builtin): New.
9273	(altivec_expand_vec_ext_builtin): New.
9274	(altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9275	builtins.
9276	(altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9277	builtins.
9278	* config/rs6000/rs6000.h (rs6000_builtins): Add
9279	ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9280	ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9281	* config/rs6000/rs6000-protos.h: Declare new functions.
9282
92832005-08-08  Jan Hubicka  <jh@suse.cz>
9284
9285	* i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9286	(legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9287	* i386.md (movdi*): Use pic_32bit_operand.
9288	* predicates.md (pic_32bit_operand): New.
9289
92902005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9291
9292	PR c++/21166
9293	* stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9294
92952005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9296
9297	* tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9298	(test_for_singularity): Use fold_build2.
9299
93002005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9301
9302	* pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9303
93042005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9305
9306	* config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9307	(COMMON_ASM_OP) Define.
9308	* config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9309	(ix86_encode_section_info): Likewise.
9310	(TARGET_ENCODE_SECTION_INFO): Conditionally define as
9311	SUBTARGET_ENCODE_SECTION_INFO.
9312
93132005-08-06  Richard Henderson  <rth@redhat.com>
9314
9315	PR 21894
9316	* tree-nested.c (convert_local_reference): Save and restore val_only
9317	around component_ref and friends.  Clear walk_subtrees by default.
9318
93192005-08-06  Peter O'Gorman  <peter@pogma.com>
9320
9321	PR 21366
9322	* gcc.c (process_command): Check the argument to -b has a dash.
9323	* doc/invoke.texi: Update -b and -V docs.
9324
93252005-08-06  James E Wilson  <wilson@specifix.com>
9326
9327	* config/mips/cross64.h, config/mips/t-cross64: Delete.
9328
93292005-08-06  Michael Matz  <matz@suse.de>
9330
9331	* genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9332	member only if only one insn is associated with the value.
9333
93342005-08-06  Nick Clifton  <nickc@redhat.com>
9335
9336	* config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9337	New define.
9338	(ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9339	* config/stormy16/stormy16.c (xstormy16_below100_symbol):
9340	Check symbol flags instead of symbol name mangling.
9341	(xstormy16_asm_output_aligned_common): Likewise.  Also
9342	simplify code since the bss100_section cass is the only case
9343	where the below100 code will be triggered.
9344	(xstormy16_encode_section_info): Encode below100 attribute
9345	using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9346	the name.
9347	(xstormy16_strip_name_encoding): Delete - this function is no
9348	longer needed.
9349	(TARGET_STRIP_NAME_ENCODING): Undefine.
9350	* config/stormy16/stormy16-protos.h: Delete prototype for
9351	xstormy16_strip_name_encoding.
9352
93532005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9354
9355	* Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9356	config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9357	tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9358	config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9359	config/alpha/predicates.md, config/arc/arc.h,
9360	config/arm/arm.h, config/arm/ieee754-df.S,
9361	config/arm/ieee754-sf.S, config/bfin/bfin.c,
9362	config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9363	config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9364	config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9365	config/m68hc11/m68hc11.h, config/mips/mips.c,
9366	config/mips/mips.h, config/mips/openbsd.h,
9367	config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9368	config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9369	config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9370	config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9371	config/sparc/linux.h, config/sparc/linux64.h,
9372	config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9373	doc/extend.texi, doc/gcov.texi, doc/install.texi,
9374	doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9375	typos.  Follow spelling conventions.
9376
93772005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9378
9379	PR c/23113
9380	* stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9381	Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9382	specially.  Check for side effects only for COND_EXPR.
9383	* c-typeck.c (c_finish_stmt_expr): Mark statement expression
9384	return with TREE_NO_WARNING.
9385
93862005-08-06  Richard Sandiford  <richard@codesourcery.com>
9387
9388	PR rtl-optimization/23233
9389	* loop.c (combine_movables): Require the modes to be the same.
9390	(move_movables): Remove handling of cases where the replacement
9391	had a different mode to the original.
9392
93932005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9394
9395	PR tree-optimization/23128
9396	* tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9397	subtraction wrap, and set TREE_OVERFLOW if they do.
9398
93992005-08-05  Richard Henderson  <rth@redhat.com>
9400
9401	PR 21728
9402	* tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9403	FORCED_LABEL labels.
9404
94052005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9406
9407	PR middle-end/23135
9408	* reload.c (find_reloads_subreg_address): Pass down TYPE
9409	unchanged.  Change all callers except find_reloads_toplev.
9410
94112005-08-05  Michael Matz  <matz@suse.de>
9412
9413	* genattrtab.c (current_alternative_string): Remove.
9414	(SIMPLIFY_ALTERNATIVE): Ditto.
9415	(attr_alt_bit_p): Ditto.
9416	(alternative_name): Make const char *.
9417	(evaluate_eq_attr): Remove use of above things.
9418	(simplify_test_exp): Ditto.
9419	(simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9420	(simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9421
94222005-08-04  James E Wilson  <wilson@specifix.com>
9423
9424	* config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9425	config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9426	config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9427	config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9428	(LINK_SPEC): Delete useless %{Wl,*:%*} item.
9429
94302005-08-04  Richard Henderson  <rth@redhat.com>
9431
9432	PR 21529
9433	* params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9434	* params.h (SRA_MAX_STRUCTURE_COUNT): New.
9435	* tree-sra.c (decide_block_copy): Use it.  Disable element copy
9436	if we'd have to instantiate too many members.
9437
94382005-08-04  Richard Henderson  <rth@redhat.com>
9439
9440	PR 21291
9441	* tree-outof-ssa.c (coalesce_asm_operands): New.
9442	(coalesce_ssa_name): Use it.  Split out ...
9443	(coalesce_phi_operands, coalesce_result_decls): ... these.
9444
94452005-08-04  Paul Brook  <paul@codesourcery.com>
9446
9447	* read-rtl.c (read_quoted_string): Break if EOF.
9448
94492005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9450
9451	* tree.h (fold_build1): Change to macro and call fold_build1_stat.
9452	(fold_build2): Likewise.
9453	(fold_build3): Likewise.
9454	(fold_build1_stat): New function prototype.
9455	(fold_build2_stat): Likewise.
9456	(fold_build3_stat): Likewise.
9457	* fold-const.c (fold_build1): Rename to ..
9458	(fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9459	through to build1_stat.
9460	(fold_build2): Rename to ..
9461	(fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9462	through to build2_stat.
9463	(fold_build3): Rename to ..
9464	(fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9465	through to build3_stat.
9466
94672005-08-04  David Edelsohn  <edelsohn@gnu.org>
9468	    Ian Lance Taylor  <ian@airs.com>
9469
9470	* function.c (assign_stack_local_1): Do not correct stack slot
9471	address if allocation size is smaller than mode size.
9472
94732005-08-04  Diego Novillo  <dnovillo@redhat.com>
9474
9475	PR 22037
9476	* tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9477	(tree_merge_blocks): Propagate anything allowed by
9478	may_propagate_copy.
9479	Clarify documentation.
9480	* passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9481	SSA form, schedule an update if necessary.
9482
94832005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9484
9485	* doc/install.texi (Binaries): Remove broken link to
9486	Sinix/Reliant Unix binaries.
9487
94882005-08-03  Richard Henderson  <rth@redhat.com>
9489
9490	PR 23221
9491	* function.c (stack_protect_epilogue): Export.
9492	* tree.h (stack_protect_epilogue): Declare.
9493	* calls.c (expand_call): Call it.
9494
94952005-08-03  Eric Christopher  <echristo@apple.com>
9496
9497	* gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9498	* config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9499	spec.
9500
95012005-08-04  Jan Hubicka  <jh@suse.cz>
9502
9503	* profile.c (branch_prob): Split edges with goto locus on them
9504	to get proper line counts.
9505	* tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9506
95072005-08-03  Paul Brook  <paul@codesourcery.com>
9508
9509	* function.c (assign_parms): Round current_function_args_size
9510	to PARM_BOUNDARY, not STACK_BOUNDARY.
9511
95122005-08-03  Geoffrey Keating  <geoffk@apple.com>
9513
9514	* config/i386/i386.c (x86_elf_aligned_common)
9515	(x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9516
95172005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9518
9519	PR tree-optimization/23157
9520	* tree-scalar-evolution.c (scev_const_prop): Unshare trees
9521	before emitting them.
9522
95232005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9524
9525	PR tree-optimization/19899
9526	* Makefile.in (tree-scalar-evolution.o): Add real.h.
9527	* tree-scalar-evolution.c: Include real.h.
9528	(add_to_evolution): Build constant -1 of correct type.
9529
95302005-08-03  Jan Hubicka  <jh@suse.cz>
9531
9532	* cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9533	* cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9534	profile updating for complette unrolling.
9535	* loop-unroll.c (peel_loop_completely): Use it.
9536	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9537	(tree_unroll_loops_completely): Disable code growing unrolling of cold
9538	loops.
9539
95402005-08-03  Paul Brook  <paul@codesourcery.com>
9541
9542	* combine.c (can_change_dest_mode): New function.
9543	(try_combine, simplify_set): Use it.
9544
95452005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9546
9547	* config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9548	TFmode to BLKmode.
9549
95502005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9551
9552	* doc/install.texi (Specific): Adjust link to openavr.org.
9553	(Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9554	(Binaries): Adjust HP-UX Porting Center link.
9555	(Binaries): Adjust Free Software Foundation ordering link.
9556
95572005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9558
9559	* convert.c (convert_to_integer): Use fold_build1 instead of
9560	build1 when converting an integer to an integer.
9561
95622005-08-02  Richard Henderson  <rth@redhat.com>
9563
9564	* combine.c (combine_instructions): Don't use reg_equal/equiv
9565	results if the mode doesn't match.
9566
95672005-08-02  Mark Mitchell  <mark@codesourcery.com>
9568
9569	* config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9570	* doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9571
95722005-08-02  Richard Henderson  <rth@redhat.com>
9573
9574	PR 23196
9575	* explow.c (memory_address): Remove special-case for
9576	virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9577
95782005-08-02  Diego Novillo  <dnovillo@redhat.com>
9579
9580	PR 23164
9581	* tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9582	number of calls to cleanup_tree_cfg_1.
9583
95842005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9585
9586	* doc/invoke.texi: document file extensions .F90 and .F95
9587
95882005-08-02  Richard Guenther  <rguenther@suse.de>
9589
9590	* fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9591	positive if its first argument is positive.
9592
95932005-08-02  Richard Guenther  <rguenther@suse.de>
9594
9595	PR tree-optimization/23177
9596	* tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9597	on TMR_TAG.
9598
95992005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9600
9601	PR tree-optimization/23129
9602	* tree-vrp.c (extract_range_from_binary_expr): Set value range to
9603	varying for divisions with anti-ranges.
9604
96052005-08-02  Jan Hubicka  <jh@suse.cz>
9606
9607	* tree-ssa-dom.c (thread_across_edge): Remove updating here.
9608	* tree-ssa-threadupdate.c (thread_block): Add it here.
9609
96102005-08-01  James E Wilson  <wilson@specifix.com>
9611
9612	* config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9613	TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9614	* config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9615	New.
9616	* config/mips/predicates.md (const_call_insn_operand): Add check for
9617	SYMBOL_REF_LONG_CALL_P.
9618	* doc/extend.texi (long_call): Document the new attribute.
9619
96202005-08-01  Ian Lance Taylor  <ian@airs.com>
9621	    Richard Henderson  <rth@redhat.com>
9622
9623	* Makefile.in (RTL_BASE_H): Add real.h.
9624	* real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9625	instead of memcpy.
9626	* emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9627	directly.
9628	* rtl.c (rtl_check_failed_code_mode): New.
9629	* rtl.h (struct rtx_def): Add u.rv.
9630	(XCMWINT, XCNMPRV): New.
9631	(CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9632	(CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9633
96342005-08-01  Richard Henderson  <rth@redhat.com>
9635
9636	* dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9637	with auto-inc codes.
9638
9639	* config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9640
96412005-08-01  Jan Hubicka  <jh@suse.cz>
9642
9643	* i386-protos.h (asm_preferred_eh_data_format): Declare.
9644	* i386.c: Include dwarf2.h
9645	(asm_preferred_eh_data_format): New.
9646	* i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9647
96482005-08-01  Ian Lance Taylor  <ian@airs.com>
9649
9650	* config/host-linux.c (linux_gt_pch_get_address): Add new name
9651	randomize_va_space for virtual address randomization control.
9652
96532005-08-01  Steven Bosscher  <stevenb@suse.de>
9654
9655	* common.opt (flag_ipa_cp): Put in right place to maintain
9656	alphabetic sort.
9657
96582005-08-01  Jan Hubicka  <jh@suse.cz>
9659
9660	* profile.c (compute_value_histograms): Fix thinko.
9661	* value-prof.c: Include toplev.h
9662	(check_counter): New function.
9663	(tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9664	tree_mod_subtract_transform): Add sanity check.
9665
96662005-08-01  Richard Guenther  <rguenther@suse.de>
9667
9668	PR tree-optimization/23133
9669	* tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9670	current functions parameter decls to find defs to cse
9671	reciprocals of.
9672
96732005-08-01  Richard Guenther  <rguenther@suse.de>
9674
9675	PR tree-optimization/23109
9676	* tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9677	If trapping math is in effect, use post-dominator information
9678	to check if we'd in any case reach a trapping point before
9679	doing the reciprocal insertion.
9680	(execute_cse_reciprocals): Compute post-dominators, if necessary.
9681	* tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9682	expressions are invariant only if trapping math is not in effect.
9683
96842005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9685
9686	* cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9687	cgraph_function_versioning): New declarations.
9688	* cgraphunit.c: Add include to ipa-prop.h.
9689	(update_call_expr, cgraph_copy_node_for_versioning,
9690	cgraph_function_versioning): New functions.
9691	* integrate.c (copy_decl_for_inlining): Remove.
9692	* ipa-prop.h (ipa_replace_map): New struct.
9693	(struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9694	* ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9695	ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9696	ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9697	ipcp_iterate_stage, ipcp_method_scale_print,
9698	ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9699	ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9700	ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9701	ipcp_update_bb_counts, ipcp_update_profiling,
9702	ipcp_update_edges_counts): New functions.
9703	(ipcp_method_cval_init): Remove restriction regarding local methods.
9704	(ipcp_init_stage): Add ipcp_method_compute_scale.
9705	(ipcp_insert_stage): Add versioning.
9706	(ipcp_structures_print): Add ipcp_method_scale_print.
9707	(ipcp_driver): Dump profiling info.
9708	* Makefile.in: Remove integrate.h dependency from tree-inline.o.
9709	Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9710	* tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9711	(struct inline_data): Add versioning_p, ipa_info, new fields.
9712	(remap_decl, mark_local_for_remap_r, setup_one_parameter,
9713	declare_return_variable): Replace calls to copy_decl_for_inlining with
9714	copy_decl_for_dup.
9715	(copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9716	versioning support.
9717	(copy_decl_for_dup): Rename from copy_decl_for_inlining.
9718	Add argument VERSIONING.
9719	(copy_arguments_for_versioning, copy_static_chain,
9720	function_versionable_p, tree_versionable_function_p,
9721	tree_function_versioning, replace_ref_tree): New functions.
9722	* tree-inline.h: Include varray.h.
9723	(tree_versionable_function_p,  tree_function_versioning,
9724	tree copy_decl_for_dup): New declarations.
9725
97262005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9727
9728	* ipa-cp.c: New file. Contains IPCP specific functionality.
9729	* ipa-prop.h: New file. Contains structures/definitions that can be
9730	used by several interprocedural data flow optimizations (and also IPCP).
9731	* ipa-prop.c: New file.
9732	* Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9733	* common.opt: Add ipa-cp flag.
9734	* timevar.def: Add IPCP optimization.
9735	* tree-optimize.c (init_tree_optimization_passes): Schedule
9736	pass_ipa_cp.
9737	* tree-pass.h (pass_ipa_cp): Declare.
9738
97392005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9740
9741	* dwarf2out.c, fold-const.c, ipa-type-escape.c,
9742	loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9743	tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9744	config/i386/i386.c, config/mips/mips.h,
9745	config/rs6000/rs6000.h, config/sh/sh.c,
9746	config/stormy16/stormy16.c: Fix comment typos.
9747
97482005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9749
9750	PR c/22311
9751	* c-typeck.c (build_binary_op): Use common_type wrapper on
9752	shortened types.
9753	(common_type): Update comment.
9754
97552005-07-31  Steven Bosscher  <stevenb@suse.de>
9756
9757	PR target/23095
9758	* common.opt (flag_gcse_after_reload): Don't initialize to 2.
9759	(flag_rerun_cse_after_loop): Initialize this to 2 instead.
9760	* postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9761
97622005-07-31  Jan Hubicka  <jh@suse.cz>
9763
9764	* pretty-print.h (pp_widest_integer): New macro.
9765	* tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9766	counts.
9767
97682005-07-31  Jan Hubicka  <jh@suse.cz>
9769
9770	* output.h (enum section_category): Export from varasm.c
9771	(categorize_decl_for_section): Likewise.
9772	* varasm.c (enum section_category): Kill.
9773	(categorize_decl_for_section): Make global.
9774	* i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9775	Declare.
9776	* i386.c (ix86_section_threshold): New static variable.
9777	(ix86_in_large_data_p, ix86_encode_section_info,
9778	x86_64_elf_unique_section,
9779	x86_64_elf_select_section): New functions.
9780	(TARGET_ENCODE_SECTION_INFO): Define
9781	(override_options): Enable medium model for PIC.
9782	(ix86_expand_prologue): Expand gen_set_got_rex64.
9783	(legitimate_constant_p): Handle new UNSPECs.
9784	(legitimate_pic_address_disp_p): Likewise.
9785	(legitimize_pic_address): Lower MEDIUM model addressing.
9786	* i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9787	(enum cmodel): Add MEDIUM_PIC.
9788	(SYMBOL_REF_FAR_ADDR_P): New macro.
9789	(SYMBOL_FLAG_FAR_ADDR): New flag.
9790	* i386.md (movdi): Support medium model.
9791	(set_got_rex64): New pattern.
9792	* i386.opt (mlarge-data-threshold): New flag.
9793	* predicates.md (zext_operand/sext_operand): Deal with medium model.
9794	* x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9795	(ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9796	TARGET_ASM_UNIQUE_SECTION): New.
9797
9798	* invoke.texi (-mlarge_data_threshold): Document
9799
98002005-07-31  Jan Hubicka  <jh@suse.cz>
9801
9802	* tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9803	(coalesce_vars): Likewise.
9804	* tree-ssa-live.c (coalesce_cost): New.
9805	(build_tree_conflict_graph): Use coalesce_cost.
9806	* tree-ssa-live.h (coalesce_cost): Declare.
9807
98082005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9809
9810	* arm.md (all peepholes for post-increment operations): Delete.
9811	(strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9812	(loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9813	(loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9814	(loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9815	(strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9816
98172005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9818
9819	* fold-const.c (tree_expr_nonnegative_p): Always return true for
9820	non-integral types.
9821
98222005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9823
9824	PR target/22582
9825	* doc/invoke.texi: Document -rdynamic.
9826
98272005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9828
9829	PR c/23143
9830	* c-parser.c (c_parser_parms_list_declarator): Call
9831	mark_forward_parm_decls.
9832	* c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9833	decls with visibility structure.
9834
98352005-07-30  Paul Brook  <paul@codesourcery.com>
9836
9837	* config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9838
98392005-07-30  Paul Brook  <paul@codesourcery.com>
9840
9841	* config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9842	prototype.
9843	* config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9844	value for mode.
9845	* config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9846
98472005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9848
9849	PR c/529
9850	* c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9851	nested function declarators.
9852	(pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9853	(grokparms): Call warn_if_shadowing for parameters used within the
9854	parameter list.
9855	(store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9856	not used within the parameter list.
9857	(store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9858
98592005-07-30  Jan Hubicka  <jh@suse.cz>
9860
9861	* expr.c (expand_expr_real_1): Do not load mem targets into register.
9862	* i386.c (ix86_fixup_binary_operands): Likewise.
9863	(ix86_expand_unary_operator): Likewise.
9864	(ix86_expand_fp_absneg_operator): Likewise.
9865	* optabs.c (expand_vec_cond_expr): Validate dest.
9866
98672005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9868
9869	PR c/21720
9870	* real.c (real_from_string): Also set last bit if there is a
9871	nonzero hex digit beyond GCC's internal precision after ".".
9872
98732005-07-29  David Edelsohn  <edelsohn@gnu.org>
9874
9875	* config/rs6000/altivec.md: Convert UNSPEC numerical values to
9876	define_constants.  Change duplicate values to unassigned numbers.
9877	Change UNSPEC_SUBS to UNSPEC_VSUBS.
9878	(*altivec_vspltsf): New.
9879	(altivec_vperm_v4sf): Delete.
9880	(altivec_vperm_<mode>): Use mode macro V.
9881	(altivec_vsldoi_<mode>): Convert to mode macro pattern.
9882	(altivec_predicate_v4sf): Delete.
9883	(altivec_predicate_<mode>): Use mode macro V.
9884	(*altivec_lvesfx): New.
9885	(*altivec_stvesfx): New.
9886	(vec_realign_load_v4sf): Delete.
9887	(vec_realign_load_<mode>): Use mode macro V.
9888	* config/rs6000/rs6000.c (generate_set_vrsave): Use
9889	UNSPECV_SET_VRSAVE.
9890
98912005-07-29  Mark Mitchell  <mark@codesourcery.com>
9892
9893	PR bootstrap/23131
9894	* configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9895	string.
9896	* configure: Regenerated.
9897
98982005-07-29  Paul Brook  <paul@codesourcery.com>
9899
9900	* doc/install.texi: Add link to GFortran binaries wiki page.
9901
99022005-07-29  David Ung  <davidu@mips.com>
9903
9904	* config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9905	(mips_rtx_cost_data): Add costs for 5kc and 5kf.
9906	* config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9907	* config/mips/mips.md (cpu): Add 5kf name.
9908	(includes): Includes 5k.md.
9909	* config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9910	* doc/invoke.texi (MIPS Options): Updated cpu name supported with
9911	-march flag.
9912
99132005-07-29  Diego Novillo  <dnovillo@redhat.com>
9914
9915	PR 22550
9916	* tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9917	(cleanup_tree_cfg): ... here.
9918	Call cleanup_tree_cfg_1 until there are no more cleanups to
9919	do.
9920
99212005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9922
9923	* tree-vrp.c (compare_range_with_value): Return true or false
9924	for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9925	EQ_EXPR respectively.
9926
99272005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9928
9929	* cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9930	Fix comment typos.
9931
99322005-07-29  Diego Novillo  <dnovillo@redhat.com>
9933
9934	* tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9935	(tree_ssa_dominator_optimize): Increment it.
9936	(dump_dominator_optimization_stats): Print it.
9937
99382005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9939	    Steven Bosscher  <stevenb@suse.de>
9940
9941	PR rtl-optimization/23117
9942	* sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9943	when head == tail.  Tidy comment.
9944
99452005-07-28  Richard Henderson  <rth@redhat.com>
9946
9947	* cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9948	* cselib.c (rtx_equal_for_cselib_p): Likewise.
9949	* jump.c (rtx_renumbered_equal_p): Likewise.
9950	* loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9951	CONST_INT and CONST_DOUBLE.
9952	(rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9953	* reload.c (operands_match_p): Special case CONST_INT and
9954	CONST_DOUBLE; check mode earlier.
9955
99562005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9957
9958	PR c/22240
9959	* c-typeck.c (convert_for_assignment): Do not check
9960	DECL_IN_SYSTEM_HEADER on NULL fundecl.
9961
99622005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9963
9964	PR c/22192
9965	* c-typeck.c (composite_type): Prefer constant size arrays to
9966	VLAs.
9967
99682005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9969
9970	PR c/21720
9971	* real.c (real_from_string): Set last bit if there is a nonzero
9972	hex digit beyond GCC's internal precision.
9973
99742005-07-28  Richard Henderson  <rth@redhat.com>
9975
9976	PR rtl-opt/22619
9977	* cfgcleanup.c (try_forward_edges): Watch out for end of
9978	insn chain.
9979
99802005-07-28  James E Wilson  <wilson@specifixinc.com>
9981
9982	PR c/23106
9983	* doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9984
99852005-07-28  Jan Hubicka  <jh@suse.cz>
9986
9987	* Makefile.in (rtl-profile.o): Kill all traces of it.
9988	* common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9989	* coverage.h (rtl_coverage_counter_ref): Kill.
9990	* opts.c (flag_speculative_prefetching_set): Kill.
9991	(flag_loop_optimize_set): New.
9992	(common_handle_option): Disable loop optimizer when profiling;
9993	do not handle speculative prefetching.
9994	* passes.c (init_optimization_passes): Replace pass_profiling combo
9995	by branch_prob pass.
9996	* profile.c (compute_value_histograms): Update for simplified value
9997	profiles.
9998	(rtl_register_profile_hooks): Kill.
9999	(pass_profiling): Kill.
10000	(rest_of_handle_branch_prob): Do not profile.
10001	* toplev.c (process_options): Remove speculative prefetching.
10002	* toplev.h (flag_tree_based_profiling): Kill.
10003	* tree-profile.c (prepare_instrumented_value,
10004	tree_gen_interval_profiler, tree_gen_pow2_profiler,
10005	tree_gen_one_value_profiler, do_tree_profiling): Update for
10006	simplified datastructures.
10007	* value-prof.c: Add comment that speculative prefetching was dropped;
10008	update rest of file for simplified datastructures.
10009	(NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
10010	rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
10011	find_mem_reference_1, find_mem_reference_2, find_mem_reference,
10012	rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
10013	rtl_mod_subtract, gen_speculative_prefetch,
10014	rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
10015	rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
10016	(gate_handle_value_profile_transformations,
10017	rest_of_handle_value_profile_transformations,
10018	pass_value_profile_transformations): Kill.
10019	* value-prof.h (histogram_value_t): Remove IL based unions.
10020	(rtl_register_value_prof_hooks, rtl_register_profile_hooks,
10021	rtl_profile_hooks): Remove hooks.
10022
10023	* invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
10024
10025	* cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
10026	(cgraph_clone_node): Likewise.
10027	* cgraph.h (cgraph_clone_edge): Update prototype.
10028	(cgraph_clone_node): Likewise.
10029	* ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
10030	cgraph_clone_node.
10031	(lookup_recursive_calls): Consider profile.
10032	(cgraph_decide_recursive_inlining): Fix updating; use new
10033	probability argument; use profile.
10034	* params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
10035	* tree-inline.c (copy_bb): Update clal of clone_edge.
10036	* tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
10037
10038	* invoke.texi (min-inline-recursive-probability): Document.
10039
100402005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
10041
10042	* doc/install.texi (Configuration): Update Valgrind homepage.
10043
100442005-07-28  Richard Henderson  <rth@redhat.com>
10045
10046	PR middle-end/21362
10047	* cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
10048	labels we want to delete.
10049	(cfg_layout_merge_blocks): Likewise.
10050
100512005-07-28  Richard Henderson  <rth@redhat.com>
10052
10053	PR target/17692
10054	* config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
10055	when expanding to nothing.
10056
100572005-07-28  Josh Conner  <jconner@apple.com>
10058
10059	* ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
10060	(cgraph_decide_inlining_of_small_functions): Likewise.
10061
100622005-07-28  Josh Conner  <jconner@apple.com>
10063
10064	* ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
10065	direction of badness if negative.
10066	(cgraph_default_inline_p): Add reason to parameters, and assign it
10067	a value.
10068	(cgraph_decide_inlining_of_small_functions): New parameter in call
10069	to cgraph_default_inline_p.
10070	(cgraph_decide_inlining_incrementally): Likewise.
10071	* cgraphunit.c (decide_is_function_needed): Likewise.
10072	* cgraph.h (cgraph_default_inline_p): Likewise.
10073
100742005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10075
10076	* builtins.c: Fix comment typo(s).
10077	* genautomata.c: Likewise.
10078	* gimplify.c: Likewise.
10079	* tree-dfa.c: Likewise.
10080	* tree-flow-inline.h: Likewise.
10081	* tree-into-ssa.c: Likewise.
10082	* tree-ssa-alias.c: Likewise.
10083	* tree-ssa-ccp.c: Likewise.
10084	* tree-ssa-copy.c: Likewise.
10085	* tree-ssa-dce.c: Likewise.
10086	* tree-ssa-dom.c: Likewise.
10087	* tree-ssa-operands.c: Likewise.
10088	* tree-tailcall.c: Likewise.
10089	* tree-vectorizer.c: Likewise.
10090	* tree-vrp.c: Likewise.
10091	* tree.c: Likewise.
10092
100932005-07-28  Jeff Law  <law@redhat.com>
10094
10095	* tree-vrp.c (test_for_singularity): Extracted from  ...
10096	(simplify_cond_using_ranges): Attempt to simplify a relational
10097	test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
10098
100992005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
10100
10101	PR tree-optimization/22506
10102	* tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
10103	phis whose argument is constant.
10104
101052005-07-28  J"orn Rennecke <joern.rennecke@st.com>
10106
10107	PR rtl-optimization/18992
10108	Back out this patch:
10109	  2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10110	  PR optimization/12142
10111	  * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
10112	  uses of the register in the SET_SRC.  Remove unnecessary argument.
10113
10114	Replace it with this:
10115	* cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
10116	if flag_non_call_exceptions is set and the insn may trap, pass
10117	pc_rtx as dest for recursion.
10118	In SET_SRC part of SET case, if dest is already set, pass it down
10119	unchanged.
10120
101212005-07-28  Jan Hubicka  <jh@suse.cz>
10122
10123	* cfg.c (update_bb_profile_for_threading): Use RDIV.
10124	(scale_bbs_frequencies_int): Likewise, assert for possible overflow.
10125	(scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
10126	roundoff errors.
10127	* tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
10128	profile when available.
10129
101302005-07-28  Jan Beulich <jbeulich@novell.com>
10131
10132	* config/ia64/ia64.c (ia64_load_pair_ok): New.
10133	(ia64_print_operand): Describe and handle 'X'.
10134	(ia64_register_move_cost): Also handle FP_REGS.
10135	(ia64_preferred_reload_class): Likewise.
10136	(ia64_secondary_reload_class): Likewise.
10137	(ia64_dependencies_evaluation_hook): New local variable c. Initialize
10138	it. Also check for ITANIUM_CLASS_FLDP.
10139	* config/ia64/ia64.h (FP_REGNO_P): New.
10140	(HARD_REGNO_MODE_OK): Remove explusion of TImode.
10141	(reg_class): Add FP_REGS.
10142	(REG_CLASS_NAMES): Adjust for it.
10143	(REG_CLASS_CONTENTS): Likewise.
10144	(REGNO_REG_CLASS): Use FP_REGS where appropriate.
10145	(REG_CLASS_FROM_LETTER): Handle 'x'.
10146	(CLASS_MAX_NREGS): Handle FP_REGS.
10147	(MEMORY_MOVE_COST): Likewise.
10148	* config/ia64/ia64.md (itanium_class): Add fldp.
10149	(type): Handle fldp.
10150	(movti_internal): More allowable operand combinations. Use ldfp8 when
10151	splitting unnecessary. Remove predicable attribute. Adjust
10152	itanium_class attribute.
10153	(smuldi3_highpart): Remove outdated comment.
10154	(mulditi3, umulditi3, rotlti3): New expanders.
10155	(addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
10156	(absti2): Disabled new insn for future reference.
10157	Respective new splitters.
10158	* config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
10159	* config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
10160	* config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
10161
101622005-07-25  James A. Morrison  <phython@gcc.gnu.org>
10163
10164	PR rtl-optimization/23047
10165	* simplify-rtx.c (simplify_const_relational_operation): Respect
10166	flag_wrapv for comparisons with ABS.
10167
101682005-07-27  James A. Morrison  <phython@gcc.gnu.org>
10169
10170	PR tree-optimization/22493
10171	* tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
10172	VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
10173
101742005-07-27  Aldy Hernandez  <aldyh@redhat.com>
10175
10176	* config/frv/frv.opt (moptimize-membar): New.
10177
10178	* doc/invoke.texi: Document -moptimize-membar and its inverse.
10179
10180	* config/frv/frv.h: Remove machine_function definition.
10181
10182	* config/frv/frv.c (struct frv_io): New.
10183	(struct machine_function): Moved from frv.h.  Add has_membar_p.
10184	(frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
10185	(frv_extract_membar, frv_io_check_address, frv_io_handle_set)
10186	(frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
10187	(frv_optimize_membar_global, frv_optimize_membar): New functions.
10188	(frv_reorg): Call frv_optimize_membar when appropriate.
10189	(bdesc_loads, bdesc_stores): Use the membar code as the icode field.
10190	(frv_expand_builtin): Adjust calls accordingly.
10191	(frv_io_address_cookie): New function.
10192	(frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
10193	load or store rather than a special insn.  Add ccnstant address and
10194	io-type operands to the membar.
10195	(frv_ifcvt_modify_tests): Unsign regno.
10196	(frv_ifcvt_modify_tests): Same.
10197
10198	* config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
10199	UNSPEC_OPTIONAL_MEMBAR constant.
10200	(builtin_read_<mode>): Delete.
10201	(builtin_write_<mode>): Delete.
10202	("optional_membar_<mode>"): Add operand.
10203
10204	* testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10205	* testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10206	* testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10207	* testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10208	* testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10209	* testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10210	* testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10211	* testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10212	* testsuite/gcc.target/frv/all-read-write-1.c: New.
10213
102142005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10215
10216	* df.c (df_uses_record): Handle SCRATCH.
10217
102182005-07-28  Steven Bosscher  <stevenb@suse.de>
10219
10220	PR debug/20161
10221	* passes.c (rest_of_decl_compilation): If decl is a type and
10222	we have encountered errors, don't emit debug information.
10223
102242005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10225
10226	* params.def: Fixed comment.
10227
102282005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10229
10230	PR target/19885
10231	* config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10232	(TARGET_ASM_UNALIGNED_HI_OP): Add.
10233	(TARGET_ASM_UNALIGNED_SI_OP): Add.
10234
102352005-07-27  Steven Bosscher  <stevenb@suse.de>
10236
10237	PR c++/22003
10238	* varasm.c (assemble_start_function): Don't do anything that may
10239	require a CFG if the current function is a thunk.
10240
102412005-07-25  Geoffrey Keating  <geoffk@apple.com>
10242
10243	* doc/install.texi (Prerequisites): Mention that perl is needed
10244	to do export control in libstdc++ targetting Darwin.
10245
102462005-07-27  Steven Bosscher  <stevenb@suse.de>
10247
10248	PR rtl-optimization/17808
10249	* sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10250	(sched_insns_conditions_mutex_p): Split out from...
10251	(add_dependence): ...here.  But don't call it from here.
10252	(add_dependence_list): Check sched_insns_conditions_mutex_p
10253	before calling add_dependence.
10254	(add_dependence_list_and_free): Likewise.
10255	(fixup_sched_groups): Likewise.
10256	(sched_analyze_1): Likewise.
10257	(sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10258	(sched_analyze): Likewise.
10259	(sched_analyze_insn): Likewise.
10260	* sched-ebb.c (add_deps_for_risky_insns): Likewise.
10261	* sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10262	dependencies on all COND_EXEC insns to jumps ending basic blocks
10263	when doing intrablock scheduling.
10264	* sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10265
102662005-07-27  Jeff Law  <law@redhat.com>
10267
10268	* tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10269	meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10270	equivalency sets, correctly handle the case were vr0 has an
10271	equivalency set, but vr1 does not.
10272
102732005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10274
10275	PR tree-optimization/23073
10276	* tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10277	vect_print_dump_info before fprintf.
10278
102792005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10280
10281	PR tree-optimize/22348
10282	* tree-ssa-loop-niter.c (number_of_iterations_cond):
10283	Fold the partial computation.
10284
102852005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10286
10287	PR tree-optimization/22325
10288	* tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10289	Declare.
10290	* tree-scalar-evolution.c (scev_const_prop): Add generic final
10291	value replacement.
10292	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10293	(force_var_cost): ... this function.
10294	(compute_phi_arg_on_exit): Export.
10295
102962005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10297
10298	PR tree-optimization/20773
10299	* tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10300	edge.
10301
103022005-07-27  Richard Guenther  <rguenther@suse.de>
10303
10304	* tree-ssa-structalias.c (push_fields_onto_fieldstack):
10305	Avoid pushing again if current struct contains only
10306	fields we decomposed.
10307
103082005-07-27  Jan Hubicka  <jh@suse.cz>
10309
10310	PR tree-optimization/22574
10311	* cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10312	not available.
10313
10314	* tree-tailcall.c (decrease_profile): New function.
10315	(eliminate_tail_call): Use it.
10316
10317	* cgraphunit.c (cgraph_function_and_variable_visibility): Set
10318	visibility flags correctly in whole program mode.
10319
103202005-07-26  Steve Ellcey  <sje@cup.hp.com>
10321
10322	PR rtl-optimization/22472
10323	* config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10324
103252005-07-26  Steven Bosscher  <stevenb@suse.de>
10326
10327	PR tree-optimization/22504
10328	* tree-complex.c (expand_complex_addition): Use 'code' instead
10329	of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10330
103312005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10332
10333	* config.gcc (cpu_type): Add frv case.
10334	(with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10335	(supported_defaults): Add fr550 case.
10336
103372005-07-26  Diego Novillo  <dnovillo@redhat.com>
10338
10339	PR 22591
10340	* tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10341	whether a pointer of type T * may point to objects of type T *.
10342
103432005-07-26  DJ Delorie  <dj@redhat.com>
10344
10345	* configure: Regenerate.
10346
103472005-07-26  Dale Johannesen  <dalej@apple.com>
10348
10349	* postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
10350
103512005-07-26  Mark Mitchell  <mark@codesourcery.com>
10352
10353	* doc/install.texi (--with-build-sysroot): Fix grammatical error.
10354	Clarify use of "build" in name.
10355
103562005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10357
10358	* doc/extend.texi (Raw read/write Functions): New section.
10359	* testsuite/gcc.target/frv/all-builtin-read8.c: New.
10360	* testsuite/gcc.target/frv/all-builtin-read16.c: New.
10361	* testsuite/gcc.target/frv/all-builtin-read32.c: New.
10362	* testsuite/gcc.target/frv/all-builtin-read64.c: New.
10363	* testsuite/gcc.target/frv/all-builtin-write8.c: New.
10364	* testsuite/gcc.target/frv/all-builtin-write16.c: New.
10365	* testsuite/gcc.target/frv/all-builtin-write32.c: New.
10366	* testsuite/gcc.target/frv/all-builtin-write64.c: New.
10367	* config/frv/frv.c: Add bdesc_loads global.
10368	Add bdesc_stores global.
10369	(frv_init_builtins): Add support for __builtin_{read/write}*.
10370	(frv_volatile_memref): New.
10371	(frv_expand_load_builtin): New.
10372	(frv_expand_store_builtin): New.
10373	* config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10374	FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10375	FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10376	FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10377	* config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10378	UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10379	(builtin_read_<mode>): New.
10380	(builtin_write_<mode>): New.
10381	(builtin_write64): New.
10382	(optional_membar_<mode>): New.
10383
103842005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10385
10386	* emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10387	(rather than units) against HOST_BITS_PER_WIDE_INT.
10388
103892005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10390
10391	* ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10392	ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10393	ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10394	config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10395	FSF address.
10396
10397	* calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10398	tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10399	config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10400	comment typos.
10401	* doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10402
104032005-07-26  Richard Guenther  <rguenther@suse.de>
10404
10405	PR tree-optimization/22486
10406	* fold-const.c (fold_unary): Fold away useless component
10407	references of the form (T *)&T.x, if the address
10408	doesn't change.
10409
104102005-07-25  James E Wilson  <wilson@specifixinc.com>
10411
10412	* dwarf2out.c (add_call_src_coords_attributes): New.
10413	(gen_inlined_subroutine_die): Call it.
10414	(maybe_emit_file, init_file_table): Add comments.
10415	(prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10416	maybe_emit_file.
10417	* tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10418	(expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10419	* tree.h (BLOCK_SOURCE_LOCATION): New.
10420	(struct tree_block): New field locus.
10421
104222005-07-26  Andreas Schwab  <schwab@suse.de>
10423
10424	PR rtl-optimization/23043
10425	* postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10426	when allocating a struct unoccr.
10427
104282005-07-25  Richard Henderson  <rth@redhat.com>
10429
10430	PR 22626
10431	* tree-complex.c (gate_no_optimization): True if errors.
10432	* Makefile.in (tree-complex.o): Update dependencies.
10433
104342005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10435
10436	* config/frv/predicates.md (integer_register_operand): Use
10437	GPR_AP_OR_PSEUDO_P.
10438
104392005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10440
10441	PR tree-opt/22484
10442	* tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10443	after fold.
10444	* tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10445
104462005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10447
10448	* tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10449	types when flag_unsafe_math_optimizations is true.
10450
104512005-07-25  Mark Mitchell  <mark@codesourcery.com>
10452
10453	* gcc.c (option_map): Add --sysroot.
10454	(process_command): Handle --sysroot.
10455	(display_help): Document it.
10456	* doc/cppopts.tex (-isysroot): Document.
10457	* doc/invoke.texi (--sysroot): Document.
10458	* doc/install.texi (--with-build-sysroot): Document.
10459
10460	* Makefile.in (inhibit_libc): New variable.
10461	(INHIBIT_LIBC_CFLAGS): Likewise.
10462	(LIBGCC2_CFLAGS): Include
10463	$(INHIBIT_LIBC_CFLAGS).
10464	(CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10465	($(T)crtbegin.o): Do not use @inhibit_libc@.
10466	($(T)crtend.o): Likewise.
10467	($(T)crtbeginS.o): Do not use @inhibit_libc@.
10468	($(T)crtendS.o): Likewise.
10469	($(T)crtbeginT.o): Do not use @inhibit_libc@.
10470	($(T)crtendT.o): Likewise.
10471	(stmp-fixinc): Do not complain about missing headers if
10472	inhibit_libc.
10473	* configure.ac (inhibit_libc): Set it to true/false.
10474	(--with-build-sysroot): New option.  Use it to set
10475	SYSTEM_HEADER_DIR.
10476	* configure: Regenerated.
10477
104782005-07-25  Manfred Hollstein  <mh@suse.com>
10479
10480	* calls.c (store_one_arg): Fix unsigned comparison warning.
10481
104822005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10483
10484	PR other/22337
10485	* ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10486	(ggc_print_statistics): Initialize variable before use.
10487
104882005-07-25  Richard Guenther  <rguenther@suse.de>
10489
10490	* tree-dfa.c (mark_new_vars_to_rename): Protect against
10491	calling with a PHI_NODE argument.
10492
10493	* tree-flow-inline.h (overlap_subvar): Protect against
10494	possible overflow.
10495
104962005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10497
10498	* aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10499	* configure: Regenerate.
10500
105012005-07-25  Ira Rosen  <irar@il.ibm.com>
10502
10503	* expr.c (highest_pow2_factor): Make extern.
10504	* tree-data-ref.c (ptr_decl_may_alias_p): New function.
10505	(ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10506	record_array_differ_p, array_ptr_differ_p): Likewise.
10507	(base_object_differ_p): Rename (from array_base_name_differ_p). Support
10508	additional cases. Call the above functions.
10509	(base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10510	base_object_differ_p when there are two base objects. Otherwise, compare
10511	base address and offset. Call may_alias_p.
10512	(dump_data_reference): Use a correct field name.
10513	(analyze_array): Make static. Initialize new data-ref fields.
10514	(analyze_indirect_ref): New function.
10515	(init_data_ref): Initialize new data-ref fields.
10516	(strip_conversion): Moved from tree-vect-analyze.c.
10517	(analyze_offset_expr, get_ptr_offset, address_analysis,
10518	object_analysis): Likewise.
10519	(analyze_offset): New function.
10520	(create_data_ref): Likewise.
10521	(initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10522	dimensions for ARRAY_REFs only.
10523	(build_classic_dist_vector): Make static.
10524	(access_functions_are_affine_or_constant_p): Call macro to get the
10525	address of access functions.
10526	(compute_all_dependences): Add new parameter
10527	compute_self_and_read_read_dependences. Compute self and read-read
10528	dependences if it is true.
10529	(find_data_references_in_loop): Call create_data_ref. Initialize new
10530	data-ref fields.
10531	(compute_data_dependences_for_loop): Add new parameter
10532	compute_self_and_read_read_dependences. Remove parameter nb_loops,
10533	compute nb_loops. Call compute_all_dependences,
10534	build_classic_dist_vector and build_classic_dir_vector with correct
10535	parameters.
10536	(analyze_all_data_dependences): Call compute_data_dependences_for_loop
10537	with correct parameters. Compare dimensions for ARRAY_REFs only.
10538	(free_data_refs): Call macro to free access functions.
10539	* tree-data-ref.h (struct first_location_in_loop): New structure. Move
10540	fields from stmt_vinfo.
10541	(struct base_object_info): New structure.
10542	(struct data_reference): Move fields to base_object_info. Add fields
10543	first_location and object_info for above structures. Move fields from
10544	stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10545	aligned_to.  Add macros to access the new fields.
10546	Update functions declarations.
10547	* tree-flow.h (is_aliased_with): Declare.
10548	* tree-loop-linear.c (linear_transform_loops): Call
10549	compute_data_dependences_for_loop with correct parameters.
10550	* tree-ssa-alias.c (is_aliased_with): New function.
10551	* tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10552	(vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10553	(vect_analyze_data_ref_dependence): Get ddr. Remove call to
10554	vect_base_addr_differ_p, compute_subscript_distance and
10555	build_classic_dist_vector. Add printings. Check absolute value of
10556	distance.
10557	(vect_analyze_data_ref_dependences): Go through ddrs instead of
10558	data-refs.
10559	(vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10560	stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10561	to bytes. Add printing.
10562	(vect_compute_data_refs_alignment): Go through loads and stores in one
10563	loop.
10564	(vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10565	vect_analyze_data_ref_access): Likewise.
10566	(vect_analyze_pointer_ref_access): Remove.
10567	(vect_address_analysis, vect_object_analysis): Likewise.
10568	(vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10569	and analyze data-refs in the loop.
10570	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10571	fields of data-ref instead of stmt. Add init to the offset from the
10572	base.
10573	(vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10574	(vect_update_init_of_dr): Likewise.
10575	(vect_update_inits_of_drs): Go through loads and stores in one loop.
10576	* tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10577	removed fields.
10578	(new_loop_vec_info): Initialize new fields.
10579	(destroy_loop_vec_info): Free new fields.
10580	(vect_strip_conversion): Remove.
10581	* tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10582	(struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10583	datarefs. Add new field ddrs.
10584	Add macros for the new fields access.
10585	(struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10586	base_aligned_p, misalignment, memtag, ptr_info and subvars.
10587	Remove their macros.
10588	* tree.h (highest_pow2_factor): Declare.
10589
105902005-07-25  Jakub Jelinek  <jakub@redhat.com>
10591
10592	* calls.c (store_one_arg): Check for sibling call MEM arguments
10593	from already clobbered incoming argument area.
10594
105952005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10596
10597	* c-common.c (check_missing_format_attribute): New.
10598	* c-common.h (check_missing_format_attribute): Likewise.
10599	* c-typeck.c (convert_for_assignment): Use it.
10600
106012005-07-24  Andreas Schwab  <schwab@suse.de>
10602
10603	* config/m68k/m68k.md ("extendqidi2"): When source is an address
10604	register use a word move.  Correct operand of ext.w in 68000 code.
10605
106062005-07-23  Mark Mitchell  <mark@codesourcery.com>
10607
10608	* dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10609	variables as declarations, rather than definitions.
10610
106112005-07-24  Ira Rosen  <irar@il.ibm.com>
10612
10613	PR tree-optimization/22526
10614	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10615	of the zero node.
10616
106172005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10618
10619	* builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10620	that C99 reserve for future use. Use it to define clog10,
10621	clog10f and clog10l.
10622
106232005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10624
10625	* Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10626	* configure.ac: Check for -Wmissing-format-attribute.
10627
10628	* configure: Regenerate.
10629
106302005-07-23  Richard Henderson  <rth@redhat.com>
10631
10632	PR tree-optimization/22623
10633	* tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10634
106352005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10636
10637	PR target/22577
10638	* config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10639
106402005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10641
10642	* Makefile.in (C_TREE_H): Update dependencies.
10643	* c-tree.h: Include toplev.h.
10644	* diagnostic.h (diagnostic_set_info): Add format attribute.
10645	* rtl-error.c (diagnostic_for_asm): Likewise.
10646
106472005-07-23  Chao-ying Fu  <fu@mips.com>
10648
10649	* config/mips/mips-dsp.md: New file.
10650	* config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10651	* config/mips/mips.c (mips_function_type): Add types for DSP builtin
10652	functions.
10653	(mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10654	MIPS_BUILTIN_BPOSGE32.
10655	(mips_expand_builtin_direct): Add one parameter to indicate that
10656	builtin functions need to return a value.
10657	(mips_expand_builtin_bposge): New for expanding "bposge" builtin
10658	functions.
10659	(mips_regno_to_class): Add classes for 12 new DSP registers.
10660	(mips_subword): Change to check four HI registers.
10661	(mips_output_move): Output move to and from 6 new DSP accumulators.
10662	(override_options): Make sure -mdsp and -mips16 are not used together.
10663	Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10664	for machine modes.
10665	(mips_conditional_register_usage): Disable 6 new DSP accumulators
10666	when !TARGET_DSP.
10667	(print_operand): Add 'q' for printing DSP accumulators.
10668	(mips_cannot_change_mode_class): Check ACC_REGS.
10669	(mips_secondary_reload_class): Check ACC_REGS.
10670	(mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10671	(mips_register_move_cost): Check ACC_REGS.
10672	(CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10673	(CODE_FOR_mips_subu_qb): New code-aliasing macros.
10674	(DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10675	(dsp_bdesc): New array.
10676	(bdesc_arrays): Add DSP builtin function table.
10677	(mips_prepare_builtin_arg): Check predicate again after
10678	copy_to_mode_reg.
10679	(mips_expand_builtin): Add one more parameter to
10680	mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10681	MIPS_BUILTIN_BPOSGE32.
10682	(mips_init_builtins): Initialize new function types.
10683	(mips_expand_builtin_direct): Check if builtin functions need to
10684	return a value and pass operands properly.
10685	(mips_expand_builtin_bposge): New function.
10686	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10687	(ASM_SPEC): Map -mdsp to -mdsp in GAS.
10688	(FIRST_PSEUDO_REGISTER): Increase to 188.
10689	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10690	Update for 12 new DSP registers.
10691	(DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10692	(AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10693	(DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10694	(reg_class): Add DSP_ACC_REGS and ACC_REGS.
10695	(REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10696	(REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10697	(REG_ALLOC_ORDER): Update for 12 new DSP registers.
10698	(mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10699	(UIMM6_OPERAND, IMM10_OPERAND): New macros.
10700	(EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10701	(REGISTER_NAMES): Add names for 12 new DSP registers.
10702	* config/mips/mips.md: Include mips-dsp.md.
10703	(UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10704	(UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10705	(UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10706	(UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10707	(UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10708	(UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10709	(UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10710	(UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10711	(UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10712	(UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10713	(UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10714	(UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10715	(UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10716	(UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10717	(UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10718	(UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10719	(UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10720	(UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10721	(UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10722	(UNSPEC_RDDSP): New constants.
10723	(*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10724	(*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10725	A<-d alternative.
10726	* config/mips/mips.opt (-mdsp): New option.
10727	* config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10728	(reg_imm10_operand): New predicates.
10729	* doc/extend.texi (MIPS DSP Built-in Functions): New section.
10730	* doc/invoke.texi (-mdsp): Document new option.
10731
107322005-07-22  DJ Delorie  <dj@redhat.com>
10733
10734	* c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10735	to warning calls.
10736	* tree-inline.c (inlinable_function_p): Likewise.
10737
107382005-07-22  Mark Mitchell  <mark@codesourcery.com>
10739
10740	PR debug/21828
10741	* toplev.c (check_global_declarations): Do not mark undefined
10742	variables as DECL_IGNORED_P.
10743	* varasm.c (first_global_object_name): GTY it.
10744	(weak_global_object_name): Likewise.
10745	(notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10746	a string to go into {weak,first}_global_object_name.
10747
107482005-07-22  DJ Delorie  <dj@redhat.com>
10749
10750	* c-format.c (check_function_format): Change warning control
10751	option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10752
107532005-07-22  Diego Novillo  <dnovillo@redhat.com>
10754
10755	* tree-ssa-alias.c (count_ptr_derefs): Do not consider
10756	&PTR->FLD a dereference of PTR.
10757	* tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10758	a potential dereference of PTR.
10759
107602005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10761
10762	PR rtl-optimization/20370
10763	* ifcvt.c (dead_or_predicable): Before calling propagate_block,
10764	call allocate_reg_info if necessary.
10765
10766	PR rtl-optimization/21848
10767	* calls.c (emit_library_call_value_1): For const functions, add
10768	USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10769
10770	PR rtl-optimization/22445
10771	* cselib.c (target.h): Include.
10772	(rtx_equal_for_cselib_p): Allow commutative matches.
10773	(cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10774	Remove MODE parameter.  Changed all callers.
10775
10776	PR rtl-optimization/22258
10777	* combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10778	New functions.
10779	(try_combine): Use likely_spilled_retval_p.
10780
107812005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10782
10783	* config.gcc: Add crx-elf support.
10784
10785	* doc/contrib.texi: Mention crx.
10786	* doc/extend.texi: Document crx extensions.
10787	* doc/install.texi: Document crx install.
10788	* doc/invoke.texi: Document crx options.
10789	* doc/md.texi: Document crx constraints.
10790
10791	* config/crx/crx-protos.h: New file.
10792	* config/crx/crx.c: New file.
10793	* config/crx/crx.h: New file.
10794	* config/crx/crx.md: New file.
10795	* config/crx/crx.opt: New file.
10796	* config/crx/t-crx: New file.
10797
107982005-07-22  Manfred Hollstein  <mh@suse.com>
10799
10800	* tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10801	warnings.
10802	(int_add_graph_edge): Likewise.
10803	(collapse_nodes): Likewise.
10804	(process_unification_queue): Likewise.
10805
108062005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10807	    Laurent GUERBY  <laurent@guerby.net>
10808
10809	PR tree-optimization/22336
10810	* function.c (record_block_change): Check for
10811	cfun->ib_boundaries_block.
10812
108132005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10814
10815	* fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10816	(tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10817
108182005-07-21  DJ Delorie  <dj@redhat.com>
10819
10820	* toplev.c (warn_deprecated_use): Add warning control to warning
10821	call.
10822	* c-typeck.c (parser_build_binary_op): Likewise.
10823	(c_finish_if_stmt): Likewise.
10824	* c-common.c (check_function_sentinel): Likewise.
10825	(check_nonnull_arg): Likewise.
10826
108272005-07-21  Richard Henderson  <rth@redhat.com>
10828
10829	PR tree-opt/22504
10830	* tree-complex.c (complex_ssa_name_components): New.
10831	(cvc_lookup): Allow entry not found.
10832	(create_components): Remove.
10833	(create_one_component_var, get_component_var): New.
10834	(get_component_ssa_name, set_component_ssa_name): New.
10835	(extract_component): Use get_component_ssa_name.
10836	(update_complex_components): Use set_component_ssa_name.
10837	(update_complex_components_on_edge): Likewise.
10838	(update_phi_components): Create new PHI nodes directly, instead
10839	of adding insns to edges.
10840	(tree_lower_complex): Allocate and free complex_variable_components
10841	and complex_ssa_name_components here.
10842
108432005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10844
10845	* alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10846	revert to returning false.
10847
108482005-07-21  Uros Bizjak  <uros@kss-loka.si>
10849
10850	PR target/21149
10851	* config/i386/i386.md (sse_movhlps): Fix vec_select values.
10852
108532005-07-21  Uros Bizjak  <uros@kss-loka.si>
10854
10855	PR target/22576
10856	* config/i386/i386.md (cmpxf): Change operand constraints
10857	to "nonmemory_operand".
10858
108592005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10860
10861	* config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10862
108632005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10864
10865	PR middle-end/21180
10866	* fold-const.c (fold_build1): Add checksum for the operands.
10867	(fold_build2): Likewise.
10868	(fold_build3): Likewise.
10869
108702005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10871
10872	PR middle-end/19055
10873	* fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10874
108752005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10876
10877	* common.opt (-fforward-propagate): Committed by mistake,
10878	removed.
10879
108802005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10881
10882	* reg-stack.c: Fix comment typo(s).
10883	* tree-ssa-operands.c: Likewise.
10884	* tree-vectorizer: Likewise.
10885
108862005-07-21  Nick Clifton  <nickc@redhat.com>
10887
10888	* config/sh/symbian.c: Replace C++ style line comments with C
10889	style line comments.
10890	(symbian_add_attribute): Do not use a ? operator on the LHS of
10891	an assignment.
10892	(sh_symbian_handle_dll_attribute): Change the type of the
10893	method vector to "VEC(tree,gc)*" and use vector accessor
10894	macros to walk over the elements.
10895	(symbian_export_vtable_and_rtti_p): Likewise.
10896	(symbian_class_needs_attribute_p): Likewise.
10897
108982005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10899
10900	PR target/22085
10901	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10902	initialize targetm.resolve_overloaded_builtin here.
10903	(altivec_expand_overloaded_builtin): Make it non-static.
10904	* config/rs6000/rs6000-protos.h
10905	(altivec_expand_overloaded_builtin): New prototype.
10906	* config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10907	targetm.resolve_overloaded_builtin here.
10908	* config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10909
109102005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10911	    Zdenek Dvorak  <dvorakz@suse.cz>
10912
10913	PR tree-optimization/19210
10914	* common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10915	New.
10916	* Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10917	* loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10918	rely on unproven assumptions.
10919	* predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10920	* tree-flow.h (number_of_iterations_exit): Add final parameter.
10921	* tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10922	to number_of_iterations_exit.
10923	* tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10924	* tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10925	* tree-ssa-loop-niter.c (find_loop_niter,
10926	estimate_numbers_of_iterations_loop): Likewise.
10927	(number_of_iterations_exit): Honor the new options.
10928	* doc/invoke.texi (Wunsafe-loop-optimizations,
10929	funsafe-loop-optimizations): Document them.
10930
109312005-07-21  Richard Sandiford  <richard@codesourcery.com>
10932
10933	PR rtl-optimization/22167
10934	* gcse.c (hoist_code): Fix hoist_exprs[] check.
10935
109362005-07-20  Adam Nemet  <anemet@lnxw.com>
10937
10938	* config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10939	__do_global_dtors_aux longcall.
10940
109412005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10942
10943	* gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10944	(old_special_pred_table): Don't reference
10945	SPECIAL_MODE_PREDICATES.
10946	* system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10947	* config/arc/arc.h: Don't mention PREDICATE_CODES.
10948	* config/sh/predicates.h: Don't mention
10949	SPECIAL_MODE_PREDICATES.
10950	* doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10951	Remove.
10952
109532005-07-20  DJ Delorie  <dj@redhat.com>
10954
10955	* config.gcc: Add m32c-elf support.
10956
10957	* doc/contrib.texi: Mention m32c.
10958	* doc/extend.texi: Document m32c extensions.
10959	* doc/install.texi: Mention m32c.
10960	* doc/invoke.texi: Document m32c options.
10961	* doc/md.texi: Document m32c constraints.
10962
10963	* config/m32c/addsub.md: New file.
10964	* config/m32c/bitops.md: New file.
10965	* config/m32c/cond.md: New file.
10966	* config/m32c/jump.md: New file.
10967	* config/m32c/m32c-lib1.S: New file.
10968	* config/m32c/m32c-lib2.c: New file.
10969	* config/m32c/m32c-modes.def: New file.
10970	* config/m32c/m32c-pragma.c: New file.
10971	* config/m32c/m32c-protos.h: New file.
10972	* config/m32c/m32c.abi: New file.
10973	* config/m32c/m32c.c: New file.
10974	* config/m32c/m32c.h: New file.
10975	* config/m32c/m32c.md: New file.
10976	* config/m32c/m32c.opt: New file.
10977	* config/m32c/minmax.md: New file.
10978	* config/m32c/mov.md: New file.
10979	* config/m32c/muldiv.md: New file.
10980	* config/m32c/predicates.md: New file.
10981	* config/m32c/prologue.md: New file.
10982	* config/m32c/shift.md: New file.
10983	* config/m32c/t-m32c: New file.
10984
109852005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10986
10987	* config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10988	(stack_protect_set, stack_protect_test): New expanders.
10989	(stack_protect_set_si, stack_protect_set_si_media,
10990	stack_protect_set_di_media, stack_protect_test_si,
10991	stack_protect_test_si_media, stack_protect_test_di_media):
10992	New insns.
10993
109942005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10995
10996	* c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10997
109982005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10999
11000	* tree.h (tree_expr_nonzero_p): Export.
11001	* fold-const.c (tree_expr_nonzero_p): Likewise.
11002	Return true for CALL_EXPRs that are alloca calls.
11003	(fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
11004	against zero.
11005	* tree-flow.h (expr_computes_nonzero): Remove.
11006	* tree-vrp.c (expr_computes_nonzero): Remove.
11007	(vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
11008	(extract_range_from_unary_expr): Likewise.
11009	* tree-ssa-dom.c (record_equivalences_from_stmt): Use
11010	tree_expr_nonzero_p.
11011
110122005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
11013
11014	* config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
11015	* config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
11016	extra arg "picreg" and use it instead of pic_offset_table_rtx.
11017	All callers changed.
11018	(frame_related_constant_load): New arg "related" which controls
11019	setting of RTX_FRAME_RELATED_P.  All callers changed.
11020	(bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
11021	(bfin_expand_prologue): Add stack limit checking.
11022	* config/bfin/bfin.md (trapifcc): New pattern.
11023
11024	* config/bfin/bfin.c: Include "langhooks.h".
11025	(def_builtin): Go through lang_hooks to call builtin_function.
11026
11027	* config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
11028	* config/bfin/predicates.md (symbol_ref_operand): New.
11029	(call_insn_operand): Delete.  All callers changed to use
11030	register_no_elim_operand.
11031	* config/bfin/bfin.c (init_cumulative_args): Initialize the new
11032	call_cookie field.
11033	(function_arg): Use it to generate the call's operand 2.
11034	(bfin_longcall_p): New function.
11035	(bfin_expand_call): Extra arg "cookie".  All callers and declaration
11036	changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
11037	determine if the address needs to be in a REG.
11038	(bfin_handle_longcall_attribute): New function.
11039	(bfin_attribute_table): Add "longcall" and "shortcall".
11040	* config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
11041	(CUMULATIVE_ARGS): New member call_cookie.
11042	(PREDICATE_CODES): Add symbol_ref_operand.
11043	* config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
11044	extra USE to the pattern.
11045	(call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
11046	New patterns, split off call_insn, sibcall_insn, call_value_insn and
11047	sibcall_value_insn; now the new patterns handle direct calls and the
11048	old ones indirect calls.
11049	* doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
11050
110512005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
11052
11053	* doc/trouble.texi: Update section on handling of empty loops.
11054
110552005-07-20  Kazu Hirata  <kazu@codesourcery.com>
11056
11057	* config.gcc: Remove support for sparc-*-openbsd*,
11058	i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
11059	ns32k-*-netbsd*.
11060	* config.host: Remove support for i860-*-sysv4* as a host.
11061	* config/i860/*, config/ip2k/*, config/ns32k/*,
11062	config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
11063	* doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
11064	mention obsolete ports.
11065
110662005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11067
11068	* config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
11069	soft frame pointer.
11070	(sh_expand_prologue): Use hard_frame_pointer_rtx instead
11071	of frame_pointer_rtx.
11072	(sh_expand_epilogue): Likewise.
11073	(sh_set_return_address): Likewise.
11074	(initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
11075	instead of FRAME_POINTER_REGNUM if needed.  Add elimination
11076	offsets from FRAME_POINTER_REGNUM.
11077	* config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
11078	(sh_register_names): Add initializer for sfp.
11079	(GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
11080	(VALID_REGISTER_P): Likewise.
11081	(FIRST_PSEUDO_REGISTER): Update.
11082	(DWARF_FRAME_REGISTERS): Define.
11083	(FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
11084	(HARD_FRAME_POINTER_REGNUM): Define.
11085	(FRAME_POINTER_REGNUM): Redefine.
11086	(ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
11087	but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
11088	from FRAME_POINTER_REGNUM.
11089	(CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
11090	FRAME_POINTER_REGNUM.
11091	(REG_CLASS_CONTENTS): Add sfp.
11092	(REG_ALLOC_ORDER): Likewise.
11093	(FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
11094	(GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
11095	of frame_pointer_rtx.
11096	(LEGITIMIZE_RELOAD_ADDRESS): Likewise.
11097
110982005-07-19  James A. Morrison  <phython@gcc.gnu.org>
11099
11100	* fold-const.c (tree_expr_nonnegative_p): Only return true for
11101	ABS_EXPR when flag_wrapv is false because of INT_MIN.
11102	(tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
11103	of an ABS_EXPR.
11104	(fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
11105	ABS_EXPR<x>.
11106
111072005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
11108
11109	Make CONSTRUCTOR use VEC to store initializers.
11110	* c-common.c (complete_array_type): Update to cope with VEC in
11111	CONSTRUCTOR_ELTS.
11112	* c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
11113	(pp_c_constructor_elts): New function.
11114	* c-pretty-print.h (pp_c_constructor_elts): Declare.
11115	* c-typeck.c (build_function_call, build_c_cast, digest_init,
11116	struct constructor_stack, struct initializer_stack,
11117	constructor_elements, push_init_level, pop_init_level,
11118	add_pending_init, find_init_member, output_init_element): Update to
11119	cope with VEC in CONSTRUCTOR_ELTS.
11120	* coverage.c (build_fn_info_value, build_ctr_info_value,
11121	build_gcov_info): Likewise.
11122	* expr.c (categorize_ctor_elements_1, store_constructor,
11123	expand_expr_real_1): Likewise.
11124	* fold-const.c (fold_ternary): Likewise.
11125	* gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
11126	gimplify_init_constructor, gimplify_expr): Likewise.
11127	* tree-dump.c (dequeue_and_dump): Likewise.
11128	* tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
11129	node.
11130	* tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
11131	CONSTRUCTOR_ELTS.
11132	* tree-sra.c (generate_element_init_1): Likewise.
11133	* tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
11134	* tree-ssa-operands.c (get_expr_operands): Likewise.
11135	* tree-vect-generic.c (expand_vector_piecewise): Likewise.
11136	* tree-vect-transform.c (vect_get_vec_def_for_operand):
11137	(get_initial_def_for_reduction): Likewise.
11138	* tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
11139	value handle in annotations.
11140	* tree.c (tree_node_kind, tree_code_size, make_node_stat,
11141	tree_node_structure): Add support for constr_kind.
11142	(build_vector_from_ctor, build_constructor_single,
11143	build_constructor_from_list): New functions.
11144	(build_constructor): Update to take a VEC instead of a TREE_LIST.
11145	(simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
11146	Update to cope with VEC in CONSTRUCTOR_ELTS.
11147	* tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
11148	* tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
11149	CONSTRUCTOR_APPEND_ELT): New macros.
11150	(struct constructor_elt, struct	tree_constructor): New data types.
11151	(union tree_node): Add tree_constructor field.
11152	* treestruct.def: Define TS_CONSTRUCTOR.
11153	* varasm.c (const_hash_1, compare_constant, copy_constant,
11154	compute_reloc_for_constant, output_addressed_constants,
11155	initializer_constant_valid_p, output_constant,
11156	array_size_for_constructor, output_constructor): Update to cope with
11157	VEC in CONSTRUCTOR_ELTS.
11158	* vec.h (VEC_empty, VEC_copy): New macros.
11159
111602005-07-19  Devang Patel  <dpatel@apple.com>
11161
11162	* dbxout.c (dbxout_type): Check Objective-C++ lang.
11163
111642005-07-19  Richard Henderson  <rth@redhat.com>
11165
11166	PR tree-opt/22278
11167	* gimplify.c (gimplify_expr): Use main variant type for the temp
11168	destination for a discarded volatile read.
11169	* tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
11170	casts between non-void types that change volatility.
11171
111722005-07-15  DJ Delorie  <dj@redhat.com>
11173
11174	* toplev.h: Add comment about the first parameter for warning().
11175	* errors.h: Likewise.
11176
11177	* c.opt (Wpragmas): New.
11178	* doc/invoke.texi: Document it.
11179
11180	* function.c (do_warn_unused_parameter): Add warning control to
11181	warning call.
11182	* c-decl.c (warn_if_shadowing): Likewise.
11183	* c-lex.c (cb_def_pragma): Likewise.
11184	* c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
11185	(pop_alignment): Likewise.
11186	(handle_pragma_pack): Likewise.
11187	(apply_pragma_weak): Likewise.
11188	(handle_pragma_weak): Likewise.
11189	(handle_pragma_redefine_extname): Likewise.
11190	(add_to_renaming_pragma_list): Likewise.
11191	(handle_pragma_extern_prefix): Likewise.
11192	(maybe_apply_renaming_pragma): Likewise.
11193	(handle_pragma_visibility): Likewise.
11194
11195	* config/c4x/c4x-c.c (BAD): Likewise.
11196	(c4x_parse_pragma): Likewise.
11197	* config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
11198	* config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
11199	(rs6000_pragma_longcall): Likewise.
11200	* config/v850/v850-c.c (pop_data_area): Likewise.
11201	(ghs_pragma_section): Likewise.
11202	(ghs_pragma_section): Likewise.
11203	(ghs_pragma_interrupt): Likewise.
11204	(ghs_pragma_starttda): Likewise.
11205	(ghs_pragma_startsda): Likewise.
11206	(ghs_pragma_startzda): Likewise.
11207	(ghs_pragma_endtda): Likewise.
11208	(ghs_pragma_endsda): Likewise.
11209	(ghs_pragma_endzda): Likewise.
11210
112112005-07-19  Danny Berlin <dberlin@dberlin.org>
11212	    Kenneth Zadeck <zadeck@naturalbridge.com>
11213
11214	* Makefile.in: Removed tree-promote-statics.c
11215	* tree-promote-statics.c: Removed.
11216	* common.opt: Removed flag-promote-statics.
11217	* opts.c: Ditto.
11218	* passes.c: Removed tree-promote-statics pass.
11219	* tree-pass.h: Ditto.
11220	* timevar.def: Removed TV_PROMOTE_STATICS.
11221
11222
112232005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11224
11225	* config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11226	and *-*-freebsd9.
11227	* config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11228
112292005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11230
11231	PR c/22476
11232	* c-common.c (check_function_arguments): Call
11233	'check_function_format' if either -Wformat or
11234	-Wmissing-format-attribute are specified.
11235	* c-format.c (check_function_format): Check -Wformat before
11236	calling 'check_format_info'.
11237	* c-opts.c (c_common_post_options): Don't warn for
11238	-Wmissing-format-attribute without -Wformat.
11239	* c-typeck.c (convert_for_assignment): Detect additional cases for
11240	-Wmissing-format-attribute.
11241	* doc/invoke.texi (-Wmissing-format-attribute): Document new
11242	behavior.
11243
112442005-07-19  Richard Guenther  <rguenther@suse.de>
11245
11246	* config/i386/i386.md (lrint<mode>2): Use temporary
11247	instead of clobbering non-existent memory.
11248
112492005-07-19  Nick Clifton  <nickc@redhat.com>
11250
11251	* config/avr/avr.c (legitimate_address_p): Fix debugging print
11252	statement to avoid displaying ASCII control characters.
11253
112542005-07-19  Ben Elliston  <bje@au.ibm.com>
11255
11256	* bt-load.c (link_btr_uses): Fix uninitialised warnings.
11257	* cfganal.c (find_edge_index): Ditto.
11258	* combine.c (combine_instructions): Ditto.
11259	* ddg.c (create_scc): Ditto.
11260	(find_successors): Ditto.
11261	(find_predecessors): Ditto.
11262	(find_nodes_on_paths): Ditto.
11263	(longest_simple_path): Ditto.
11264	* flow.c (update_life_info): Ditto.
11265	(count_or_remove_death_notes): Ditto.
11266	(clear_log_links): Ditto.
11267	* modulo-sched.c (generate_reg_moves): Ditto.
11268	(find_max_asap): Ditto.
11269	(find_max_hv_min_mob): Ditto.
11270	(find_max_dv_min_mob): Ditto.
11271	* sbitmap.c (sbitmap_first_set_bit): Ditto.
11272	* sched-rgn.c (extract_edgelst): Ditto.
11273	* tree-into-ssa.c (prepare_names_to_update): Ditto.
11274	(dump_update_ssa): Ditto.
11275	(ssa_names_to_replace) Ditto.
11276	(switch_virtuals_to_full_rewrite): Ditto.
11277	(update_ssa): Ditto.
11278	* tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11279
112802005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11281
11282	Fix PR tree-optimization/22483
11283
11284	* tree-complex.c (create_components): Use
11285	safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11286	* tree-flow-inline.h (fill_referenced_var_vec): New function.
11287	* tree-flow.h (safe_referenced_var_iterator): New structure.
11288	(FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11289	* tree-ssa-alias.c (setup_pointers_and_addressables): Use
11290	safe_referenced_var iterator.
11291	(add_type_alias): Ditto.
11292
112932005-07-19  Steven Bosscher  <stevenb@suse.de>
11294
11295	* loop-init.c (rest_of_handle_loop2): Remove.
11296	(rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11297	rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11298	(pass_rtl_loop_init, pass_rtl_loop_done,
11299	pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11300	pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11301	* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11302	pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11303	pass_tree_loop_done, and pass_tree_unswitch.
11304	(gate_loop): Rename to gate_tree_loop.
11305	* passes.c (init_optimization_passes): Update for renamed tree
11306	loop passes.  Add the new loop2 passes as subpasses of loop2.
11307	* tree-pass.h: Add extern declarations for the new loop2 subpasses.
11308	Update for the renamed tree loop passes.
11309
113102005-07-18  Ian Lance Taylor  <ian@airs.com>
11311
11312	PR middle-end/22057
11313	* tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11314	blocks when optimizing.
11315
113162005-07-18  Steve Ellcey  <sje@cup.hp.com>
11317
11318	* common.opt (frename-registers): Initialize to 2.
11319	(fweb): Ditto.
11320	(fgcse-after-reload): Ditto.
11321	* toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11322	(process_options): Only change flag_web, flag_rename_registers,
11323	and flag_rerun_cse_after_loop if not explicitly set by user.
11324
113252005-07-18  Jan Beulich  <jbeulich@novell.com>
11326
11327	* config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11328	ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11329	in 64-bit mode the same as DImode in 32-bit mode.
11330	(ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11331	ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11332	mode. Add new mode parameter.
11333	* config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11334	* config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11335	x86_64_shift_adj): New expanders.
11336	(*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11337	*ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11338	insns.
11339	Respective new splitters. Use renamed shift splitter helpers in 32-bit
11340	DImode shift splitters.
11341	* config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11342	ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11343	mode parameter.
11344
113452005-07-18  Jan Beulich  <jbeulich@novell.com>
11346
11347	* i386.md (movdi_extzv_1): New.
11348	(zero_extendhidi2): Combine alternatives and never force use of
11349	REX64 prefix.
11350	(zero_extendqidi2): Likewise. Don't restrict input selection.
11351
113522005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11353
11354	Fix PR tree-optimization/22531
11355	* tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
11356	 moment.
11357
113582005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11359
11360	* tree-promote-statics.c (pass_promote_statics): Change dump file
11361	 name.
11362
113632005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11364
11365	* tree-optimize.c (init_tree_optimization_passes): Add
11366	pass_eliminate_useless_stores pass.
11367	* tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11368	* tree-ssa-pre.c (is_copy_stmt): New function.
11369	(follow_copies_till_vuse): Ditto.
11370	(do_eustores): Ditto.
11371	(gate_eustores): Ditto.
11372
113732005-07-16  Richard Henderson  <rth@redhat.com>
11374
11375	* gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11376
113772005-07-16 Danny Berlin <dberlin@dberlin.org>
11378	   Kenneth Zadeck <zadeck@naturalbridge.com>
11379
11380	* Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11381	ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11382	ipa-type-escape.h, tree-promote-statics.c
11383	* ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11384	ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11385	tree-promote-statics.c: new files.
11386	* alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11387	nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11388	int nonlocal_set_p, mark_constant_function): Deleted.
11389	(rest_of_handle_cfg): Removed call to mark_constant_function.
11390	(nonoverlapping_component_refs_p): Added calls to support
11391	type based aliasing.
11392	* tree-ssa-alias.c (may_alias_p,
11393	compute_flow_insensitive_aliasing): Ditto.
11394	* calls.c (flags_from_decl_or_type): Removed reference to
11395	cgraph_rtl_info.
11396	* c-typeck.c (convert_arguments): Make builtins tolerant of having
11397	too many arguments.  This is necessary for Spec 2000.
11398	* cgraph.h (const_function, pure_function): Removed.
11399	* common.opt: Added "fipa-pure-const", "fipa-reference",
11400	"fipa-type-escape", and "ftree-promote-static".
11401	* opts.c: Ditto.
11402	* passes.c: Added ipa and tree-promote-statics passes.
11403	* timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11404	TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11405	* tree-dfa.c (referenced_var_lookup_if_exists): New function.
11406	* tree-flow.h: Added exposed sra calls and addition of
11407	reference_vars_info field for FUNCTION_DECLS.
11408	* tree-pass.h: Added passes.
11409	* tree-sra.c: (sra_init_cache): New function.
11410	(sra_insert_before, sra_insert_after) Made public.
11411	(type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11412	and made public.
11413	* tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11414	aliasing. (may_alias_p): Added code to use type escape analysis to
11415	improve alias sets.
11416	* tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11417	code to prune clobbers of static variables based on information
11418	produced in ipa-reference pass.  Changed call clobbering so that
11419	statics are not marked as clobbered if the call does not clobber
11420	them.
11421
114222005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11423
11424	* tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11425	too.
11426
114272005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11428
11429	* doc/install.texi (*-*-solaris2*): Document recommended version
11430	of GNU binutils and mention GNU linker problem on Solaris 10.
11431
114322005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11433
11434	PR c/22421
11435	* c-decl.c (c_build_bitfield_integer_type): New function.
11436	(finish_struct): Call it.
11437	* c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11438
114392005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11440
11441	* c-typeck.c (digest_init): Call 'convert_for_assignment'
11442	before returning.
11443
114442005-07-16  Jan Hubicka  <jh@suse.cz>
11445
11446	* cfg.c (update_bb_profile_for_threading): Fix profile updating.
11447	(scale_bbs_frequencies_int): Watch roundoff errors.
11448	* predict.c (return_prediction): Initialize return_stmt.
11449
114502005-07-16  Jan Hubicka  <jh@suse.cz>
11451
11452	* profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11453	after RTL profiling.
11454
114552005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11456
11457	PR middle-end/22398
11458	* fold-const.c (build_range_check): Convert high/low to etype
11459	if we are only comparing against exp.
11460
114612005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11462
11463	Fix PR tree-optimization/22376
11464	* tree-ssa-structalias.c (build_constraint_graph): We really meant
11465	special var here.
11466	(need_to_solve): New function.
11467	(compute_points_to_sets): Use it.
11468
114692005-07-15  Jan Hubicka  <jh@suse.cz>
11470
11471	* cfg.c (update_bb_profile_for_threading): More diagnostic.
11472	* tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11473
114742005-07-15  Richard Guenther  <rguenther@suse.de>
11475
11476	* c-common.c (handle_flatten_attribute): New function.
11477	Add flatten function attribute.
11478	* doc/extend.texi: Document flatten function attribute.
11479	* Makefile.in (ipa-inline.o): Depend on hashtab.h.
11480	* ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11481	New functions.
11482	(cgraph_decide_inlining): Handle functions with flatten
11483	attribute.
11484
114852005-07-14  David Edelsohn  <edelsohn@gnu.org>
11486
11487	* config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11488	UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11489	UNSPEC_XCHG, UNSPEC_AND): New.
11490	(UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11491	UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11492	* config/rs6000/sync.md (FETCHOP): New code macro.
11493	(fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11494	New code attrs.
11495	(memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11496	(sync_compare_and_swap<mode>): Same.
11497	(sync_lock_test_and_set<mode>): Same.
11498	(sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11499	for QImode and HImode, and not PPC405.
11500	(sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11501	(sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11502	(sync_<fetchop>{si,di}_internal): New.
11503	(sync_nand{si,di}_internal): New.
11504	(sync_old_<fetchop>{si,di}_internal): New.
11505	(sync_old_nand{si,di}_internal): New
11506	(sync_new_<fetchop>{si,di}_internal): New.
11507	(sync_new_nand{si,di}_internal): New.
11508	(atomic_and{si,di}): New.
11509	(sync_new_nand{si,di}_internal): New.
11510	(atomic_and{si,di}): New.
11511	(sync_add<mode>_internal): Delete.
11512	(sync_addshort_internal): Use unspec instead of unspec_volatile.
11513	(sync_sub<mode>_internal): Delte.
11514	(sync_subshort_internal): New.
11515	(sync_andsi_internal): Use unspec instead of unspec_volatile.
11516	(sync_anddi_internal): Delete.
11517	(sync_boolsi_internal): Use unspec instead of unspec_volatile.
11518	(sync_booldi_internal): Delete.
11519	(sync_boolc<mode>_internal): Delete.
11520	(sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11521	(sync_boolc<mode>_internal2): Delete.
11522	(sync_boolcc<mode>_internal): Delete.
11523	(isync, lwsync): Use unspec instead of unspec_volatile.
11524	* config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11525	Revert UNSPEC_VOLATILE.
11526	(rs6000_split_atomic_op): New.
11527	* config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11528
115292005-07-14  Eric Christopher  <echristo@redhat.com>
11530
11531	* config/mips/mips.c (mips_canonicalize_comparison): Cast
11532	argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11533
115342005-07-14  Eric Christopher  <echristo@redhat.com>
11535
11536	* config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11537
115382005-07-14  Steven Bosscher  <stevenb@suse.de>
11539
11540	PR tree-optimization/22230
11541	* tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11542	the computation of the four cross productions for "range op range".
11543
115442005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11545	    Ulrich Weigand  <uweigand@de.ibm.com>
11546
11547	PR target/20126
11548	* loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11549	in some insn.
11550
115512005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11552
11553	* config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11554
115552005-07-14  Steve Ellcey  <sje@cup.hp.com>
11556
11557	* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11558
115592005-07-14  Richard Guenther  <rguenther@suse.de>
11560
11561	PR middle-end/22347
11562	* config/i386/i386-protos.h (ix86_function_value): Change
11563	prototype to match new target hook.
11564	* config/i386/i386.c (ix86_value_regno): Change prototype
11565	to take extra type argument.
11566	(TARGET_FUNCTION_VALUE): Define.
11567	(ix86_function_ok_for_sibcall): Pass extra argument to
11568	ix86_value_regno, check return slot rtx for exact match.
11569	(ix86_function_value): Take extra parameter.  Dispatch to
11570	ix86_value_regno with fndecl/fntype as provided.
11571	(ix86_value_regno): Handle extra type argument.
11572	* config/i386/i386.h (FUNCTION_VALUE): No longer define.
11573
11574	* testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11575	* testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11576	* testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11577	* testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11578	* testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11579
115802005-07-14  Richard Guenther  <rguenther@suse.de>
11581
11582	* Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11583	* calls.c (expand_call): Pass fntype to hard_function_value.
11584	(emit_library_call_value_1): Likewise.
11585	* explow.c: Include target.h.
11586	(hard_function_value): Take extra argument, the fntype.
11587	Use new target hook for function_value.
11588	* expr.h (hard_function_value): Change prototype.
11589	* function.c (aggregate_value_p): Pass 0 as fntype to
11590	hard_function_value.
11591	(assign_parms): Use new target hook for function_value.
11592	Pass 0 as fntype to hard_function_value.
11593	(expand_function_end): Likewise.
11594	* reg-stack.c: Include target.h.
11595	(stack_result): Use new target hook for function_value.
11596	* target-def.h: New target hook function_value.
11597	* target.h: Likewise.
11598	* targhooks.c (default_function_value): New function.
11599	* targhooks.h (default_function_value): Declare.
11600
116012005-07-13  Ian Lance Taylor  <ian@airs.com>
11602
11603	* config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11604
116052005-07-14  Jan Hubicka  <jh@suse.cz>
11606
11607	* tree-dfa.c (dump_variable): Use default_def function.
11608	* tree-ssa-alias.c (dump_points_to_info): Likewise.
11609	* tree-ssa.c (verify_use): Likewise.
11610	* tree-ssanames.c (release_ssa_name): Likewise.
11611	* tree-tailcall.c (eliminate_tail_call): Likewise.
11612	(tree_optimize_tail_calls_1): Likewise.
11613	* tree-vrp.c (get_value_range): Likewise.
11614
116152005-07-14  Ben Elliston  <bje@au.ibm.com>
11616
11617	* gcc.c (main): Compare language[0] with '*' when iterating over
11618	the infiles.
11619
116202005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11621
11622	* config/s390/s390.c: (s390_cc_modes_compatible): Move before
11623	"s390_emit_compare".  Add handling of CCZ1mode.
11624	(s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11625	(390_emit_compare): Use "s390_cc_modes_compatible" for mode
11626	checking.
11627	(s390_branch_condition_mask): Add CCZ1mode handling.
11628	* config/s390/s390.md: ("seq", "*seq"): New pattern.
11629	("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11630	Use CCZ1mode instead of CCZmode.
11631	* config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11632
116332005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11634
11635	* config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11636	pattern.
11637	("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11638
116392005-07-13  Eric Christopher  <echristo@redhat.com>
11640
11641	* config/mips/mips.c (mips_canonicalize_comparison): New.
11642	(mips_emit_int_relational): Use.
11643
116442005-07-13  Eric Christopher  <echristo@redhat.com>
11645
11646	* config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11647	static extra parts.
11648	* config/s390/s390.md: Include tpf.md. Move tpf specific
11649	patterns...
11650	* config/s390/tpf.md: To here.
11651	* config/s390/s390.opt: Move tpf specific options...
11652	* config/s390/tpf.opt: to here. Add mmain option.
11653	* config/s390/tpf-unwind.h: Remove unnecessary defines.
11654	* config/s390/tpf.h: Rewrite.
11655
116562005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11657
11658	* doc/tm.texi: Remove @xref{Cross-profiling}.
11659
116602005-07-13  Jeff Law  <law@redhat.com>
11661
11662	* fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11663	expressions, test their _DECL operands for pointer equality rather
11664	than using operand_equal_p.
11665
116662005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11667
11668	* config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11669	(TARGET_POSIX_IO): This.
11670	* config/darwin.h: Likewise.
11671	* config/freebsd.h: Likewise.
11672	* config/linux.h: Likewise.
11673	* config/lynx.h: Likewise.
11674	* config/netbsd.h: Likewise.
11675	* config/rs6000/linux64.h: Likewise.
11676	* config/rs6000/linux.h: Likewise.
11677	* config/s390/tpf.h: Likewise.
11678	* config/sh/embed-elf.h: Likewise.
11679	* config/sparc/linux64.h: Likewise.
11680	* config/sparc/linux.h: Likewise.
11681	* config/svr4.h: Likewise.
11682	* gcov-io.h: Likewise.
11683
11684	* doc/tm.texi: Updated.
11685
11686	* libgcov.c (create_file_directory): Defined only if
11687	TARGET_POSIX_IO is defined.
11688	(gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11689	is defined.
11690
116912005-07-13  Jan Hubicka  <jh@suse.cz>
11692
11693	* tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11694
116952005-07-13  David Edelsohn  <edelsohn@gnu.org>
11696
11697	* tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11698	structure as argument.
11699
117002005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11701
11702	PR tree-optimization/21921
11703	* tree-iterator.c (tsi_link_before): Support the case when
11704	tsi_end_p (tsi) == true.
11705
117062005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11707
11708	PR tree-optimization/22442
11709	* tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11710	correctly.
11711
117122005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11713
11714	PR rtl-optimization/20376
11715	* toplev.c (process_options): Enable -fweb and -frename-registers when
11716	unrolling.
11717	* doc/invoke.texi: Update the information about when -fweb and
11718	-frename-registers are enabled.
11719
117202005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11721
11722	PR tree-opt/21840
11723	* tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11724	if *rhs_p is not a SSA_NAME.
11725
117262005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11727
11728	Fix PR tree-optimization/22422
11729	* tree-ssa-structalias.c (struct variable_info): Add flag for
11730	special vars.
11731	(get_varinfo): Now a static function.
11732	(new_varinfo): init has_union and is_special_var to false.
11733	(solution_set_add): Check has_union.
11734	(do_da_constraint): Move temporary variable so it gets reset
11735	properly.
11736	Also check for special variable.
11737	(do_ds_constraint): Ditto.
11738	(do_sd_constraint): Ditto.
11739	(do_structure_copy): Check for special variable.
11740	(find_func_aliases): Ditto.
11741	(init_base_vars): Set special vars properly.
11742
117432005-07-13  Jan Hubicka  <jh@suse.cz>
11744
11745	* cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11746	do unit-at-a-time.
11747
11748	* tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11749	(get_expr_operands): Fix thinko wrt flags and subvars.
11750
11751	PR tree-optimize/22379
11752	* tree-inline.c (expand_call_inline): Do not output sorry in early
11753	inlining.
11754
117552005-07-12  Dale Johannesen  <dalej@apple.com>
11756
11757	* config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
11758
117592005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11760
11761	PR bootstrap/21704
11762	* host-linux.h: Include limits.h.
11763
117642005-07-12  Dale Johannesen  <dalej@apple.com>
11765
11766	* expr.c (compress_float_constant): Add cost check.
11767	* config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
11768
117692005-07-12  Dale Johannesen  <dalej@apple.com>
11770
11771	* gcc.target/i386/compress-float-sse.c: New.
11772	* gcc.target/i386/compress-float-sse-pic.c: New.
11773	* gcc.target/i386/compress-float-387.c: New.
11774	* gcc.target/i386/compress-float-387-pic.c: New.
11775	* gcc.dg/compress-float-ppc.c: New.
11776	* gcc.dg/compress-float-ppc-pic.c: New.
11777
117782005-07-12  Eric Christopher  <echristo@redhat.com>
11779
11780	* config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11781	static extra parts.
11782	* config/s390/s390.md: Include tpf.md. Move tpf specific
11783	patterns...
11784	* config/s390/tpf.md: To here.
11785	* config/s390/s390.opt: Move tpf specific options...
11786	* config/s390/tpf.opt: to here. Add mmain option.
11787	* config/s390/tpf-unwind.h: Remove unnecessary defines.
11788	* config/s390/tpf.h: Rewrite.
11789
117902005-07-12  Eric Christopher  <echristo@redhat.com>
11791
11792	* gcc.c (struct infile): Update comment for language.
11793	(main): Rewrite input file resetting code.
11794
117952005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11796
11797	PR tree-opt/22335
11798	* tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11799	requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11800	(lookup_avail_expr): Use constant_boolean_node instead
11801	of boolean_false_node/boolean_true_node.
11802
118032005-07-12  Ben Elliston  <bje@au.ibm.com>
11804
11805	* tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11806	and use it when printing num_edges.
11807
118082005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11809
11810	* doc/extend.texi (Blackfin Built-in Functions): New section.
11811	* doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11812	@opindex.
11813
118142005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11815
11816	* builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11817	s/cmpstrsi/cmpstrnsi
11818	(expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11819	'cmpstrnsi'.
11820	* optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11821	(init_optabs): Initialize cmpstrn_optab.
11822	* optabs.h: (enum insn_code cmpstrn_optab): Declare.
11823	* genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11824	* expr.c: (enum insn_code cmpstrn_optab): Declare.
11825	* config/i386/i386.md: s/cmpstr/cmpstrn
11826	* config/c4x/c4x.md: s/cmpstr/cmpstrn
11827	* doc/md.texi: Update documentation.
11828
118292005-07-11  Richard Henderson  <rth@redhat.com>
11830
11831	* config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11832	build_va_arg_indirect_ref.
11833	(alpha_gimplify_va_arg): Likewise.
11834	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11835	* config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11836	* config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11837	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11838	* config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11839	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11840	Likewise.
11841	* config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11842
118432005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11844
11845	* tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11846	* passes.c (init_optimization_passes): Add pass_empty_loop.
11847	* tree-pass.h (pass_empty_loop): Declare.
11848	* tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11849	try_remove_empty_loop, remove_empty_loops): New functions.
11850	* tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11851	* tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11852
118532005-07-12  Peter Barada  <peter@the-baradas.com>
11854
11855	PR middle-end/16719
11856	PR middle-end/18421
11857	* config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11858	in address registers.
11859	* config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11860	* config/m68k/m68k.md: Replace 's' with 'i' in 4th
11861	alternative of addsi3_5200.
11862
118632005-07-11  Ian Lance Taylor  <ian@airs.com>
11864
11865	* config/mips/mips.md (ffs<mode>2): Remove.
11866
118672005-07-11  Ian Lance Taylor  <ian@airs.com>
11868
11869	* doc/tree-ssa.texi (Cleanups): Improve description of
11870	TRY_FINALLY_EXPR.
11871	(GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11872
118732005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11874
11875	* print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11876	* tree.h (DECL_ARGUMENT_FLD): New macro.
11877
118782005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11879
11880	Fix PR tree-optimization/22404
11881
11882	* tree-ssa-structalias.c (create_variable_info_for): Use
11883	correct offset.
11884
118852005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11886
11887	* config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11888	compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11889	for second comparison operand.
11890	* config/bfin/predicates.md (reg_or_const_int_operand): New.
11891
11892	* config/bfin/bfin.md (define_attr "type"): Add "sync".
11893	(define_insn_reservation "alu"): Likewise.
11894	(csync, ssync): Now of type sync.
11895	* config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11896	-mcsync-anomaly -mspecld-anomaly.
11897	* config/bfin/bfin.opt (mcsync): Remove.
11898	(mcsync-anomaly, mspecld-anomaly): Add.
11899	* config/bfin/bfin.c: Include "insn-codes.h".
11900	(bfin_reorg): Extend to handle the CSYNC anomaly as well.
11901	(TARGET_DEFAULT_TARGET_FLAGS): New.
11902	* doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11903
119042005-07-11  Steven Bosscher  <stevenb@suse.de>
11905
11906	* basic-block.h: Give the BB flags enum a name, bb_flags.
11907	Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11908	* cfgcleanup.c (enum bb_flags): Remove here.
11909	(BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11910	(notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11911	(update_forwarder_flag): Likewise.
11912	(thread_jump): Likewise.
11913	(try_forward_edges): Likewise.
11914	(try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11915	forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11916	reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11917
119182005-07-11  Richard Guenther  <rguenther@suse.de>
11919
11920	* config/i386/i386.opt: New target option -msseregparm.
11921	* config/i386/i386.c (override_options): Error out for
11922	-msseregparm but no SSE support.
11923	(ix86_function_sseregparm): Check for global sseregparm.
11924	* doc/invoke.texi: Document -msseregparm.
11925
119262005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11927
11928	* config.gcc (m32r-*-linux*): Use the default extra_parts.
11929	(m32rle-*-linux*): Ditto.
11930
119312005-07-11  Jakub Jelinek  <jakub@redhat.com>
11932
11933	* cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11934	instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11935	bytes.
11936
119372005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11938
11939	PR middle-end/22239
11940	PR target/20126
11941	* loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11942	gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11943
119442005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11945
11946	* tree-ssa-structalias.c (struct variable_info): Heapify complex.
11947	(varmap): Heapify varmap.
11948	(constraints): Heapify constraints.
11949	(struct constraint_graph): Heapify succs and preds.
11950	(constraint_vec_find): Update for heapification.
11951	(constraint_set_union): Ditto.
11952	(insert_into_complex): Ditto.
11953	(constraint_edge_vec_find): Ditto.
11954	(erase_graph_self_edge): Ditto.
11955	(add_graph_edge): Ditto.
11956	(get_graph_weights): Ditto.
11957	(merge_graph_nodes): Ditto.
11958	(build_constraint_graph): Ditto.
11959	(topo_visit): Ditto.
11960	(solve_graph): Ditto.
11961	(create_variable_info_for): Ditto.
11962	(init_base_vars): Ditto.
11963	(delete_points_to_sets): Free graph, varmap, and complex constraints.
11964	(condese_varmap_nodes): Free complex vector.
11965	(clear_edges_for_node): Clear succs and preds vector.
11966
119672005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11968
11969	* tree-ssa-structalias.c (update_alias_info): Change counting of
11970	references to not include vdefs.
11971
119722005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11973
11974	* tree-ssa-alias.c (free_used_part_map): Add missing free.
11975	(up_insert): Ditto.
11976
119772005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11978
11979	* pa.c (pa_commutative_p): Make PLUS commutative when
11980	TARGET_NO_SPACE_REGS is true.
11981
119822005-07-09  Diego Novillo  <dnovillo@redhat.com>
11983
11984	* Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11985	* tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11986	* tree-dfa.c (dump_subvars_for): New.
11987	(debug_subvars_for): New.
11988	(dump_variable): Show subvariables if VAR has them.
11989	* tree-flow-inline.h (get_subvar_at): New.
11990	(overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11991	* tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11992	Update all users.
11993	(struct subvar): Change fields offset and size to unsigned
11994	HOST_WIDE_INT.
11995	(dump_subvars_for): Declare.
11996	(debug_subvars_for): Declare.
11997	(get_subvar_at): Declare.
11998	(okay_component_ref_for_subvars): Change 2nd and 3rd argument
11999	to unsigned HOST_WIDE_INT *.
12000	(overlap_subvar): Likewise.
12001	* tree-gimple.c (is_gimple_reg): Always return false for
12002	SFTs and memory tags.
12003	* tree-pass.h (pass_build_pta, pass_del_pta): Remove.
12004	Update all callers.
12005	* tree-ssa-alias.c: Include tree-ssa-structalias.h.
12006	(compute_may_aliases): Call compute_points_to_sets.
12007	(collect_points_to_info_for): Remove.
12008	(compute_points_to_and_addr_escape): Remove.
12009	(delete_alias_info): Call delete_points_to_sets.
12010	(compute_flow_sensitive_aliasing): If the call to
12011	find_what_p_points_to returns false, call set_pt_anything.
12012	(add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
12013	(set_pt_anything): Clear pi->pt_vars.
12014	(set_pt_malloc): Remove.
12015	(merge_pointed_to_info): Remove.
12016	(add_pointed_to_expr): Remove.
12017	(add_pointed_to_var): Remove.
12018	(collect_points_to_info_r): Remove.
12019	(is_escape_site): Make extern.
12020	(create_sft): New.
12021	(create_overlap_variables_for): Call it.
12022	* tree-ssa-copy.c (merge_alias_info): Never merge
12023	flow-sensitive alias information.
12024	* tree-ssa-operands.c (get_expr_operands): Adjust variables
12025	offset and size to be unsigned HOST_WIDE_INT.
12026	(add_to_addressable_set): Rename from note_addressable.
12027	Set TREE_ADDRESSABLE as the variables are added to the set.
12028	Update all users.
12029	(add_stmt_operand): Do not try to micro-optimize unmodifiable
12030	operands into VUSEs when adding V_MAY_DEFs for members in an
12031	alias set.
12032	* tree-ssa-operands.h (add_to_addressable_set): Declare.
12033	* tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
12034	(struct variable_info): Add bitfield is_heap_var.
12035	(var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
12036	(new_var_info): Initialize is_heap_var.
12037	(get_constraint_for): Add HEAP variables to the symbol table.
12038	Mark them with is_heap_var.
12039	(update_alias_info): New.  Taken mostly from the old
12040	compute_points_to_and_addr_escape.
12041	(handle_ptr_arith): New.
12042	(find_func_aliases): Call update_alias_info.
12043	Call handle_ptr_info for tcc_binary expressions.
12044	Call mark_stmt_modified.
12045	(create_variable_info_for): If DECL has subvars, do not create
12046	variables for its subvars.  Always add all the fields.
12047	(set_uids_in_ptset): If the solution includes ANYOFFSET and
12048	SFTs, then add all the SFTs of the structure.
12049	If VI->DECL is an aggregate with subvariables, add the SFT at
12050	VI->OFFSET.
12051	(find_what_p_points_to): If VI is an artificial variable,
12052	translate to bitfields in SSA_NAME_PTR_INFO.
12053	If the solution is empty, set pi->pt_vars to NULL
12054	(init_base_vars): Create ANYOFFSET.
12055	(compute_points_to_sets): Rename from create_alias_vars.
12056	Make extern.
12057	(pass_build_pta): Remove.
12058	(delete_points_to_sets): Rename from delete_alias_vars.
12059	(pass_del_pta): Remove.
12060	* tree-ssa-structalias.h (struct alias_info): Move from
12061	tree-ssa-alias.h.
12062	(NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
12063	NUM_REFERENCES_SET): Likewise.
12064	(compute_points_to_sets, delete_points_to_sets): Declare.
12065
120662005-07-09  Richard Henderson  <rth@redhat.com>
12067
12068	* config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
12069	alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
12070	alpha_split_lock_test_and_set_12): New functions.
12071	* config/alpha/alpha-protos.h: Update.
12072	* config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
12073	UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
12074	* config/alpha/sync.md (I12MODE): New.
12075	(memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
12076	(sync_<fetchop_name><I48MODE>): Likewise.
12077	(sync_nand<I48MODE>): Likewise.
12078	(sync_old_<fetchop_name><I48MODE>): Likewise.
12079	(sync_new_<fetchop_name><I48MODE>): Likewise.
12080	(sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
12081	(sync_compare_and_swap<I48MODE>): Likewise.
12082	(sync_lock_test_and_set<I48MODE>): Likewise.
12083	(sync_compare_and_swap<I12MODE>): New.
12084	(sync_compare_and_swap<I12MODE>_1): New.
12085	(sync_lock_test_and_set<I12MODE>): New.
12086	(sync_lock_test_and_set<I12MODE>_1): New.
12087
120882005-07-09  Diego Novillo  <dnovillo@redhat.com>
12089
12090	PR 21356
12091	PR 22332
12092	* passes.c (execute_todo): Cleanup the CFG before updating SSA.
12093
120942005-07-09  Jakub Jelinek  <jakub@redhat.com>
12095
12096	* config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
12097	in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
12098
120992005-07-09  Richard SAndiford  <richard@codesourcery.com>
12100
12101	PR target/21656
12102	* config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
12103
121042005-07-08  David Edelsohn  <edelsohn@gnu.org>
12105
12106	* config/rs6000/sync.md (load_locked_<mode>): Use Z for
12107	memory_operand constraint.
12108	(store_conditional_<mode>): Same.
12109	(sync_compare_and_swap<mode>): Same.
12110	(sync_lock_test_and_set<mode>): Same.
12111
121122005-07-08  Hans-Peter Nilsson  <hp@axis.com>
12113
12114	Rewrite PIC support to more closely model actual instructions.
12115	* config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
12116	(cris_symbol): Remove prototypes for removed functions.
12117	(cris_pic_symbol_type_of, cris_valid_pic_const)
12118	(cris_expand_pic_call_address): Prototypes for new functions.
12119	* config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
12120	variable.
12121	(cris_print_operand) <case 'v', 'P'>: Remove cases for unused
12122	modifiers.
12123	<case ':'>: Add case for new punctuation character.
12124	<case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
12125	emitting (extra) PIC modifier.
12126	<case UNSPEC>: Do not assert for PLT.
12127	(cris_initial_frame_pointer_offset, cris_simple_epilogue)
12128	(cris_expand_prologue, cris_expand_epilogue): Check
12129	for pic_offset_table_rtx usage instead of taking
12130	current_function_uses_pic_offset_table as the final word.
12131	(cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
12132	Remove flag_pic difference.
12133	(cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
12134	the moral equivalents of...
12135	(cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
12136	functions.
12137	(cris_legitimate_pic_operand): Just call cris_valid_pic_const.
12138	(cris_handle_option): Mark ARG as unused.
12139	(cris_expand_pic_call_address): New worker function for "call",
12140	"call_value".
12141	(cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
12142	output PIC constructs here.
12143	(cris_output_addr_const_extra): Changes for emitting PIC modifiers
12144	as symbol-specific modifers, not whole or part of operands.
12145	* config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
12146	(EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
12147	constants and flag_pic.
12148	(CONSTANT_INDEX_P): Adjust for new functions.
12149	(enum cris_pic_symbol_type): New helper type.
12150	(PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
12151	* config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
12152	(CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
12153	define_constants.
12154	("movsi"): Emit actual instructions for GOT and relative access.
12155	("*movsi_got_load"): New pattern to set up the register holding
12156	the GOT pointer.
12157	("*movsi_internal"): Operand 1 is not a plain general_operand.
12158	Adjust FIXME for 'S'.
12159	<output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
12160	Use "movs" for -fpic cases.
12161	("addsi3"): Add alternative for 'S'; use adds.w when possible.
12162	("uminsi3","*expanded_call_value"): Remove 'S' alternative.
12163	("call", "call_value"): Just call cris_expand_pic_call_address for
12164	PIC addresses.
12165	("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
12166	Remove special pattern.
12167	("*expanded_call_side", "*expanded_call_value_side"): New
12168	patterns.
12169	(gotplt-to-plt, gotplt-to-plt-side-call)
12170	(gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
12171	peephole2:s.
12172	* config/cris/cris/predicates.md
12173	("cris_general_operand_or_gotless_symbol"): Remove unused
12174	predicate.
12175	("cris_general_operand_or_symbol"): Adjust for new functions.
12176
121772005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12178
12179	* config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
12180
121812005-07-08  Daniel Berlin  <dberlin@dberlin.org>
12182
12183	* Makefile.in (TREE_H): Add treestruct.def.
12184	(c-decl.o): Add pointer-set.h
12185	* c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
12186	visibility on regular DECL's.
12187	(merge_decls): Fix the copying of decl nodes of various types for
12188	the new structures.  Don't update RTL, section name, weak status,
12189	etc, on DECL's without RTL.
12190	(grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
12191	Don't check volatile on non-variable types.
12192	(store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
12193	to check whether we have seen arguments.
12194	* c-objc-common.c (c_tree_printer): Reverse order of tests so that
12195	flag is checked before field (flag is common, field is not).
12196	* dwarf2out.c (decl_ultimate_origin): Only DECL's with
12197	TS_DECL_COMMON could have an origin.
12198	(add_location_or_const_value_attribute): Don't check section name
12199	on non-var/function decls.
12200	(dwarf2out_var_location): Reverse order of tests.
12201	* emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
12202	with DECL_WRTL_CHECK.
12203	* expmed.c (make_tree): rtl is now in decl_with_rtl.
12204	* fold-const.c (fold_binary): Don't check weakness on
12205	non-var/function decls.
12206	(tree_expr_nonzero_p): Ditto.
12207	(fold_checksum_tree): Use tree_decl_extra as sizeof
12208	buffer.
12209	* ggc-page.c (extra_order_size_table): Add sizes for
12210	tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12211	tree_field_decl.
12212	* gimplify.c (gimplify_bind_expr): Only set
12213	DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12214	* integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12215	without RTL.
12216	* langhooks-def.h (LANG_HOOK_INIT_TS): New.
12217	* langhooks.h (init_ts). New langhook.
12218	* passes.c (rest_of_decl_compilation): Reverse order of tests.
12219	* print-tree.c (print_node): Update to only print fields that
12220	exist in the structures the passed decl has.
12221	* toplev.c (wrapup_global_declarations): Don't reset
12222	DECL_DEFER_OUTPUT on DECL's that don't contain it.
12223	* tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12224	* tree-inline.c (remap_decl): Ditto.
12225	* tree-outof-ssa.c (create_temp): Reverse order of tests.
12226	* tree-pretty-print.c (print_declaration): Don't print
12227	DECL_REGISTER on things that don't contain it.
12228	* tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12229	non-var/function decls.
12230	* tree.c (tree_contains_struct): New structure.
12231	(init_priority_for_decl): New hashtable.
12232	(tree_int_map): New structure.
12233	(tree_int_map_eq): New function.
12234	(tree_int_map_marked_p): Ditto.
12235	(tree_int_map_hash): Ditto.
12236	(tree_map): Move to tree.h.
12237	(tree_map_eq): Externalize.
12238	(tree_map_hash): Ditto.
12239	(tree_map_marked_p): Ditto.
12240	(init_ttree): Set up tree_contains_struct and call langhook.
12241	(decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12242	(tree_code_size): Update for new structures.
12243	(tree_node_structure): Update for new structures.
12244	(make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12245	without the field.
12246	(copy_node_stat): Copy init priority.
12247	(build_decl_stat): Ditto for visibility.
12248	(ts_enum_names): New.
12249	(tree_contains_struct_check_failed): New function.
12250	(decl_init_priority_lookup): Ditto.
12251	(decl_init_priority_insert): Ditto.
12252	* treestruct.def: New file.
12253	* tree.h (CODE_CONTAINS_STRUCT): New macro.
12254	(CONTAINS_STRUCT_CHECK): Ditto.
12255	(tree_contains_struct_check_failed): New prototype.
12256	(DECL_CHECK): Removed.
12257	(DECL_MINIMAL_CHECK): New.
12258	(DECL_COMMON_CHECK): Ditto.
12259	(DECL_WRTL_CHECK): Ditto.
12260	(DECL_NON_COMMON_CHECK): Ditto.
12261	(DECL_WITH_VIS_CHECK): Ditto.
12262	(VAR_OR_FUNCTION_DECL_P): Ditto
12263	(struct tree_decl_minimal): New structure.
12264	(struct tree_decl_common): Ditto.
12265	(struct tree_decl_with_rtl): Ditto.
12266	(struct tree_decl_with_vis): Ditto.
12267	(struct tree_decl_non_common): Ditto.
12268	(struct tree_field_decl): Ditto.
12269	(struct tree_parm_decl): Ditto.
12270	(struct tree_var_decl): Ditto.
12271	(struct tree_function_decl): Ditto.
12272	(struct tree_const_decl): Ditto.
12273	(struct tree_result_decl): Ditto.
12274	(union tree_node): Add new structures.
12275	* var-tracking.c (track_expr_p): Reverse order of tests.
12276
12277	* doc/c-tree.texi: Add documentation on DECL node internal structure.
12278
122792005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12280
12281	* cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12282	* system.h: Poison FINALIZE_PIC.
12283	* doc/tm.texi (FINALIZE_PIC): Remove.
12284
122852005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12286
12287	PR tree-opt/22329
12288	* tree-ssa-propagate.c (fold_predicate_in): Convert the value
12289	to the correct type if we have a MODIFY_EXPR.
12290
122912005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12292
12293	PR tree-optimization/22360
12294	* tree.c (upper_bound_in_type): Fix calculations for casting
12295	to a non-wider signed type and casting a signed value to a
12296	wider unsigned type.
12297	(lower_bound_in_type): Fix calculations for casting to a
12298	non-wider signed type.
12299
12300	PR tree-optimization/20139
12301	* tree-cfg.c (remove_bb): Check in_ssa_p before calling
12302	release_defs.
12303	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12304	fold_cond_expr_cond.
12305	* tree-ssanames.c (release_defs): Assert in_ssa_p.
12306	* tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12307
123082005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12309
12310	PR tree-opt/22356
12311	* tree-complex.c (expand_complex_libcall): Produce
12312	REALPART_EXPR/IMAGPART_EXPR with the correct type.
12313
123142005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12315
12316	* bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12317	bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12318	b" assert and inserted fastpath code for this case.
12319	(bitmap_ior): Removed "a != b" assert.
12320
123212005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12322
12323	* config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12324	(ENDFILE_SPEC): Likewise.
12325	* config/m32r/m32r.h (ASM_SPEC): Likewise.
12326
12327	* config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12328	a large stack frame at epilogue.
12329
123302005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12331
12332	* final.c: Include sdbout.h when required.
12333
123342005-07-07  Geoffrey Keating  <geoffk@apple.com>
12335
12336	* config.gcc (*-*-darwin*): Only one target-specific header file
12337	for generic darwin.
12338	(powerpc-*-darwin*): Add version-specific header files.
12339	* configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12340	* config.in: Regenerate.
12341	* configure: Regenerate.
12342	* gcc.c: Include xregex.h.
12343	(version_compare_spec_function): New.
12344	(spec_function): Add version-compare.
12345	(replace_outfile_spec_function): Reformat comment.
12346	(compare_version_strings): New.
12347	* config/darwin-c.c (version_as_macro): New.
12348	(builtin_define): New.
12349	(darwin_cpp_builtins): New.
12350	* config/darwin-protos.h (darwin_cpp_builtins): New.
12351	* config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12352	(LIB_SPEC): Make unconditional, update comment.
12353	(TARGET_C99_FUNCTIONS): Define.
12354	* config/darwin.opt: Sort.
12355	(mmacosx-version-min=): New.
12356	* config/darwin7.h: Delete.
12357	* config/darwin8.h: Delete.
12358	* config/i386/darwin.h (): Call darwin_cpp_builtins.
12359	* config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12360	(TARGET_C99_FUNCTIONS): Define.
12361	* config/rs6000/darwin7.h: New.
12362	* config/rs6000/darwin8.h: New.
12363	* doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12364	(-mmacosx-version-min): Document.
12365
123662005-07-07  Ian Lance Taylor  <ian@airs.com>
12367
12368	* config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12369
123702005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12371
12372	PR middle-end/22239
12373	* loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12374
123752005-07-07  Khem Raj  <kraj@mvista.com>
12376
12377	* config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12378	in bytes, not words.
12379
123802005-07-07  Paul Brook  <paul@codesourcery.com>
12381
12382	* config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12383	DEFAULT_FUNCTION_ARG_PADDING to upward.
12384
123852005-07-07  Richard Henderson  <rth@redhat.com>
12386
12387	* function.c (locate_and_pad_parm): Record parameter alignment in
12388	stack_alignment_needed.
12389
123902005-07-07  David Edelsohn  <edelsohn@gnu.org>
12391
12392	* config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12393	UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12394	(UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12395	UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12396	(define_attr "type"): Add isync, sync, load_l, store_c.
12397	* config/rs6000/sync.md (memory_barrier): Change to define_expand.
12398	Create scratch volatile MEM.
12399	(sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12400	sync.
12401	(load_locked_<mode>): New.
12402	(store_conditional_<mode>): New.
12403	(sync_compare_and_swap<mode>): Replace with splitter.
12404	(sync_lock_test_and_set<mode>): Replace with splitter.
12405	(sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12406	and UNSPECV_ISYNC.
12407	(isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12408	is ics.  Attribute isync.
12409	(lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12410	lwsync.
12411	* config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12412	and UNSPECV_SYNC_OP.
12413	(emit_unlikely_jump): New.
12414	(emit_load_locked): New.
12415	(emit_store_conditional): New.
12416	(rs6000_split_compare_and_swap): New.
12417	(rs6000_split_lock_test_and_set): New.
12418	(is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12419	TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12420	* config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12421	rs6000_split_lock_test_and_set): Declare.
12422	* config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12423	mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12424	store_c, isync, sync.
12425
124262005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12427
12428	* Makefile.in (echo_quoted_to_gtyp): New template for outputing
12429	filenames to gtyp-gen.h.
12430	(s-typ-gen): Use it in place of for loops.
12431
124322005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12433
12434	* hooks.c (hook_bool_rtx_int_false): New function.
12435	* hooks.h (hook_bool_rtx_int_false): Declare.
12436	* target-def.h (TARGET_COMMUTATIVE_P): Define.
12437	(TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12438	* target.h (struct gcc_target): Add commutative_p member.
12439	* targhooks.c (hook_bool_rtx_commutative_p): New function.
12440	* targhooks.h (hook_bool_rtx_commutative_p): Declare.
12441	* pa.c (TARGET_COMMUTATIVE_P): Redefine.
12442	(pa_commutative_p): New function.
12443	* jump.c (target.h): Include.
12444	(rtx_renumbered_equal_p): Use targetm.commutative_p.
12445	* doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12446
124472005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12448
12449	* config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12450	(s390_expand_setmem): New.
12451	* config/s390/s390.c: Likewise.
12452	(print_shift_count_operand): Truncate to 12 bits instead of 6.
12453	Adapt comments.
12454	* config/s390/s390.md: ("setmem<mode>"): Accept character as
12455	general_operand.  Call new function "s390_expand_setmem".
12456	("clrmem_long", "*clrmem_long"): Rewrite to ...
12457	("setmem_long", "*setmem_long"): ... this.
12458
124592005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12460
12461	* config/s390/s390.c: (optimization_options): Enable
12462	TARGET_MVCLE at -Os.
12463	* doc/invoke.texi: Document changes in default behaviour.
12464	* config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12465
124662005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12467
12468	* expr.c: (set_storage_via_setmem): Convert opchar to mode
12469	defined by back-end.
12470
124712005-07-07  Jakub Jelinek  <jakub@redhat.com>
12472
12473	* config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12474	all sets in the pattern.
12475	* config/rs6000/rs6000.md (stack_protect_testsi,
12476	stack_protect_testdi): Likewise.
12477
124782005-07-06  Jeff Law  <law@redhat.com>
12479
12480	* tree-vrp.c (simplify_using_ranges): Kill.
12481	(vrp_finalize): Remove call to simplify_using_ranges.
12482	(simplify_stmt_using_ranges): New function extracted from
12483	simplify_using_ranges.
12484	(simplify_div_or_mod_using_ranges): Likewise.
12485	(simplify_abs_using_ranges): Likewise.
12486	(simplify_cond_using_ranges): New function.
12487	* tree-flow.h (simplify_stmt_using_ranges): Prototype.
12488	* tree-ssa-propagate.c (substitute_and_fold): Call
12489	simplify_stmt_using_ranges if we have range information.
12490
124912005-07-06  James E. Wilson  <wilson@specifixinc.com>
12492
12493	* config/ia64/ia64.c (ia64_reorg): Check optimize before
12494	ia64_flag_schedule_isns2.
12495
12496	* config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12497	reading/writing general registers.
12498	(ia64_function_arg): Revert 2005-06-18 change.
12499
125002005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12501
12502	* pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12503	(legitimize_tls_address): Use gcc_unreachable instead of abort.
12504
125052005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12506
12507	* function.c (expand_function_end): Revert part of 2005-06-27
12508	patch.  Do sjlj_emit_function_exit_after after return_label.
12509
125102005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12511
12512	* doc/install.texi (--disable-libssp): New.
12513
125142005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12515
12516	* doc/invoke.texi: Update -fforce-mem documentation.
12517	* dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12518	code for -fforce-mem.
12519	* expmed.c: (store_bit_field,store_fixed_bit_field,
12520	extract_bit_field): Ditto.
12521	* expr.c: (convert_move): Ditto.
12522	* optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12523	expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12524	emit_conditional_add,expand_float,expand_fix): Ditto.
12525	* opts.c: (decode_options): Remove setting of flag_force_mem flag.
12526	(common_handle_option): Issue warning when -fforce-mem specified.
12527
125282005-07-06  Paul Brook  <paul@codesourcery.com>
12529
12530	* aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12531	argument is empty.
12532	* configure: Regenerate.
12533
125342005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12535
12536	* sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12537
125382005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12539
12540	Fix PR tree-optimization/22319
12541	Fix PR tree-optimization/22140
12542	Fix PR tree-optimization/22310
12543
12544	* tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12545	variable sized types.
12546	Use correct type for intermediate structure on *a = *b structure
12547	copies.
12548
125492005-07-06  Jakub Jelinek  <jakub@redhat.com>
12550
12551	* config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12552	Remove.
12553	(STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12554	(machine_function): Move typedef to...
12555	* config/rs6000/rs6000.c (machine_function): ... here.  Add
12556	varargs_save_offset field.
12557	(rs6000_stack_t): Remove varargs_size field.
12558	(setup_incoming_varargs): Allocate varargs save area using
12559	assign_stack_local, try to make it as small as possible.
12560	Save offset from virtual_stack_vars_rtx to the save area
12561	in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12562	instead of magic 8 when fp word byte size is used.
12563	(rs6000_va_start): Use cfun->machine->varargs_save_offset
12564	instead of -RS6000_VARARGS_SIZE.
12565	(rs6000_stack_info, debug_stack_info,
12566	rs6000_initial_elimination_offset): Remove all traces of
12567	varargs_size.
12568	* config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12569	* config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12570	RS6000_VARARGS_AREA.
12571
125722005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12573
12574	PR tree-optimization/21963
12575	* tree-ssa-loop-ivopts.c (get_computation_aff): Use
12576	constant_multiple_of in the same way get_computation_cost_at does.
12577
125782005-07-06  Jakub Jelinek  <jakub@redhat.com>
12579
12580	* config/sparc/sparc.h (sparc_compare_emitted): New extern.
12581	* config/sparc/sparc.c (sparc_compare_emitted): New variable.
12582	(gen_compare_reg): If sparc_compare_emitted is set, clear it
12583	and return its previous value.
12584	(emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12585	* config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12586	constants.
12587	(stack_protect_set, stack_protect_test): New expanders.
12588	(stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12589	stack_protect_testdi): New insns.
12590	* config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12591	* config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12592
125932005-07-06  Jeff Law  <law@redhat.com>
12594
12595	* tree-ssa-dce.c (cfg_altered): New global.
12596	(tree_dce_init): Initialize cfg_altered.
12597	(remove_dead_stmt): If we remove an edge in the CFG, then set
12598	CFG_ALTERED.
12599	(perform_tree_ssa_dce): If we altered the CFG, then invalidate
12600	the dominators.
12601
126022005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12603
12604	* Makefile.in (stamp-collect-ld): Use
12605	$(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12606	./collect-ld if it already exists.
12607	(stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12608	Don't remove ./nm if it already exists.
12609
126102005-07-05  Devang Patel  <dpatel@apple.com>
12611
12612	* tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12613	(LOOP_VINFO_LOC, LOOP_LOC): Remove.
12614	* tree-vectorizer.c (vect_loop_location): New.
12615	(vect_print_dump_info): Use vect_loop_location.
12616	(new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12617	(vectorize_loops): Set vect_loop_location.
12618	* tree-vect-analyze.c (vect_analyze_offset_expr,
12619	vect_determin_vectorization_factor, vect_analyze_operations,
12620	vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12621	vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12622	vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12623	vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12624	vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12625	vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12626	vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12627	vect_analyze_loop): Adjust vect_print_dump_info API.
12628	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12629	vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12630	vect_finish_stmt_generation, vectorizable_assignment,
12631	vectorizable_operation, vectorizable_store, vectorizable_load,
12632	vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12633	vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12634	vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12635	vect_transform_loop): Same.
12636	* tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12637	vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12638	Same.
12639
126402005-07-05  Randolph Chung  <tausq@debian.org>
12641
12642	* configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12643	* configure: Regenerate.
12644	* config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12645	(pa_tls_referenced_p): Declare.
12646	* config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12647	(gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12648	(legitimize_tls_address): New.
12649	(hppa_legitimize_address): Handle TLS addresses.
12650	(pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12651	(TARGET_CANNOT_FORCE_CONST_MEM): Define.
12652	(emit_move_sequence): Handle TLS addresses.
12653	(pa_encode_section_info): Call default handler to handle common
12654	sections.
12655	* config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12656	(CONSTANT_ADDRESS_P): Reject TLS operands.
12657	(TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12658	* config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12659	(UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12660	(UNSPEC_TLSLE): Define new constants.
12661	(tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12662	* config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12663	(tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12664	(tie_symbolic_operand, tle_symbolic_operand): New
12665
126662005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12667
12668	* aclocal.m4: Update macros for autoconf 2.59 style.
12669	* configure.ac: Likewise.
12670
126712005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12672
12673	* pa.c (function_value): Handle small aggregates on 32-bit targets.
12674	(function_arg): Pass small aggregates in general registers on 32-bit
12675	targets.
12676	* som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12677
126782005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12679
12680	* Makefile.in (final.o): Fix dependencies.
12681
126822005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12683
12684	PR c/22013
12685	PR c/22098
12686	* langhooks.h (struct lang_hooks): Add expr_to_decl.
12687	* langhooks.c (lhd_expr_to_decl): New.
12688	* langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12689	New.
12690	(LANG_HOOKS_INITIALIZER): Update.
12691	* tree.c (recompute_tree_invarant_for_addr_expr): Call
12692	expr_to_decl langhook.
12693	* c-tree.h (c_expr_to_decl): Declare.
12694	* c-typeck.c (c_expr_to_decl): New.
12695	(build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12696	specially.
12697	* c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12698
126992005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12700
12701	PR c/22308
12702	* c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12703	C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12704
127052005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12706
12707	* Makefile.in: Adjust dependencies.
12708	* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12709	* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12710	* alias.c (rest_of_handle_cfg, pass_cfg): New.
12711	* bb-reorder.c (duplicate_computed_gotos): Make it static.
12712	* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12713	rest_of_compilation.
12714
12715	* bb-reorder.c (gate_duplicate_computed_gotos,
12716	pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12717	rest_of_handle_reorder_blocks, pass_reorder_blocks,
12718	gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12719	pass_partition_blocks): New.
12720	* bt-load.c (gate_handle_branch_target_load_optimize,
12721	rest_of_handle_branch_target_load_optimize,
12722	pass_branch_target_load_optimize): New.
12723	* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12724	pass_jump2): New.
12725	* cfglayout.c (pass_insn_locators_initialize): New.
12726	* cfgrtl.c (pass_free_cfg): New.
12727	* combine.c (gate_handle_combine, rest_of_handle_combine,
12728	pass_combine): New.
12729	* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12730	gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12731	* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12732	* except.c (pass_set_nothrow_function_flags,
12733	pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12734	pass_rtl_eh): New.
12735	* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12736	rest_of_handle_shorten_branches, pass_shorten_branches,
12737	rest_of_clean_state, pass_clean_state): New.
12738	* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12739	rest_of_handle_remove_death_notes, pass_remove_death_notes,
12740	rest_of_handle_life, pass_life, rest_of_handle_flow2,
12741	pass_flow2): New.
12742	* function.c (pass_instantiate_virtual_regs, pass_init_function,
12743	rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12744	* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12745	pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12746	pass_gcse): New.
12747	* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12748	* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12749	pass_rtl_ifcvt, gate_handle_if_after_combine,
12750	rest_of_handle_if_after_combine, pass_if_after_combine,
12751	gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12752	pass_if_after_reload): New.
12753	* integrate.c (pass_initial_value_sets): New.
12754	* jump.c (pass_cleanup_barriers, purge_line_number_notes,
12755	pass_purge_lineno_notes): New.
12756	* mode-switching.c (rest_of_handle_mode_switching,
12757	pass_mode_switching): New.
12758	* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12759	* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12760	pass_loop2): New.
12761	* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12762	pass_loop_optimize): New.
12763	* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12764	pass_sms): New.
12765	* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12766	pass_gcse2): New.
12767	* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12768	pass_postreload_cse): New.
12769	* profile.c (gate_handle_profiling, pass_profiling,
12770	rest_of_handle_branch_prob, pass_branch_prob): New.
12771	* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12772	pass_split_before_regstack, gate_handle_split_before_regstack,
12773	gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12774	rest_of_handle_split_all_insns, pass_split_all_insns): New.
12775	* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12776	pass_stack_regs): New.
12777	* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12778	gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12779	pass_stack_adjustments): New.
12780	* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12781	pass_regrename): New.
12782	* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12783	pass_delay_slots, gate_handle_machine_reorg,
12784	rest_of_handle_machine_reorg, pass_machine_reorg): New.
12785	* rtl.h (extern void purge_line_number_notes): New.
12786	* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12787	gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12788	pass_sched2): New.
12789	* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12790	pass_tracer): New.
12791	* value-prof.c (gate_handle_value_profile_transformations,
12792	rest_of_handle_value_profile_transformations,
12793	pass_value_profile_transformations): New.
12794	* var-tracking.c (gate_handle_var_tracking,
12795	pass_variable_tracking): New.
12796	* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12797
12798	* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12799	rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12800	rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12801	rest_of_handle_old_regalloc, rest_of_handle_regrename,
12802	rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12803	rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12804	rest_of_handle_gcse2, rest_of_handle_regmove,
12805	rest_of_handle_tracer, rest_of_handle_if_conversion,
12806	rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12807	rest_of_handle_web, rest_of_handle_branch_prob,
12808	rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12809	rest_of_handle_jump_bypass, rest_of_handle_combine,
12810	rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12811	rest_of_handle_gcse, rest_of_handle_loop_optimize,
12812	rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12813	rest_of_handle_mode_switching, rest_of_handle_jump,
12814	rest_of_handle_eh, rest_of_handle_stack_adjustments,
12815	rest_of_handle_flow2, rest_of_handle_jump2,
12816	rest_of_handle_peephole2, rest_of_handle_postreload,
12817	rest_of_handle_shorten_branches, rest_of_clean_state,
12818	rest_of_compilation): Remove.
12819
12820	* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12821	* passes.c (dump_flags, in_gimple_form, all_passes,
12822	all_ipa_passes, all_lowering_passes, register_one_dump_file,
12823	register_dump_files, next_pass_1, last_verified, execute_todo,
12824	execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12825	from tree-optimize.c.
12826	(init_optimization_passes): Moved from tree-optimize.c,
12827	adding the RTL optimizations.
12828	* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12829	* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12830	all_ipa_passes, all_lowering_passes, register_one_dump_file,
12831	register_dump_files, next_pass_1, last_verified, execute_todo,
12832	execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12833	init_tree_optimization_passes, ipa_passes): Delete.
12834	* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12835	the RTL dumps.
12836	(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12837	dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12838	from tree.h.
12839	(ipa_passes): Remove.
12840	(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12841	* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12842	dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12843	dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12844	(dump_info_p, dump_flag): Moved to tree-dump.h.
12845
12846	* Makefile.in: Adjust dependencies for tree-pretty-print.c,
12847	cgraph.c, opts.c.
12848	* passes.c (finish_optimization_passes): Use dump_begin
12849	and dump_end, TDI_end.
12850	(gate_rest_of_compilation): New.
12851	(pass_rest_of_compilation): Use it.
12852	(gate_postreload, pass_postreload): New.
12853	* toplev.c (general_init): Rename init_tree_optimization_passes.
12854	* toplev.h (init_tree_optimization_passes): Rename to
12855	init_optimizations_passes.
12856	* tree-dump.c (dump_flag): Make static.
12857	(dump_files): Remove RTL dumps.
12858	* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12859	pass_cleanup_cfg, pass_free_cfg_annotations,
12860	pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12861	pass_init_datastructures, pass_fixup_cfg): Make non-static.
12862	* tree-pretty-print.c: Include tree-pass.h.
12863	* cgraph.c: Include tree-dump.h.
12864
128652005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12866
12867	* tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12868	Only fall back to saying it points to readonly memory if
12869	we can't do better.
12870
128712005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12872
12873	* config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12874	* config/m32r/m32r.c (m32r_compute_frame_size,
12875	m32r_expand_prologue): Take current_function_profile into
12876	account whenever we reference
12877	current_function_uses_pic_offset_table.
12878	(m32r_finalize_pic): Remove.
12879	* config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12880
128812005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12882
12883	* Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12884	instead of $<.  Don't remove ./as if it already exists.
12885
128862005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12887
12888	PR target/21723
12889	* pa.md: Remove fcpy alternative from movhi and movqi patterns.
12890	* pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12891	for complex modes when generating code for PA 1.0.
12892	(VALID_FP_MODE_P): New macro.
12893	(HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12894	sets for all general and floating point modes.  Align wide floating
12895	point modes to even register boundaries to comply with architectural
12896	requirements.
12897	(CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12898	* pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12899	(VALID_FP_MODE_P): New macro.
12900	(HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12901	sets for all general and floating point modes.  Align wide floating
12902	point modes to even register boundaries to comply with architectural
12903	requirements.
12904
129052005-07-04  Diego Novillo  <dnovillo@redhat.com>
12906
12907	* tree-dump.c (dump_files): Initialize dump number for .cgraph
12908	to 0.
12909
129102005-07-04  Diego Novillo  <dnovillo@redhat.com>
12911
12912	* tree-ssa-structalias.c: Don't include expr.h.
12913
129142005-07-04  Diego Novillo  <dnovillo@redhat.com>
12915
12916	* tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12917	comments.
12918
129192005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12920
12921	Fix PR tree-optimization/22279
12922
12923	* tree-ssa-structalias.c (offset_overlaps_with_access): Use
12924	correct operator.
12925
129262005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12927
12928	* sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12929
129302005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12931
12932	* bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12933	cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12934	config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12935	config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12936	config/stormy16/stormy16.c, config/v850/v850.c,
12937	config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12938	except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12939	Avoid "." or "\n" at end of diagnostics and capital letters at
12940	start of diagnostics.
12941	* combine.c, cse.c: Don't translate dump file output.
12942	* toplev.c (print_version): Only translate output if going to
12943	stderr.
12944
129452005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12946
12947	* c-decl.c, tree-object-size.c, tree-vectorizer.c,
12948	config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12949	typos.
12950
129512005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12952
12953	* pa.c (fix_range): Fix typo in comment.
12954
129552005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12956
12957	* tree-vrp.c (extract_range_from_assert): Replace
12958	fold (build (...)) with fold_build2.
12959
129602005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12961
12962	* c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12963	gcc_gfc_char_table, init_dynamic_gfc_info): New.
12964	(format_types_orig, handle_format_attribute): Add support for
12965	format "gcc_gfc".
12966
129672005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12968
12969	* varasm.c (assemble_variable): Fix format specifier thinko.
12970
129712005-07-03  Ira Rosen  <irar@il.ibm.com>
12972
12973	PR tree-optimization/22029 (and 22135)
12974	* tree-pretty-print.c (dump_generic_node): Check that the node is not
12975	a phi node before calling dump_vops.
12976
129772005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12978
12979	* tree-dump.h (dump_string_field): Declare.
12980	* tree-dump.c: Use it instead of dump_string.
12981	(dump_string_field): Make non-static.
12982
129832005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12984
12985	* config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12986	up the minimal CFG stuff always when optimize > 0.  Call
12987	split_all_insns_noflow in PIC case if needed.
12988
129892005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12990	    Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12991
12992	PR c++/18279
12993	* c-decl.c (c_write_global_declarations): Dump contents of
12994	external scope to.
12995	* tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12996	<TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12997	<GOTO_EXPR>, <SWITCH_EXPR>: Add.
12998	(dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12999	is enabled.
13000
130012005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
13002
13003	* c-common.h (GCC_DIAG_STYLE): Define.
13004	* c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
13005	version for format checking to 4.1.
13006	* c-format.c: Include toplev.h after c-common.h.
13007	(enum format_type): Add gcc_tdiag_format_type.
13008	(gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
13009	gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
13010	(format_types_orig): Add gcc_tdiag.
13011	(init_dynamic_diag_info): Support gcc_tdiag formats.
13012	(handle_format_attribute): Likewise.
13013	* toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
13014	(GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
13015	version for format checking to 4.1.
13016	(warning0, warning, error, pedwarn, sorry): Use
13017	ATTRIBUTE_GCC_DIAG.
13018	* config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
13019	(finish_aliases_1): Do not use %qE.
13020	* config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
13021	config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
13022	Correct format bugs.
13023	* config/v850/v850-protos.h (v850_output_aligned_bss): Change size
13024	parameter to unsigned HOST_WIDE_INT.
13025	* config/v850/v850.c (v850_output_aligned_bss): Likewise.
13026
130272005-07-02  David Edelsohn  <edelsohn@gnu.org>
13028
13029	PR middle-end/21742
13030	* expr.c (write_complex_part): Use adjust_address for MEM.
13031	(read_complex_part): Same.
13032
130332005-07-02  Daniel Berlin  <dberlin@dberlin.org>
13034
13035	Fix PR tree-optimization/22280
13036
13037	* tree-sra.c (generate_element_init): Remove useless loop.
13038
130392005-07-02  Richard Henderson  <rth@redhat.com>
13040
13041	* config/alpha/alpha.c (alpha_legitimize_address): Check for
13042	TLS_MODEL_NONE.
13043	(alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
13044
130452005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
13046
13047	PR middle-end/14490
13048	* fold-const.c (fold_binary): Handle the return value of
13049	fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
13050	Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
13051
130522005-07-02  Jeff Law  <law@redhat.com>
13053
13054	* tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
13055	a eliminate type conversion which feeds an equality comparison
13056	if the original type or either operand in the comparison is a
13057	function pointer.
13058
130592005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
13060
13061	* c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
13062	config/rs6000/rs6000.opt, params.def: Remove "." from end of help
13063	texts.
13064	* config/avr/avr.c: Do not use '`' as left quote.
13065	* config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
13066	Remove "." from end of diagnostics.  Make diagnostics start with
13067	lowercase letter.
13068
130692005-07-02  Zack Weinberg  <zack@codesourcery.com>
13070	    Joseph S. Myers  <joseph@codesourcery.com>
13071
13072	* toplev.c (default_tree_printer): Handle setting location with
13073	'+' flag.
13074	* c-objc.common.c (c_tree_printer): Likewise.
13075	* c-format.c (gcc_diag_flag_specs): Add '+'.
13076	(gcc_cdiag_char_table): Allow '+' flag for tree formats.
13077	(format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
13078	formats.
13079	* c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
13080	config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
13081	config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
13082	config/v850/v850.c, function.c, stor-layout.c, toplev.c,
13083	tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
13084	instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
13085	of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
13086	format arguments where %J is used without %D.
13087
130882005-07-02  Jakub Jelinek  <jakub@redhat.com>
13089
13090	* gcc.c (LINK_SSP_SPEC): Define.
13091	(link_ssp_spec): New variable.
13092	(LINK_COMMAND_SPEC): Add %(link_ssp).
13093	(static_specs): Add link_ssp_spec.
13094	* configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
13095	* configure: Rebuilt.
13096	* config.in: Rebuilt.
13097
13098	* config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
13099	* config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13100	* config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13101	* config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13102	* config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
13103	If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
13104	-0x7008(2) instead of reading __stack_chk_guard variable.
13105	* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
13106	number.
13107	(UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
13108	(stack_protect_set, stack_protect_test): Use *_tls* patterns
13109	if TARGET_THREAD_SSP_OFFSET is defined.
13110	(stack_tls_protect_set_si, stack_tls_protect_set_di,
13111	stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
13112
13113	Revert:
13114	2005-06-27  Richard Henderson  <rth@redhat.com>
13115	* libgcc-std.ver (GCC_4.1.0): New.
13116	* libgcc.h (__stack_chk_guard): Declare.
13117	(__stack_chk_fail, __stack_chk_fail_local): Declare.
13118	* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
13119	* mklibgcc.in (lib2funcs): Add them.
13120
131212005-07-01  Richard Henderson  <rth@redhat.com>
13122
13123	* config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
13124	void * before struct sigcontext *.
13125	(x86_fallback_frame_state): Likewise.
13126
131272005-07-01  James E. Wilson  <wilson@specifixinc.com>
13128
13129	* doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
13130
131312005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13132
13133	PR tree-opt/22269
13134	* tree-ssa-reassoc.c (should_transpose): Fix which operand
13135	we check for SSA_NAME for.
13136
131372005-07-01  Daniel Berlin  <dberlin@dberlin.org>
13138
13139	Fix PR tree-optimization/22071
13140
13141	* tree-ssa-structalias.c (offset_overlaps_with_access): New
13142	function.
13143	(get_constraint_for_component_ref): Use it.
13144
131452005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13146
13147	PR other/22264
13148	* diagnostic.c (diagnostic_report_current_module): Use pp_newline to
13149	print out the last new line.
13150
131512005-07-01  Hans-Peter Nilsson  <hp@axis.se>
13152
13153	* config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
13154	Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
13155	* config/cris/cris.c (cris_conditional_register_usage): Adjust
13156	reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
13157	(cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
13158	(cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
13159	* config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
13160	(enum reg_class): New member CC0_REGS.
13161	(REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
13162	(FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
13163	(HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
13164	(CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
13165	(PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13166	Adjust for register now described.
13167
131682005-07-01  Jakub Jelinek  <jakub@redhat.com>
13169
13170	PR target/22262
13171	* config/i386/i386.md (stack_protect_test_si,
13172	stack_protect_test_di): Add earlyclobber for scratch 3.
13173	* config/rs6000/rs6000.md (stack_protect_testsi,
13174	stack_protect_testdi): Add earlyclobber for scratch 3,
13175	remove earlyclobber from scratch 4.
13176
13177Older entries for 2005 can be found in ChangeLog-2005.
131782005-06-30  Diego Novillo  <dnovillo@redhat.com>
13179
13180	PR 21584
13181	PR 22219
13182	* tree-ssa-alias.c (create_name_tags): Also process
13183	non-dereferenced pointers.
13184	Remove argument 'ai'.  Update all callers.
13185
131862005-06-30  Andrew Pinski  <pinskia@physics.uc.edu>
13187
13188	* config/rs6000/darwin.h (STARTING_FRAME_OFFSET):
13189	Set to 0 for FRAME_GROWS_DOWNWARD.
13190	(REGISTER_NAMES): Add sfp.
13191
131922005-07-01  Kelley Cook  <kcook@gcc.gnu.org>
13193
13194	* config/arm/libunwind.S, config/arm/pr-support.c,
13195	config/arm/unwind-arm.c, config/arm/unwind-arm.h,
13196	config/c4x/predicates.md, tree-object-size.c: Update FSF address.
13197
131982005-06-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
13199
13200	PR target/22260
13201	* config/sparc/sparc.c (emit_and_preserve): Add 2nd register.
13202	Preserve the 2nd register too, if present.
13203	(sparc_output_mi_thunk) <PIC case>: Preserve the PIC register too.
13204	Adjust call to emit_and_preserve.
13205
132062005-06-30  Zack Weinberg  <zack@codesourcery.com>
13207	    Jakub Jelinek  <jakub@redhat.com>
13208
13209	* pretty-print.h (PP_NL_ARGMAX): New.
13210	(text_info): Add locus.
13211	(struct chunk_info): New.
13212	(output_buffer): Add formatted_obstack, chunk_obstack, and
13213	cur_chunk_array. Change obstack to a pointer.
13214	(pp_wrapping_mode_t, pp_wrapping_mode, pp_set_verbatim_wrapping): New.
13215	(struct pretty_print_info): Replace ideal_maximum_length and
13216	prefixing_rule with wrapping.
13217	(pp_line_cutoff, pp_prefixing_rule): Update to match.
13218	Update prototypes and wrapper macros throughout.
13219	* pretty-print.c (pp_formatted_text_data, pp_append_r)
13220	(pp_base_clear_output_area, pp_construct, pp_base_formatted_text)
13221	(pp_base_last_position_in_text, pp_base_newline, pp_base_character):
13222	Update for changes to pp structure.
13223	(pp_base_prepare_to_format, pp_base_format_text): Delete.
13224	(pp_base_format, pp_base_output_formatted_text): New functions.
13225	(pp_base_format_verbatim): Use pp_set_verbatim_wrapping.
13226	(pp_verbatim): Clear text.locus.
13227	(pp_printf): Likewise.  Use pp_format and pp_output_formatted_text.
13228	* c-objc-common.c (c_tree_printer): Update function signature.
13229	* diagnostic.c (diagnostic_initialize): Update for changes to
13230	pp structure.
13231	(diagnostic_report_diagnostic): Call pp_format and then
13232	pp_output_formatted_text.
13233	(verbatim): Clear text.locus.
13234	* diagnostic.h (diagnostic_prefixing_rule, diagnostic_line_cutoff):
13235	Update for changes to pp structure.
13236
13237	* c-lang.c: No need to include c-pretty-print.h.
13238	* Makefile.in: Remove bogus line containing only a tab.
13239	(c-lang.o): Update dependencies.
13240	* toplev.c (announce_function): Don't use verbatim.
13241	(default_tree_printer): Update signature.
13242
13243	* objc/objc-lang.c: No need to include c-pretty-print.h.
13244	* objc/Make-lang.in: Update dependencies.
13245
132462005-06-29  Daniel Berlin  <dberlin@dberlin.org>
13247
13248	* tree-complex.c (complex_variable_components): Now a hashtable.
13249	(cvc_lookup): Ditto.
13250	(cvc_insert): Ditto.
13251	(create_components): Use referenced var iterator.
13252	Initialize hashtable.	Use cvc_insert/lookup.
13253	(extract_components): Use cvc_insert/lookup.
13254	(update_complex_components): Ditto.
13255	(update_complex_components_on_edge): Ditto.
13256	* tree-dfa.c (referenced_vars): Now a hashtable.
13257	(dump_referenced_vars): Use iterator.
13258	(referenced_var_lookup): New function.
13259	(referenced_var_insert): Ditto.
13260	(add_referenced_var): Use referenced_var_insert.
13261	(mark_new_vars_to_rename): Use DECL_UID.
13262	* tree-flow-inline.h (first_htab_element): New function.
13263	(end_htab_p): Ditto.
13264	(next_htab_element): Ditto.
13265	(first_referenced_var): Ditto.
13266	(end_referenced_vars_p): Ditto.
13267	(next_referenced_var): Ditto.
13268	(is_call_clobbered): Use DECL_UID.
13269	(mark_call_clobbered): Ditto.
13270	(clear_call_clobbered): Ditto.
13271	(mark_non_addressable): Ditto.
13272	* tree-flow.h (htab_iterator): New struct.
13273	(FOR_EACH_HTAB_ELEMENT): New macro.
13274	(struct int_tree_map): New struct.
13275	(int_tree_map_hash): Prototype.
13276	(int_tree_map_eq): Ditto.
13277	(referenced_var_iterator): Ditto.
13278	(FOR_EACH_REFERENCED_VAR): New macro.
13279	(referenced_vars): Now a hashtable.
13280	* tree-into-ssa.c (symbol_marked_for_renaming): Use DECL_UID.
13281	(add_new_name_mapping): Ditto.
13282	(mark_def_sites): Ditto.
13283	(insert_phi_nodes): Use referenced_var iterator.
13284	(mark_def_site_blocks): Ditto.
13285	(mark_sym_for_renaming): Use DECL_UID.
13286	* tree-sra.c (is_sra_candidate_decl): Use DECL_UID.
13287	(lookup_element): Ditto.
13288	(find_candidates_for_sra): Use referenced_vars iterator.
13289	Use DECL_UID.
13290	* tree-ssa-alias.c (NUM_REFERENCES): New macro.
13291	(NUM_REFERENCES_CLEAR): Ditto.
13292	(NUM_REFERENCES_INC): Ditto.
13293	(NUM_REFERENCES_SET): Ditto.
13294	(alias_obstack): New bitmap obstack.
13295	(struct alias_map_d): Use bitmap, not sbitmap.
13296	(struct alias_info): Remove num_references.
13297	(init_alias_info): Use referenced_var iterator.
13298	Initialize bitmap obstack.
13299	(delete_alias_info): Use referenced_var iterator.
13300	Free bitmap obstack.
13301	(compute_points_to_and_addr_escape): Use DECL_UID.
13302	Use new NUM_REFERENCES macros.
13303	(compute_flow_sensitive_aliasing): may_aliases is now a bitmap.
13304	Use new NUM_REFERENCES macros.
13305	(group_aliases_into): Update prototype to use bitmap.
13306	(setup_pointers_and_addressables): Use referenced_vars iterator.
13307	Use DECL_UID. Use new NUM_REFERENCES macros.
13308	(add_pointed_to_var): Use DECL_UID.
13309	(dump_alias_info): Use referenced_var iterator.
13310	(add_type_alias): Ditto.
13311	(used_portions): Now a hashtable.
13312	(used_part_map_eq): New function.
13313	(used_part_map_hash): Ditto.
13314	(free_used_part_map): Ditto.
13315	(up_lookup): Ditto.
13316	(up_insert): Ditto.
13317	(get_or_create_used_part_for): Use up_lookup.
13318	(create_overlap_variables_for): Ditto.
13319	(find_used_portions): Use up_insert.
13320	Use DECL_UID.
13321	(create_structure_vars): Init used_portions hashtable, use
13322	referenced_vars iterator.
13323	* tree-ssa-live.c (create_ssa_var_map): sbitmaps became bitmaps.
13324	Use DECL_UID.
13325	* tree-ssa-loop-im.c (gather_mem_refs_stmt): Use DECL_UID.
13326	* tree-ssa-operands.c (get_asm_expr_operands): Ditto.
13327	(note_addressable): Ditto.
13328	* tree-ssa-structalias.c (set_uids_in_ptset): Ditto.
13329	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
13330	referenced_var iterator.
13331	Use DECL_UID.
13332	(delete_tree_ssa): Ditto.
13333	(int_tree_map_eq): New function.
13334	(int_tree_map_hash): Ditto.
13335	* tree-stdarg.c (find_va_list_reference): Use DECL_UID.
13336	(va_list_ptr_read): Ditto.
13337	(va_list_counter_struct_op): Ditto.
13338	(va_list_ptr_write): Ditto.
13339	(check_va_list_escapes): Ditto.
13340	(check_all_va_list_escapes): Ditto.
13341	(execute_optimize_stdarg): Ditto.
13342	* tree-tailcall.c (suitable_for_tail_opt_p): Used referenced_var
13343	iterator.
13344
133452005-06-30  Andrew Pinski  <pinskia@physics.uc.edu>
13346
13347	* config/rs6000/darwin.h (FRAME_POINTER_REGNUM): Rename to ...
13348	(HARD_FRAME_POINTER_REGNUM): this.
13349
133502005-06-30  Jan Hubicka  <jh@suse.cz>
13351
13352	* ipa-inline.c (cgraph_clone_inlined_nodes): Revert previous patch.
13353
133542005-06-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
13355
13356	PR middle-end/22247
13357	* tree-ssa-structalias.c (build_constraint_graph, scc_visit,
13358	process_unification_queue, init_topo_info, topo_visit,
13359	init_scc_info, free_scc_info, perform_var_substitution,
13360	solve_graph): Use unsigned instead of uint.
13361
133622005-06-30  Jakub Jelinek  <jakub@redhat.com>
13363
13364	* function.c (gen_stack_protect_test): Add third argument.
13365
133662005-06-30  J. D. Johnston  <jjohnst@us.ibm.com>
13367
13368	* gthr-tpf.h (CE2THRCPTR): Change field offset to 16.
13369
133702005-06-30  Kazu Hirata  <kazu@codesourcery.com>
13371
13372	* config/c4x/c4x-protos.h: Remove the prototypes for those
13373	functions removed from c4x.c.  Add prototypes for those
13374	functions exported in c4x.c.
13375	* config/c4x/c4x.c (any_operand, fp_zero_operand,
13376	const_operand, stik_const_operand, not_const_operand,
13377	reg_operand, r0r1_reg_operand, r2r3_reg_operand,
13378	ext_low_reg_operand, ext_reg_operand, std_reg_operand,
13379	std_or_reg_operand, addr_reg_operand, index_reg_operand,
13380	dp_reg_operand, sp_reg_operand, st_reg_operand,
13381	rc_reg_operand, call_address_operand,
13382	symbolic_address_operand, dst_operand, src_operand,
13383	src_hi_operand, lsrc_operand, tsrc_operand,
13384	nonimmediate_src_operand, nonimmediate_lsrc_operand,
13385	reg_or_const_operand, par_ind_operand, parallel_operand):
13386	Remove.
13387	(c4x_immed_float_p, c4x_a_register, c4x_x_register,
13388	c4x_K_constant, c4x_N_constant, c4x_O_constant,
13389	c4x_S_indirect): Export.
13390	* config/c4x/c4x.h (PREDICATE_CODES): Remove.
13391	* config/c4x/c4x.md: Include predicates.md.
13392	* config/c4x/predicates.md: New.
13393
133942005-06-30  Jakub Jelinek  <jakub@redhat.com>
13395
13396	* function.c (stack_protect_epilogue): Pass label to
13397	stack_protect_test, assume it emitted also the conditional
13398	branch.
13399	* doc/md.texi (stack_protect_test): Adjust documentation.
13400	* config/i386/i386.md (stack_protect_test): Add third argument,
13401	emit beq with operands[2].
13402	* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Define to
13403	flag_stack_protect != 0.
13404	* config/rs6000/rs6000.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
13405	constants.
13406	(stack_protect_set, stack_protect_test): New expanders.
13407	(stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
13408	stack_protect_testdi): New insns.
13409	* config/rs6000/rs6000.c (rs6000_stack_protect_fail): New function.
13410	(TARGET_STACK_PROTECT_FAIL): Define.
13411	(rs6000_generate_compare): Handle UNSPEC_SP_TEST.
13412
13413	* config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment.
13414	(DWARF_FRAME_REGISTERS, DWARF_REG_TO_UNWIND_COLUMN): Adjust, so
13415	that addition of sfp doesn't change these.
13416	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
13417	REG_ALLOC_ORDER): Add sfp.
13418	(INT_REGNO_P): Include FRAME_POINTER_REGNUM.
13419	(FRAME_POINTER_REGNUM): Define to 113.
13420	(HARD_FRAME_POINTER_REGNUM): Define to 31.
13421	(REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add sfp.
13422	(STARTING_FRAME_OFFSET): Set to 0 for FRAME_GROWS_DOWNWARD.
13423	(ELIMINABLE_REGS): Never eliminate to
13424	FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
13425	instead.  Add eliminations from FRAME_POINTER_REGNUM.
13426	(REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P):
13427	Include FRAME_POINTER_REGNUM.
13428	(REGISTER_NAMES): Add sfp.
13429	* config/rs6000/rs6000.c (rs6000_reg_names): Add sfp.
13430	(alt_reg_names): Likewise.
13431	(rs6000_stack_info): Handle FRAME_GROWS_DOWNWARD.
13432	(rs6000_emit_prologue): Use HARD_FRAME_POINTER_REGNUM
13433	instead of FRAME_POINTER_REGNUM.
13434	(rs6000_initial_elimination_offset): Never eliminate to
13435	FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
13436	instead.  Add elimination offsets from FRAME_POINTER_REGNUM.
13437
13438	* config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Only return non-zero
13439	if DEFAULT_ABI == ABI_V4.
13440
134412005-06-30  Steven Bosscher  <stevenb@suse.de>
13442
13443	* coretypes.h (tls_model): Add TLS_MODEL_NONE as 0.
13444	* tree.h (struct tree_decl): New field `tls_model'.
13445	(DECL_TLS_MODEL): New.
13446	(DECL_THREAD_LOCAL_P): Rename from DECL_THREAD_LOCAL, make it
13447	a predicate.
13448	* rtl.h (decl_default_tls_model): Add prototype for it.
13449	* varasm.c (decl_tls_model): Rewritten and renamed to ...
13450	(decl_default_tls_model): ... this.
13451	(default_encode_section_info): Use DECL_TLS_MODEL instead of
13452	decl_tls_model.
13453	(assemble_variable): Replace DECL_THREAD_LOCAL with
13454	DECL_THREAD_LOCAL_P.
13455	(default_section_type_flags_1): Likewise.
13456	(categorize_decl_for_section): Likewise.
13457	* tree.c (staticp): Likewise.
13458	(recompute_tree_invarant_for_addr_expr): Likewise.
13459	* drawf2out (loc_descriptor_from_tree_1): Likewise.
13460	* c-decl.c (diagnose_mismatched_decls): Likewise.
13461	with DECL_THREAD_LOCAL_P.
13462	(start_decl): Likewise.
13463	* print-tree.c (print_node): Likewise.  Print the TLS model.
13464	(grokdeclarator): Set the default DECL_TLS_MODEL here.
13465	* c-common.c (handle_tls_model_attribute): Rewrite to set the
13466	TLS model up based on the attribute.  Never add the attribute
13467	to the decl's attributes list.
13468	* config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Replace
13469	DECL_THREAD_LOCAL with DECL_THREAD_LOCAL_P.
13470
134712005-06-30  Zdenek Dvorak  <dvorakz@suse.cz>
13472
13473	PR testsuite/21967
13474	* tree-ssa-live.c (mark_all_vars_used_1): Ignore variables in
13475	TMR_ORIGINAL.
13476
134772005-06-30  Bernd Schmidt  <bernd.schmidt@analog.com>
13478
13479	* config/bfin/bfin.md (addv2hi3, subv2hi3, sminv2hi3, smaxv2hi3,
13480	mulv2hi3, negv2hi2, absv2hi2): Pattern names fixed by appending the
13481	necessary digit.
13482
134832005-06-29  David Edelsohn  <edelsohn@gnu.org>
13484
13485	* config/rs6000/rs6000.c (rs6000_file_start): Use PPC405_ERRATUM77.
13486
134872005-06-29  Diego Novillo  <dnovillo@redhat.com>
13488
13489	PR 22234
13490	* tree-ssa-copy.c (fini_copy_prop): Do not overwrite copy_of
13491	when following copy-of chains.
13492
134932005-06-30  Jan Hubicka  <jh@suse.cz>
13494
13495	* function.h (struct function): Add saved blocks/unexpanded var list.
13496	* gimple-low.c (record_vars): Insert only VAR_DECLs.
13497	* tree-inline.c (add_lexical_block): Declare; do not clear sublocks.
13498	(remap_decl): Do not declare vars.
13499	(remap_block): Do not care inserting blocks.
13500	(remap_blocks): New function.
13501	(copy_body_r): Update debug info.
13502	(expand_call_inline): Duplicate callee block tree into caller;
13503	copy all the unexpanded_var_list.
13504	(save_body): Save unexpanded_var_list and blocks.
13505	* tree-optimize.c (tree_rest_of_optimization): Restore
13506	blocks/unexpanded_var_list.
13507
135082005-06-29  Richard Henderson  <rth@redhat.com>
13509
13510	* config/ia64/ia64.c (ia64_expand_vecint_minmax): Use us_minus and
13511	plus for V4HImode UMAX.
13512
135132005-06-29  Joseph S. Myers  <joseph@codesourcery.com>
13514
13515	* c-tree.h (default_function_array_conversion): Take and return
13516	struct c_expr.
13517	* c-typeck.c (default_function_array_conversion): Split into
13518	array_to_pointer_conversion and function_to_pointer_conversion.
13519	Take and return struct c_expr.
13520	(array_to_pointer_conversion): Do not handle type qualifiers or
13521	COMPOUND_EXPRs specially.
13522	(build_function_call): Call function_to_pointer_conversion for
13523	function designators.
13524	(build_unary_op): Call array_to_pointer_conversion, not
13525	default_function_array_conversion.
13526	(digest_init, output_init_element): Likewise.
13527	* c-parser.c: All callers of default_function_array_conversion
13528	changed.
13529
135302005-06-29  Ziemowit Laski  <zlaski@apple.com>
13531
13532	* config/darwin.c (machopic_select_section): constant ObjC string
13533	objects now always have type "__builtin_ObjCString".
13534
135352005-06-29  Richard Henderson  <rth@redhat.com>
13536
13537	* config/alpha/alpha.md (vec_shl_<VEC>, vec_shr_<VEC>): New.
13538
135392005-06-29  Richard Henderson  <rth@redhat.com>
13540
13541	* tree-vect-transform.c (vect_min_worthwhile_factor): Declare.
13542	(vect_create_epilog_for_reduction): Don't use vec_shr if the
13543	operation is emulated.
13544	(vectorizable_reduction): Duplicate vect_min_worthwhile_factor
13545	tests from vectorizable_operation.
13546
135472005-06-29  Caroline Tice  <ctice@apple.com>
13548
13549	Fix PR 21956
13550	* varasm.c (assemble_start_function): Add "L" to beginning of
13551	local labels, so assembler & linker treat them as local.
13552
135532005-06-29  Richard Henderson  <rth@redhat.com>
13554
13555	* config/i386/i386.c (ix86_expand_int_vcond): Remove unsignedp
13556	argument.  Simplify canonicalization of condition.  Use unsigned
13557	saturating subtraction for QI and HImode unsigned compares.  Use
13558	bit arithmetic tricks for SImode unsigned compares.
13559	* config/i386/i386-protos.h (ix86_expand_int_vcond): Update decl.
13560	* config/i386/sse.md (SSEMODE14): New.
13561	(umaxv8hi3): Use us_minus+plus to avoid vcond.
13562	(umaxv4si3): New.
13563	(smax<SSEMODE14>3): Rename from smaxv16qi3 and macroize.
13564	(smin<SSEMODE14>3): Similarly with sminv16qi3.
13565	(umin<SSEMODE24>3): Similarly with uminv8hi3.
13566
135672005-06-29  Ian Lance Taylor  <ian@airs.com>
13568
13569	* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Change
13570	GEN_INT to gen_int_for_mode when storing register size to memory.
13571
135722005-06-29  Stuart Hastings  <stuart@apple.com>
13573
13574	* config/i386/mmintrin.h: Mark vector intrinsics always_inline.
13575	* config/i386/emmintrin.h: Likewise.
13576	* config/i386/pmmintrin.h: Likewise.
13577	* config/i386/xmmintrin.h: Likewise.
13578
135792005-06-29  Steve Ellcey  <sje@cup.hp.com>
13580
13581	PR middle-end/21969
13582	* tree.h (TYPE_VECTOR_SUBPARTS): Change to shift expression.
13583	(SET_TYPE_VECTOR_SUBPARTS): New.
13584	* tree.c (make_vector_type): Replace TYPE_VECTOR_SUBPARTS with
13585	SET_TYPE_VECTOR_SUBPARTS.
13586	* tree-vect-transform.c (vect_transform_loop): Add cast.
13587
135882005-06-29  Andreas Krebbel  <krebbel1@de.ibm.com>
13589
13590	* config/s390/s390.c (s390_decompose_address): Accept invalid
13591	displacements for addresses containing frame_pointer_rtx or
13592	virtual_stack_vars_rtx.
13593	(s390_frame_info): Replaced use of STARTING_FRAME_OFFSET.
13594	(s390_initial_elimination_offset): New offset when eliminating the
13595	soft frame pointer.
13596	* config/s390/s390.h (FRAME_GROWS_DOWNWARD): Defined as 1.
13597	(STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Definitions changed.
13598
135992005-06-28  Ziemowit Laski  <zlaski@apple.com>
13600
13601	* c-common.c (flag_next_runtime): Move...
13602	* toplev.c (flag_next_runtime): ... here.
13603	* c-common.h (flag_next_runtime): Move...
13604	* flags.h (flag_next_runtime): ... here.
13605	* config/darwin-c.c: Include flags.h.
13606	* config/t-darwin (darwin-c.o): Depend on flags.h.
13607
136082005-06-29  Kaz Kojima  <kkojima@gcc.gnu.org>
13609
13610	* config/sh/linux-unwind.h (shmedia_fallback_frame_state):
13611	Disable	aliasing warning with void * cast.
13612	(sh_fallback_frame_state): Likewise.
13613
136142005-06-29  Kaz Kojima  <kkojima@gcc.gnu.org>
13615
13616	* target.h (gcc_target): New field allocate_initial_value.
13617	* target-def.h (TARGET_ALLOCATE_INITIAL_VALUE): New macro.
13618	(TARGET_INITIALIZER): Include it.
13619	* integrate.c (allocate_initial_values): Use
13620	targetm.allocate_initial_value.
13621	* system.h: Poison ALLOCATE_INITIAL_VALUE.
13622	* config/sh/sh-protos.h (sh_pr_n_sets): Delete.
13623	* config/sh/sh.c (sh_pr_n_sets): Make it static.
13624	(sh_allocate_initila_value): New function.
13625	(TARGET_ALLOCATE_INITIAL_VALUE): Override default.
13626	* config/sh/sh.h (ALLOCATE_INITIAL_VALUE): Delete.
13627	* doc/tm.texi (TARGET_ALLOCATE_INITIAL_VALUE): Rename and
13628	update from ALLOCATE_INITIAL_VALUE.
13629
136302005-06-28  Richard Henderson  <rth@redhat.com>
13631
13632	* tree-vectorizer.c (vect_is_simple_reduction): Compare types
13633	using TYPE_MAIN_VARIANT.
13634
136352005-06-28  Richard Henderson  <rth@redhat.com>
13636
13637	* config/ia64/ia64.c (ia64_expand_vecint_compare): Decompose to EQ
13638	when using psubN.uuu.
13639
136402005-06-29  Kelley Cook <kcook@gcc.gnu.org>
13641
13642	* doc/gcc.texi: Update FSF address.
13643
136442005-06-28  Eric Christopher  <echristo@redhat.com>
13645
13646	PR c/22052
13647	PR c/21975
13648	* c-decl.c (diagnose_mismatched_decls): Define DECL_EXTERN_INLINE.
13649	Use. Fix detection of invalid extern inline redefinition.
13650
136512005-06-28  Diego Novillo  <dnovillo@redhat.com>
13652
13653	* tree-optimize.c (init_tree_optimization_passes): Fix typo.
13654
136552005-06-28  Andrew Pinski  <pinskia@physics.uc.edu>
13656
13657	* config/rs6000/rs6000.md (setmemsi): s/operand/operands/.
13658
136592005-06-28  Richard Henderson  <rth@redhat.com>
13660
13661	* config/ia64/ia64.c (ia64_expand_vecint_compare): Use unsigned
13662	saturating subtraction for QI and HImode unsigned compares.  Use
13663	bit arithmetic tricks for SImode unsigned compares.
13664	(ia64_expand_vcondu_v2si): Remove.
13665	(ia64_expand_vecint_cmov): Don't call it.
13666
136672005-06-28  Richard Henderson  <rth@redhat.com>
13668
13669	* rtlanal.c (nonzero_bits1): Use the mode of the value for
13670	determining integral-ness for comparisons.
13671
136722005-06-28  Andrew Pinski  <pinskia@physics.uc.edu>
13673
13674	* config/rs6000/rs6000.md (setmemsi): Fix operand 2.
13675
136762005-06-28  Joseph S. Myers  <joseph@codesourcery.com>
13677
13678	* target.h (invalid_conversion, invalid_unary_op,
13679	invalid_binary_op): New hooks.
13680	* target-def.h (TARGET_INVALID_CONVERSION,
13681	TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
13682	TARGET_INITIALIZER): Likewise.
13683	* hooks.h (hook_constcharptr_tree_tree_null,
13684	hook_constcharptr_int_tree_null,
13685	hook_constcharptr_int_tree_tree_null): New.
13686	* hooks.c (hook_constcharptr_tree_tree_null,
13687	hook_constcharptr_int_tree_null,
13688	hook_constcharptr_int_tree_tree_null): Likewise.
13689	* doc/tm.texi (TARGET_INVALID_CONVERSION,
13690	TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Document.
13691	* c-convert.c (convert): Use invalid_conversion hook.
13692	* c-typeck.c (build_unary_op): Use invalid_unary_op hook.
13693	(build_binary_op): Use invalid_binary_op hook.
13694	* config/ia64/ia64-modes.def: Define RFmode.
13695	* config/ia64/ia64-protos.h (spill_xfmode_operand): Remove.
13696	(ia64_expand_movxf_movrf): New.
13697	* config/ia64/ia64.md (movxf): Move code to
13698	ia64_expand_movxf_movrf.
13699	(movrf, movrf_internal): New.
13700	* ia64.c (ia64_invalid_conversion, ia64_invalid_unary_op,
13701	ia64_invalid_binary_op, TARGET_INVALID_CONVERSION,
13702	TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): New.
13703	(spill_xfmode_operand): Rename to spill_xfmode_rfmode_operand.
13704	Add mode parameter.  Make static.
13705	(ia64_expand_movxf_movrf): New, moved from ia64.md.  Handle RFmode
13706	as well as XFmode.
13707	(ia64_function_arg, ia64_function_value, ia64_register_move_cost,
13708	ia64_scalar_mode_supported_p): Handle RFmode as well as XFmode.
13709	(ia64_init_builtins): Set up __fpreg as RFmode.
13710	(ia64_mangle_fundamental_type): Mangle __fpreg as u7__fpreg.
13711
137122005-06-28  Adrian Straetling  <straetling@de.ibm.com>
13713
13714	* builtins.c: (expand_builtin_memset): Rewrite to support
13715	'set_storage_via_setmem'.
13716	* expr.c: (enum insn_code setmem_optab): Define.
13717	(enum insn_code clrmem_optab): Remove.
13718	(set_storage_via_setmem): New function.
13719	(clear_storage_via_setmem): Remove.
13720	(clear_storage): Replace call to "clear_storage_via_clrmem" with
13721	"set_storage_via_setmem".
13722	* expr.h: (set_storage_via_setmem): Declare.
13723	(CLEAR_RATIO): Redefine using HAVE_setmemM.
13724	* optabs.h: (enum insn_code setmem_optab): Declare.
13725	(enum insn_code clrmem_optab): Remove.
13726	* optabs.c: (init_optabs): Initialize setmem_optab.
13727	(enum insn_code clrmem_optab): Remove.
13728	* genopinit.c: (otabs): Likewise.
13729	* doc/md.texi: Document new standard pattern 'setmem'. Remove
13730	  'clrmem'.
13731	* config/alpha/alpha.c: (alpha_expand_block_clear): Adjust
13732	'operands' ordering.
13733	* config/frv/frv.c: (frv_expand_block_clear): Likewise.
13734	* config/rs6000/rs6000.c: (expand_block_clear): Likewise.
13735	* config/alpha/alpha.md: ("clrmemqi", "clrmemdi"): Rename to "setmemM".
13736	FAIL on operands[2]!=const0_rtx. Adjust 'operands' ordering.
13737	* config/avr/avr.md: ("clrmemhi"): Likewise.
13738	* config/frv/frv.md: ("clrmemsi"): Likewise.
13739	* config/i386/i386.md: ("clrmemsi", "clrmemdi"): Likewise.
13740	* config/pa/pa.md: ("clrmemsi", "clrmemdi"): Likewise.
13741	* config/rs6000/rs6000.md: ("clrmemsi"): Likewise.
13742	* config/s390/s390.md: ("clrmem<mode>"): Likewise.
13743
137442005-06-28  Paul Brook  <paul@codesourcery.com>
13745
13746	* Makefile.in: Set and use UNWIND_H.  Install as unwind.h.
13747	* c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc.
13748	* except.c (add_ehspec_entry): Generate arm eabi filter lists.
13749	(assign_filter_values): Ditto.
13750	(output_ttype): New function.
13751	(output_function_exception_table): Use output_ttype.  Generate arm
13752	eabi filter lists.
13753	(default_init_unwind_resume_libfunc): New function.
13754	* except.h (default_init_unwind_resume_libfunc): Add prototype.
13755	* optabs.c (init_optabs): Don't set unwind_resume_libfunc.
13756	* opts.c (decode_options): Use targetm.unwind_tables_default.
13757	* target-def.h (TARGET_ASM_TTYPE): Provide and use definition.
13758	(TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto.
13759	* target.h (struct gcc_target): Add asm.ttype, unwind_tables_default
13760	and arm_eabi_unwinder.
13761	* unwind-c.c: Support Arm EABI unwinder.
13762	* unwind.h: Rename ...
13763	* unwind-generic.h: ... To this.
13764	* doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document.
13765	(TARGET_UNWID_TABLES_DEFAULT): Document.
13766
13767	* config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype.
13768	* config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions.
13769	(TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER):
13770	Define.
13771	(thumb_pushpop, thumb_output_function_prologue): Output unwinding
13772	directives.
13773	(arm_unwind_emit_stm, arm_unwind_emit_set): New functions.
13774	* config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when
13775	!TARGET_UNWIND_INFO.
13776	(ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define.
13777	* config/arm/bpabi.h (TARGET_UNWIND_INFO): Define.
13778	* config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME,
13779	ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND.
13780	* config/arm/lib1funcs.asm: Include libunwind.S.
13781	* config/arm/libgcc-bpabi.ver: Add unwinding routines.
13782	* config/arm/libunwind.S: New file.
13783	* config/arm/pr-support.c: New file.
13784	* config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind.
13785	(UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
13786	* config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
13787	* config/arm/unwind-arm.c: New file.
13788	* config/arm/unwind-arm.h: New file.
13789	* config/i386/t-netware (USER_H): Remove unwind.h.
13790	* config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define.
13791
137922005-06-28  DJ Delorie  <dj@redhat.com>
13793
13794	* c-decl.c (pop_scope): Move warning control into warning call.
13795	(diagnose_mismatched_decls): Likewise.
13796	(pushdecl): Likewise.
13797	(start_decl): Likewise.
13798	(grokparms): Likewise.
13799	(start_function): Likewise.
13800	(store_parm_decls_newstyle): Likewise.
13801	(store_parm_decls_oldstyle): Likewise.
13802	(finish_function): Likewise.
13803	(declspecs_add_scspec): Likewise.
13804	* c-format.c (decode_format_attr): Likewise.
13805	(maybe_read_dollar_number): Likewise.
13806	(avoid_dollar_number): Likewise.
13807	(finish_dollar_format_checking): Likewise.
13808	(check_format_info): Likewise.
13809	(check_format_info_main): Likewise.
13810	(check_format_types): Likewise.
13811	(format_type_warning): Likewise.
13812	* c-typeck.c (function_types_compatible_p): Likewise.
13813	(build_array_ref): Likewise.
13814	(convert_arguments): Likewise.
13815	(build_c_cast): Likewise.
13816	(store_init_value): Likewise.
13817	(process_init_element): Likewise.
13818	(c_start_case): Likewise.
13819	* stor-layout.c (finalize_record_size): Likewise.
13820	* tree-cfg.c (execute_warn_function_noreturn): Likewise.
13821	* tree-inline.c (expand_call_inline): Likewise.
13822
138232005-06-28  Uros Bizjak  <uros@kss-loka.si>
13824
13825	PR target/22134
13826	* config/i386/i386.md (fist<mode>2_with_temp splitter):
13827	Clobber memory operand, not scratch register.
13828
138292005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>
13830
13831	* config/s390/s390.c (machine_function): New field has_landing_pad_p.
13832	(s390_set_has_landing_pad_p, s390_reg_clobbered_rtx,
13833	 s390_regs_ever_clobbered): New functions.
13834	(s390_return_addr_rtx): Use get_hard_reg_initial_value.
13835	(s390_register_info, s390_init_frame_layout, s390_update_frame_layout):
13836	Use s390_regs_ever_clobbered.
13837	(s390_emit_prologue): Don't use r14 as temp reg if its content is used
13838	for builtin_return_address.
13839	* config/s390/s390.md ("exception_receiver"): New expander.
13840	* config/s390/s390-protos.h (s390_set_has_landing_pad_p): Prototype
13841	added.
13842
138432005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>
13844
13845	* except.c (current_function_has_exception_handlers): Function
13846	description added and if statements merged.
13847
138482005-06-28  Richard Henderson  <rth@redhat.com>
13849
13850	* config/i386/sse.md (smaxv16qi3): Fix buffer overflow.
13851	(sminv16qi3, umaxv8hi3, uminv8hi3): Likewise.
13852
138532005-06-27  Richard Henderson  <rth@redhat.com>
13854
13855	* config/ia64/ia64.c (ia64_expand_vcondu_v2si): Generate proper
13856	comparison operations.
13857	(ia64_expand_vecint_minmax): Fix size of xops.
13858	* config/ia64/vect.md (umax<VECINT>3): Fix fallback pattern typo.
13859	(vec_shl_<VECINT>, vec_shr_<VECINT>): New.
13860
138612005-06-27  Richard Henderson  <rth@redhat.com>
13862
13863	* tree-vect-transform.c (get_initial_def_for_reduction): Use correct
13864	type for DEF and INIT_VAL.  Pretend MIN/MAX need epilogue adjustment.
13865
138662005-06-27  Richard Henderson  <rth@redhat.com>
13867
13868	* config/i386/sse.md (vec_shl_<SSEMODEI>, vec_shr_<SSEMODEI>): New.
13869	(smaxv16qi3, umaxv8hi3, sminv16qi3, uminv8hi3): New.
13870
138712005-06-27  Richard Henderson  <rth@redhat.com>
13872
13873	* tree-vect-transform.c (vect_create_epilog_for_reduction): Remove
13874	duplicate little-endian adjustment.
13875
138762005-06-28  Kelley Cook  <kcook@gcc.gnu.org>
13877
13878	* doc/include/texinfo.tex: Import from upstream CVS.
13879
138802005-06-28  Jan Hubicka  <jh@suse.cz>
13881
13882	* cgraph.c (cgraph_remove_node): Do not release function bodies until
13883	full cgraph is built.
13884	* cgraph.h (cgraph_decide_inlining_incrementally): Add early argument.
13885	* cgraphunit.c (cgraph_finalize_function): Update call of
13886	cgraph_decide_inlining_incrementally.
13887	(initialize_inline_failed): Break out of ...
13888	(cgraph_analyze_function): ... here.
13889	(rebuild_cgraph_edges): New function.
13890	(pass_rebuild_cgraph_edges): New pass.
13891	* common.opt (fearly-inlining): New flag.
13892	* ipa-inline.c: Include ggc.h
13893	(cgraph_clone_inlined_nodes): Avoid re-using of original copy
13894	when cgraph is not fully built.
13895	(cgraph_decide_inlining_incrementally): Add early mode.
13896	(cgraph_early_inlining): New function.
13897	(cgraph_gate_early_inlining): Likewise.
13898	(pass_early_ipa_inline): New pass.
13899	* ipa.c (cgraph_postorder): NULLify aux pointer.
13900	* tree-inline.c (expand_call_inline): Avoid warning early.
13901	* tree-optimize.c (pass_early_local_passes): New.
13902	(execute_cleanup_cfg_pre_ipa): New.
13903	(pass_cleanup_cfg): New.
13904	(register_dump_files): Fix handling subpasses of IPA pass.
13905	(init_tree_optimization_passes): Add early passes.
13906	(execute_ipa_pass_list): Fix handling of subpasses of IPA pass.
13907	* passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges,
13908	pass_early_ipa_inline): New passes.
13909	* tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New.
13910
13911	* invoke.texi: Document early-inlining.
13912
139132005-06-28  Kelley Cook  <kcook@gcc.gnu.org>
13914
13915	* doc/include/fdl.texi: Merge in changes from upstream.
13916	* doc/include/gpl.texi: Likewise.
13917
139182005-06-27  Diego Novillo  <dnovillo@redhat.com>
13919
13920	PR 21959
13921	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Handle type
13922	casts between unsigned and signed types with different size
13923	or precision.
13924
139252005-06-28  Jan Hubicka  <jh@suse.cz>
13926
13927	* tree-optimize.c (exercute_free_datastructures):
13928	Do not disband implicit edges; do not attempt to build insn list;
13929	do not free cfg annotations.
13930	(execute_free_cfg_annotations); Disband implicit edges here;
13931	free cfg annotations here too.
13932	(pass_free_cfg_annotations); New pass.
13933	(init_tree_optimization_passes); Add pass_free_cfg_annotations.
13934	* tree-ssa-operands.c (free_ssa_operands); Recover; export.
13935	* tree-ssa-operands.h (free_ssa_operands); declare.
13936	* tree-ssa.c (delete_tree_ssa); Free SSA operand; mark stmt modified;
13937	kill PHI nodes.
13938	* tree-ssanames.c (release_defs): Kill addresses_taken.
13939
13940	* basic-block.h (basic_block_def): Kill rbi.
13941	(reorder_block_def): Kill; Remove next field (replaced by aux);
13942	move other fields to ...
13943	(rtl_bb_info): ... here.
13944	* bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
13945	copy_bb, connect_traces, add_labels_and_missing_jumps
13946	fix_up_fall_thru_edges, fix_crossing_conditional_branches,
13947	duplicate_computed_gotos, partition_hot_cold_basic-blocks):
13948	Update to new fields.
13949	* cfg.c (initialize_bb_rbi): Kill.
13950	* cfglayout.c (record_effective_endpoints, fixup_reorder_chain,
13951	fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update.
13952	* cfgrtl.c (cfg_layout_create_basic_block): Do not initialize rbi.
13953	(try_redirect_by_replacing_jump): Update rbi references.
13954	(cfg_layout_split_block): Likewise.
13955	(cfg_layout_delete_block): Likewise.
13956	(cfg_layout_merge_blocks): Likewise.
13957	* function.c (thread_prologue_and_epilogue_insns): Likewise.
13958	* passes.c (rest_of_handle_sms): Likewise.
13959	* tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
13960
139612005-06-27  David Edelsohn  <edelsohn@gnu.org>
13962
13963	* config/rs6000/rs6000.c (rs6000_file_start): Note PPC405 erratum
13964	in verbose_asm output.
13965	* config/rs6000/rs6000.h (PPC405_ERRATUM77): Bracket with
13966	CONFIG_PPC405CR.
13967	* config.gcc (powerpc with_which): Define CONFIG_PPC405CR for
13968	405cr.
13969
139702005-06-27  Jakub Jelinek  <jakub@redhat.com>
13971
13972	* builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
13973	(DEF_LIST_INT_INT): Add for 4,0, 4,5, 5,0, 5,6.
13974	(ATTR_NOTHROW_NONNULL_4, ATTR_NOTHROW_NONNULL_5): Define.
13975	(ATTR_FORMAT_PRINTF_4_0, ATTR_FORMAT_PRINTF_4_5,
13976	ATTR_FORMAT_PRINTF_5_0, ATTR_FORMAT_PRINTF_5_6): Define.
13977	* builtins.c: Include tree-flow.h.
13978	(expand_builtin_mempcpy, expand_builtin_memmove): Comment fixes.
13979	(expand_builtin_object_size, expand_builtin_memory_chk,
13980	maybe_emit_chk_warning, maybe_emit_sprintf_chk_warning,
13981	compute_object_offset, compute_builtin_object_size,
13982	fold_builtin_object_size): New functions.
13983	(expand_builtin): Handle BUILT_IN_OBJECT_SIZE and BUILT_IN_*_CHK.
13984	(fold_builtin_1): Likewise.  Handle BUILT_IN_{,V}{,F}PRINTF
13985	and BUILT_IN_{,F}PRINTF_UNLOCKED.
13986	(fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
13987	fold_builtin_strncpy_chk, fold_builtin_strcat_chk,
13988	fold_builtin_strncat_chk, fold_builtin_sprintf_chk,
13989	fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf):
13990	New functions.
13991	* builtins.def (BUILT_IN_OBJECT_SIZE, BUILT_IN_MEMCPY_CHK,
13992	BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK, BUILT_IN_MEMSET_CHK,
13993	BUILT_IN_STPCPY_CHK, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK,
13994	BUILT_IN_STRNCAT_CHK, BUILT_IN_STRNCPY_CHK, BUILT_IN_SNPRINTF_CHK,
13995	BUILT_IN_SPRINTF_CHK, BUILT_IN_VSNPRINTF_CHK, BUILT_IN_VSPRINTF_CHK,
13996	BUILT_IN_FPRINTF_CHK, BUILT_IN_PRINTF_CHK, BUILT_IN_VFPRINTF_CHK,
13997	BUILT_IN_VPRINTF_CHK): New builtins.
13998	* builtin-types.def (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_VAR_4):
13999	Document.
14000	(BT_FN_SIZE_CONST_PTR_INT, BT_FN_INT_INT_CONST_STRING_VALIST_ARG,
14001	BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE, BT_FN_PTR_PTR_INT_SIZE_SIZE,
14002	BT_FN_STRING_STRING_CONST_STRING_SIZE_SIZE,
14003	BT_FN_INT_FILEPTR_INT_CONST_STRING_VALIST_ARG,
14004	BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VALIST_ARG,
14005	BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VALIST_ARG,
14006	BT_FN_INT_INT_CONST_STRING_VAR, BT_FN_INT_FILEPTR_INT_CONST_STRING_VAR,
14007	BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VAR,
14008	BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VAR): New types.
14009	* c-common.c (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_6,
14010	DEF_FUNCTION_TYPE_VAR_4, DEF_FUNCTION_TYPE_VAR_5): Define.
14011	* Makefile.in (OBJS-common): Add tree-object-size.o.
14012	(tree-object-size.o): Add dependencies.
14013	* tree-pass.h (pass_object_sizes): Add.
14014	* tree-optimize.c (init_tree_optimization_passes): Add
14015	pass_object_sizes.
14016	* tree-object-size.c: New file.
14017	* tree.h (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
14018	fold_builtin_strncpy_chk, fold_builtin_snprintf_chk,
14019	compute_builtin_object_size, init_object_sizes, fini_object_sizes):
14020	New prototypes.
14021	* tree-ssa-ccp.c (get_strlen): Rename to ...
14022	(get_maxval_strlen): ...this function.  Handle also computing of maximum
14023	string length and maximum integral value.
14024	(ccp_fold_builtin): Handle BUILT_IN_*_CHK.  Use get_maxval_strlen
14025	instead of get_strlen.  Pass CALLEE and ARGLIST variables to the
14026	folding functions instead of computing them again.
14027	(execute_fold_all_builtins): Retry ccp_fold_builtin if a builtin changed
14028	into some other builtin.
14029	* doc/extend.texi (Object Size Checking): Document.
14030
14031	* regrename.c (copy_value): Fix comment.
14032
14033	* toplev.c (process_options): Use if (FRAME_GROWS_DOWNWARD)
14034	instead of preprocessor conditionals.
14035
14036	* targhooks.c (default_hidden_stack_protect_fail): Fall back to
14037	default_external_stack_protect_fail if visibility is not supported
14038	or not flag_pic.
14039	* config/i386/i386.c (ix86_stack_protect_fail): New function.
14040	(TARGET_STACK_PROTECT_FAIL): Define.
14041	* config/i386/i386.md (stack_protect_si): Change CLOBBER into
14042	SET to zero.
14043	(stack_protect_di): Likewise.  Use %k2 instead of %2 to avoid
14044	invalid instruction xorl %rax, %rax.
14045
140462005-06-27  Richard Henderson  <rth@redhat.com>
14047
14048	* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
14049	* cfgexpand.c: Include params.h.
14050	(has_protected_decls, has_short_buffer): New.
14051	(expand_stack_vars): Take a predicate to determine what to expand.
14052	(defer_stack_allocation): True when flag_stack_protect on.
14053	(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
14054	(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
14055	(stack_protect_classify_type, stack_protect_decl_phase): New.
14056	(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
14057	(add_stack_protection_conflicts, create_stack_guard): New.
14058	(expand_used_vars): Add stack protection logic.
14059	(tree_expand_cfg): Likewise.
14060	* common.opt (Wstack-protector): New.
14061	(fstack-protector, fstack-protector-all): New.
14062	* function.c: Include predict.h.
14063	(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
14064	wants to copy the parameter into the stack frame.
14065	(stack_protect_prologue, stack_protect_epilogue): New.
14066	(expand_function_end): Call stack_protect_epilogue.  Do
14067	sjlj_emit_function_exit_after after naked_return_label.
14068	* function.h (struct function): Add stack_protect_guard.
14069	* params.def (PARAM_SSP_BUFFER_SIZE): New.
14070	* toplev.c (process_options): Disable flag_stack_protect and/or
14071	warn_stack_protect based on FRAME_GROWS_DOWNWARD.
14072	* tree.h (stack_protect_prologue): Declare.
14073
14074	* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
14075	(TARGET_STACK_PROTECT_FAIL): New.
14076	(TARGET_INITIALIZER): Add them.
14077	* target.h (struct gcc_target): Add stack_protect_guard and
14078	stack_protect_fail.
14079	* targhooks.c: Include ggc.h, gty header.
14080	(stack_chk_guard_decl, default_stack_protect_guard): New.
14081	(stack_chk_fail_decl, default_external_stack_protect_fail): New.
14082	(default_hidden_stack_protect_fail): New.
14083	* targhooks.h (default_stack_protect_guard): Declare.
14084	(default_external_stack_protect_fail): Declare.
14085	(default_hidden_stack_protect_fail): Declare.
14086	* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
14087	* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
14088	(trap): Use ud2.
14089	(conditional_trap, conditional_trap_1): Remove.
14090	(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
14091	(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
14092	* doc/md.texi (stack_protect_set, stack_protect_test): New.
14093	* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
14094	(TARGET_STACK_PROTECT_FAIL): New.
14095
14096	* libgcc-std.ver (GCC_4.1.0): New.
14097	* libgcc.h (__stack_chk_guard): Declare.
14098	(__stack_chk_fail, __stack_chk_fail_local): Declare.
14099	* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
14100	* mklibgcc.in (lib2funcs): Add them.
14101
141022005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14103
14104	PR c/21911
14105	* c-common.c (check_function_sentinel): Pass in named argument
14106	list, skip over named arguments before looking for a sentinel.
14107	(check_function_arguments): Pass in named argument list.
14108	* c-common.h (check_function_arguments): Likewise.
14109	* c-typeck.c (build_function_call): Likewise.
14110
141112005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14112
14113	* genautomata.c (decl_mode_check_failed,
14114	regexp_mode_check_failed): Add noreturn attribute.
14115
141162005-06-26  Kazu Hirata  <kazu@codesourcery.com>
14117
14118	* cfg.c, tree-vect-transform.c, tree.def: Fix comment typos.
14119	* doc/invoke.texi: Fix typos.
14120
14121	* builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c,
14122	convert.c, lambda-code.c, predict.c, tree-cfg.c,
14123	tree-complex.c, tree-data-ref.c, tree-if-conv.c,
14124	tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c,
14125	tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
14126	tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
14127	tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c,
14128	tree.c: Use fold_buildN instead of fold (buildN (...)).
14129
141302005-06-26  Gerald Pfeifer  <gerald@pfeifer.com>
14131
14132	* doc/install.texi (Specific): Do not specify the concrete
14133	versions of GCC provided by Cygwin.  Simplify the part on
14134	building on Cygwin.
14135
141362005-06-26  Kazu Hirata  <kazu@codesourcery.com>
14137
14138	* config/arc/arc-protos.c: Remove the prototype for
14139	arc_finalize_pic.
14140	* config/arc/arc.c (arc_finalize_pic): Remove.
14141	* config/arc/arc.h (FINALIZE_PIC): Likewise.
14142	* config/bfin/bfin.h (FINALIZE_PIC): Likewise.
14143	* config/rs6000/rs6000.h (FINALIZE_PIC): Likewise.
14144
141452005-06-26  Jakub Jelinek  <jakub@redhat.com>
14146
14147	PR middle-end/17965
14148	* calls.c (expand_call, emit_library_call_value_1): Use xmalloc/free
14149	instead of alloca for really big argument sizes.
14150
14151	PR middle-end/22028
14152	* gimplify.c (gimplify_type_sizes): Check for type == error_mark_node
14153	earlier in the function.
14154
14155	* regrename.c (copy_value): Don't replace fixed or global
14156	regs with older regs.
14157
14158	* defaults.h (FRAME_GROWS_DOWNWARD): Define to 0 if not defined.
14159	* function.c (get_func_frame_size): Use if (FRAME_GROWS_DOWNWARD)
14160	instead of preprocessor conditionals.
14161	(assign_stack_local_1, assign_stack_temp_for_type): Likewise.
14162	* cfgexpand.c (FRAME_GROWS_DOWNWARD): Don't redefine to 1 or 0
14163	depending on if it was or was not defined previously.
14164	* doc/rtl.texi (VIRTUAL_STACK_VARS_REGNUM): Mention that only non-zero
14165	definition of FRAME_GROWS_DOWNWARD means frame grows downward.
14166	* doc/tm.texi (FRAME_GROWS_DOWNWARD): Likewise.
14167	* config/m68hc11/m68hc11.h (FRAME_GROWS_DOWNWARD): Define to 0.  Update
14168	comment.
14169	* config/pa/pa.h (FRAME_GROWS_DOWNWARD): Likewise.
14170	* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Likewise.
14171	* config/stormy16/stormy16.h (FRAME_GROWS_DOWNWARD): Define to 0.
14172	* config/c4x/c4x.h (FRAME_GROWS_DOWNWARD): Likewise.
14173	* config/sh/sh.h (FRAME_GROWS_DOWNWARD): Likewise.
14174	* config/ia64/ia64.h (FRAME_GROWS_DOWNWARD): Likewise.
14175	* config/iq2000/iq2000.h (FRAME_GROWS_DOWNWARD): Likewise.
14176	* config/pdp11/pdp11.h (FRAME_GROWS_DOWNWARD): Define to 1.  Update
14177	comment.
14178	* config/i860/i860.h (FRAME_GROWS_DOWNWARD): Likewise.
14179	* config/h8300/h8300.h (FRAME_GROWS_DOWNWARD): Likewise.
14180	* config/arc/arc.h (FRAME_GROWS_DOWNWARD): Likewise.
14181	* config/vax/vax.h (FRAME_GROWS_DOWNWARD): Likewise.
14182	* config/sparc/sparc.h (FRAME_GROWS_DOWNWARD): Likewise.
14183	* config/i386/i386.h (FRAME_GROWS_DOWNWARD): Likewise.
14184	* config/fr30/fr30.h (FRAME_GROWS_DOWNWARD): Likewise.
14185	* config/frv/frv.h (FRAME_GROWS_DOWNWARD): Likewise.
14186	* config/mn10300/mn10300.h (FRAME_GROWS_DOWNWARD): Likewise.
14187	* config/bfin/bfin.h (FRAME_GROWS_DOWNWARD): Likewise.
14188	* config/ns32k/ns32k.h (FRAME_GROWS_DOWNWARD): Likewise.
14189	* config/v850/v850.h (FRAME_GROWS_DOWNWARD): Likewise.
14190	* config/alpha/alpha.h (FRAME_GROWS_DOWNWARD): Update comment.
14191	* config/s390/s390.h (FRAME_GROWS_DOWNWARD): Likewise.
14192	* config/arm/arm.h (FRAME_GROWS_DOWNWARD): Likewise.
14193	* config/alpha/unicosmk.h (FRAME_GROWS_DOWNWARD): Define to 1.
14194	* config/cris/cris.h (FRAME_GROWS_DOWNWARD): Likewise.
14195	* config/m68k/m68k.h (FRAME_GROWS_DOWNWARD): Likewise.
14196	* config/mmix/mmix.h (FRAME_GROWS_DOWNWARD): Likewise.
14197
141982005-06-26  Kazu Hirata  <kazu@codesourcery.com>
14199
14200	PR tree-optimization/22026
14201	* tree-vrp.c (extract_range_from_binary_expr): Drop to
14202	VR_VARYING if a binary expression involving VR_ANTI_RANGE is
14203	PLUS_EXPR, MINUS_EXPR, or unsigned MULT_EXPR.
14204
142052005-06-26  Kazu Hirata  <kazu@codesourcery.com>
14206
14207	* Makefile.in (OBJS-common): Remove duplicate object file
14208	names.
14209
142102005-06-25  Jan Hubicka  <jh@suse.cz>
14211
14212	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update profile.
14213	* cfg.c (update_bb_profile_for_threading): Fix rescaling.
14214
14215	* passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info
14216	when not neecesary
14217	(rest_of_compilation): Fix conditional on branch prob pass.
14218	* predict.c (tree_estimate_probability): Enable strip_builtin_expect
14219	when not loop optimizing.
14220
142212005-06-25  Bernd Schmidt  <bernd.schmidt@analog.com>
14222
14223	* config/bfin/bfin.md (ror_one, rol_one, ashrdi3, ashldi3, lshrdi3):
14224	New patterns.
14225	(movbi): Add alternative to set CC to zero.
14226	(compare_eq, compare_ne, compare_le, compare_lt, compare_leu,
14227	compare_ltu): Now named patterns.
14228
142292005-06-25  Kelley Cook  <kcook@gcc.gnu.org>
14230
14231	* all files: Update FSF address in copyright headers.
14232
142332005-06-25  Kelley Cook  <kcook@gcc.gnu.org>
14234
14235	* gengtype.c: Update FSF address in copyright header.
14236	(create_file): Update FSF in outputed copyright header.
14237
142382005-06-24  Kazu Hirata  <kazu@codesourcery.com>
14239
14240	* cfglayout.c (block_locators_locs, line_locators_locs,
14241	line_locators_lines, file_locators_locs): Change the type to
14242	VEC(int,heap)*.
14243	(insn_locators_initialize, change_scope, insn_scope,
14244	locator_line, insn_line, locator_file): Use VEC instead of
14245	VARRAY.
14246
142472005-06-24  Jason Merrill  <jason@redhat.com>
14248
14249	* tree-nrv.c (tree_nrv): Fix to check assignments to the
14250	RESULT_DECL rather than just RETURN_EXPRs.
14251	(finalize_nrv_r): Adjust.
14252
142532005-06-24  Jan Hubicka  <jh@suse.cz>
14254
14255	* tree-optimize.c (init_tree_optimization_passes): Fix flags of
14256	all_passes and all_ipa_passes.
14257
14258	* c-common.c: Include cgraph.h
14259	(handle_externally_visible_attribute): New function.
14260	(c_common_att): Add "externally_visible" attribute.
14261	* cgraph.c (decide_is_variable_needed): Obey externally
14262	visible flag.
14263	(cgraph_varpool_finalize_decl): Avoid redundant checking.
14264	* cgraph.h (struct cgraph_node): New flag externally_visible.
14265	(decide_is_function_needed): Obey externally visible flag.
14266	(cgraph_finalize_function): Avoid redundant checks.
14267	(cgraph_function_and_variable_visibility): Bring symbols local
14268	when asked for.
14269	* common.opt (fwhole-program): New flag.
14270
14271	* doc/invoke.texi (-fwhole-program): Document.
14272
142732005-06-24  Mark Mitchell  <mark@codesourcery.com>
14274
14275	PR 22171
14276	* tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL
14277	before use.
14278
142792005-06-23  Mark Mitchell  <mark@codesourcery.com>
14280
14281	PR 22000
14282	* tree-ssa-operands.c (get_expr_operands): Check the volatility of
14283	the FIELD_DECL and set s_ann->has_volatile_ops accordingly.
14284
142852005-06-24  Jan Hubicka  <jh@suse.cz>
14286
14287	* opts.c (decode_options): Enable unit-at-a-time by default at -O1.
14288
142892005-06-23  Jeff Law  <law@redhat.com>
14290
14291	* tree-optimize.c (init_tree_optimization_passes): Move
14292	copy prop pass to run just before VRP.
14293	* tree-vrp.c (remove_range_assertions): Remove copies created
14294	by ASSERT_EXPR removal.
14295
142962005-06-23  Kazu Hirata  <kazu@codesourcery.com>
14297
14298	PR tree-optimization/22117
14299	* tree-vrp.c (extract_range_from_binary_expr): Compute a
14300	correct range when adding two pointers.
14301
143022005-06-23  Jason Merrill  <jason@redhat.com>
14303
14304	PR c++/19317
14305	Leave the return slot target in the MODIFY_EXPR rather than making
14306	it an argument, but only use it if the CALL_EXPR has a flag set.
14307	* tree.h (CALL_EXPR_HAS_RETURN_SLOT_ADDR): Rename to
14308	CALL_EXPR_RETURN_SLOT_OPT.
14309	* calls.c (expand_call): Adjust.
14310	* tree-inline.c (expand_call_inline): Adjust.
14311	* tree-pretty-print.c (dump_generic_node): Adjust.
14312
14313	And set the flag as appropriate.
14314	* gimplify.c (gimplify_modify_expr_rhs): Set
14315	CALL_EXPR_HAS_RETURN_SLOT_ADDR where the LHS is obviously safe.
14316	* tree-nrv.c (execute_return_slot_opt): Set
14317	CALL_EXPR_HAS_RETURN_SLOT_ADDR based on escape analysis.
14318	* tree-pass.h: Declare pass_return_slot.
14319	* tree-optimize.c (init_tree_optimization_passes): Add it.
14320
143212005-06-23  David Edelsohn  <edelsohn@gnu.org>
14322
14323	PR target/21760
14324	* config/rs6000/rs6000.h (PPC405_ERRATUM77): New.
14325	* config/rs6000/rs6000.md: Move atomic instructions to ...
14326	* config/rs6000/sync.md: Here.
14327	Change sync_compare_and_swap<mode> to define_expand.  All stwcx
14328	patterns test PPC405_ERRATUM77.
14329
143302005-06-23  Jan Hubicka  <jh@suse.cz>
14331
14332	* tree-inline.c (copy_body_r): Remap labels correctly.
14333
143342005-06-22  Alan Modra  <amodra@bigpond.net.au>
14335
14336	* config/rs6000/sysv4.h (TARGET_ASM_EXCEPTION_SECTION): Delete.
14337
143382005-06-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14339
14340	PR middle-end/20593
14341	* varasm.c (compute_reloc_for_constant): Treat VIEW_CONVER_EXPR
14342	the same as the other cast operands.
14343	(output_addressed_constants): Likewise.
14344
143452005-06-21  Jeff Law  <law@redhat.com>
14346
14347	* tree-vrp.c (extract_range_from_unary_expr): Handle type
14348	conversions better.
14349
143502005-06-21  Dorit Nuzman  <dorit@il.ibm.com>
14351
14352	* genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs.
14353	(reduc_plus_optab): Removed.  Replcaed with...
14354	(reduc_splus_optab, reduc_uplus_optab): Initialize new optabs.
14355	* optabs.c (optab_for_tree_code): Return reduc_splus_optab or
14356	reduc_uplus_optab instead of reduc_plus_optab.
14357	(expand_vec_shift_expr): New function.
14358	(init_optabs): Initialize new optabs. Remove initialization of
14359	reduc_plus_optab.
14360	(optab_for_tree_code): Return vec_shl_optab/vec_shr_optab
14361	for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR.
14362	* optabs.h (OTI_reduc_plus): Removed. Replaced with...
14363	(OTI_reduc_splus, OTI_reduc_uplus): New.
14364	(reduc_plus_optab): Removed.  Replcaed with...
14365	(reduc_splus_optab, reduc_uplus_optab): New optabs.
14366	(vec_shl_optab, vec_shr_optab): New optabs.
14367	(expand_vec_shift_expr): New function declaration.
14368
14369	* tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes.
14370	* tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
14371	* expr.c (expand_expr_real_1): Handle new tree-codes.
14372	* tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise.
14373	* tree-vect-generic.c (expand_vector_operations_1): Add assert.
14374
14375	* tree-vect-transform.c (vect_create_epilog_for_reduction): Add two
14376	alternatives for generating reduction epilog code.
14377	(vectorizable_reduction): Don't fail of direct reduction support is
14378	not available.
14379	(vectorizable_target_reduction_pattern): Likewise.
14380
14381	* config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
14382	reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si,
14383	reduc_plus_v4si, reduc_plus_v4sf): Removed.
14384	(vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode,
14385	reduc_splus_<mode>, reduc_uplus_v16qi): New.
14386
143872005-06-20  Daniel Berlin  <dberlin@dberlin.org>
14388
14389	* c-typeck.c (build_function_call): Set fundecl = function again.
14390	* tree-ssa-alias.c (find_used_portions): Address taking causes the
14391	entire variable to be used.
14392	* tree-ssa-structalias.c (do_structure_copy): Fix handling of
14393	unknown size variables, and structure copies from addressof
14394	operations.  Simplify how we do *a = *b type structure copies.
14395	(init_base_vars): Add ANYTHING = &ANYTHING constraint the right
14396	way.  READONLY's address is not taken by default.
14397	INTEGER dereference should point to anything.
14398	(create_variable_info_for): It's okay for the first field to not start
14399	at 0.
14400
144012005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14402
14403	config/sh/linux.h (FUNCTION_PROFILER): Constify a char*.
14404
144052005-06-20  Roger Sayle  <roger@eyesopen.com>
14406	    Fariborz Jahanian <fjahanian@apple.com>
14407
14408	* combine.c (simplify_set): Simplify setting of CC register
14409	by removing redundant compare with 0 on RHS.
14410
144112005-06-20  Jan Beulich  <jbeulich@novell.com>
14412
14413	* config/i386/netware-libgcc.def: Update copyright.
14414	* config/i386/netware-libgcc.exp (__divdc3, __divsc3, __divxc3,
14415	__muldc3, __mulsc3, __mulxc3, __powidf2, __powisf2, __powixf2): Add.
14416	* config/i386/netware.c (gen_stdcall_decoration,
14417	gen_fastd_decoration): Merge into ...
14418	(gen_stdcall_or_fastcall_decoration): ... this. Adjust to match
14419	WinNT's changes.
14420	(gen_regparm_prefix): Adjust to match i386_nlm_encode_section_info.
14421	(i386_nlm_encode_section_info): Adjust to match WinNT's changes.
14422	* config/i386/t-nwld (SHLIB_LINK): Also create libgcc.imp alias of
14423	libgcc_s.imp. Use 'expr' rather than $(()) shell expressions.
14424	* gthr-nks.h (__gthread_objc_mutex_allocate): Kill another dubious
14425	use of NX_MUTEX_RECURSIVE.
14426
144272005-06-19  Roger Sayle  <roger@eyesopen.com>
14428
14429	* fold-const.c (swap_tree_comparison): Add support for unordered
14430	floating point comparisons.
14431	* tree-vrp.c (opposite_comparison): Delete.
14432	(extract_range_from_assert): Replace calls to opposite_comparison
14433	with calls to swap_tree_comparison.
14434	(register_edge_assert_for): Likewise.
14435	(vrp_evaluate_conditional): Likewise.
14436
144372005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
14438
14439	* integrate.c (allocate_initial_values): Update the references
14440	to global_live_at_start	and global_live_at_end.
14441
144422005-06-20  Jan Hubicka  <jh@suse.cz>
14443
14444	* cfgloop.h (DLTHE_RECORD_COPY_NUMBER): New flag.
14445	* cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only
14446	when asked for.
14447	* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
14448	unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
14449	Update call of duplicate_loop_to_header_edge.
14450	(apply_opt_in_copies): Clear out aux pointers.
14451
144522005-06-19  Joseph S. Myers  <joseph@codesourcery.com>
14453
14454	* config/i386/i386.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14455	(ix86_mangle_fundamental_type): New.
14456	* config/ia64/ia64.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14457	(ia64_mangle_fundamental_type): New.
14458
144592005-06-19  Roger Sayle  <roger@eyesopen.com>
14460
14461	* c-decl.c (grokdeclarator): Only check TREE_OVERFLOW on
14462	INTEGER_CST nodes.
14463	* c-typeck.c (build_c_cast): Only preserve TREE_OVERFLOW on
14464	CONSTANT_CLASS_P nodes.
14465
144662005-06-19  Richard Henderson  <rth@redhat.com>
14467
14468	* config/ia64/vect.md (vec_extractv2sf_1): Fix cut-and-paste error;
14469	the shift is always required.
14470
144712005-06-19  Richard Henderson  <rth@redhat.com>
14472
14473	* config/ia64/ia64-modes.def (V4SF): Add.
14474	* config/ia64/ia64.c (ia64_legitimate_constant_p): Handle CONST_VECTOR.
14475	* config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Allow vector to
14476	integer mode changes in fp regs.
14477	* config/ia64/ia64.md (UNSPEC_VECT_EXTR): New.
14478	* config/ia64/vect.md (smaxv2sf3, sminv2sf3): Fix typos in names.
14479	(reduc_plus_v2sf, reduc_smax_v2sf, reduc_smin_v2sf): New.
14480	(vcondv2sf): Use gen_fpack
14481	(fpack): Remove * from name.
14482	(fswap, fmix_l, fmix_r, fmix_lr): New.
14483	(vec_setv2sf, vec_extractv2sf_0_le, vec_extractv2sf_0_be): New.
14484	(vec_extractv2sf_1, vec_extractv2sf): New.
14485
144862005-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
14487
14488	* combine.c (make_compound_operation): Use simplify_subreg.  Delete
14489	a optimization already done by simplify_subreg.
14490
144912005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
14492
14493	* loop.c (scan_loop): Do not consider insns setting the frame
14494	pointer to be candidates for hoisting.
14495
144962005-06-19  Uros Bizjak  <uros@kss-loka.si>
14497
14498	* config/i386/i386.md (*cmpfp_0_sf, *cmpfp_0_df, cmpfp_0_xf):
14499	Remove instruction patterns.
14500	(*cmpfp_0): New instruction pattern. Set "unit" attribute to "i387".
14501	(*cmpfp_sf, *cmpfp_df, *cmpfp_xf, *cmpfp_u, *_cmpfp_<mode>):
14502	Set "unit" attribute to "i387".
14503	(*pushsf, *pushsf_rex64, *pushdf_nointeger, *pushdf_integer)
14504	(*pushxf_nointeger, *pushxf_integer): Set "unit" attribute to "i387"
14505	for alternative 0.
14506	(*truncdfsf_mixed, *truncdfsf_i387, *truncxfsf2_mixed)
14507	(*truncxfsf2_i387, *truncxfdf2_mixed, *truncxfdf2_i387): Set "unit"
14508	attribute to "i387" when "type" attribute equals "multi".
14509	(*floathisf2_i387, *floatsisf2_mixed, *floatsisf2_i387)
14510	(*floatdisf2_mixed, *floatdisf2_i387, *floathidf2_i387)
14511	(*floatsidf2_mixed, *floatsidf2_i387, *floatdidf2_mixed)
14512	(*floatdidf2_i387, floathixf2, floatsixf2, floatdixf2): Set "unit"
14513	attribute to "i387" when "type" attribute equals "multi".
14514	* config/i386/mmx.md (*mov<mode>_internal_rex64)
14515	(*mov<mode>_internal, *movv2sf_internal_rex64, *movv2sf_internal):
14516	Set "unit" attribute to "mmx" when "type" attribute equals "ssecvt".
14517	(mmx_pmovmskb): Correct wrong "type" and "mode" attributes.
14518	* config/i386/sse.md (sse_cvtps2pi, sse_cvttps2pi, sse_cvtpd2di)
14519	(sse_cvttpd2pi): Set "unit" attribute to "mmx".
14520	(sse2_cvtpi2pd): Split register constraints. Set "unit" attribute
14521	to "mmx" for "y" operand 1.
14522
145232005-06-19  Uros Bizjak  <uros@kss-loka.si>
14524
14525	* config/i386/i386.c (ix86_function_arg_regno_p): Add MMX_REGNO_P
14526	for TARGET_MMX.  Use MMX_REGPARM_MAX and SSE_REGPARM_MAX for MMX
14527	and SSE registers to determine if regno is valid.
14528	(ix86_function_value_regno_p): Depend FIRST_FLOAT_REG on
14529	TARGET_FLOAT_RETURNS_IN_80387 also for TARGET_64BIT. Clean up.
14530
145312005-06-18  Richard Henderson  <rth@redhat.com>
14532
14533	* tree-complex.c (init_dont_simulate_again): Clear DONT_SIMULATE_AGAIN
14534	for control-altering statements; set it again for returns.
14535	(complex_visit_stmt): Return SSA_PROP_VARYING for stmts that are
14536	not MODIFY_EXPR.
14537
145382005-06-18  Richard Henderson  <rth@redhat.com>
14539
14540	PR tree-opt/22116
14541	* tree-ssa-pre.c (create_expression_by_pieces): Set
14542	DECL_COMPLEX_GIMPLE_REG_P.
14543	(insert_into_preds_of_block): Likewise.
14544
145452005-06-18  Steven Bosscher  <stevenb@suse.de>
14546
14547	* Makefile.in: Fix tree-cfgcleanup.c dependencies.
14548
145492005-06-18  Richard Henderson  <rth@redhat.com>
14550
14551	* expr.c (store_constructor): Use store of 0 to indicate value
14552	death instead of a clobber.
14553
14554	* config/i386/i386.c (ix86_expand_reduc_v4sf): New.
14555	* config/i386/i386-protos.h (ix86_expand_reduc_v4sf): Declare.
14556	* config/i386/sse.md (reduc_plus_v4sf): New.
14557	(reduc_smax_v4sf, reduc_smin_v4sf): New.
14558
145592005-06-18  James A. Morrison  <phython@gcc.gnu.org>
14560
14561	* fold_const (fold_binary): Fold X % (2**N) to X & (2**N - 1) for
14562	nonnegative values of X.
14563
145642005-06-18  Uros Bizjak  <uros@kss-loka.si>
14565
14566	* doc/md.texi (Standard Names): Change insn pattern name
14567	from truncM2 to btruncM2 for 'trunc' built-in description.
14568	Add rintM2 insn pattern description.
14569
145702005-06-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14571
14572	* c-decl.c (locate_old_decl): Add format attribute.
14573	(implicit_decl_warning): Likewise.
14574
14575	* diagnostic.h (verbatim): Move ...
14576	* toplev.h (verbatim): ... here.  Add ATTRIBUTE_GCC_DIAG.
14577	* pretty-print.h (pp_verbatim): Add ATTRIBUTE_GCC_PPDIAG.
14578
145792005-06-18  Roger Sayle  <roger@eyesopen.com>
14580
14581	PR target/22083
14582	* config/rs6000/aix51.h (TARGET_C99_FUNCTIONS): Remove definition.
14583
145842005-06-18  Dorit Nuzman  <dorit@il.ibm.com>
14585
14586	* tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New
14587	tree-codes.
14588	* optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin,
14589	OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction.
14590	(reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
14591	reduc_plus_optab): New optabs for reduction.
14592	* expr.c (expand_expr_real_1): Handle new tree-codes.
14593	* tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
14594	* tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle
14595	new tree-codes.
14596	* optabs.c (optab_for_tree_code): Handle new tree-codes.
14597	(init_optabs): Initialize new optabs.
14598	* genopinit.c (optabs): Define handlers for new optabs.
14599
14600	* tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in
14601	case of a phi that is marked as relevant. Call vectorizable_reduction.
14602	(vect_mark_relevant): Phis may be marked as relevant.
14603	(vect_mark_stmts_to_be_vectorized): The use corresponding to the
14604	reduction variable in a reduction stmt does not mark its defining phi
14605	as relevant. Update documentation accordingly.
14606	(vect_can_advance_ivs_p): Skip reduction phis.
14607	* tree-vect-transform.c (vect_get_vec_def_for_operand): Takes
14608	additional argument. Handle reduction.
14609	(vect_create_destination_var): Update call to vect_get_new_vect_var.
14610	Handle non-vector argument.
14611	(get_initial_def_for_reduction): New function.
14612	(vect_create_epilog_for_reduction): New function.
14613	(vectorizable_reduction): New function.
14614	(vect_get_new_vect_var): Handle new vect_var_kind.
14615	(vectorizable_assignment, vectorizable_operation, vectorizable_store,
14616	vectorizable_condition): Update call to vect_get_new_vect_var.
14617	(vect_transform_stmt): Call vectorizable_reduction.
14618	(vect_update_ivs_after_vectorizer): Skip reduction phis.
14619	(vect_transform_loop): Skip if stmt is both not relevant and not live.
14620	* tree-vectorizer.c (reduction_code_for_scalar_code): New function.
14621	(vect_is_simple_reduction): Was empty - added implementation.
14622	* tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value.
14623	(reduc_vec_info_type): New enum vect_def_type value.
14624	* config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
14625	reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf,
14626	reduc_plus_v4si, reduc_plus_v4sf): New define_expands.
14627
14628	* tree-vect-analyze.c (vect_determine_vectorization_factor): Remove
14629	ENABLE_CHECKING around gcc_assert.
14630	* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
14631	(vect_do_peeling_for_alignment, vect_transform_loop,
14632	vect_get_vec_def_for_operand): Likewise.
14633
146342005-06-18  Joseph S. Myers  <joseph@codesourcery.com>
14635
14636	* config/ia64/ia64.c (ia64_function_arg): Set up a PARALLEL for a
14637	big-endian unnamed __float80 value.
14638
146392005-06-18  Richard Henderson  <rth@redhat.com>
14640
14641	PR tree-opt/22103
14642	* tree-sra.c (generate_copy_inout): Handle SSA_NAME complex
14643	destinations.
14644
146452005-06-17  Richard Henderson  <rth@redhat.com>
14646
14647	* tree-vect-transform.c (vect_do_peeling_for_loop_bound): Use
14648	initialize_original_copy_tables and free_original_copy_tables.
14649	(vect_do_peeling_for_alignment): Likewise.
14650
146512005-06-17  Pat Haugen  <pthaugen@us.ibm.com>
14652
14653	* bb-reorder.c (find_traces_1_round): Use succ block frequency
14654	instead of edge frequency for calls to better_edge_p.
14655
146562005-06-17  Andrew Pinski  <pinskia@physics.uc.edu>
14657
14658	PR tree-opt/22105
14659	* tree-ssa-loop-im.c (for_each_index): Handle COMPLEX_CST.
14660
146612005-06-17  Steve Ellcey  <sje@cup.hp.com>
14662
14663	PR target/19889
14664	* config/ia64/hpux.h (FUNCTION_PROFILER): New (dummy).
14665	(PROFILE_HOOK): New.
14666	(PROFILE_BEFORE_PROLOGUE): Undef.
14667	(NO_PROFILE_COUNTERS): New.
14668	* config/ia64/ia64-protos.h (ia64_profile_hook): New.
14669	* config/ia64/ia64.c (ia64_compute_frame_size): Add ifdef.
14670	(gen_mcount_func_rtx): New.
14671	(ia64_profile_hook): New.
14672	* config/ia64/ia64.md (ip_value): New.
14673
146742005-06-17  Devang Patel  <dpatel@apple.com>
14675
14676	* config/rs6000/predicates.md (s5bit_cint_operand,
14677	u5bit_cint_operand): New.
14678	* config/rs6000/altivec.md (altivec_vspltb, altivec_vsplth,
14679	altivec_vspltisw_v4sf): Use new 5 bit constant operand predicates.
14680	* config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Fix signed
14681	5 bit constant check.
14682
146832005-06-17  Richard Henderson  <rth@redhat.com>
14684
14685	* local-alloc.c (update_equiv_regs): Update reg_equiv_init
14686	properly when moving an initialization insn.
14687
146882005-06-17  Paolo Bonzini  <bonzini@gnu.org>
14689
14690	* aclocal.m4 (gcc_AC_CHECK_TOOL): Do not overwrite the
14691	passed variable.
14692	* configure.ac: Regenerate.
14693
146942005-06-17  Jan Hubicka  <jh@suse.cz>
14695
14696	* tree-optimize.c (execute_ipa_pass_list): New.
14697	(ipa_passes): Use it.
14698
146992005-06-16  Richard Henderson  <rth@redhat.com>
14700
14701	PR tree-opt/22022
14702	* tree-complex.c (update_phi_components): Avoid no-op moves.
14703
147042005-06-16  Joseph S. Myers  <joseph@codesourcery.com>
14705
14706	* Makefile.in (cc1-checksum.c): Use
14707	build/genchecksum$(build_exeext), not build/genchecksum$(exeext).
14708
147092005-06-16  Geoffrey Keating  <geoffk@apple.com>
14710
14711	* gengtype.c (adjust_field_rtx_def): Don't add a skip to
14712	basic_block types.
14713
14714	* config/t-slibgcc-darwin (SHLIB_SOVERSION): Rename from
14715	SHLIB_MINOR.
14716	(SHLIB_REVISION): Delete.
14717	(SHLIB_VERSTRING): Update to compensate.
14718	(SHLIB_SONAME): Just use one '.' in the name.
14719
147202005-06-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
14721
14722	PR tree-optimization/22018
14723	* tree-vrp.c (vrp_int_const_binop): Overhaul handling of overflow.
14724
147252005-06-16  Richard Henderson  <rth@redhat.com>
14726
14727	PR tree-opt/22035
14728	* builtins.c (fold_builtin_complex_mul): Remove.
14729	(fold_builtin_complex_div): Remove.
14730	(fold_builtin_1): Don't call them.
14731	* fold-const.c (fold_complex_add, fold_complex_mult_parts,
14732	fold_complex_mult, fold_complex_div_parts, fold_complex_div): Remove.
14733	(fold_binary): Don't call them.  Don't expand complex comparisons to
14734	elementary comparisons.
14735	* tree-complex.c (init_dont_simulate_again): Enhance search for
14736	stmts that require decomposition.
14737	(complex_visit_stmt): Handle RETURN_EXPR properly.
14738	(create_components): Handle no referenced variables properly.
14739	* tree.h (fold_complex_mult_parts): Remove.
14740	(fold_complex_div_parts): Remove.
14741
147422005-06-16  Richard Guenther  <rguenth@gcc.gnu.org>
14743
14744	* doc/extend.texi: Document sseregparm target attribute.
14745	Clarify fastcall and regparm documentation.
14746	* config/i386/i386.h: Adjust float_in_sse documentation.
14747	* config/i386/i386.c: Add new target attribute sseregparm.
14748	(ix86_handle_cdecl_attribute, ix86_handle_regparm_attribute):
14749	Merge into ...
14750	(ix86_handle_cconv_attribute): ... here.  Also handle
14751	sseregparm attribute.
14752	(ix86_comp_type_attributes): Compare sseregparm attributes.
14753	(ix86_function_sseregparm): New function, split out from ...
14754	(init_cumulative_args): ... here.  Use to decide use
14755	of SSE registers and error in case of missing support.
14756	(ix86_value_regno): Likewise.
14757	(function_arg_advance): Do not bail out for DFmode if we need
14758	to pass doubles in registers.
14759	(function_arg): Likewise.
14760
147612005-06-16  Paolo Bonzini  <bonzini@gnu.org>
14762	    Daniel Jacobowitz  <dan@codesourcery.com>
14763	    Alan Modra <amodra.bigpond.net.au>
14764
14765	* configure.ac (gcc_version): Set near the beginning.
14766	(as, ld, nm): Do not link in-tree tools.  Set gcc_cv_* if tools are
14767	found in the tree.  Use gcc_AC_PROG to find the tools in the system.
14768	(objdump): Do not look for it.
14769	* Makefile.in (NM_FOR_TARGET): Point to ./nm
14770	(ORIGINAL_AS_FOR_TARGET, ORIGINAL_LD_FOR_TARGET,
14771	ORIGINAL_NM_FOR_TARGET): Substitute from autoconf.
14772	(as, ld, nm): New rules.
14773	(libgcc.mk): Depend on them.
14774	* aclocal.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL,
14775	gcc_AC_BUILD_EXEEXT): New.
14776	(gcc_AC_CHECK_PROG_VER): Use gcc_AC_BUILD_EXEEXT.
14777	* configure: Regenerate.
14778
147792005-06-16  Jan Hubicka  <jh@suse.cz>
14780
14781	* basic-block.h (rtl_bb_info): Break out head_, end_,
14782	global_live_at_start, global_live_at_end from ...
14783	(basic_block_def): ... here; update all references
14784	(BB_RTL): New flag.
14785	(init_rtl_bb_info): Declare.
14786	* cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL
14787	flag.
14788	* cfgrtl.c: Include ggc.h
14789	(create_basic_block_structure): Init bb info.
14790	(rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer.
14791	(init_rtl_bb_info): New function.
14792	(rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here.
14793	* cfghooks.c (merge_block): Do not copy global_live_at_end here.
14794	* cfg.c (clear_bb_flags): Skip BB_RTL flag.
14795	(dump_flow_info): Gueard global_live_* dumping.
14796
14797	* Makefile.in (cfg.o): Add new dependencies.
14798	* basic-block.h (reorder_block_def): Kill
14799	original/copy/duplicated/copy_number fields.
14800	(BB_DUPLICATED): New flag.
14801	(initialize_original_copy_tables, free_original_copy_tables,
14802	set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
14803	* cfg.c: Include hashtab.h and alloc-pool.h
14804	(bb_original, bb_copy, original_copy_bb_pool): New static vars.
14805	(htab_bb_copy_original_entry): New struct.
14806	(bb_copy_original_hash, bb_copy_original_eq): New static functions.
14807	(initialize_original_copy_tables, free_original_copy_tables,
14808	set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
14809	global functions.
14810	* cfghooks.c (duplicate_block): Update original/copy handling.
14811	* cfglayout.c (fixup_reorder_chain): Likewise.
14812	(cfg_layout_initialize): Initialize orignal_copy tables.
14813	(cfg_layout_finalize): FInalize original_copy tables.
14814	(can_copy_bbs_p): Use BB_DUPLICATED flag.
14815	(copy_bbs): Likewise.
14816	* cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
14817	(duplicate_loop_to_header_edge): Likewise; update handling of
14818	copy_number.
14819	(loop_version): Likewise.
14820	* dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
14821	* except.c (expand_resx_expr): Check that reg->resume is not set.
14822	* loop-unroll.c (unroll_loop_constant_iterations,
14823	unroll_loop_runtime_iterations, apply_opt_in_copies): Update
14824	copy/original handling.
14825	* loop-unwitch.c (unswitch_loop): Likewise.
14826	* tree-cfg.c (create_bb): Do not initialize RBI.
14827	(disband_implicit_edges): Do not kill RBI.
14828	(add_phi_args_after_copy_bb): Use new original/copy mapping.
14829	(add_phi_args_after_copy): Use BB_DUPLICATED flag.
14830	(tree_duplicate_sese_region): Update original/copy handling.
14831	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
14832	* tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
14833	* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
14834
148352005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>
14836
14837	PR tree-opt/21923
14838	* tree-ssa.c (tree_ssa_useless_type_conversion_1): Conversions between
14839	integer types whos ranges are different are not useless.
14840
148412005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>
14842
14843	PR tree-opt/22024
14844	* tree-ssa-reassoc.c (init_reassoc): Also give chain decl a distint
14845	rank.
14846
148472005-06-15  Diego Novillo  <dnovillo@redhat.com>
14848
14849	* tree-ssa-structalias.c (dump_solution_for_var): Reformat
14850	output.
14851	(dump_sa_points_to_info): Make extern.
14852	(debug_sa_points_to_info): New.
14853	* tree-ssa-structalias.h (TREE_SSA_STRUCTALIAS_H): Rename from
14854	TREE_ALIAS_COMMON.
14855	(dump_sa_points_to_info): Declare.
14856	(debug_sa_points_to_info): Declare.
14857
148582005-06-15  Joseph S. Myers  <joseph@codesourcery.com>
14859
14860	* c-tree.h (default_function_array_conversion): Declare.
14861	* c-typeck.c (default_function_array_conversion): Export.  Correct
14862	comment.
14863	(default_conversion): Do not call
14864	default_function_array_conversion.  Do not allow FUNCTION_TYPE.
14865	(build_function_call): Call default_function_array_conversion on
14866	the function.
14867	(convert_arguments): Do not call it on the function arguments.
14868	(build_unary_op): Do not allow ARRAY_TYPE or FUNCTION_TYPE for
14869	TRUTH_NOT_EXPR.  Call default_function_array_conversion for taking
14870	address of ARRAY_REF.
14871	(build_compound_expr): Do not call
14872	default_function_array_conversion.
14873	(build_c_cast): Do not call default_function_array_conversion.
14874	(convert_for_assignment): Do not call default_conversion.
14875	(digest_init): Call default_function_array_conversion to convert
14876	string constants and compound literals to pointers, but not
14877	otherwise.
14878	(output_init_element): Likewise.
14879	(build_asm_expr): Do not call default_function_array_conversion.
14880	(c_process_expr_stmt): Likewise.
14881	(c_objc_common_truthvalue_conversion): Likewise.  Do not allow
14882	FUNCTION_TYPE.
14883	* c-parser.c (c_parser_expression_conv): New.
14884	(c_parser_asm_operands, c_parser_expr_list): Add convert_p
14885	argument.  All callers changed.  Call
14886	default_function_array_conversion if convert_p.
14887	(c_parser_initializer, c_parser_initval): Call
14888	default_function_array_conversion except for string constants and
14889	compound literals.
14890	(c_parser_initelt): Call default_function_array_conversion for
14891	ObjC expression received.
14892	(c_parser_statement_after_labels): Call c_parser_expression_conv
14893	for return and expression statements.
14894	(c_parser_paren_condition, c_parser_for_statement,
14895	c_parser_conditional_expression): Call c_parser_expression_conv.
14896	(c_parser_expr_no_commas, c_parser_conditional_expression,
14897	c_parser_binary_expression, c_parser_cast_expression,
14898	c_parser_unary_expression): Call
14899	default_function_array_conversion.
14900
149012005-06-15  Diego Novillo  <dnovillo@redhat.com>
14902
14903	* tree-vrp.c (vrp_int_const_binop): Do not handle MAX_EXPR
14904	when the result overflows.
14905
149062005-06-15  David Ung  <davidu@mips.com>
14907
14908	* config/mips/mips.c (mips_rtx_cost_data): Add cost for 4kc, 4kp,
14909	24k and 24kx.
14910
149112005-06-15  Richard Sandiford  <richard@codesourcery.com>
14912
14913	* doc/invoke.texi (-mips16): Fix typo.
14914
149152005-06-15  David Ung  <davidu@mips.com>
14916
14917	* config/mips/mips.h (GENERATE_MIPS16E): New definition.
14918	* config/mips/mips.md (zero_extend<SHORT:mode><GPR:mode>2):
14919	Changed expand condition to exclude generating of "and" if
14920	GENERATE_MIPS16E is true.
14921	(*zero_extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for
14922	matching mips16e zeb/zeh.
14923	(*extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for matching
14924	mips16e seb/seh.
14925	(*extend<SHORT:mode><GPR:mode>2): Disable this pattern for
14926	GENERATE_MIPS16E.
14927	* doc/invoke.texi (MIPS Options): Add comment to -mips16
14928	indicating MIPS16e ASE is used if targetting for MIPS32 or MIPS64.
14929
149302005-06-15  Diego Novillo  <dnovillo@redhat.com>
14931
14932	PR 22018
14933	* tree-vrp.c (vrp_int_const_binop): New.
14934	(extract_range_from_binary_expr): Call it.
14935	Unify handling division and multiplication.
14936
149372005-06-15  Aldy Hernandez  <aldyh@redhat.com>
14938
14939	* c-common.h (same_scalar_type_ignoring_signedness): Protoize.
14940
14941	* c-common.c (same_scalar_type_ignoring_signedness): New.
14942
14943	* c-typeck.c (build_binary_op): Check compatability of vector
14944	types.  Move error report after switch.
14945	Do not clobber code[01] on *_DIV_EXPR case.
14946
14947	* testsuite/gcc.dg/simd-1.c: Update error messages.
14948	* testsuite/gcc.dg/simd-1b.c: Re-enable tests.  Update error
14949	messages.
14950	* testsuite/gcc.dg/simd-2.c: Update error messages.
14951	* testsuite/gcc.dg/simd-4.c: New.
14952
149532005-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
14954
14955	* Makefile.in (local-alloc.o): Depend on $(GGC_H) and reload.h.
14956	* local-alloc.c: Include "ggc.h" and "reload.h".
14957	(struct equivalence): New member is_arg_equivalence.
14958	(local_alloc): Always call update_equiv_regs.
14959	(update_equiv_regs): Allocate reg_equiv_init; set reg_equiv_init_size.
14960	Detect equivalences made by stores to memory in a second pass.
14961	Return early if not optimizing.
14962	Initialize reg_equiv_init for all equivalences; treat equivalences for
14963	REG_EQUIV notes existing before this pass specially.
14964	(no_equiv): Don't clear reg_equiv_init or remove notes if the
14965	is_arg_equivalence field is set.
14966	* reload.h (reg_equiv_init, reg_equiv_init_size): Declare.
14967	* reload1.c (reg_equiv_init): No longer static.
14968	(reg_equiv_init_size): New variable.
14969	(reload): Don't allocate reg_equiv_init; don't free it when done but
14970	clear it.
14971	Restructure equivalence set up code not to set reg_equiv_init, but to
14972	clear it when we can't use an equivalence.
14973	Undo change disabling equivalences for MEM_READONLY_P memrefs.
14974	Dump equivalencing insns to dump_file.
14975
149762005-06-14  Richard Sandiford  <richard@codesourcery.com>
14977
14978	* config/mips/mips.c (machine_function): Add varargs_size field.
14979	(mips_setup_incoming_varargs): Store the amount of extra stack space
14980	there rather than in *pretend_size.  When saving registers, always
14981	expect virtual_incoming_args_rtx to point to the start of the
14982	pretend arguments.
14983	(mips_va_start): Remove alignment hack.  Handle all
14984	!EABI_FLOAT_VARARGS_P cases in the same way.
14985	(compute_frame_size): Handle varargs_size.  Remove the redundant
14986	!TARGET_OLDABI condition in the handling of pretend_args_size.
14987	(mips_initial_elimination_offset): Remove the now-redundant check
14988	of TARGET_NEWABI.
14989
149902005-06-14  Jeff Law  <law@redhat.com>
14991
14992	* tree-vrp.c (local_fold): Remove.
14993	(simplify_using_ranges): Use fold_convert, not local_fold.  Tweak
14994	DIV/MOD case slightly for readability.
14995
149962005-06-14  Frank Ch. Eigler  <fche@redhat.com>
14997
14998	PR mudflap/21023
14999	* tree-mudflap.c (mudflap_finish_file): Exclude non-public
15000	rather than static objects (!) from libmudflap registration.
15001
150022005-06-14  Richard Sandiford  <richard@codesourcery.com>
15003
15004	* opt-functions.awk (global_state_p, needs_state_p, static_var): New.
15005	(var_ref): Take the option's flags as a second parameter.  Check
15006	static_var.
15007	* optc-gen.awk: Declare local state variables.  Pass flags to var_ref.
15008
150092005-06-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
15010
15011	PR target/20301
15012	* config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit
15013	unsigned index numbers.
15014
150152005-06-13  Geoffrey Keating  <geoffk@apple.com>
15016
15017	* Makefile.in (install-man): Doesn't really depend on installdirs.
15018	(various rules for installing manpages): Do depend on installdirs.
15019
150202005-06-14  Nathan Sidwell  <nathan@codesourcery.com>
15021
15022	* unwind-dw2-fde-darwin.c (examine_objects): Fix aliasing in
15023	read_encoded_value_with_base call.
15024	* unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise.
15025	* unwind-dw2-fde.c (_Unwind_Find_FDE): Likewise.
15026	* unwind-dw2.c (extract_cie_info): Fix aliasing in
15027	read_encoded_value call.
15028	(execute_cfa_program, uw_frame_state_for): Likewise.
15029
150302005-06-13  Roger Sayle  <roger@eyesopen.com>
15031
15032	PR rtl-optimization/22053
15033	* reg-stack.c (compensate_edge): Correct mistake in the assertion
15034	checking of EDGE_ABNORMAL_CALL edges; complex return values can
15035	result in the top two stack slots, st(0) and st(1), being live.
15036
150372005-06-13  Jeff Law  <law@redhat.com>
15038
15039	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer
15040	simplify DIV, MOD or ABS expressions using VRP information.
15041	Remove WALK_DATA parameter.  Prototype and all callers updated.
15042	(eliminate_redundant_computations): Remove WALK_DATA parameter.
15043	Prototype and all callers updated.
15044	(optimize_stmt): WALK_DATA parameter is now unused.
15045
15046	* tree-vrp.c (local_fold): New function.  Like fold, but
15047	strips useless type conversions in the result.
15048	(simplify_using_ranges): New function, largely cribbed from
15049	tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr.
15050	(vrp_finalize): Call simplify_using_ranges.
15051
150522005-06-13  Mark Mitchell  <mark@codesourcery.com>
15053
15054	* config/i386/x86-64.h (ASM_SPEC): Explicitly pass --64 to the
15055	assembler in 64-bit mode.
15056
150572005-06-13  David Edelsohn  <edelsohn@gnu.org>
15058
15059	Revert scc_operand patch.
15060	* config/rs6000/predicates.md (scc_operand): Delete.
15061	* config/rs6000/rs6000.md (scc_operand): Change to scc_eq_operand.
15062
150632005-06-13  Zdenek Dvorak  <dvorakz@suse.cz>
15064
15065	PR middle-end/21985
15066	* fold-const.c (split_address_to_core_and_offset): Always return
15067	the address of the base object.
15068
150692005-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
15070
15071	* doc/invoke.texi (Blackfin Options): Document -mlong-calls.
15072
150732005-06-12  Richard Henderson  <rth@redhat.com>
15074
15075	PR tree-opt/21994
15076	* tree-complex.c (update_complex_components_on_edge): New.
15077	(update_parameter_components): Use it.
15078	(update_phi_components): Likewise.
15079	(expand_complex_move): Likewise for is_ctrl_altering_stmt.
15080
150812005-06-12  James A. Morrison  <phython@gcc.gnu.org>
15082
15083	PR tree-optimization/14796
15084	* fold-const (fold_binary): Transform (X << C) >> C into X & (-1>>C)
15085	for unsigned types.
15086
150872005-06-12  Kazu Hirata  <kazu@codesourcery.com>
15088
15089	* cgraphunit.c, tree-ssa-loop-ivopts.c,
15090	tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h,
15091	config/sparc/sparc.c: Fix comment typos.
15092
150932005-06-12  Richard Earnshaw  <richard.earnshaw@arm.com>
15094
15095	* arm/ieee754-df.s (aeabi_dcmpeq, aeabi_dcmplt, aeabi_dcmple)
15096	(aeabi_dcmpge, aeabi_dcmpgt): Maintain 8-byte stack alignment.
15097	* arm/ieee754-sf.s (aeabi_l2f, aeabi_fcmpeq, aeabi_fcmplt)
15098	(aeabi_fcmple, aeabi_fcmpge, aeabi_fcmpgt): Likewise.
15099
151002005-06-12  James A. Morrison  <phython@gcc.gnu.org>
15101
15102	PR tree-optimization/14796
15103	* fold-const.c (fold_binary): Transform (A >> C) << C into
15104	one BIT_AND_EXPR.
15105	<shift>: Transform (A OP c1) OP c2 into A OP (c1 + c2).
15106
151072005-06-11  Geoffrey Keating  <geoffk@apple.com>
15108
15109	* config/rs6000/predicates.md (reg_or_arith_cint_operand): Delete.
15110	(reg_or_add_cint_operand): Rename from reg_or_add_cint64_operand.
15111	Handle SImode.
15112	(reg_or_sub_cint_operand): Likewise.
15113	(mask_operand): Handle DImode.
15114	(mask64_operand): Delete.
15115	(and64_operand): Delete.
15116	* config/rs6000/rs6000.c (num_insns_constant): Use mask_operand
15117	instead of mask64_operand.
15118	(print_operand): Likewise.
15119	(rs6000_rtx_costs): Use mask_operand and reg_or_add_cint_operand and
15120	reg_or_sub_cint_operand instead of *64_* variants.
15121	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Use mask_operand
15122	instead of mask64_operand.
15123	* config/rs6000/rs6000.md: Use mask_operand and and_operand instead
15124	of *64_* variants.
15125	(FP): New.
15126	(add_op2): Delete.
15127	(add<mode>3): Use reg_or_add_cint_operand.
15128	(sub_op2): Delete.
15129	(sub<mode>3): Use reg_or_sub_cint_operand.
15130	(udiv<mode>3, div<mode>3, div<mode>3_no_mq, mod<mode>3,
15131	mov<mode>_internal2, mov<mode>, cmp<mode>, cmp<mode>,
15132	cmp<mode>_internal1, indirect_jump<mode>, ctr<mode>,
15133	ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
15134	ctr<mode>_internal6, save_fpregs_<mode>, return_internal_<mode>,
15135	return_and_restore_fpregs_<mode>, eh_set_lr_<mode>,
15136	various unnamed patterns): New.
15137	(udivsi3, divsi3, divsi3_no_mq, modsi3, movsi_internal2, movsi,
15138	cmpsi, cmpsi_internal1, indirect_jumpsi, ctrsi, ctrsi_internal1,
15139	ctrsi_internal2, ctrsi_internal5, ctrsi_internal6, save_fpregs_si,
15140	return_internal_si, return_and_restore_fpregs_si, eh_set_lr_si,
15141	udivdi3, divdi3, divdi3_no_mq, moddi3, movdi_internal2, movdi,
15142	cmpdi, cmpdi_internal1, indirect_jumpdi, ctrdi, ctrdi_internal1,
15143	ctrdi_internal2, ctrdi_internal5, ctrdi_internal6, save_fpregs_di,
15144	return_internal_di, return_and_restore_fpregs_di, eh_set_lr_di,
15145	movhi, movqi, cmpsf, cmpdf, cmptf, various unnamed patterns):
15146	Delete.
15147
151482005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15149
15150	* rtl.h (to_rtx_code): Remove.
15151	* machmode.h (to_machine_mode): Likewise.
15152	* read-rtl.c (apply_mode_macro): Replace to_machine_mode with
15153	explicit cast.
15154	(apply_mode_maps): Likewise.
15155	(read_rtx_1): Likewise.
15156	(apply_code_macro): Replace to to_rtx_code with explicit cast.
15157	(check_code_macro): Likewise.
15158	(read_rtx_1): Likewise.
15159
151602005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15161
15162	* c-typeck.c (convert_for_assignment): Avoid checking
15163	OPT_Wc___compat, as it is always true.
15164
151652005-06-11  David Edelsohn  <edelsohn@gnu.org>
15166
15167	* config/rs6000/rs6000.md (eq<mode>_compare): Restrict to Pmode.
15168
151692005-06-11  Daniel Berlin  <dberlin@dberlin.org>
15170
15171	Fix PR tree-optimization/22005
15172	Fix PR tree-optimization/22025
15173
15174	* tree-ssa-structalias.c (struct variable_info): Add has_union
15175	member.
15176	(create_variable_info_for): Mark variables containing unions.
15177	Don't sort the field stack if notokay is true.
15178	(find_what_p_points_to): Convert variables containing unions back
15179	to their SFT's if necessary.
15180
151812005-06-11  Daniel Berlin  <dberlin@dberlin.org>
15182
15183	* lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step
15184	is an INTEGER_CST before calling int_cst_value.
15185
151862005-06-10  Uros Bizjak  <uros@kss-loka.si>
15187
15188	PR target/21981
15189	* config/i386/i386.c (ix86_function_value_regno_p): Return true
15190	for FIRST_MMX_REG if TARGET_MMX.
15191	(ix86_return_in_memory): Return 1 for MMX/3dNow vectors. Delete
15192	wrong comment.
15193	(ix86_struct_value_rtx): Emit warning for MMX ABI violations.
15194	(ix86_value_regno): Return FIRST_MMX_REG for MMX vector modes.
15195
151962005-06-10  Daniel Berlin  <dberlin@dberlin.org>
15197
15198	* lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
15199	and access function against chrec_dont_know.
15200
152012005-06-10  Daniel Berlin  <dberlin@dberlin.org>
15202
15203	* lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten
15204	slightly.
15205	(exit_phi_for_loop_p): New function.
15206	(can_put_in_inner_loop): Ditto.
15207	(can_convert_to_perfect_nest): Ditto.
15208	(perfect_nestify): Create iv with right type.
15209	Rewrite statements in correct order.
15210
152112005-06-10  Keith Besaw  <kbesaw@us.ibm.com>
15212
15213	* tree-ssa-alias.c (new_type_alias): Use existing type
15214	tag if VAR has just one in its may_aliases list.
15215
152162005-06-10  Fariborz Jahanian <fjahanian@apple.com>
15217
15218	* rs6000/predicates.md (scc_operand): New.
15219	* rs6000/rs6000.md : Use scc_operand for eq:SI compares.
15220
152212005-06-10  Dorit Nuzman  <dorit@il.ibm.com>
15222
15223	* tree-vect-analyze.c (vect_analyze_data_ref_dependence): DRs whose
15224	dependence-distance modulo VF is 0 are recorded in the
15225	SAME_ALIGN_REFs VEC in each DR.
15226	(vect_enhance_data_refs_alignment): Avoid 80 column overflow. The
15227	alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the
15228	DR we want to peel for, is set to 0.
15229	* tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout.
15230	* tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs
15231	VEC.
15232	* tree-vectorizer.h (dr_p): New type. Defined to use the VEC API.
15233	(_stmt_vec_info): Added new field same_align_refs.
15234	(STMT_VINFO_SAME_ALIGN_REFS): New macro.
15235
152362005-06-10  Nathan Sidwell  <nathan@codesourcery.com>
15237
15238	* vec.h (VEC_safe_grow): Append MEM_STAT_INFO.
15239
152402005-06-10  Alan Modra  <amodra@bigpond.net.au>
15241
15242	* config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
15243	* config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
15244	* config/rs6000/rs6000.c (output_function_profiler): Obey
15245	NO_PROFILE_COUNTERS.  Handle TARGET_SECURE_PLT.  Use "bcl 20,31"
15246	for -fPIC.  Delete save_lr and substitute its value into strings.
15247
152482005-06-09  Dale Johannesen  <dalej@apple.com>
15249
15250	* config/i386/i386.c (optimization_options): Make -fno-math-errno
15251	the default on Darwin.
15252	* config/rs6000/rs6000.c (optimization_options): Ditto.
15253	* doc/invoke.texi (-fno-math-errno): Document.
15254
152552005-06-09  Dale Johannesen  <dalej@apple.com>
15256
15257	* config/rs6000/rs6000.c (TARGET_INSN_VALID_WITHIN_DOLOOP):
15258	Change to TARGET_INVALID_WITHIN_DOLOOP.
15259
152602005-06-09  David Edelsohn  <edelsohn@gnu.org>
15261
15262	* config/rs6000/rs6000.md (eq): Convert to define_insn_and_split.
15263	* config/rs6000/predicates.md (scc_eq_operand): New.
15264
152652005-06-09  Kaz Kojima  <kkojima@gcc.gnu.org>
15266
15267	* config/sh/sh.md (mextr_rl): Set buffer size properly.
15268	(*mextr_lr): Likewise.
15269
152702005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15271
15272	PR c/21759
15273	* c.opt (Wc++-compat): New.
15274	* doc/invoke.texi (-Wc++-compat): Document.
15275	* c-typeck.c (convert_for_assignment): Check for implicit
15276	conversion void* -> T*.
15277
152782005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.edu>
15279
15280	* machmode.h (to_machine_mode): New.
15281	* rtl.h (to_rtx_code): Likewise.
15282	* read-rtl.c (apply_mode_macro): Convert mode to machine_mode.
15283	(print_c_condition): Convert return value of htab_find().
15284	(apply_code_macro): Add explicit cast when convertin to enums.
15285	(apply_mode_maps): Likewise.
15286	(check_code_macro): Likewise.
15287	(read_rtx_1): Likewise.
15288
152892005-06-09  Richard Henderson  <rth@redhat.com>
15290
15291	* config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE.
15292	Use SCALAR_FLOAT_MODE_P.
15293	* config/ia64/vect.md (vcondv2sf): Remove code check on comparison.
15294	(fselect): Rename from fpcmp; use %F.
15295	(fpcmp): New.
15296
152972005-06-09  Jan Hubicka  <jh@suse.cz>
15298
15299	* cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
15300	local statics when doing unit-at-a-time.
15301	(cgraph_varpool_assemble_pending_decls): Output debug info.
15302	* dwarf2out.c (decls_for_scope): Skip local statics.
15303	(dwarf2out_decl): Handle local statics.
15304	* passes.c (rest_of_decl_compilation): Do not differentiate
15305	local and global statics in unit-at-a-time.
15306	* tree-inline.c (remap_decls): Put local static into
15307	unexpanded_vars_list rather than introducing duplicated VAR_DECL
15308	node.
15309
153102005-06-09  Daniel Berlin  <dberlin@dberlin.org>
15311
15312	* config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix
15313	prototype.
15314
153152005-06-08  Daniel Berlin  <dberlin@dberlin.org>
15316
15317	* Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
15318	* tree-flow.h (find_what_p_points_to): Add prototype.
15319	(push_fields_onto_fieldstack): Ditto.
15320	(sort_fieldstack): Ditto.
15321	* tree-optimize.c (init_tree_optimization_passes): Add
15322	pass_build_pta and pass_del_pta.
15323	* tree-pass.h (pass_build_pta): New structure.
15324	(pass_del_pta): Ditto.
15325	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
15326	using new alias analyzer.
15327	(push_fields_onto_fieldstack): Removed from here.
15328	(bitpos_of_field): Ditto.
15329	(fieldoff_compare): Ditto.
15330	* tree-ssa-structalias.c: New file.
15331	* tree-ssa-structalias.h: Ditto.
15332
153332005-06-09  Nathan Sidwell  <nathan@codesourcery.com>
15334
15335	* c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF
15336	too.
15337
153382005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
15339
15340	* config/bfin/bfin.c (enum bfin_builtins): Moved here from...
15341	* config/bfin/bfin.h (enum bfin_builtins): ... here.
15342
153432005-06-09  Adrian Straetling  <straetling@de.ibm.com>
15344
15345	* target.h (insn_valid_within_doloop): Rename into
15346	"invalid_within_doloop".  Change return type to "const char *".
15347	Update Comment.
15348	* targhooks.h (default_insn_valid_within_doloop): Rename into
15349	"default_invalid_within_doloop".
15350	* targhooks.c (default_insn_valid_within_doloop): Likewise.
15351	Update Comment.
15352	* target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook
15353	into "TARGET_INVALID_WITHIN_DOLOOP". Default it to
15354	"default_invalid_within_doloop".
15355	* hooks.c (hook_constcharptr_rtx_null): New function.
15356	(hook_bool_rtx_true): Remove.
15357	* hooks.h (hook_constcharptr_rtx_null): Declare.
15358	(hook_bool_rtx_true): Remove.
15359	* loop-doloop.c (doloop_valid_p): Temporarily store return value of
15360	"invalid_within_doloop" and print error message if non-null.
15361	Update Comment.
15362	* doc/tm.texi: Update documentation.
15363	* config/s390/s390.c: Adjust to new hook name and new default hook.
15364	* config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename
15365	into "rs6000_invalid_within_doloop".
15366	(rs6000_invalid_within_doloop): Change return type to "static const
15367	char *" and replace return values.  Update Comment.
15368
153692005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
15370
15371	* config/bfin/bfin.opt (mlong-calls): New.
15372	* config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF
15373	if TARGET_LONG_CALLS.
15374
153752005-06-09  Richard Henderson  <rth@redhat.com>
15376
15377	PR tree-opt/20610
15378	* tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
15379	(struct tree_decl): Add gimple_reg_flag.
15380	* integrate.c (copy_decl_for_inlining): Copy it.
15381	* gimplify.c (internal_get_tmp_var): Set it.
15382	(gimplify_bind_expr): Likewise.
15383	(gimplify_function_tree): Likewise.
15384	(gimplify_modify_expr_complex_part): New.
15385	(gimplify_modify_expr): Use it.
15386	* tree-gimple.c (is_gimple_reg_type): Allow complex.
15387	(is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set.
15388
15389	* tree-complex.c (complex_lattice_t): New.
15390	(complex_lattice_values, complex_variable_components): New.
15391	(some_nonzerop, find_lattice_value, is_complex_reg,
15392	init_parameter_lattice_values, init_dont_simulate_again,
15393	complex_visit_stmt, complex_visit_phi, create_components,
15394	update_complex_components, update_parameter_components,
15395	update_phi_components, update_all_vops, expand_complex_move): New.
15396	(extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF,
15397	SSA_NAME.
15398	(update_complex_assignment): Use update_complex_components;
15399	handle updates of return_expr properly.
15400	(expand_complex_addition): Use complex lattice values.
15401	(expand_complex_multiplication): Likewise.
15402	(expand_complex_division): Likewise.
15403	(expand_complex_libcall): Use update_complex_components.
15404	(expand_complex_comparison): Use update_stmt.
15405	(expand_complex_operations_1): Use expand_complex_move, retrieve
15406	lattice values.
15407	(tree_lower_complex): Compute lattice values.
15408	(tree_lower_complex_O0): Duplicate from tree_lower_complex.
15409	(pass_lower_complex_O0): Rename from pass_lower_complex.
15410	(pass_lower_complex, gate_no_optimization): New.
15411	* tree-optimize.c (init_tree_optimization_passes): Update for
15412	complex pass changes.
15413	* tree-pass.h (pass_lower_complex_O0): Declare.
15414
154152005-06-08  Dale Johannesen  <dalej@apple.com>
15416
15417	* config/darwin.c (darwin_binds_local_p): New.
15418	* config/darwin-protos.h (darwin_binds_local_p): Declare it.
15419	* config/i386/i386.c (TARGET_BINDS_LOCAL_P): Use it for TARGET_MACHO.
15420	* config/rs6000/rs6000.c (rs6000_binds_local_p): Remove.
15421	(TARGET_BINDS_LOCAL_P): Change it to darwin_binds_local_p.
15422
154232005-06-08  Aldy Hernandez  <aldyh@redhat.com>
15424
15425	* config/rs6000/rs6000.h: Remove rs6000_long_double_size_string,
15426	rs6000_isel, rs6000_spe, rs6000_alignment_string,
15427	rs6000_sched_restricted_insns_priority_str,
15428	rs6000_sched_restricted_insns_priority, rs6000_abi_string.
15429
154302005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
15431
15432	* tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER
15433	instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters.
15434	* tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost,
15435	multiplier_allowed_in_address_p, get_address_cost): Ditto.
15436
154372005-06-08  Richard Henderson  <rth@redhat.com>
15438
15439	* config/ia64/ia64.h (NO_PROFILE_COUNTERS): New.
15440	* config/ia64/ia64.c (ia64_output_function_profiler): Honor it.
15441	Emit out3 load right after alloc.
15442
154432005-06-08  Aldy Hernandez  <aldyh@redhat.com>
15444
15445	* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
15446	rs6000_explicit_options.
15447
154482005-06-08  Richard Henderson  <rth@redhat.com>
15449
15450	* config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ...
15451	* config/ia64/ia64.c (ia64_output_function_profiler): ... here; add
15452	unwind markup.
15453	* config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare.
15454
154552005-06-08  Joseph S. Myers  <joseph@codesourcery.com>
15456
15457	* config/sol2-c.c (cmn_err_char_table): Allow width for %b
15458	formats.
15459
154602005-06-08  James A. Morrison  <phython@gcc.gnu.org>
15461
15462	PR target/20666
15463	* config/sparc/sparc.c (sparc_fold_builtin): New function
15464	(sparc_vis_mul8x16): New function.
15465	(sparc_handle_vis_mul8x16): New function.
15466	(TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin.
15467
154682005-06-08  David Edelsohn  <edelsohn@gnu.org>
15469
15470	* config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer
15471	CTR to LR.
15472	(call_indirect_nonlocal_aix64): Same.
15473	(call_value_indirect_nonlocal_aix32): Same.
15474	(call_value_indirect_nonlocal_aix64): Same.
15475
15476	PR target/10588
15477	(eq): Use CLZ splitter for compare with zero.
15478
154792005-06-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15480
15481	* config/bfin/bfin.c (bfin_return_in_memory): Simplify; return
15482	everything larger than 8 bytes in memory.
15483
15484	* config/bfin/bfin.h (enum bfin_builtins): New.
15485	* config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC):
15486	New constants.
15487	(csync, ssync): New insn patterns.
15488	* config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin):
15489	New functions.
15490	(def_builtin): New macro.
15491	(TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
15492
15493	From Jie Zhang  <jie.zhang@analog.com>
15494	* config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the
15495	behavior of the native assembler in VDSP. So change accordingly.
15496
154972005-06-08  Sebastian Pop  <pop@cri.ensmp.fr>
15498
15499	* tree-data-ref.c (compute_estimated_nb_iterations,
15500	analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
15501	analyze_subscript_affine_affine, find_data_references_in_loop):
15502	Fixed to use chrec_contains_undetermined to test the values of
15503	loop->estimated_nb_iterations.
15504	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
15505	Compute the estimation only when loop->estimated_nb_iterations
15506	has not yet been initialized.
15507	(convert_step_widening, scev_probably_wraps_p): Add a call to
15508	estimate_numbers_of_iterations_loop.
15509	* tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.
15510
155112005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15512
15513	PR debug/21946
15514	* dwarf2out.c (add_loc_descr_op_piece): Move to the
15515	DWARF2_DEBUGGING_INFO section.
15516
155172005-06-08  Richard Henderson  <rth@redhat.com>
15518
15519	PR target/21721
15520	* config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.
15521
155222005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15523
15524	PR target/21889
15525	* target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
15526	* target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
15527	(TARGET_ASM_OUT): Add it.
15528	* doc/tm.texi (Debugging Info): Document it.
15529	* dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
15530	Test it instead of ASM_OUTPUT_DWARF_DTPREL.
15531	(loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
15532	* system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
15533	* config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
15534	* config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
15535	(gen_inlined_tls_plt): Remove unused variable MEM.
15536	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
15537	* config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
15538	* config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
15539	* config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
15540	unused.
15541	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
15542	* config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
15543	* config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
15544	* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
15545	unused.
15546	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
15547	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
15548	* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
15549	* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
15550	unused.
15551	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
15552	* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
15553	* config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
15554	* config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
15555	unused.
15556	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
15557	* config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
15558	* config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
15559	(TARGET_GNU_TLS): Define to 1.
15560	* config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
15561	* config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
15562	unused.
15563	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
15564	if TARGET_GNU_TLS only.
15565	* config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
15566
15567	* config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
15568	(sparc-*-solaris2*): Likewise on Solaris 7 and up.
15569
155702005-06-07  Dale Johannesen  <dalej@apple.com>
15571
15572	* config/i386/i386.md (movqi_1): Fix case where source
15573	is memory and destination EDI.
15574
155752005-06-08  Kazu Hirata  <kazu@codesourcery.com>
15576
15577	* config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand.
15578
155792005-06-07  Eric Christopher  <echristo@redhat.com>
15580
15581	* system.h: Poison EXTRA_CC_MODES.
15582	* config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
15583	* config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
15584	* doc/md.texi (Jump Patterns): Replace reference to
15585	EXTRA_CC_MODES with machine-modes.def.
15586	* doc/rtl.texi (Machine Modes): Ditto.
15587
155882005-06-07  Richard Henderson  <rth@redhat.com>
15589
15590	* varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
15591	(assemble_start_function): Fix strcmp confusion.
15592
155932005-06-07  Uros Bizjak  <uros@kss-loka.si>
15594
15595	* config/i386/i386.h (enum ix86_entity): New.
15596	(enum ix86_stack_slot): New.
15597	(OPTIMIZE_MODE_SWITCHING): Redefine to use
15598	ix86_optimize_mode_switching[] array.
15599	(NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
15600	(MODE_NEEDED): Use ix86_mode_needed() function.
15601	(EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
15602	function.
15603	(struct machine_function): Use optimize_mode_switching[] array.
15604
15605	* config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
15606	(ix86_mode_needed): New function.
15607	(emit_i387_cw_initialization): Cleanup. Use mode to calculate
15608	correct stack positions for stored control words.
15609	(assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
15610	(ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
15611	SLOT_TEMP.
15612	[IX86_BUILTIN_STMXCSR]: Same.
15613
15614	* config/i386/i386-protos.h (assign_stack_local): Change prototype.
15615	(emit_i387_cw_initialization): Change prototype.
15616	(ix86_mode_needed): New prototype.
15617
15618	* config/i386/i386.md (i387_cw attribute): Change order of elements.
15619	(truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
15620	(*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
15621	(*fist<mode>2_ceil_1): Change constant in call to
15622	assign_386_stack_local to SLOT_TEMP.
15623	(*fix_trunc<mode>_i387_1): Change constant in call to
15624	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
15625	Use new ix86_optimize_mode_switching[] array.
15626	(frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
15627	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
15628	Use new ix86_optimize_mode_switching[] array.
15629	(frndintxf2_ceil, *fist<mode>2_ceil_1): Change constants in call to
15630	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
15631	Use new ix86_optimize_mode_switching[] array.
15632	(frndintxf2_trunc): Change constants in call to
15633	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
15634	Use new ix86_optimize_mode_switching[] array.
15635	(frndintxf2_mask_pm): Change constants in call to
15636	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
15637	Use new ix86_optimize_mode_switching[] array.
15638
15639	(define_peephole2): Change constant from 17 to FLAGS_REG;
15640
156412005-06-07  Richard Henderson  <rth@redhat.com>
15642
15643	PR rtl-opt/21528
15644	* rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.
15645
156462005-06-07  Dale Johannesen  <dalej@apple.com>
15647
15648	* tree-nested.c (finalize_nesting_tree_1): Disable
15649	warn_padded around layout_type call.
15650
156512005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
15652
15653	* tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
15654	before emiting it.
15655
156562005-06-07  Eric Christopher  <echristo@redhat.com>
15657
15658	* config/mips/predicates.md: Revert previous patch.
15659
156602005-06-07  Jakub Jelinek  <jakub@redhat.com>
15661
15662	PR middle-end/21850
15663	* tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
15664	from vector types.
15665
156662005-06-07  Diego Novillo  <dnovillo@redhat.com>
15667
15668	* tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
15669	(thread_stats): New local variable.
15670	(redirect_edges): Increment count of threaded edges.
15671	(thread_through_all_blocks): Initialize thread_stats.
15672	Display number of threaded jumps if TDF_STATS is enabled.
15673
156742005-06-07  Kazu Hirata  <kazu@codesourcery.com>
15675
15676	* sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
15677	the current bit index with no modulo.
15678
156792005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>
15680
15681	PR 18403 and meta PR 21861.
15682	* Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
15683	* tree-chrec.c: Include cfgloop.h and tree-flow.h.
15684	(evolution_function_is_invariant_rec_p,
15685	evolution_function_is_invariant_p): New.
15686	(chrec_convert): Use an extra parameter AT_STMT for refining the
15687	information that is passed down to convert_step.  Integrate the
15688	code that was in count_ev_in_wider_type.
15689	* tree-chrec.h (count_ev_in_wider_type): Removed.
15690	(chrec_convert): Modify its declaration.
15691	(evolution_function_is_invariant_p): Declared.
15692	(evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
15693	* tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
15694	(scev_probably_wraps_p): Declared.
15695	* tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
15696	(follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
15697	Use an extra parameter AT_STMT for refining the information that is
15698	passed down to convert_step.
15699	(follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
15700	analyze_scalar_evolution_1): Initialize AT_STMT with the current
15701	analyzed statement.
15702	(instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
15703	* tree-ssa-loop-ivopts.c (idx_find_step): Update the use of
15704	can_count_iv_in_wider_type to use convert_step.
15705	* tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move
15706	code that is independent of the loop over the known iteration
15707	bounds to convert_step_widening, the rest is moved to
15708	proved_non_wrapping_p.
15709	(scev_probably_wraps_p): New.
15710	(can_count_iv_in_wider_type): Renamed convert_step.
15711	* tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
15712	Use scev_probably_wraps_p for computing init_is_max.
15713	(vrp_visit_assignment): Pass the current analyzed statement to
15714	adjust_range_with_scev.
15715	(execute_vrp): Call estimate_numbers_of_iterations for refining the
15716	information provided by scev analyzer.
15717
157182005-06-07  Eric Christopher  <echristo@redhat.com>
15719
15720	* config/mips/predicates.md (sleu_operand): Use
15721	IN_RANGE to specify range of operand.
15722
157232005-06-07  Steven Bosscher  <stevenb@suse.de>
15724
15725	PR tree-optimization/21847
15726	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
15727	-fnon-call-exceptions, also mark statements inherently
15728	necessary if they may throw.
15729
157302005-06-07  Adrian Straetling  <straetling@de.ibm.com>
15731
15732	* config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
15733	("type"): Add "sem" to 'type' attribute.
15734	("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
15735	"sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
15736	"sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
15737	"*sync_compare_and_swap_ccsi"): New patterns.
15738	* config/s390/2064.md: ("z_sem"): New insn_reservation.
15739	* config/s390/2084.md: ("x_sem"): New insn_reservation.
15740	* config/s390/s390.c: (s390_compare_emitted): New global variable.
15741	(s390_emit_compare): Do not emit comparison again after cas.
15742	* config/s390/s390.h (s390_compare_emitted): Declare.
15743
157442005-06-07  Kazu Hirata  <kazu@codesourcery.com>
15745
15746	* sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
15747	sbitmap_iter_cond, sbitmap_iter_next): New.
15748	* bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
15749	modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
15750	tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
15751	uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
15752
157532005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
15754
15755	* tree-ssa-address.c: New file.
15756	* Makefile.in (tree-ssa-address.o): Add.
15757	* expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
15758	INDIRECT_REFs.  Handle TARGET_MEM_REFs.
15759	* tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
15760	* tree-flow.h (struct mem_address): New.
15761	(struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
15762	(create_mem_ref, addr_for_mem_ref, get_address_description,
15763	maybe_fold_tmr, multiplier_allowed_in_address_p,
15764	multiply_by_cost): Declare.
15765	* tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
15766	* tree-pretty-print.c (dump_generic_node): Ditto.
15767	* tree-ssa-loop-im.c (for_each_index): Ditto.
15768	* tree-ssa-loop-ivopts.c (may_be_unaligned_p,
15769	find_interesting_uses_address): Ditto.
15770	(rewrite_address_base, build_addr_strip_iref): Removed.
15771	(struct affine_tree_combination): Moved to tree-flow.h.
15772	(get_ref_tag, copy_ref_info): New functions.
15773	(rewrite_use_address): Produce TARGET_MEM_REFs.
15774	(tree_ssa_iv_optimize): Do not call update_ssa
15775	and rewrite_into_loop_closed_ssa.
15776	(tree_to_aff_combination): Use build_fold_addr_expr instead of
15777	build_addr_strip_iref.
15778	(unshare_aff_combination): New function.
15779	(fold_affine_sum): Removed.
15780	(get_computation_at): Use get_computation_aff.  Unshare the result.
15781	(get_computation_aff, multiplier_allowed_in_address_p): New function.
15782	(multiply_by_cost): Exported.
15783	(get_address_cost): Use multiplier_allowed_in_address_p.
15784	* tree-ssa-operands.c (get_tmr_operands): New function.
15785	(get_expr_operands): Handle TARGET_MEM_REFs.
15786	* tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
15787	(build): Handle 7 arguments.
15788	(build7_stat): New function.
15789	* tree.def (TARGET_MEM_DEF): New.
15790	* tree.h (REF_ORIGINAL): Removed.
15791	(TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
15792	TMR_TAG, build7): New macros.
15793	(build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
15794	* tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
15795	* doc/c-tree.texi: Document TARGET_MEM_REF.
15796	* doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.
15797
157982005-06-07  Jakub Jelinek  <jakub@redhat.com>
15799
15800	PR debug/21946
15801	* dwarf2out.c (add_loc_descr_op_piece): New function.
15802	(multiple_reg_loc_descriptor, concat_loc_descriptor,
15803	loc_descriptor): Use it.
15804	* var-tracking.c: Include regs.h and expr.h.
15805	(emit_note_insn_var_location): Skip over pieces where offset
15806	is smaller than previous offset plus previous piece mode size.
15807	Optimize adjacent hard registers or memory locations.
15808	* Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).
15809
158102005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
15811
15812	* c-typeck.c (c_finish_if_stmt): Use void_type_node as type
15813	for COND_EXPR.
15814	* gimplify.c (gimplify_cond_expr): No need to fix up the
15815	type of COND_EXPRs.
15816
158172005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
15818
15819	* tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
15820	comments.
15821
158222005-06-07  Geoffrey Keating  <geoffk@apple.com>
15823
15824	* config/rs6000/host-darwin.c (segv_handler): Widen the possible
15825	'stwux' instructions that are considered to be stack decrements.
15826
15827	* rtlanal.c (subreg_offset_representable_p): Handle objects
15828	with holes.
15829
158302005-06-06  Uros Bizjak  <uros@kss-loka.si>
15831
15832	* mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
15833	in call to pre_edge_lcm.
15834
158352005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>
15836
15837	* config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
15838	(SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
15839	(SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
15840	Likewise.
15841	(SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
15842	dwarf register number for SHmedia.
15843	(shmedia_fallback_frame_state): New.
15844	(MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
15845
15846	* config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
15847
158482005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15849
15850	* c-lex.c (lex_string): Use XOBFINISH.
15851	* collect2.c (extract_string, dump_file): Likewise.
15852	* dbxout.c (dbxout_finish_complex_stabs): Likewise.
15853	* gcc.c (init_spec, build_search_list, convert_filename,
15854	set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
15855	* genpreds.c (write_predicate_subfunction): Likewise.
15856	* genflags.c (main): Likewise.
15857	* read-rtl.c (mode_attr_index, apply_macro_to_string,
15858	join_c_conditions, read_quoted_string, read_braced_string,
15859	read_rtx_1): Likewise.
15860	* stringpool.c (ggc_alloc_string): Likewise.
15861	* tlink.c (obstack_fgets, recompile_files): Likewise.
15862
158632005-06-06  Jakub Jelinek  <jakub@redhat.com>
15864
15865	* intl.h (G_): New macro.
15866	* rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
15867	instead of msgid for argument name.
15868	* tree-ssa.c (warn_uninit): Likewise.
15869	* c-parser.c (c_parser_error): Likewise.
15870	* config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
15871	* config/darwin-c.c (BAD): Likewise.
15872	* config/c4x/c4x-c.c (BAD): Likewise.
15873	* c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
15874	* c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
15875	* c-common.c (c_parse_error): Likewise.
15876	* diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
15877	warning0, pedwarn, error, sorry, fatal_error, internal_error):
15878	Likewise.
15879	(fnotice): Use cmsgid instead of msgid for argument name.
15880	* gcov.c (fnotice): Likewise.
15881	* protoize.c (notice): Likewise.
15882	* final.c (output_operand_lossage): Likewise.
15883	* gcc.c (fatal, notice): Likewise.
15884	(error): Use gmsgid instead of msgid for argument name.
15885	* collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
15886	of msgid for argument name.
15887	(error): Use gmsgid instead of msgid for argument name.
15888	* c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
15889	instead of N_().
15890	* c-typeck.c (readonly_error, convert_for_assignment): Likewise.
15891	* tree-inline.c (inline_forbidden_p_1): Likewise.
15892	* ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
15893	conventions for marking translations.
15894	* doc/install.texi: Mention gettext 0.14.5 or later requirement.
15895
15896	* tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
15897	build2.
15898
15899	* fold-const.c (operand_equal_p): Don't return 1, if element
15900	chains for 2 VECTOR_CSTs are not the same length.
15901
15902	PR regression/21897
15903	* fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
15904	not all VECTOR_CST elements are given.
15905
15906	* combine.c (try_combine): Use hard_regno_nregs array instead of
15907	HARD_REGNO_NREGS macro.
15908	* config/rs6000/rs6000.c (rs6000_split_multireg_move,
15909	rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
15910	* config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
15911
159122005-06-06  Daniel Berlin  <dberlin@dberlin.org>
15913
15914	* tree-ssa-reassoc.o: New.
15915	(OBJS-common): Add tree-ssa-reassoc.o
15916	* timevar.def: Add TV_TREE_REASSOC
15917	* tree-optimize.c (pass_reassoc): Add call.
15918	* tree-pass.h (pass_reassoc): Add.
15919	* tree-ssa-reassoc.c: New file.
15920
159212005-06-06  Eric Christopher  <echristo@redhat.com>
15922
15923	target/21927
15924	* expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.
15925
159262005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
15927
15928	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
15929	HAVE_GAS_MAX_SKIP_P2ALIGN.
15930	(HAVE_AS_DWARF2_DEBUG_LINE): Remove.
15931
159322005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
15933
15934	* Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
15935	getopt.h dependency.
15936	(mips-tdump.o): Likewise.
15937
159382005-06-06  Jan Hubicka  <jh@suse.cz>
15939
15940	* predict.c (tree_predict_edge): Don't drop useless predictions;
15941	check that it is not called too late in the game.
15942	(gate_estimate_probability): New gate.
15943	(pass_profile): Gate.
15944	* tree-mudflap.c (mf_build_check_statement_for): Do not drop
15945	predictions; update CFG instead.
15946	* cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.
15947
159482005-06-06  Jie Zhang  <jie.zhang@analog.com>
15949
15950	* config.gcc (bfin*-uclinux*): New.
15951	* config/bfin/uclinux.h: New file.
15952
159532005-06-06  Ben Elliston  <bje@au.ibm.com>
15954
15955	* doc/md.texi (Insn Splitting): Fix some wording.
15956
159572005-06-05  David Edelsohn  <edelsohn@gnu.org>
15958
15959	* config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
15960	(rs6000_emit_swdivdf): New function.
15961	* config/rs6000/rs6000.md (fres): New pattern.
15962	(divsf3): Add approximation through rs6000_emit_swdivsf.
15963	(fred): New pattern.
15964	(divdf3): Add approximation through rs6000_emit_swdivdf.
15965	* config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
15966	(rs6000_emit_swdivdf): Declare.
15967	* config/rs6000/rs6000.opt (mswdiv): New option.
15968	* doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.
15969
159702005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>
15971
15972	PR tree-optimization/21846
15973	* tree-cfg.c (replace_uses_by): Update information stored at loops.
15974	* tree-flow.h (substitute_in_loop_info): Declare.
15975	* tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
15976	Ensure that chrec_dont_know and chrec_known have a type.
15977	* tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
15978
159792005-06-05  Steven Bosscher  <stevenb@suse.de>
15980
15981	* config/i386/i386.c (x86_use_loop): Remove.
15982	* config/i386/i386.h (x86_use_loop): Remove extern decl.
15983	(TARGET_USE_LOOP): Remove.
15984	* config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
15985	Also remove related define_splits.
15986
159872005-06-05  Dorit Nuzman  <dorit@il.ibm.com>
15988
15989	* tree-flow.h (stmt_ann_d): Move aux to ...
15990	(tree_ann_common_d): ... here.
15991	* tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
15992	move_computations_stmt, schedule_sm): Update references to
15993	aux.
15994	* tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
15995	* tree-vect-transform.c (vect_create_index_for_vector_ref): Update
15996	call to set_stmt_info.
15997	(vect_transform_loop): Likewise.
15998	* tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
15999	Likewise.
16000
16001	* tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
16002	bool.
16003	(vect_mark_relevant): Takes two additional arguments - live_p and
16004	relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
16005	(vect_stmt_relevant_p): Differentiate between a live stmt and a
16006	relevant stmt. Return two values = live_p and relevant_p.
16007	(vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
16008	vect_stmt_relevant_p with additional arguments. Phis are no longer
16009	put into the worklist (analyzed seperately in analyze_scalar_cycles).
16010	(vect_determine_vectorization_factor): Also check for LIVE_P, because a
16011	stmt that is marked as irrelevant and live, cause it's only used out
16012	side the loop, may need to be vectorized (e.g. reduction).
16013	(vect_analyze_operations): Examine phis. Call
16014	vectorizable_live_operation for for LIVE_P stmts. Check if
16015	need_to_vectorize.
16016	(vect_analyze_scalar_cycles): Update documentation. Don't fail
16017	vectorization - just classify the scalar cycles created by the loop
16018	phis. Call vect_is_simple_reduction.
16019	(vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
16020	* tree-vect-transform.c (vect_create_index_for_vector_ref): Update
16021	call to set_stmt_info.
16022	(vect_get_vec_def_for_operand): Code reorganized - the code that
16023	classifies the type of use was factored out to vect_is_simple_use.
16024	(vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
16025	additional arguments.
16026	(vectorizable_assignment): Likewise. Also make sure the stmt is relevant
16027	and computes a loop_vec_def.
16028	(vectorizable_operation, vectorizable_load, vectorizable_condition):
16029	Likewise.
16030	(vectorizable_live_operation): New.
16031	(vect_transform_stmt): Handle LIVE_P stmts.
16032	* tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
16033	STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
16034	(new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
16035	(vect_is_simple_use): Determine the type of the def and return it
16036	in a new function argument. Consider vect_reduction_def and
16037	vect_induction_def, but for now these are not supported.
16038	(vect_is_simple_reduction): New. Empty for now.
16039	* tree-vectorizer.h (vect_def_type): New enum type.
16040	(_stmt_vec_info): Added new fields - live and _stmt_vec_info.
16041	(STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
16042	(vect_is_simple_use): New arguments added to function declaration.
16043	(vect_is_simple_reduction): New function declaration.
16044	(vectorizable_live_operation): New function declaration.
16045
16046	* tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
16047	(vect_can_advance_ivs_p): Likewise.
16048	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.
16049
160502005-06-05  Eric Christopher  <echristo@redhat.com>
16051
16052	* config/mips/mips.c (mips_rtx_costs): Remove unused variable.
16053
160542005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>
16055
16056	PR target/21914
16057	* config/mmix/mmix.md ("*movdicc_real_foldable")
16058	("*movdfcc_real_foldable", "*bCC_foldable")
16059	("*bCC_inverted_foldable"): Specify DImode for register being
16060	compared.
16061
160622005-06-04  Roger Sayle  <roger@eyesopen.com>
16063
16064	* reg-stack.c (struct block_info_def): Correct grammar typo.
16065	(compensate_edge): Clean-up.  Perform as little work as possible
16066	when src and dest stacks match.  Avoid modifying block_info.
16067	Reorder and simplify assertion checks.  Avoid unnecessary copying
16068	of regstack structure.
16069	(convert_regs_1): Set the done flag here...
16070	(convert_regs_2): ... instead of here.
16071
160722005-06-04  Dale Johannesen  <dalej@apple.com>
16073
16074	* config/rs6000/rs6000.c (no_global_regs_above): New.
16075	(rs6000_emit_prologue): Use it; cosmetic formatting fixes.
16076	(rs6000_emit_epilogue): Use it; cosmetic formatting fixes.
16077	(rs6000_conditional_register_usage): Don't put Darwin PIC
16078	register in global_regs.
16079	(rs6000_stack_info): Don't set lr_save_p just because Darwin
16080	PIC reg used.
16081	(rs6000_emit_prologue): Save LR in R0 around Darwin PIC setup,
16082	if not done by lr_save_p.
16083	* config/rs6000/rs6000.md (insnv1_internal1): Back out 05-18 patch.
16084	Use rotate instead of ashift.
16085	(call_indirect_nonlocal_sysv): Prefer CTR to LR.
16086	(call_value_indirect_nonlocal_sysv): Ditto.
16087
160882005-06-04  Jan Hubicka  <jh@suse.cz>
16089
16090	* cgraphunit.c (cgraph_reset_node): Break out from ...
16091	(cgraph_finalize_function): ... here.
16092	(cgraph_finalize_compilation_unit): Reset nodes where backend
16093	removed the body.
16094
160952005-06-04  Richard Henderson  <rth@redhat.com>
16096
16097	PR target/21888
16098	* config/alpha/alpha.c (alpha_align_insns): Don't insert nops
16099	until we've passed initial ldgp.
16100
161012005-06-04  Daniel Berlin  <dberlin@dberlin.org>
16102
16103	* cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
16104	* dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
16105	* expr.c (expand_var): Ditto.
16106	* function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
16107	* gimplify.c (gimplify_decl_expr): Ditto.
16108	(gimplify_expr): Ditto.
16109	* tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
16110	* tree.c (value_expr_for_decl): New.
16111	(print_value_expr_statistics): New.
16112	(init_ttree): Init value_expr_for_decl.
16113	(decl_value_expr_lookup): New.
16114	(decl_value_expr_insert): Ditto.
16115	(copy_node_stat): Copy DECL_VALUE_EXPR status.
16116	* tree.h (DECL_VALUE_EXPR): Use hashtable.
16117	(SET_DECL_VALUE_EXPR): New.
16118	(DECL_HAS_VALUE_EXPR_P): New.
16119
161202005-06-04  Steven Bosscher  <stevenb@suse.de>
16121
16122	* lcm.c: Move all mode-switching related functions from here...
16123	* mode-switching.c: ...to this new file.
16124	* doc/passes.texi: Update accordingly.
16125
16126	* basic-block.h (label_value_list): Remove extern decl.
16127	* cfgrtl.c (label_value_list): Remove.
16128	(can_delete_label_p): Don't look at it.
16129	* cfgcleanup.c (cleanup_cfg): Don't free it.
16130
16131	* common.opt: Don't refer to non-existing flag_alias_check.
16132
161332005-06-04  David Edelsohn  <edelsohn@gnu.org>
16134
16135	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.
16136
161372005-06-04  Kazu Hirata  <kazu@codesourcery.com>
16138
16139	* function.c (prologue, epilogue, sibcall_epilogue): Change
16140	their types to VEC(int,heap)*.
16141	(free_after_compilation): Free the three vectors above.
16142	(init_function_for_compilation, record_insns, contains,
16143	prologue_epilogue_contains, sibcall_epilogue_contains,
16144	reposition_prologue_and_epilogue_notes): Use VEC instead of
16145	VARRAY.  (init_function_once): Remove.
16146	* function.h: Remove the prototype for init_function_once.
16147	* toplev.c (backend_init): Don't call init_function_once.
16148
161492005-06-04  Jan Hubicka  <jh@suse.cz>
16150
16151	* predict.c (tree_predict_edge): Do not predict entry edge and
16152	single succestor edge.
16153
161542005-06-04  Joseph S. Myers  <joseph@codesourcery.com>
16155
16156	PR c/21873
16157	* c-typeck.c (push_init_level): Don't pop levels without braces if
16158	implicit == 1.
16159
161602005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
16161
16162	* tree-data-ref.c (compute_self_dependence): New function.
16163	(compute_all_dependences): Use it.
16164
161652005-06-03  Geoffrey Keating  <geoffk@apple.com>
16166
16167	* c-parser.c (c_parser_parms_declarator): Don't use chainon().
16168	(c_parser_expr_list): Don't use chainon().
16169
16170	* config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
16171	when -isysroot passed.
16172
161732005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
16174
16175	PR c/21879
16176	* c-decl.c (start_function): Restore label_context_stack_se and
16177	label_context_stack_vm  if returning with an error.
16178
161792005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
16180
16181	* configure.ac: Check declaration for asprintf, needed by
16182	libiberty.h.
16183	* configure: Regenerate.
16184	* config.in: Likewise.
16185
161862005-06-03  Diego Novillo  <dnovillo@redhat.com>
16187
16188	* tree-ssa-dom.c (record_edge_info): Use last_basic_block to
16189	allocate info array.
16190	* tree-vrp.c (extract_range_from_unary_expr): Set resulting
16191	range to varying in cast expressions that change
16192	TYPE_PRECISION.
16193
161942005-06-03  Eric Christopher  <echristo@redhat.com>
16195
16196	* config/mips/mips.opt: Add RejectNegative to divide-breaks and
16197	divide-traps.
16198
161992005-06-03  Jan Hubicka  <jh@suse.cz>
16200
16201	* basic-block.h (remove_predictions_associated_with_edge): Declare.
16202	* cfg.c (remove_edge): Use it.
16203	* predict.c (remove_predictions_associated_with_edge): New function.
16204
162052005-06-03  Pat Haugen  <pthaugen@us.ibm.com>
16206
16207	* config/rs6000/rs6000.c (rs6000_conditional_register_usage):
16208	Clear call_realy_used_regs[r2] when ABI_AIX.
16209
162102005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>
16211
16212	PR middle-end/21858
16213	* fold-const.c (fold_binary): Fix type mismatches in folding
16214	of comparisons.
16215
162162005-06-03  Kazu Hirata  <kazu@codesourcery.com>
16217
16218	* cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
16219	typos.
16220
162212005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
16222
16223	* collect2.c (maybe_unlink): Use unlink_if_ordinary.
16224
162252005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
16226
16227	* reload1.c (reload): Revert my previous patch.
16228
162292005-06-03  Nick Clifton  <nickc@redhat.com>
16230
16231	* config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
16232	assembler.
16233
162342005-06-03  Kazu Hirata  <kazu@codesourcery.com>
16235
16236	PR tree-optimization/21849
16237	* tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
16238
162392005-06-02  Richard Henderson  <rth@redhat.com>
16240
16241	* Makefile.in (tree-vect-generic.o): New.
16242	(OBJS-common, GTFILES, s-gtype): Add it.
16243	* tree-complex.c (build_replicated_const, vector_inner_type,
16244	vector_last_type, vector_last_nunits, build_word_mode_vector_type,
16245	elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
16246	do_negate, expand_vector_piecewise, expand_vector_parallel,
16247	expand_vector_addition, expand_vector_operation,
16248	type_for_widest_vector_mode, expand_vector_operations_1,
16249	gate_expand_vector_operations, expand_vector_operations,
16250	pass_lower_vector_ssa): Move to tree-vect-generic.c.
16251	(tree_lower_complex): Rename from tree_lower_operations.
16252	(pass_lower_complex): Rename from pass_pre_expand.
16253	* tree-vect-generic.c: New file.
16254	* tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
16255	(pass_lower_vector): New.
16256	* tree-optimize.c (init_tree_optimization_passes): Update to match.
16257
162582005-06-02  Richard Henderson  <rth@redhat.com>
16259
16260	* modulo-sched.c (doloop_register_get): Protect against
16261	doloop_end not defined.
16262
162632005-06-02  Kazu Hirata  <kazu@codesourcery.com>
16264
16265	* config/sh/sh.c (general_movsrc_operand,
16266	general_movdst_operand, arith_reg_operand, arith_reg_dest,
16267	logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
16268	fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
16269	xor_operand, cmp_operand, logical_operand, and_operand,
16270	fpscr_operand, fpul_operand, symbol_ref_operand,
16271	commutative_float_operator, noncommutative_float_operator,
16272	unary_float_operator, binary_float_operator,
16273	binary_logical_operator, equality_comparison_operator,
16274	greater_comparison_operator, less_comparison_operator,
16275	shift_operator, logical_operator, target_reg_operand,
16276	target_operand, mextr_bit_offset, extend_reg_operand,
16277	trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
16278	general_extend_operand, ua_address_operand,
16279	cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
16280	sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
16281	shift_count_reg_operand, shift_count_operand,
16282	unaligned_load_operand): Move to ...
16283	* config/sh/predicates.md: ... here.
16284	* config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
16285	Remove.
16286
162872005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
16288
16289	* tree.c (build_common_builtin_nodes): Fix the return type on
16290	__builtin_memcmp.
16291
162922005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
16293
16294	* tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
16295	(find_interesting_uses_address): Use build_fold_addr_expr instead.
16296	(strip_offset_1): Likewise.
16297	(tree_to_aff_combination): Likewise.
16298
162992005-06-02  DJ Delorie  <dj@redhat.com>
16300
16301	* convert.c (convert_to_pointer): Avoid recursion if no conversion
16302	is needed.
16303
163042005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
16305
16306	* tree-chrec.c (chrec_fold_plus_1): Ensure we build
16307	binary operations with the correct types.
16308	* tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
16309	for all computation.
16310
163112005-06-02  Kazu Hirata  <kazu@codesourcery.com>
16312
16313	* tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
16314	config/rs6000/rs6000.md: Fix comment typos.  Follow splling
16315	conventions.
16316	* doc/install.texi: Fix a typo.
16317
163182005-06-02  Jan Hubicka  <jh@suse.cz>
16319
16320	* cgraphunit.c (cgraph_function_and_variable_visibility): Extern
16321	inline functions are not local.
16322
163232005-06-02  Kazu Hirata  <kazu@codesourcery.com>
16324
16325	* gimplify.c (gimplify_ctx): Change the type of case_labels to
16326	VEC from VARRAY.
16327	(gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
16328	of case_labels.
16329
163302005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
16331
16332	* c-typeck.c (build_indirect_ref): Build INDIRECT_REF
16333	with correct type.
16334
163352005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>
16336
16337	* config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
16338	execute templates.
16339	(s390_dump_pool): Likewise.
16340	(s390_mainpool_start, s390_mainpool_finish): Likewise.
16341	(s390_chunkify_start): Likewise.
16342	(s390_dump_execute): Remove.
16343	(s390_reorg): Handle out-of-pool execute templates.
16344
163452005-06-02  Adrian Straetling  <straetling@de.ibm.com>
16346
16347	* optabs.c: (expand_bool_compare_and_swap): Emit barrier after
16348	  unconditional jump.
16349
163502005-06-02  Jan Hubicka  <jh@suse.cz>
16351
16352	* cgraph.c (cgraph_node): Maintain master clones.
16353	(cgraph_remove_node): Likewise.
16354	(availability_names): New static variable.
16355	(dump_cgraph_node): Dump availability.
16356	(dump_cgraph_varpool_node): Likewise.
16357	(cgraph_is_master_clone, cgraph_master_clone,
16358	cgraph_function_body_availability,
16359	cgraph_variable_initializer_availability): New functions.
16360	* cgraph.h (availability): New enum.
16361	(struct cgraph_node): Add master_clone.
16362	(cgraph_is_master_clone, cgraph_master_clone,
16363	cgraph_function_body_availability,
16364	cgraph_variable_initializer_availability): Declare.
16365	* cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
16366	(cgraph_remove_unreachable_nodes): Remove unreachable nodes.
16367	* ipa-inline.c (cgraph_decide_inlining): Do not call
16368	cgraph_remove_unreachable_nodes.
16369
16370	* cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
16371	previous patch.
16372
163732005-06-02  Diego Novillo  <dnovillo@redhat.com>
16374
16375	PR 21582
16376	* tree-vrp.c (nonnull_arg_p): New.
16377	(get_value_range): Call it.
16378
163792005-06-02  Eric Christopher  <echristo@redhat.com>
16380
16381	* config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
16382	add PROCESSOR_MAX.
16383	(mips_rtx_cost_data): New datatype.
16384	(MEMORY_MOVE_COST): Use data from structure.
16385	(BRANCH_COST): Ditto.
16386	(LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
16387	* config/mips/mips.md (cpu): Rework for processor_type changes.
16388	* config/mips/mips.c (mips_cost): New variable.
16389	(DEFAULT_COSTS): Define.
16390	(mips_rtx_cost_data): New.
16391	(mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
16392	for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
16393	FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
16394	(override_options): Set cost data.
16395	(mips_register_move_cost): Formatting changes.
16396	(bdesc_arrays): Use PROCESSOR_MAX.
16397	(mips_init_builtins): Ditto.
16398
163992005-06-02  Diego Novillo  <dnovillo@redhat.com>
16400
16401	PR 21765
16402	* doc/invoke.texi: Document -ftree-vrp.
16403
164042005-06-02  Dorit Nuzman  <dorit@il.ibm.com>
16405
16406	PR tree-optimization/21734
16407	* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
16408	phi_result when current_def is not available.
16409	(slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
16410	available.
16411
164122005-06-02  David Edelsohn  <edelsohn@gnu.org>
16413
16414	* config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
16415	(TARGET_INSN_VALID_WITHIN_DOLOOP): Define.
16416
164172005-06-02  Diego Novillo  <dnovillo@redhat.com>
16418
16419	* tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.
16420
164212005-06-02  Jan Hubicka  <jh@suse.cz>
16422
16423	* cgraph.c (dump_cgraph_node): Print new flags.
16424	(dump_cgraph_varpool_node): Likewise.
16425	(decide_variable_is_needed): Initialize externally_visible flag.
16426	* cgraph.h (cgraph_local_info): Add externally_visible flag.
16427	(cgraph_varpool_node): Likewise.
16428	(cgraph_function_flags_ready): Declare.
16429	* cgraph.c (cgraph_mark_local_functions): Rename to ...
16430	(cgraph_function_and_variable_visibility) ... this one; handle
16431	externally_visible flags.
16432	(decide_is_function_needed): Set externally_visible flag.
16433	(cgraph_finalize_function): Deal properly with early cleanups.
16434	(cgraph_optimize): Update call of
16435	cgraph_function_and_variable_visibility.
16436
164372005-06-02 Steven Bosscher  <stevenb@suse.de>
16438	   Mostafa Hagog <mustafa@il.ibm.com>
16439
16440	* cfgloop.h (doloop_condition_get): Make external.
16441	* loop-doloop.c (doloop_condition_get): Generalize to make it
16442	usable in modulo-sched.c.
16443	* modulo-sched.c (doloop_register_get): Use
16444	doloop_condition_get instead of duplicating it.
16445
164462005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
16447
16448	* reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
16449	the correct set of init_insns that need deletion.
16450	* local-alloc.c (update_equiv_regs): When substituting sole definition
16451	into sole use of a reg, delete it from liveness information.
16452
164532005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
16454
16455	* config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
16456
164572005-06-01  Diego Novillo  <dnovillo@redhat.com>
16458
16459	PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
16460	PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
16461	* fold-const.c (invert_tree_comparison): Make extern.
16462	* tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
16463	(struct value_range_def): Limewise.
16464	(get_value_range): Remove.
16465	(dump_value_range): Remove.
16466	(dump_all_value_ranges): Remove.
16467	(debug_all_value_ranges): Remove.
16468	(vrp_evaluate_conditional): Declare.
16469	* tree-ssa-propagate.c (struct prop_stats_d): Add field
16470	num_pred_folded.
16471	(substitute_and_fold): Add argument use_ranges_p.
16472	Update all callers.
16473	If use_ranges_p is true, call fold_predicate_in to fold
16474	predicates using range information.
16475	Ignore ASSERT_EXPRs.
16476	Change debugging output to only show statements that have been
16477	folded.
16478	(replace_phi_args_in): Move debugging output code from
16479	substitute and fold.
16480	(fold_predicate_in): New local function.
16481	* tree-ssa-propagate.h (enum value_range_type): Move from
16482	tree-flow.h.
16483	(struct value_range_d): Likewise.
16484	Add field 'equiv'.
16485	(value_range_t): Rename from value_range.
16486	* tree-vrp.c (found_in_subgraph): Rename from found.
16487	(get_opposite_operand): Remove.
16488	(struct assert_locus_d): Declare.
16489	(assert_locus_t): Declare.
16490	(need_assert_for): Declare.
16491	(asserts_for): Declare.
16492	(blocks_visited): Declare.
16493	(vr_value): Declare.
16494	(set_value_range): Add argument 'equiv'.
16495	Don't drop to VARYING ranges that cover all values in the
16496	type.
16497	Make deep copy of equivalence set 'equiv'.
16498	(copy_value_range): New local function.
16499	(set_value_range_to_undefined): New local function.
16500	(compare_values): Return -2 if either value has overflowed.
16501	(range_includes_zero_p): New local function.
16502	(extract_range_from_assert): Flip the predicate code if the
16503	name being asserted is on the RHS of the predicate.
16504	Avoid creating unnecessary symbolic ranges if the comparison
16505	includes another name with a known numeric range.
16506	Update the equivalnce set of the new range when asserting
16507	EQ_EXPR predicates.
16508	(extract_range_from_ssa_name): Update the equivalence set of
16509	the new range with VAR.
16510	(extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
16511	If -fwrapv is used, set the resulting range to VARYING if the
16512	operation overflows.  Otherwise, use TYPE_MIN_VALUE and
16513	TYPE_MAX_VALUE to represent -INF and +INF.
16514	Fix handling of *_DIV_EXPR.
16515	(extract_range_from_unary_expr): Handle MINUS_EXPR and
16516	ABS_EXPR properly by switching the range around if necessary.
16517	(extract_range_from_comparison): New local function.
16518	(extract_range_from_expr): Call it.
16519	(adjust_range_with_scev): Do not adjust the range if using
16520	wrapping arithmetic (-fwrapv).
16521	(dump_value_range): Also show equivalence set.
16522	Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
16523	(build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
16524	(infer_value_range): Change return value to bool.
16525	Add arguments 'comp_code_p' and 'val_p'.
16526	Do not attempt to infer ranges from statements that may throw.
16527	Store the comparison code in comp_code_p.
16528	Store the other operand to be used in the predicate in val_p.
16529	(dump_asserts_for): New.
16530	(debug_asserts_for): New.
16531	(dump_all_asserts): New.
16532	(debug_all_asserts): New.
16533	(register_new_assert_for): New.
16534	(register_edge_assert_for): New.
16535	(find_conditional_asserts): New.
16536	(find_assert_locations): New.
16537	(process_assert_insertions_for): New.
16538	(process_assert_insertions): New.
16539	(insert_range_assertions): Initialize found_in_subgraph,
16540	blocks_visited, need_assert_for and asserts_for.
16541	Call find_assert_locations and process_assert_insertions.
16542	(remove_range_assertions): Add more documentation.
16543	(vrp_initialize): Change return type to void.
16544	Do not try to guess if running VRP is worth it.
16545	(compare_name_with_value): New.
16546	(compare_names): New.
16547	(vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
16548	use_equiv_p is true, call compare_names and
16549	compare_name_with_value to compare all the ranges for every
16550	name in the equivalence set of the predicate operands.
16551	Update all callers.
16552	(vrp_meet): Try harder not to derive a VARYING range.
16553	If two values meet, the resulting equivalence set is the
16554	intersection of the two equivalence sets.
16555	(vrp_visit_phi_node): Call copy_value_range to get the current
16556	range information of the LHS.
16557	(vrp_finalize): Create a value vector representing all the
16558	names that ended up with exactly one value in their range.
16559	Call substitute_and_fold.
16560	(execute_vrp): Document equivalence sets in ranges.
16561	* tree.h (SSA_NAME_VALUE_RANGE): Remove.
16562	(struct tree_ssa_name): Remove field value_range.
16563	(invert_tree_comparison): Declare.
16564
165652005-06-01  Daniel Berlin  <dberlin@dberlin.org>
16566
16567	Fix PR tree-optimization/21839
16568
16569	* gimplify.c (zero_sized_field_decl): New function.
16570	(gimplify_init_ctor_eval): Use it.
16571
165722005-06-01  Josh Conner <jconner@apple.com>
16573
16574	PR 21478
16575	* gimplify.c (gimplify_init_constructor): Don't spill initializer
16576	to read-only memory if it's sparse.
16577
165782005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
16579
16580	* doc/rtl.texi: Remove references to NOTE_INSN_SETJMP.
16581	Add documentation for REG_SETJMP
16582
165832005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
16584
16585	* stmt.c (expand_case): Use build_int_cst.
16586	(node_has_low_bound): Likewise, and correct type mismatch.
16587	(node_has_high_bound): Likewise.
16588	* fold-const.c (fold_binary): Ensure we build trees
16589	with the correct types - undo what STRIP_NOPS possibly did.
16590
165912005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
16592
16593	* tree.h (fold_indirect_ref_1): Export from fold-const.c.
16594	* fold-const.c (fold_indirect_ref_1): No longer static.
16595	* tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
16596	folding, if possible.
16597
165982005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
16599
16600	* common.opt (fjump-tables): New.
16601	* doc/invoke.texi (-fno-jump-tables): Document.
16602	* stmt.c (expand_end_case_type): Do not emit jump tables unless
16603	flag_jump_tables.
16604
166052005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
16606
16607	* arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
16608	(bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
16609	(sunlt, sunle): Enable patterns on VFP.
16610
16611	* arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
16612	f_stored, f_flag, f_cvt.
16613	(generic_sched): No-longer used for the arm1020e and arm1022e cores.
16614	Include arm1020e.md.
16615	* vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
16616	the ds and fmac pipelines.  Re-work all load and store patterns and
16617	all conversion patterns to use new attributes.  Adjust reservation
16618	descriptions accordingly.
16619	* arm1020e.md: New file.
16620	* t-arm: Add dependency.
16621
166222005-06-01  Jan Hubicka  <jh@suse.cz>
16623
16624	* except.c (struct eh_region): Kill unused fields.
16625	* basic-block.h (struct basic_block_def): Likewise.
16626
166272005-06-01  J"orn Rennecke <joern.rennecke@st.com>
16628
16629	PR rtl-optimization/21767
16630	* rtl.h (function_invariant_p): Re-add declaration.
16631	* reload1.c (function_invariant_p): No longer static.
16632	* ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
16633	might have become invalid.
16634
166352005-06-01  Jakub Jelinek  <jakub@redhat.com>
16636
16637	PR c/21536
16638	PR c/20760
16639	* gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
16640	on variable sizes types if a decl is a pointer to a VLA.
16641	(gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
16642	Call gimplify_type_sizes on aggregate fields.  Prevent infinite
16643	recursion.
16644
16645	* fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
16646
16647	* config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
16648	_mm_set_ps, _mm_setr_ps): Add __extension__.
16649	* config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
16650	_mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
16651	_mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
16652	Likewise.
16653	(_mm_clflush): Don't use return in void function.
16654
16655	* config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
16656	_mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
16657	Use __inline instead of inline.
16658
166592005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
16660
16661	* fold-const.c (fold_binary): Fix types in strlen vs.
16662	zero comparison folding.
16663
166642005-06-01  Richard Henderson  <rth@redhat.com>
16665
16666	* configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
16667	* config.in, configure: Rebuild.
16668	* config/alpha/alpha.c (print_operand): Add 'j'.
16669	* alpha.md (divmodsi_internal_er_1): Use it.
16670	(divmoddi_internal_er_1): Likewise.
16671
166722005-06-01  Richard Sandiford  <rsandifo@redhat.com>
16673
16674	* system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
16675	* opts.h (print_filtered_help): Delete.
16676	* opts.c (handle_option, decode_options): Remove calls to
16677	set_target_switch.
16678	(print_target_help): New function.
16679	(common_option, print_help): Call print_target_help instead of
16680	display_target_options.
16681	(print_filtered_help): Make static.
16682	* toplev.h (display_target_options, set_target_switch): Delete.
16683	* toplev.c (target_switches, target_options, display_target_options)
16684	(set_target_switch): Delete.
16685	(print_switch_values): Remove handling of TARGET_SWITCHES and
16686	TARGET_OPTIONS.
16687	(default_get_pch_validity): Likewise.  Only treat target_flags
16688	specially if targetm.check_pch_target_flags is nonnull.
16689	(pch_option_mismatch): New function.
16690	(default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
16691	and TARGET_OPTIONS.  Only treat target_flags specially if
16692	targetm.check_pch_target_flags is nonnull.
16693	* config/ia64/ia64.c (ia64_override_options): Don't mention
16694	TARGET_OPTIONS in comment.
16695	* config/m68k/m68k-none.h (CC1_SPEC): Likewise.
16696	* doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
16697	* doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
16698	interaction with TARGET_SWITCHES.
16699	(TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
16700
167012005-06-01  Richard Sandiford  <rsandifo@redhat.com>
16702
16703	* config/sh/sh.c (multcosts): Check sh_multcost rather than
16704	sh_multcost_str.
16705	(sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
16706	(sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
16707	(cut2_workaround_str): Delete.
16708	* config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
16709	(TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
16710	(sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
16711	* config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
16712	(mgettrcost=, multcost=): New options.
16713
167142005-06-01  Richard Sandiford  <rsandifo@redhat.com>
16715
16716	* opts.h (cl_option_state): New structure.
16717	(get_option_state): Declare.
16718	* opts.c (get_option_state): New function.
16719	* toplev.c (option_affects_pch_p): New function.
16720	(default_get_pch_validity): Store the state of all options for which
16721	option_affects_pch_p returns true.
16722	(default_pch_valid_p): Check the state of those options here.
16723	Only check target_flags separately if targetm.check_pch_target_Flags
16724	is nonnull or if TARGET_SWITCHES is defined.
16725
167262005-06-01  Richard Sandiford  <rsandifo@redhat.com>
16727
16728	* config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
16729	names.
16730
167312005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
16732
16733	* modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
16734
167352005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
16736
16737	* gcse.c (compute_transp, load_killed_in_block): Use
16738	MEM_READONLY_P.
16739
167402005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
16741
16742	PR target/21854
16743	* config/mips/mips-protos.h: Declare mips_use_ins_ext_p
16744
167452005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16746
16747	* errors.h (warning, error, fatal, internal_error): Add printf
16748	attribute.
16749	* genmodes.c (make_vector_mode): Fix format arguments.
16750
167512005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16752
16753	* basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
16754	config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
16755	lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
16756	tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
16757	tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
16758	tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
16759	tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
16760	tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
16761	tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
16762	tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
16763	tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
16764	tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
16765	tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
16766	errors.h and include toplev.h if necessary.
16767
16768	* rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
16769	errors.h otherwise include toplev.h.
16770
16771	* Makefile.in: Update dependencies.
16772
167732005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
16774
16775	* config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
16776
167772005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
16778
16779	* config/rs6000/rs6000.md (sync_boolcshort_internal): New.
16780	* config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
16781	be complemented for big-endian.  Mask for AND must be rotated,
16782	not shifted.  Handle short operands with NOT on the memory
16783	operation.
16784
167852005-05-30  Daniel Berlin  <dberlin@dberlin.org>
16786
16787	* c-objc-common.c (c_tree_printer): Check flag before hashtable.
16788	Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
16789	* dwarf2out.c (dwarf2out_var_location): Ditto.
16790	* toplev.c (default_tree_printer): Ditto.
16791	* tree-outof-ssa.c (create_temp): Ditto.
16792	* tree-sra.c (instantiate_element): Ditto.
16793	* var-tracking.c (track_expr_p): Ditto.
16794	* tree.c (struct tree_map): New structure.
16795	(debug_expr_for_decl): New.
16796	(tree_map_eq): New function.
16797	(tree_map_hash): Ditto.
16798	(tree_map_marked_p): Ditto.
16799	(print_debug_expr_statistics): Ditto.
16800	(decl_debug_expr_lookup): Ditto.
16801	(decl_debug_expr_insert): Ditto.
16802	(dump_tree_statistics): Dump debug_expr hashtable stats.
16803	* tree.h (DECL_DEBUG_EXPR): Change
16804	(SET_DECL_DEBUG_EXPR): Add.
16805
168062005-06-01  Alan Modra  <amodra@bigpond.net.au>
16807
16808	* configure.ac: Add --enable-secureplt.
16809	(HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
16810	* config.in: Regenerate.
16811	* configure: Regenerate.
16812	* config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
16813	rs6000/secureplt.h to tm_file when enable_secureplt.
16814	* doc/invoke.texi (msecure-plt, mbss-plt): Document.
16815	* doc/install.texi: Document --enable-targets and --enable-secureplt.
16816	Correct xrefs to "Using the GNU Compiler Collection (GCC)".
16817	* config/rs6000/secureplt.h: New file.
16818	* config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
16819	(SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
16820	assembler support.
16821	(CC1_SECURE_PLT_DEFAULT_SPEC): Define.
16822	(CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
16823	(SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
16824	* config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
16825	* config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
16826	* config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
16827	TARGET_SECURE_PLT got register load sequence.
16828	(rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
16829	TARGET_SECURE_PLT.
16830	(rs6000_elf_declare_function_name): Don't emit toc address offset
16831	word when TARGET_SECURE_PLT.
16832	* config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
16833	(load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
16834	(load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
16835	(call, call_value): Mark pic_offset_table_rtx used for sysv pic and
16836	TARGET_SECURE_PLT.
16837	(call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
16838	sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
16839	and -fPIC.
16840	* config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
16841	(__trampoline_setup): Likewise.  Init r30 before plt call.
16842
168432005-05-31  DJ Delorie  <dj@redhat.com>
16844
16845	* expr.c (convert_move): When a partial_int requires multiple
16846	conversion steps, make sure successive steps convert the
16847	intermediate value, not the original value.
16848
16849	* expmed.c (expand_mult): Convert partial_int multiplies to
16850	shift/add combinations too.
16851
16852	* genmodes.c (mode_data): Add wider_2x.
16853	(calc_wider_mode): Calculate twice-wider mode too.
16854	(emit_mode_wider): Emit twice-wider mode too.
16855	* machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
16856	* expr.c (expand_expr_real_1): Use it for expanding
16857	multiplies.
16858
168592005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
16860
16861	PR tree-optimization/21817
16862	* tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
16863
168642005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
16865
16866	* loop.c (loop_invariant_p, valid_initial_value_p): Revert last
16867	change.
16868
168692005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
16870
16871	PR middle-end/20931
16872	PR middle-end/20946
16873	* fold-const.c (fold_checksum_tree): Copy types also if
16874	TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
16875	Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
16876	first.
16877	Tail recurse TREE_LIST's TREE_CHAIN.
16878
168792005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
16880
16881	PR tree-opt/21732
16882	* tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
16883	SSA_NAME twice and cause the loop to become finite.  Remove the test
16884	for val.
16885
168862005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
16887
16888	* tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
16889	expression.
16890
168912005-05-31  Richard Sandiford  <rsandifo@redhat.com>
16892
16893	* doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
16894	the documentation to make it more future-proof.
16895	(TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
16896	* target.h (gcc_target): Add check_pch_target_flags.
16897	* target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
16898	(TARGET_INITIALIZER): Include it.
16899	* toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
16900	* config/sh/sh-protos.h (sh_pch_valid_p): Delete.
16901	* config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
16902	(sh_check_pch_target_flags): New function.
16903	(TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
16904
169052005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
16906
16907	* fold-const.c (extract_array_ref): Handle more cases,
16908	do some useful canonicalization of the base.
16909	(fold_binary): Explicitly deal with arrays of zero-sized
16910	structures during folding of &a[i] == &a[j].
16911
169122005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
16913
16914	* doc/install.texi (sparc-sun-solaris2*): Update note
16915	about Sun bug 4910101.
16916	(sparc-sun-solaris2.7): Document bootstrap
16917	failure with Sun WorkShop 6 99/08/18 as.
16918
169192005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
16920
16921	* loop.c (loop_invariant_p, valid_initial_value_p): Use
16922	regs_invalidated_by_call instead of call_used_regs.
16923
169242005-05-30  Paolo Carlini  <pcarlini@suse.de>
16925
16926	PR middle-end/21743
16927	* builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
16928	Enable.
16929	* doc/extend.texi: Add clog, clogf, clogl.
16930
169312005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
16932
16933	PR middle-end/20303
16934	* c-pragma.c: Include "vec.h".
16935	(handle_pragma_visibility): Use VEC.
16936
16937	* doc/invoke.texi: Remove the nested visibility push limit.
16938
169392005-05-30  Roger Sayle  <roger@eyesopen.com>
16940
16941	PR rtl-optimization/15422
16942	* reg-stack.c (starting_stack_p): New static global.
16943	(straighten_stack): Delete prototype. Change to update the stack
16944	before the current insn.
16945	(subst_stack_regs): Update call to straighten stack.
16946	(emit_swap_insn): Delete prototype.  For the first insn in a
16947	basic block, update stack_in instead of emitting a real swap.
16948	(change_stack): When changing the stack before the first insn
16949	in a basic block, update stack_in instead of emitting real code.
16950	(compensate_edges): Clear starting_stack_p during compensation.
16951	(convert_regs_1): Keep track of starting_stack_p whilst processing
16952	a basic block.
16953
169542005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
16955
16956	* tree-ssa-ccp.c (const_val): Make it static.
16957
169582005-05-29  Geoffrey Keating  <geoffk@apple.com>
16959
16960	PR target/21761
16961	* config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
16962	pattern involving `:P'.
16963
16964	* Makefile.in (install-cpp): Depend on installdirs.
16965
169662005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
16967
16968	* tree-outof-ssa.c (_elim_graph): Change the type of edge_list
16969	to VEC(int,heap)*.
16970	(new_elim_graph, clear_elim_graph, delete_elim_graph,
16971	elim_graph_add_edge, elim_graph_remove_succ_edge,
16972	FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
16973	instead of VARRAY.
16974
169752005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
16976
16977	* cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
16978	opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
16979	tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
16980	follow spelling conventions in error/dump messages.
16981
169822005-05-29  Roger Sayle  <roger@eyesopen.com>
16983	    Richard Henderson  <rth@redhat.com>
16984
16985	* ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
16986	if the RHS isn't suitable for calling emit_move_insn.
16987
169882005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
16989
16990	* tree-ssa-ccp.c (ccp_fold): Return immediately after calling
16991	fold_unary and fold_binary.
16992
169932005-05-29  Roger Sayle  <roger@eyesopen.com>
16994
16995	* reg-stack.c (propagate_stack): Always copy the source stack to
16996	the destination.  This routine is now only called when this is safe.
16997	(better_edge): New function split out from convert_regs_1 to
16998	determine which of two edges is better to propagate across.
16999	(convert_regs_1): We need only search for a best edge if the
17000	stack layout hasn't been defined yet.  Use better_edge to help
17001	find beste.  No longer traverse unnecessary edges.
17002
170032005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
17004
17005	* tree-ssa-alias.c (new_type_alias): New procedure to
17006	create a type memory tag for a pointer with a may-alias
17007	set determined from a variable declaration.
17008	* tree-flow.h: export declaration of new_type_alias
17009	* tree-optimize.c (init_tree_optimization_passes): document
17010	that pass_may_alias cannot be called after pass_vectorize.
17011	* tree-vect-transform (vect_create_data_ref_ptr): Call
17012	new_type_alias when an type memory tag isn't available
17013	for a reference.
17014	(vectorizable_store): Use copy_virtual_operands to update
17015	virtual defs in place (so that loop_version can be called).
17016	Call mark_for_renaming for the virtual defs in case peeling
17017	is done and virtual uses outside the loop need to be updated.
17018
170192005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
17020
17021	PR tree-optimization/21639
17022	* tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
17023
170242005-05-29  Jan Hubicka  <jh@suse.cz>
17025
17026	PR tree-optimization/21562
17027	* cfgexpand.c (construct_init_block): Deal properly with the case
17028	of entry edge not pointing to very first basic block.
17029
170302005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
17031
17032	* tree-ssa-ccp.c (ccp_fold): Remove code that produces
17033	non-gimple min invariant.
17034
17035	* Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
17036	* tree-flow.h: Add prototypes for start_recording_case_labels
17037	and end_recording_case_labels.
17038	* tree-cfg.c (start_recording_case_labels,
17039	end_recording_case_labels): Export.
17040	(cleanup_tree_cfg_loop, modified_noreturn_calls,
17041	cleanup_control_flow, cleanup_control_expr_graph,
17042	remove_fallthru_edge, phi_alternatives_equal,
17043	tree_forwarder_block_p, has_abnormal_incoming_edge_p,
17044	remove_forwarder_block, cleanup_forwarder_blocks,
17045	remove_forwarder_block_with_phi, merge_phi_nodes,
17046	gate_merge_phi, pass_merge_phi): Move to ...
17047	* tree-cfgcleanup.c: ... here.
17048
17049	* basic-block.h: Remove forward declaration of bb_ann_d.
17050
170512005-05-28  Jan Hubicka  <jh@suse.cz>
17052
17053	* tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
17054	Update profile.
17055	* value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
17056	debug output.
17057	(tree_mod_subtract): Fix profile updating code.
17058	(tree_divmod_values_to_profile): Do not produce useless value profilers
17059	for divisions.
17060
170612005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
17062
17063	* tree-ssa-dom.c (vrp_element_p): Define.
17064	(vrp_hash_elt): Change the type of records to
17065	VEC(vrp_element_p,heap).
17066	(vrp_free): New.
17067	(tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
17068	Update uses of VRP records.
17069	(simplify_cond_and_lookup_avail_expr, record_range): Update
17070	uses of VRP records.
17071
17072	* tree-inline.c (cfun_stack): Change the type to
17073	VEC(function_p,heap).
17074	(push_cfun, pop_cfun): Use VEC instead of VARRAY.
17075
170762005-05-27  Ian Lance Taylor  <ian@airs.com>
17077
17078	* c-decl.c (add_stmt): Add C frontend specific version.
17079	(stmts_are_full_exprs_p): Remove.
17080	* c-common.h (STMT_IS_FULL_EXPR_P): Remove.
17081	(stmts_are_full_exprs_p): Don't declare.
17082	* c-semantics.c (add_stmt): Remove.
17083
170842005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17085
17086	* config/mips/mips-protos.h (mips_declare_object): Add printf
17087	attribute.
17088	* config/mips/mips.c (mips_declare_object_name): Fix format
17089	argument.
17090
170912005-05-27  Roger Sayle  <roger@eyesopen.com>
17092
17093	* reg-stack.c (compensate_edge): Remove original prototype.
17094	(propagate_stack): New function to copy the stack layout
17095	at the start of a basic block from the layout at the end of
17096	one of its predecessors.
17097	(compensate_edge): Assume that both source and destination
17098	blocks have already had their stack layouts defined.
17099	(compensate_edges): Traverse all non-entry edges in the CFG
17100	and call compensate_edge on each in turn.
17101	(convert_regs_1): Change return type to void.  Call
17102	propagate_stack instead of compensate_edge.
17103	(convert_regs_2): Change return type to void.  Update call
17104	to convert_regs_1 to ignore the (now void) return value.
17105	(convert_regs): Update calls to convert_regs_2 to ignore
17106	the (now void) return value.  After all the basic blocks have
17107	been processed, call compensate_edges to actually emit new
17108	insns.
17109	(reg_to_stack): Initialize the aux info for each basic block
17110	with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
17111
171122005-05-28  Jan Hubicka  <jh@suse.cz>
17113
17114	* except.c (can_throw_internal_1, can_throw_external_1): Add
17115	"is_resx" argument.
17116	(can_throw_external, can_throw_internal): Bring into sync wrt
17117	dealing resx.
17118	* except.h (can_throw_internal_1, can_throw_external_1): Update
17119	prototype.
17120	* tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
17121	Deal properly with resx.
17122
171232005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
17124
17125	* basic-block.h (basic_block_def): Add phi_nodes and
17126	predictions.  Remove tree_annotations.
17127	* predict.c (tree_predicted_by_p, tree_predict_edge,
17128	combine_predictions_for_bb): Adjust references to predictions.
17129	* tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
17130	create_block_annotation.
17131	(create_block_annotation, free_blocks_annotatios,
17132	clear_blocks_annotations): Remove.
17133	(dump_cfg_stats): Don't print out the memory spent on
17134	bb_ann_d.
17135	(delete_tree_cfg_annotations): Don't call free_blocks_annotations.
17136	* tree-flow-inline.h (bb_ann): Remove.
17137	(phi_nodes, set_phi_nodes): Update references to phi_nodes.
17138	* tree-flow.h (bb_ann_d): Remove.
17139	* tree-if-conv.c (process_phi_nodes): Update a reference to
17140	phi_nodes.
17141	* tree-phinodes.c (reserve_phi_args_for_new_edge,
17142	create_phi_node, remove_phi_node): Likewise.
17143	* tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
17144	* tree-ssa-dom.c (threaded_blocks): New.
17145	(tree_ssa_dominator_optimize): Initialize, clear, and free
17146	threaded_blocks. Update a call to thread_through_all_blocks.
17147	(thread_across_edge): Use threaded_blocks instead of setting
17148	incoming_edge_threaded.
17149	* tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
17150	a bitmap of blocks that are threaded through.
17151	* tree.h: Move the prototype of threaded_through_blocks to
17152	tree-flow.h.
17153
17154	* domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
17155	fini_walk_dominator_tree): Use VEC instead of VARRAY.
17156	* domwalk.h (dom_walk_data): Change the type of
17157	block_data_stack and free_block_data to VEC(void_p,heap)*.
17158	* tree-ssa-dse.c (dse_initialize_block_local_data,
17159	dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
17160	VEC instead of VARRAY.
17161
171622005-05-27  Jan Hubicka  <jh@suse.cz>
17163
17164	* cgraph.c: Include tree-gimple.h
17165	(cgraph_edge): Rename expr to stmt.
17166	(cgraph_create_edge): Likewise.
17167	(cgraph_clone_node): Likewise.
17168	* cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
17169	* cgraphunit.c (record_call_1): Rename to ...
17170	(record_reference): ... this one; do not build edges.
17171	(cgraph_varpool_analyze_pending_decls): Call record_reference directly.
17172	(current_basic_block): Kill.
17173	(cgraph_create_edges): Rewrite to work on gimple statements nicely.
17174	(verify_cgraph_node): Likewise.
17175	* tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
17176	(copy_bb): Mess up with cgraph edges here; simplify EH handling.
17177	(copy_edges_for_bb): Simplify EH handling.
17178	(expand_call_inline): Pass statement to cgraph_edge and
17179	cgraph_create_edge.
17180
171812005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
17182
17183	* tree-inline.c (copy_body_r): Manually fold *& to deal
17184	with ADDR_EXPRs with mismatched types for now.
17185
17186	* gimplify.c (fold_indirect_ref_rhs): New function.
17187	(gimplify_modify_expr_rhs): Use it instead of pessimistic
17188	fold_indirect_ref.
17189
17190	* fold-const.c (fold_indirect_ref_1): Add type argument;
17191	make sure the resulting expression is of this type.
17192	(build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
17193
171942005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
17195
17196	PR tree-optimization/21658
17197	* tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
17198	fold_binary_to_constant.  Likewise, call fold_unary instead of
17199	fold_unary_to_constant.
17200
172012005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
17202
17203	* vec.h: Implement integral type vector specialization.
17204	(VEC_T): Define a non-GTY structure.
17205	(VEC_T_GTY): Define a GTY structure.
17206	(VEC_TA): Rename to ...
17207	(VEC_TA_GTY): ... here.
17208	(DEF_VEC_I, DEF_VEC_ALLOC_I): New.
17209	(DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
17210	(DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
17211	DEF_VEC_P and DEF_VEC_ALLOC_P.
17212	(DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
17213	(DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
17214	DEF_VEC_O and DEF_VEC_ALLOC_O.
17215	* global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
17216	* lambda-code.c: Likewise.
17217	* tree-into-ssa.c: Likewise.
17218	* tree-ssa-live.c: Likewise.
17219
172202005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
17221
17222	* tree-into-ssa.c (update_ssa): Ensure that the operand cache
17223	is up-to-date.
17224	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
17225	update_stmt_if_modified before calling update_ssa.
17226
172272005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
17228
17229	* config/rs6000/t-rtems: Remove roe multilib variant.
17230
172312005-05-26  Roger Sayle  <roger@eyesopen.com>
17232
17233	PR tree-optimization/9814
17234	* ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
17235	instruction, add the necessary clobbers by re-expanding the RTL
17236	for arithmetic operations via optab.c's expand_unop/expand_binop.
17237	(noce_try_bitop): New function to optimize bit manipulation idioms
17238	of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
17239	(noce_process_if_block): Call noce_try_bitop.
17240
172412005-05-26  Roger Sayle  <roger@eyesopen.com>
17242
17243	* reg-stack.c (convert_regs_entry, convert_regs_exit,
17244	convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
17245	(reg_to_stack): Move to end of the file.  Initialize the per
17246	basic block information here, instead of...
17247	(convert_regs_entry): Here.
17248	(convert_regs): Change unused return type to void.
17249
172502005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
17251
17252	* c-pch.c, timevar.c, timevar.h, unwind-compat.c,
17253	unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
17254	config/rs6000/eabispe.h, config/rs6000/lynx.h,
17255	config/sh/elf.h, config/sh/symbian-pre.h,
17256	config/sparc/sparc-protos.h: Update copyright.
17257
172582005-05-26  Mike Stump  <mrs@apple.com>
17259
17260	* darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
17261	for Objective-C++.
17262
172632005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
17264
17265	* tree-ssa-forwprop.c (forward_propagate_addr_expr):
17266	See through ADDR_EXPR in finding place to propagate into.
17267
172682005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
17269
17270	* c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
17271	cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
17272	ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
17273	tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
17274	tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
17275	tree-ssa-operands.c, tree-vect-analyze.c,
17276	tree-vect-transform.c, tree-vectorizer.c, tree.c,
17277	config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
17278	config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
17279	config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
17280	config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
17281	config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
17282	config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
17283	config/sh/ushmedia.h, config/sparc/sparc.c,
17284	config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
17285	typos.  Follow spelling conventions.
17286	* doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
17287	Follow spelling conventions.
17288
172892005-05-26  David Ung  <davidu@mips.com>
17290
17291	* config/mips/mips.c (mips_use_ins_ext_p): New helper function
17292	that determines whether the MIPS32/64 R2 ext/ins should be used.
17293	* config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
17294	* config/mips/mips.md (extzv): Changed predicate for operand to
17295	nonimmediate_operand. Add code to generate insn patterns for
17296	extzvsi and extzvdi.
17297	(extzv<mode>): New pattern to match mips32/64 r2 ext insn.
17298	(insv): Similarly for insertion.
17299	(insv<mode>): Similarly.
17300
173012005-05-26  Paolo Bonzini  <bonzini@gnu.org>
17302
17303	* simplify-rtx.c (avoid_constant_pool_reference): Support
17304	offsetted addresses in the constant pool.
17305
173062005-05-26  Paolo Bonzini  <bonzini@gnu.org>
17307
17308	* df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
17309	* df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
17310
173112005-05-26  Jakub Jelinek  <jakub@redhat.com>
17312
17313	PR target/21716
17314	* reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
17315	found in the basic block and last insn in the basic block is not
17316	INSN_P.  Remove explicit unspec numbers that are no longer valid
17317	from comments.
17318
173192005-05-26  Paolo Bonzini  <bonzini@gnu.org>
17320
17321	* tree-vect-transform.c (vectorizable_operation): Try word_mode
17322	vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
17323	if a vector mode is available.
17324
173252005-05-25  Roger Sayle  <roger@eyesopen.com>
17326
17327	PR middle-end/21709
17328	* fold-const.c (const_binop): Check for division by zero during
17329	complex division.
17330
173312005-05-26  Ian Lance Taylor  <ian@airs.com>
17332
17333	* reload1.c (verify_initial_elim_offsets): Add braces to avoid
17334	having a declaration after a statement.
17335
173362005-05-26  Richard Sandiford  <rsandifo@redhat.com>
17337
17338	* opt-functions.awk (var_type): New function.
17339	(var_set): Use CLVC_STRING if var_type returns "const char *".
17340	* opth-gen.awk: Use var_type to find out the types of variables.
17341	Don't print comments above each "extern" definition.
17342	* optc-gen.awk: Use var_type in the same way.
17343	* opts.h (cl_var_cond): Rename to...
17344	(cl_var_type): ...this.  Add CLVC_STRING.
17345	(cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
17346	with "var_type".
17347	* opts.c (handle_option, option_enabled): Update after above name
17348	change.  Cast flag_var before using it.  Handle CLVC_STRING.
17349
17350	* config/alpha/alpha.h (alpha_tls_size): Delete.
17351	* config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
17352	(alpha_tune_string, alpha_tp_string, alpha_fprm_string)
17353	(alpha_fptm_string, alpha_mlat_string): Delete.
17354	(alpha_handle_option): Don't set the above variables here.  Use the
17355	integer argument to check the validity of -mtls-size=.
17356	* config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
17357	(mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
17358	(mtls-size=): Likewise.  Convert to a UInteger and initialize the
17359	variable to 32.
17360
17361	* config/arc/arc.c (arc_cpu_string, arc_text_string)
17362	(arc_data_string, arc_rodata_string): Delete.
17363	(arc_handle_option): Don't set the above variables here.
17364	* config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
17365	and initialize them.
17366
17367	* config/arm/arm.c (target_fpu_name, target_fpe_name)
17368	(target_float_abi_name, target_abi_name, structure_size_string)
17369	(arm_pic_register_string): Delete.
17370	(arm_handle_option): Don't set the above variables here, except
17371	in the handling of -mhard-float and -msoft-float.
17372	* config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
17373	(mpic-register=, mstructure-size-boundary=): Add Var()s.
17374
17375	* config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
17376	(avr_handle_option): Delete.
17377	* config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
17378	them.
17379
17380	* config/bfin/bfin.c (bfin_library_id): Delete.
17381	(bfin_handle_option): Don't set it.
17382	* config/bfin/bfin.opt (mshared-library-id=): Add Var().
17383
17384	* config/c4x/c4x.h (c4x_rpts_cycles): Delete.
17385	* config/c4x/c4x.c (c4x_rpts_cycles): Delete.
17386	(c4x_handle_option): Don't set c4x_rpts_cycles here.
17387	* config/c4x/c4x.opt (mrpts=): Add Var().
17388
17389	* config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
17390	cris_elinux_stacksize_str here.
17391	* config/cris/aout.opt (melinux-stacksize=): Add Var().
17392	* config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
17393	(cris_tune_str, cris_elinux_stacksize_str): Delete.
17394	* config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
17395	(cris_tune_str, cris_elinux_stacksize_str): Delete.
17396	(cris_handle_option): Don't set the above variables here.
17397	* config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
17398	(max-stackframe=): Add Var()s.
17399
17400	* config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
17401	* config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
17402	(ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
17403	(ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
17404	(ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
17405	(ix86_branch_cost_string, ix86_align_funcs_string): Delete.
17406	(ix86_handle_option): Don't set the above variables here.
17407	* config/i386/i386.opt (malign-functions=, malign-jumps=)
17408	(malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
17409	(mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
17410	Var()s.
17411
17412	* config/ia64/ia64.h (ia64_tls_size): Delete.
17413	* config/ia64/ia64.c (ia64_tls_size): Delete.
17414	(ia64_handle_option): Treat -mtls-size= as a UInteger option,
17415	reading the integer argument from the "value" parameter.  Don't
17416	set ia64_tls_size here.
17417	* config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
17418	Add Var() and Init().
17419
17420	* config/m32r/m32r.h (m32r_cache_flush_func): Delete.
17421	(m32r_cache_flush_trap): Delete.
17422	* config/m32r/m32r.c (m32r_cache_flush_func): Delete.
17423	(m32r_cache_flush_trap): Delete.
17424	(m32r_handle_option): Don't set the above variables when handling
17425	-mflush-func= and -mflush-trap=.
17426	* config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
17427	and Init()s.
17428
17429	* config/mips/mips.h (mips_cache_flush_func): Delete.
17430	* config/mips/mips.c (mips_arch_string, mips_tune_string)
17431	(mips_cache_flush_func): Delete.
17432	(mips_handle_option): Don't set the above variables when handling
17433	-march=, -mtune= and -mflush-func=.
17434	* config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
17435
17436	* config/s390/s390.c (s390_arch_string): Delete.
17437	(s390_handle_option): Don't set it here.
17438	* config/s390/s390.opt (march=): Add Var().
17439
17440	* config/sparc/sparc.h (sparc_cmodel_string): Delete.
17441	* config/sparc/sparc.c (sparc_cmodel_string): Delete.
17442	(sparc_handle_option): Don't set it here.
17443	* config/sparc/sparc.opt (mcmodel=): Add Var().
17444
174452005-05-25  Roger Sayle  <roger@eyesopen.com>
17446
17447	* convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
17448	call to convert_to_integer by building the NOP_EXPR directly.
17449
174502005-05-25  Richard Sandiford  <rsandifo@redhat.com>
17451
17452	* config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
17453
174542005-05-25  Daniel Berlin  <dberlin@dberlin.org>
17455	    Jeff Law  <law@redhat.com>
17456
17457	* tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
17458	constant and side_effects of the ADDR_EXPR are consistent.
17459
17460	* tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
17461	appropriately around calls to recompute_tree_invarant_for_addr_expr.
17462
174632005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
17464
17465	* config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
17466	(s390_function_arg, s390_gimplify_va_arg): Use them.
17467	(s390_register_info): Save only required subset of argument
17468	registers into save area for va_list.
17469	(s390_va_start): Initialize only required elements of va_list struct.
17470	(s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
17471
174722005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
17473
17474	* reload1.c (verify_initial_elim_offsets): Return boolean status
17475	instead of aborting.
17476	(reload): Adapt verify_initial_elim_offsets call site.  Restart
17477	main loop if some initial elimination offsets changed.
17478
174792005-05-25  Adam Nemet  <anemet@lnxw.com>
17480
17481	* config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
17482	of -mno-svr4-struct-return.
17483
174842005-05-25  Daniel Berlin  <dberlin@dberlin.org>
17485
17486	Fix PR tree-optimization/21705
17487
17488	* tree-ssa-pre.c (in_fre): New static variable.
17489	(create_value_expr_from): Recursively value number reference ops
17490	in argument lists.
17491	(can_value_number_call): Temporary restrict only exists for
17492	PRE, not FRE.
17493
174942005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
17495
17496	* tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
17497	sizeof (bitmap *) with sizeof (bitmap).
17498
174992005-05-25  Daniel Berlin <dberlin@dberlin.org>
17500
17501	* lambda-code.c (perfect_nestify): Call update_stmt on the exit
17502	condition.
17503
175042005-05-25  Adrian Straetling  <straetling@de.ibm.com>
17505
17506	* config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
17507	hook_bool_rtx_true.
17508
175092005-05-25  Jan Hubicka  <jh@suse.cz>
17510
17511	* Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
17512	* cgraph.c (cgraph_create_node): Reset estimated_growth.
17513	* cgraph.h (cgraph_global_info): Add estimated_growth.
17514	* ipa-inline.c: Include coverage.h
17515	(max_insns, max_count): New static variables.
17516	(cgraph_estimate_size_after_inlining): Cache the result.
17517	(cgraph_estimate_growth):
17518	* passes.c (rest_of_clean_state): Kill coverage_end_function.
17519	* timevar.def (TV_INLINE_HEURISTICS): New timevar.
17520	* tree-optimize.c (init_tree_optimization_passes): Move profiling before
17521	inlining.
17522	(ipa_passes): Initialize bitmaps.
17523
175242005-05-25  Adrian Straetling  <straetling@de.ibm.com>
17525
17526	* loop-doloop.c: Include "target.h".
17527	  (doloop_valid_p): Move tests to function in targhooks.c.
17528	* target.h (struct gcc_target): New target hook
17529	  "insn_valid_within_doloop".
17530	* target-def.h: Define default value for "insn_valid_within_doloop".
17531	  (TARGET_INITIALIZER): Insert new target hook into initializer.
17532	* targhooks.c (default_insn_valid_within_doloop): New function.
17533	* targhooks.h (default_insn_valid_within_doloop): Declare.
17534	* hooks.c (hook_bool_rtx_true): New function.
17535	* hooks.h (hook_bool_rtx_true): Declare.
17536	* doc/tm.texi: Add documentation for new target hook.
17537
175382005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
17539
17540	PR target/21412
17541	* config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
17542	* config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
17543	(sparc_tls_referenced_p): New prototype.
17544	* config/sparc/sparc.c (tls_symbolic_operand): Delete.
17545	(sparc_expand_move): Look for TLS addresses with constant offsets.
17546	(legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
17547	tls_symbolic_operand.
17548	(legitimate_pic_operand_p): Likewise.
17549	(legitimate_address_p): Likewise.
17550	(legitimize_address): Likewise.
17551	(sparc_tls_symbol_ref_1): New function.
17552	(sparc_tls_referenced_p): New function.
17553	* config/sparc/predicates.md (tgd_symbolic_operand): Use
17554	SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
17555	(tld_symbolic_operand): Likewise.
17556	(tie_symbolic_operand): Likewise.
17557	(tle_symbolic_operand): Likewise.
17558
175592005-05-24  DJ Delorie  <dj@redhat.com>
17560
17561	* common.opt (-Wattributes): New.  Default true.
17562	* doc/invoke.texi (-Wno-attributes): Document.
17563
17564	* attribs.c (decl_attributes): Move warning control from if() to
17565	warning(OPT_*).
17566	* c-common.c (handle_packed_attribute): Likewise.
17567	(handle_nocommon_attribute): Likewise.
17568	(handle_common_attribute): Likewise.
17569	(handle_noreturn_attribute): Likewise.
17570	(handle_noinline_attribute): Likewise.
17571	(handle_always_inline_attribute): Likewise.
17572	(handle_used_attribute): Likewise.
17573	(handle_unused_attribute): Likewise.
17574	(handle_const_attribute): Likewise.
17575	(handle_transparent_union_attribute): Likewise.
17576	(handle_constructor_attribute): Likewise.
17577	(handle_destructor_attribute): Likewise.
17578	(handle_mode_attribute): Likewise.
17579	(handle_alias_attribute): Likewise.
17580	(handle_visibility_attribute): Likewise.
17581	(handle_tls_model_attribute): Likewise.
17582	(handle_malloc_attribute): Likewise.
17583	(handle_returns_twice_attribute): Likewise.
17584	(handle_pure_attribute): Likewise.
17585	(handle_deprecated_attribute): Likewise.
17586	(handle_vector_size_attribute): Likewise.
17587	(handle_nothrow_attribute): Likewise.
17588	(handle_cleanup_attribute): Likewise.
17589	(handle_warn_unused_result_attribute): Likewise.
17590	(handle_sentinel_attribute): Likewise.
17591	* c-decl.c (diagnose_mismatched_decls): Likewise.
17592	(start_decl): Likewise.
17593	(grokdeclarator): Likewise.
17594	(start_function): Likewise.
17595	* c-format.c (check_function_format): Likewise.
17596	* stor-layout.c (place_field): Likewise.
17597	(finalize_record_size): Likewise.
17598	* tree.c (handle_dll_attribute)): Likewise.
17599	* varasm.c (default_assemble_visibility): Likewise.
17600	* config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
17601	(darwin_assemble_visibility): Likewise.
17602	* config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
17603	* config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
17604	(arm_handle_isr_attribute): Likewise.
17605	* config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
17606	(avr_handle_fndecl_attribute): Likewise.
17607	* config/bfin/bfin.c (handle_int_attribute): Likewise.
17608	* config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
17609	* config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
17610	(h8300_handle_eightbit_data_attribute): Likewise.
17611	(h8300_handle_tiny_data_attribute): Likewise.
17612	* config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
17613	(ix86_handle_regparm_attribute): Likewise.
17614	(ix86_handle_struct_attribute): Likewise.
17615	* config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
17616	(i386_pe_encode_section_info): Likewise.
17617	* config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
17618	* config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
17619	(ip2k_handle_fndecl_attribute): Likewise.
17620	* config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
17621	* config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
17622	(m68hc11_handle_fntype_attribute): Likewise.
17623	(m68hc11_encode_section_info): Likewise.
17624	* config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
17625	* config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
17626	* config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
17627	* config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
17628	* config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
17629	(sh_handle_sp_switch_attribute): Likewise.
17630	(sh_handle_trap_exit_attribute): Likewise.
17631	* config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
17632	(sh_symbian_handle_dll_attribute): Likewise.
17633	* config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
17634	(xstormy16_handle_below100_attribute): Likewise.
17635	* config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
17636
17637	* c-common.c (unsigned_conversion_warning): Move warning control
17638	from if() to warning(OPT_*).
17639	(c_common_truthvalue_conversion): Likewise.
17640	(c_do_switch_warnings): Likewise.
17641	* c-decl.c (diagnose_mismatched_decls): Likewise.
17642	(diagnose_mismatched_decls): Likewise.
17643	(define_label): Likewise.
17644	(grokdeclarator): Likewise.
17645	* c-format.c (check_format_info): Likewise.
17646	* c-lex.c (interpret_integer): Likwise.
17647	(lex_string): Likewise.
17648	* c-opts.c (c_common_post_options): Likewise.
17649	* c-parser.c (c_parser_unary_expression): Likewise.
17650	* c-pragma.c (handle_pragma_redefine_extname): Likewise.
17651	(handle_pragma_extern_prefix): Likewise.
17652	* c-typeck.c (build_binary_op): Likewise.
17653	* gcse.c (is_too_expensive): Likewise.
17654	* opts.c (decode_options): Likewise.
17655	* stor-layout.c (place_field): Likewise.
17656	* tree-cfg.c (remove_bb): Likewise.
17657
17658	* c.opt (-Wreturn-type): Add Var(warn_return_type).
17659	* flags.h (warn_return_type): Remove.
17660	* toplev.c (warn_return_type): Likewise.
17661
176622005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
17663
17664	* configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
17665	existence of long long and __int64 before determining their size.
17666	* aclocal.m4: Delete gcc_AC_C_LONG_LONG.
17667	* configure, config.h.in: Regenerate.
17668
176692005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
17670
17671	* configure: Regenerate.
17672
176732005-05-24  Ziemowit Laski  <zlaski@apple.com>
17674
17675	* c-common.h (objc_comptypes): Remove prototype.
17676	(objc_compare_types): New prototype.
17677	(objc_volatilized_decl): Likewise.
17678	(objc_type_quals_match): Likewise.
17679	* c-decl.c (objc_mark_locals_volatile): Streamline by calling
17680	objc_volatilize_decl().
17681	* c-typeck.c (comp_target_types): Remove third parameter; do
17682	not call objc_comptypes().
17683	(comptypes): Remove calls to objc_comptypes().
17684	(build_function_call): Extend compatible prototype check to ObjC.
17685	(build_conditional_expr): Adjust call to comp_target_types().
17686	(convert_for_assignment): Call objc_compare_types() instead of
17687	objc_comptypes(); adjust calls to comp_target_types(); call
17688	objc_type_quals_match() before issuing qualifier mismatch
17689	warnings.
17690	(build_binary_op): Call objc_compare_types() before issuing
17691	pointer mismatch warnings; adjust calls to
17692	comp_target_types().
17693	* stub-objc.c (objc_comptypes): Remove stub.
17694	(objc_compare_types): New stub.
17695	(objc_volatilized_decl): Likewise.
17696	(objc_type_quals_match): Likewise.
17697
176982005-05-24  Paolo Carlini  <pcarlini@suse.de>
17699
17700	* config/ia64/ia64intrin.h: Define nothing for C++:
17701	overloaded builtins have been ported to C++.
17702
177032005-05-24  Jeff Law  <law@redhat.com>
17704
17705	* tree-nested.c (build_addr): New "context" argument.  Temporarily
17706	set current_function_decl around the call to build the ADDR_EXPR.
17707	(get_static_chain): Pass proper context to build_addr.
17708	(convert_nl_goto_reference): Likewise.
17709	(convert_tramp_reference): Likewise.
17710	(final_nesting_tree_1): Likewise.
17711	* tree-profile.c (tree_gen_interval_profiler): Likewise.
17712	(tree_gen_pow2_profiler): Likewise.
17713	(tree_gen_one_value_profiler): Likewise.
17714	* tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
17715	* tree.h (build_addr): Update prototype.
17716
177172005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
17718
17719	* tree-flow.h (bb_ann_d): Remove has_escape_site.
17720	* tree-ssa-alias.c (compute_points_to_addr_escape): Don't
17721	write to has_escape_site.
17722
177232005-05-24  Jeff Law  <law@redhat.com>
17724
17725	* Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
17726	* tree-cfg.c: Include tree-ssa-propagate.h.
17727	(replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
17728	needed.
17729
177302005-05-24  Nick Clifton  <nickc@redhat.com>
17731
17732	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
17733	__NO_FPRS__ when 'f' class registers will not be available.
17734
177352005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
17736
17737	* config/m32r/m32r.c (m32r_expand_block_move): Return 0 if
17738	nothing was done.
17739	* config/m32r/m32r.md (movmemsi): If m32r_expand_block_move did
17740	nothing then FAIL.
17741	* config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
17742	prototype.
17743
177442005-05-23  Jeff Law  <law@redhat.com>
17745
17746	* tree-ssa-dom.c (cprop_into_stmt): Do not call
17747	recompute_tree_invariant_for_addr_expr here.
17748	(optimize_stmt): Call it here instead and do so if anything
17749	at all has changed in the statement and the RHS is an ADDR_EXPR.
17750	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
17751	needed, call recompute_tree_invariant_for_addr_expr.
17752	* tree-ssa-propagate.c (substitute_and_fold): Call
17753	recompute_tree_invariant_for_addr_expr as needed.
17754
177552005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
17756
17757	* config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
17758	saving less registers than the replacement.
17759
177602005-05-23  Jan Hubicka  <jh@suse.cz>
17761
17762	* tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
17763
177642005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
17765
17766	* config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
17767	* config/sparc/sparc.c (sparc_expand_move): New function.
17768	(sparc_emit_set_const64): Rewrite assert condition on entry.
17769	(legitimate_constant_p) <CONST_VECTOR>: New case.
17770	(legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
17771	* config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
17772	movV64, movtf): Use nonimmediate_operand for the first operand.
17773	Rewrite.  Only invoke sparc_expand_move.
17774	* config/sparc/predicates.md (input_operand): Reorder tests.
17775
177762005-05-23  Jan Beulich  <jbeulich@novell.com>
17777
17778	* gthr-posix.h (__gthread_recursive_mutex_init_function): Add
17779	missing return statement.
17780
177812005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
17782
17783	* config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
17784	emit_move_insn for moves to TFmode stack slots.
17785
177862005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
17787
17788	* tree-stdarg.c (execute_optimize_stdarg): Handle references
17789	to va_list of the form &va[0].
17790
177912005-05-20  Jan Hubicka  <jh@suse.cz>
17792
17793	* Makefile.in (insn-emit.o): Add basic-block.h dependency.
17794	* genemit.c (main): Make insn-emit to include basic-block.h too.
17795
177962005-05-20  Jan Hubicka  <jh@suse.cz>
17797
17798	* cgraphunit.c (cgraph_expand_function): Force function being lowered.
17799
178002005-05-19  Richard Henderson  <rth@redhat.com>
17801
17802	* config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
17803	emit_store_conditional): Split out from ...
17804	(alpha_split_atomic_op): ... here.
17805	(alpha_split_compare_and_swap): New; extract from .md file.
17806	(alpha_split_lock_test_and_set): Likewise.
17807	* config/alpha/alpha-protos.h: Update.
17808	* config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
17809	split code into alpha.c.
17810	(sync_lock_test_and_set<I48MODE>): Likewise.
17811
178122005-05-19  Richard Henderson  <rth@redhat.com>
17813
17814	* unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
17815
178162005-05-19  Richard Henderson  <rth@redhat.com>
17817
17818	* config/i386/sse.md (mulv4si3): Use all register inputs.
17819	(mulv2di3): Likewise.
17820
178212005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
17822
17823	* tree-ssa-loop-ivopts.c (determine_base_object): Use
17824	build_fold_addr_expr to generate trees of correct type.
17825	Use fold_buildN if possible.
17826
178272005-05-19  Jan Hubicka  <jh@suse.cz>
17828
17829	* basic-block.h (REG_BR_PROB_BASE): Define.
17830	* cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
17831	(dump_cgraph_node): Dump count.
17832	(cgraph_clone_edge): Rescale counts.
17833	(cgraph_clone_node): Likewise.
17834	* cgraph.h: Include basic-block.h
17835	(cgraph_node): Add count.
17836	(cgraph_edge): Add count and loop_nest.
17837	(cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
17838	Update prototypes.
17839	* cgraphunit.c: Kill now redundant inlining comment.
17840	(cgraph_create_edges): Make static, maintain current basic block;
17841	fix pasto.
17842	(record_call_1): Fill in new fields.
17843	* ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
17844	cgraph_clone_node.
17845	(cgraph_decide_recursive_inlining): Likewise.
17846	* rtl.h (REG_BR_PROB_BASE): Kill.
17847	* tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
17848	(expand_call_inline): Update call of cgraph_create_edge.
17849	* tree-optimize.c (tree_rest_of_compilation): Likewise.
17850
178512005-05-19  Nick Clifton  <nickc@redhat.com>
17852
17853	* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
17854	new rs6000_explicit_options structure.
17855
178562005-05-19  Richard Henderson  <rth@redhat.com>
17857
17858	PR target/21390
17859	* config/alpha/alpha.c (alpha_emit_conditional_branch): Move
17860	TFmode code swapping ...
17861	(alpha_emit_xfloating_compare): ... here.
17862	(alpha_emit_setcc): Update to match.
17863	(alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
17864
178652005-05-19  Richard Henderson  <rth@redhat.com>
17866
17867	PR target/21657
17868	* config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
17869	memory indirection in local-dynamic case.
17870
178712005-05-18  Jie Zhang  <jie.zhang@analog.com>
17872	    Bernd Schmidt  <bernd.schmidt@analog.com>
17873
17874	* config/bfin/bfin.c (branch_dest): Add comment why it's
17875	necessary.
17876	* config/bfin/bfin.md (attr "length" default): Change the offset of
17877	forward conditional branch of length 4 from 4096 to 4092.
17878
178792005-05-19  Jan Beulich  <jbeulich@novell.com>
17880
17881	* unwind-compat.c: Include tconfig.h and tsystem.h.
17882	* unwind-dw2-fde-compat.c: Likewise.
17883
178842005-05-18  Richard Henderson  <rth@redhat.com>
17885
17886	PR 21541
17887	* ifcvt.c (noce_process_if_block): Avoid conversion when the
17888	memory destination is readonly.
17889
178902005-05-18  Richard Henderson  <rth@redhat.com>
17891
17892	PR 21541
17893	* tree-ssa-operands.c (opf_non_specific): New.
17894	(get_asm_expr_operands): Set it.
17895	(add_call_clobber_ops, add_call_read_ops): Likewise.
17896	(add_stmt_operand): Test it instead of opf_kill_def when
17897	considering unmodifiable variables.
17898
17899	* tree-ssa-operands.c (get_expr_operands): Fix exact test.
17900
179012005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
17902
17903	* cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
17904	tree-ssa-forwprop.c: Fix comment typos.
17905	* doc/invoke.texi: Fix a typo.
17906
179072005-05-18  Richard Henderson  <rth@redhat.com>
17908
17909	* config.gcc (powerpc-*-linux*): Include linux64.opt when
17910	including linux64.h.
17911
179122005-05-18  Richard Henderson  <rth@redhat.com>
17913
17914	* tree-cfg.c (pass_remove_useless): Revert last change.
17915	* tree-optimize.c (init_tree_optimization_passes): Initialize
17916	all_lowering_passes with PROP_gimple_any.
17917
179182005-05-18  Devang Patel  <dpatel@apple.com>
17919
17920	* config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
17921	the mask end.
17922
179232005-05-18  Richard Henderson  <rth@redhat.com>
17924
17925	* tree-ssa-forwprop.c (cfg_changed): New.
17926	(tidy_after_forward_propagate_addr): New.
17927	(forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
17928	(forward_propagate_addr_into_variable_array_index): Likewise.
17929	(tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
17930	edges were removed.
17931
179322005-05-18  Geoffrey Keating  <geoffk@apple.com>
17933
17934	* dummy-checksum.c: New.
17935	* genchecksum.c: New.
17936	* c.opt (print_pch_checksum): New flag.
17937	* c-pch.c (struct c_pch_validity): Make much shorter.
17938	(no_checksum): New.
17939	(host_machine): Remove.
17940	(target_machine): Remove.
17941	(get_ident): Change PCH version number.
17942	(pch_init): When -fverbose-asm, print out the compiler fingerprint.
17943	Don't put triplets or version string in PCH validity data.
17944	Do put the compiler checksum in the validity data.
17945	(c_common_valid_pch): Don't check triplets or version string.  Do
17946	check checksum.
17947	(c_common_print_pch_checksum): New.
17948	* c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
17949	Print fingerprint with -v.
17950	* c-common.h (c_common_print_pch_checksum): New.
17951	(executable_checksum): New.
17952	* Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
17953	(cc1-dummy): New rule.
17954	(cc1-checksum.c): New rule.
17955	(cc1-checksum.o): New rule.
17956	(cc1): Add checksum support.
17957	(build/genchecksum): New.
17958	(build/genchecksum.o): New.
17959	(dummy-checksum.o): New.
17960	(genobjnames): Add genchecksum.o.
17961	(mostlyclean): Remove *-checksum.c.
17962	(gnucompare): Add libgcc to list of directories checked.
17963	Make comparison problems in libgcc/ and with checksum files only
17964	be warnings.
17965	* doc/invoke.texi (Precompiled Headers): Remove caution.
17966	Document that it must be the exact same binary.  Add a few
17967	known-safe flags to the list.
17968
17969	* rs6000/predicates.md (fix_trunc_dest_operand): New.
17970	* rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
17971	Check that a memory operand is valid before trying to use it.
17972
17973	* tree-cfg.c (pass_remove_useless): This pass works on trees.
17974
179752005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
17976
17977	* tree.c (build1_stat): Don't try to handle two-operand
17978	tree codes.
17979
179802005-05-18  Richard Sandiford  <rsandifo@redhat.com>
17981
17982	* config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
17983	* config/sh/sh.h: Update mask names throughout.
17984	(target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
17985	(SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
17986	(SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
17987	(HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
17988	(LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
17989	(HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
17990	(INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
17991	(TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
17992	(TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
17993	(TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
17994	(TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
17995	(TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
17996	(TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
17997	(TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
17998	(TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
17999	(TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
18000	(TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
18001	(TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
18002	(TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
18003	(TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
18004	(TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
18005	(TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
18006	(TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
18007	(TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
18008	(TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
18009	(SUBTARGET_SWITCHES): Delete.
18010	(TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
18011	(TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
18012	(TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
18013	(TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
18014	(TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
18015	(SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
18016	(SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
18017	(SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
18018	(SUPPORT_SH3): Likewise SUPPORT_SH2.
18019	(SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
18020	(SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
18021	SUPPORT_SH4_NOFPU.
18022	(SUPPORT_SH3E): Likewise SUPPORT_SH2E.
18023	(SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
18024	(SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
18025	(SUPPORT_SH4A): Likewise SUPPORT_SH4.
18026	(SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
18027	(SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
18028	(SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
18029	(SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
18030	(SUPPORT_ANY_SH5): New macros.
18031	(TARGET_NONE): Replace with...
18032	(MASK_ARCH): ...this new macro.
18033	* config/sh/elf.h: Update mask names
18034	* config/sh/linux.h: Likewise.
18035	* config/sh/little.h: Likewise.
18036	* config/sh/netbsd-elf.h: Likewise.
18037	* config/sh/symbian-pre.h: Likewise.
18038	* config/sh/sh.c (sh_handle_option): New function.
18039	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
18040	(calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
18041	(sh_target_switches, target_switches): Delete.
18042	(sh_pch_valid_p): Check for specific differences in the target_flags
18043	settings.
18044	(sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
18045	* config/sh/sh.opt: New file.
18046
180472005-05-18  Richard Henderson  <rth@redhat.com>
18048
18049	PR target/21632
18050	* config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
18051	small_addr_symbolic_operand.
18052
180532005-05-18  Jeff Law  <law@redhat.com>
18054
18055	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
18056	propagate an ADDR_EXPR if the definition and use sites are
18057	in different EH regions.
18058
180592005-05-18  Ian Lance Taylor  <ian@airs.com>
18060
18061	* read-rtl.c (mode_attr_index): Use obstack_grow0, not
18062	obstack_grow.
18063
180642005-05-18  Daniel Berlin  <dberlin@dberlin.org>
18065
18066	* cfgrtl.c (purge_dead_edges): Don't remove fake edges.
18067
180682005-05-18  Daniel Berlin  <dberlin@dberlin.org>
18069
18070	Fix PR tree-optimization/21407
18071
18072	* tree-ssa-operands.c (note_addressable): Change
18073	COMPONENT_REF handling in response to aliasing
18074	discussion.
18075
180762005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
18077
18078	* config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
18079	* config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
18080	* config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
18081	* doc/invoke.texi (SPARC options): Document that -mapp-regs is
18082	the default on Solaris too.
18083
180842005-05-17  Daniel Berlin  <dberlin@dberlin.org>
18085
18086	* tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
18087	is okay too.
18088
180892005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
18090
18091	* timevar.def (TV_SCEV_CONST): New timevar.
18092	* tree-optimize.c (init_tree_optimization_passes): Add
18093	pass_scev_cprop.
18094	* tree-pass.h (pass_scev_cprop): Declare.
18095	* tree-scalar-evolution.c (scev_const_prop): New function.
18096	* tree-scalar-evolution.h (scev_const_prop): Declare.
18097	* tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
18098	New.
18099	* tree-cfg.c (replace_uses_by): Export.
18100	* tree-flow.h (replace_uses_by): Declare.
18101
181022005-05-17  Ziemowit Laski  <zlaski@apple.com>
18103	    Mike Stump  <mrs@apple.com>
18104
18105	Yet more Objective-C++...
18106
18107	* c-common.h (objc_finish_try_stmt): Add.
18108	(objc_build_synchronized): Add.
18109	(objc_generate_write_barrier): Add.
18110	* stub-objc.c (objc_build_synchronized): Add return value.
18111	(objc_finish_try_stmt): Likewise.
18112	(objc_generate_write_barrier): Add.
18113
18114	* c-common.h (objc_rewrite_function_call): Add.
18115	* c-typeck.c (build_function_call): Allow objc to rewrite
18116	FUNCTION_DECLs.
18117	(build_modify_expr): Allow objc to generate write barriers.
18118	* c.opt (Wassign-intercept): Add.
18119	(Wstrict-selector-match): Add.
18120	(fobjc-call-cxx-cdtors): Add.
18121	(fobjc-direct-dispatch): Add.
18122	(fobjc-gc): Add.
18123	* dbxout.c (get_lang_number): Add Objective-C++ support.
18124	* doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
18125	(-Wstrict-selector-match): Likewise.
18126	(-fobjc-direct-dispatch): Likewise.
18127	(-Wassign-intercept): Likewise.
18128	(Overall Options): Likewise.
18129	* gengtype.c (get_output_file_with_visibility): Likewise.
18130	* stub-objc.c (objc_rewrite_function_call): Add.
18131	* config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
18132
18133	* c-common.c (flag_objc_exceptions): Remove.
18134	(flag_objc_sjlj_exceptions): Remove.
18135	* c-decl.c (objc_mark_locals_volatile): Don't change decls
18136	that are already ok.
18137	* c-opts.c (c_common_handle_option, case
18138	OPT_fobjc_exceptions): Remove.
18139	(case OPT_fobjc_sjlj_exceptions): Remove
18140	* c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
18141	(fobjc-exceptions): Likewise.
18142	(fobjc-sjlj-exceptions): Likewise.
18143	* config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
18144	(OFFS_ASSIGNIVAR_FAST): Add.
18145
181462005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
18147
18148	* config/sparc/sparc.md (movhi): Do not test constness
18149	of operand #1 twice.
18150	(movsi): Likewise.
18151	(movdi): Unconditionally accept zero as second operand
18152	when the first is memory.
18153	(movdi_insn_sp32): Handle above case.
18154	(DImode splitter): Use predicates.
18155	(DImode splitter): Use const_zero_operand predicate.
18156	(movsf_insn): Swap 2 alternatives.
18157
181582005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
18159
18160	* tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
18161	expand_simple_operations to bases of the ivs.
18162	(tree_int_cst_sign_bit): Export.
18163	* tree-flow.h (expand_simple_operations): Declare.
18164	* tree-ssa-loop-niter.c (number_of_iterations_cond): Use
18165	tree_int_cst_sign_bit.
18166	(expand_simple_operations): Export.
18167	* tree.h (tree_int_cst_sign_bit): Declare.
18168
181692005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
18170
18171	* tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
18172	merged block.
18173	(replace_uses_by): New function.
18174	(tree_merge_blocks): Eliminate the phi nodes in the merged block.
18175	* tree-flow.h (fold_stmt_inplace): Declare.
18176	* tree-ssa-ccp.c (fold_stmt_inplace): New function.
18177	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
18178	info after cfg cleanup.
18179
181802005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
18181
18182	* cfgloop.h (just_once_each_iteration_p): Declaration changed.
18183	* cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
18184	const.
18185
181862005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
18187
18188	* ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
18189	* ggc-zone.c (ggc_alloc_zone_1): Ditto.
18190	* timevar.c (timevar_ggc_mem_total): New variable.
18191	(GGC_MEM_BOUND): New constant.
18192	(get_time): Record ggc memory status.
18193	(timevar_accumulate): Accumulate amount of ggc memory.
18194	(timevar_print): Print consumption of ggc memory.
18195	* timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
18196	TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
18197	TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
18198	* timevar.h (struct timevar_time_def): Add ggc_mem field.
18199	(timevar_ggc_mem_total): Declare.
18200
182012005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
18202
18203	* tree-into-ssa.c (update_ssa): Clean up by shortening the
18204	live range of DFS.
18205
182062005-05-17  Hans-Peter Nilsson  <hp@axis.com>
18207
18208	* config/cris/cris.md (ncond, ocode, rcond): Remove separate
18209	define_code_attr.
18210	("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
18211	("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
18212	("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
18213	("s<ocond:code>"): Rename from respectively "b<ncond>",
18214	"b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
18215	"*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
18216	"s<rcond>" and "s<ocond>".
18217	("b<ocond:code>", "*b<ocond:code>_reversed")
18218	("*b<rcond:code>_reversed"): Remove extraneous backslashes in
18219	output statement section.
18220
182212005-05-17  Roger Sayle  <roger@eyesopen.com>
18222
18223	* c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
18224
182252005-05-17  Steven Bosscher  <stevenb@suse.de>
18226	    Stuart Hastings <stuart@apple.com>
18227	    Jan Hubicka  <jh@suse.cz>
18228	    Dale Johannesen  <dalej@apple.com>
18229
18230	* cgraph.h (cgraph_node): Add 'lowered' state.
18231	(cgraph_lower_function): Declare.
18232	* cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
18233	(cgraph_lower_function): New function.
18234	(cgraph_create_edges): Deal with lowered function bodies.
18235	(verify_cgraph_node): Likewise.
18236	(cgraph_analyze_function): Do lowering job.
18237	(cgraph_build_static_cdtor): Likewise.
18238	* function.h (struct function): Add saved_eh and saved_cfg.
18239	* integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
18240	* tree-cfg.c (fold_cond_expr_cond): Export.
18241	* tree-flow.h (fold_cond_expr_cond): Declare.
18242	* tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
18243	pointer-set.
18244	(struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
18245	in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
18246	callee_cfun, block, eh_region, eh_region_offset.
18247	(inlining_p): New predicate.
18248	(remap_decl): Update for new inline_data; declare newly created inline
18249	vars in low gimple way.
18250	(copy_body_r): Update for new datastructure, simplify some of handling
18251	when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
18252	deal with RESX_EXPRs.
18253	(copy_bb): New.
18254	(copy_edges_for_bb): Likewise.
18255	(remap_decl_1): New.
18256	(copy_cfg_body): New.
18257	(copy_generic_body): Rewrite to work on low gimple.
18258	(copy_body): Turn into simple wrapper around copy_cfg_body.
18259	(setup_one_parameter): Insert new statements into given basic block.
18260	(initialize_initialized_parameters): Likewise, reorganize way things are
18261	gimplified.
18262	(declare_return_variable): Update for new inline data datastructure.
18263	(inline_forbidden_p): Work on low gimple.
18264	(estimate_num_insns): Likewise.
18265	(expand_call_inline): Work on CFG.
18266	(push_cfun, pop_cfun): New functions.
18267	(cfun_stack): New stack.
18268	(add_lexical_block): New function.
18269	(gimple_expand_calls_inline): Work on basic block.
18270	(optimize_inline_calls): Likewise.
18271	(clone_body, save_body, unsave_ewpr_now): Update for new
18272	datastructures.
18273	(declare_inline_vars): Work on block instead of bind_expr.
18274	(inlining_p): New predicate.
18275	* tree-inline.h (push_cfun, pop_cfun): Declare.
18276	* tree-optimize.c: Include except.h
18277	(all_lowering_passes): New variable.
18278	(execute_fixup_cfg, pass_fixup_cfg): New pass.
18279	(init_tree_optimization_passes): Move some to all_lowering_passes.
18280	(tree_lowering_passes): New function.
18281	(tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
18282	* tree-pass.h (tree_lowering_passes): Declare
18283
182842005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
18285
18286	* unwind-dw2-fde-darwin.c: Include tsystem.h.
18287
182882005-05-17  Jeff Law  <law@redhat.com>
18289
18290	* Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
18291	* tree-ssa-forwprop.c: Include langhooks.h.
18292	(forward_propagate_addr_expr_into_variable_array_index): New.
18293	(forward_propagate_addr_expr): New.
18294	(tree_ssa_forward_propagate_single_use_vars): Loop over all
18295	the statements in the block instead of just the last statement.
18296	Call forward_propagate_addr_expr as needed.
18297	(pass_forwprop): Update the SSA graph after forward propagation is
18298	complete.
18299
183002005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
18301
18302	* unwind-dw2-fde-glibc.c (base_from_cb_data,
18303	_Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
18304	appropriate.
18305	* unwind-dw2-fde.c (__deregister_frame_info_bases,
18306	base_from_object, fde_split, end_fde_sort): Likewise.
18307	* unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op,
18308	execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
18309	uw_init_context_1): Likewise.
18310	* unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
18311	_Unwind_Resume_or_Rethrow): Likewise.
18312	* unwind-pe.h (__gxx_abort): Do not define.
18313	(size_of_encoded_value, base_of_encoded_value,
18314	read_encoded_value_with_base): Use gcc_unreachable.
18315	* unwind.h (_Unwind_GetTextRelBase): Likewise.
18316
183172005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
18318
18319	* config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
18320	(cfi_end): New macros.
18321	(RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
18322	(ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
18323	an eight byte stack frame.
18324	(__NR_tkill): Define.
18325	(__div0): Use gettid tkill on GNU/Linux.
18326	(_arm_return): Add CFI.
18327	(Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
18328
183292005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
18330
18331	* configure.ac: Remove spaces around assignment to
18332	gcc_cv_ld_sysroot.
18333	* configure: Regenerated.
18334
183352005-05-17  David Edelsohn  <edelsohn@gnu.org>
18336
18337	* config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
18338	* config/rs6000/rs6000.c (rs6000_explicit_options): Add
18339	aix_struct_ret.
18340	(rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
18341	Modify aix_struct_return variable, not target_flags.
18342	(rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
18343	(rs6000_return_in_memory): Test aix_struct_return.
18344	* config/rs6000/rs6000.opt (maix-struct-return): Convert to
18345	independent variable.  Report mxl-compat.
18346
183472005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
18348
18349	* config/bfin/bfin.md (eh_return): Add missing DONE.
18350
183512005-05-17  Ian Lance Taylor  <ian@airs.com>
18352
18353	* read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
18354	field.
18355	(mode_attr_index): Remove check for defined attribute.  Remove
18356	infile parameter.  Change all callers.
18357	(apply_mode_maps): Add unknown parameter.  Change caller.  Always
18358	return after finding attribute.
18359	(apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
18360	callers.
18361	(apply_macro_traverse): Set mtd->unknown_mode_attr.
18362	(read_rtx): Use mtd.unknown_mode_attr to check for an undefined
18363	attribute used for a mode.
18364
183652005-05-17  Paolo Bonzini  <bonzini@gnu.org>
18366
18367	* tree-ssa-math-opts.c: New file.
18368
183692005-05-17  Paolo Bonzini  <bonzini@gnu.org>
18370
18371	* Makefile.in: Add tree-ssa-math-opts.c.
18372	* expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
18373	* fold-const.c (distribute_real_division): New.
18374	(fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
18375	* tree-pass.h (pass_cse_reciprocals): New.
18376	* tree-optimize.c (init_tree_optimization_passes): Run it.
18377	* doc/passes.texi: Document the new pass.
18378
183792005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
18380
18381	PR middle-end/21595
18382	* builtins.c (fold_builtin_constant_p): Handle
18383	&"string cst"[0] as constant.
18384
183852005-05-17  Richard Henderson  <rth@redhat.com>
18386
18387	* config/i386/sse.md (mulv16qi3, mulv2di3): New.
18388
183892005-05-17  Jakub Jelinek  <jakub@redhat.com>
18390
18391	PR middle-end/21492
18392	* cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
18393	src2 if src2 has been split.
18394
18395	PR tree-optimization/21610
18396	* c-typeck.c (decl_constant_value_for_broken_optimization): If not
18397	returning DECL, call unshare_expr.
18398
183992005-05-17  Hans-Peter Nilsson  <hp@axis.com>
18400
18401	* config/cris/cris.md: Unquote preparation and output statements.
18402	(BWD, WD, BW): New, mode-macros.
18403	(S, s, m, mm, nbitsm1): New, mode-attrs.
18404	(szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
18405	(u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
18406	code-attrs.
18407	("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
18408	("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
18409	("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
18410	"*cmp_swapexthi".
18411	("cmp<mode>"): Replace "cmphi" and "cmpqi".
18412	("movdi"): Move misplaced head comment regarding necessity of
18413	movdi from movsi to here.
18414	("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
18415	"*mov_sidehi_biap".
18416	("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
18417	("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
18418	"*mov_sideqi_biap_mem".
18419	("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
18420	"*mov_sidehi_mem".
18421	("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
18422	"*clear_sidehi_biap" and "*clear_sideqi_biap".
18423	("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
18424	and "*clear_sideqi".
18425	("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
18426	"*ext_sidehisi_biap".
18427	("*ext_side<mode>si"): Replace "*ext_sideqisi" and
18428	"*ext_sidehisi".
18429	("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
18430	("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
18431	("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
18432	("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
18433	("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
18434	"zero_extendqisi2".
18435	("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
18436	"*op_sidehi_biap" and "*op_sidesi_biap".
18437	("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
18438	"*op_sidesi".
18439	("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
18440	"*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
18441	("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
18442	"*op_swap_sidehi" and "*op_swap_sidesi".
18443	("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
18444	in the N alternative of "subqi3".
18445	("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
18446	"*extophisi_side_biap".
18447	("*extop<mode>si_side"): Replace "*extopqisi_side" and
18448	"*extophisi_side".
18449	("*extop<mode>si_swap_side_biap"): Replace
18450	"*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
18451	("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
18452	"*extophisi_swap_side".
18453	("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
18454	("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
18455	"*extophisi_swap".
18456	("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
18457	"mulqihi3", "mulhisi3" and "mulhisi3".
18458	("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
18459	("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
18460	"umulsi3_highpart".
18461	("xor<mode>3"): Replace "xorhi3" and "xorqi3".
18462	("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
18463	("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
18464	("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
18465	("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
18466	("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
18467	"*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
18468	("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
18469	"*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
18470	("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
18471	("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
18472	("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
18473	"*ashlhi_lowpart".
18474	("abs<mode>2"): Replace "abshi2" and "absqi2".
18475	("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
18476	"bleu".
18477	("b<ocond>"): Replace "bgt" and "ble".
18478	("b<rcond>"): Replace "blt" and "bge".
18479	("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
18480	"*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
18481	"*bleu_reversed".
18482	("*b<ocond>_reversed"): Replace "*bgt_reversed" and
18483	"*ble_reversed".
18484	("*b<rcond>_reversed"): Replace "*blt_reversed" and
18485	"*blt_reversed".
18486	("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
18487	"sne".
18488	("s<rcond>"): Replace "sge" and "slt".
18489	("s<ocond>"): Replace "sgt" and "sle".
18490	("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
18491	[rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
18492	("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
18493	clear.w [rx=rx+i] and clear.b [rx=rx+i].
18494
184952005-05-17  Jakub Jelinek  <jakub@redhat.com>
18496
18497	* varasm.c (struct constant_descriptor_tree): Add hash field.
18498	(const_desc_hash): Just return hash field.
18499	(const_desc_eq): If hash values are different, return 0 immediately.
18500	(output_constant_def): Compute hash field of temporary key, use
18501	htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
18502	newly built constant descriptor.
18503	(lookup_constant_def): Compute hash field of temporary key, use
18504	htab_find_with_hash instead of htab_find.
18505
185062005-05-16  Richard Henderson  <rth@redhat.com>
18507
18508	* config/i386/sse.md (mulv4si3): New.
18509
185102005-05-17  Hans-Peter Nilsson  <hp@axis.com>
18511
18512	* config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
18513	tests for noncanonical versions of reg+constant and
18514	reg+reg*{1,2,4}.
18515
185162005-05-16  Richard Henderson  <rth@redhat.com>
18517	    Steven Bosscher <stevenb@suse.de>
18518
18519	PR tree-opt/21399
18520	* tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from
18521	maybe_clean_eh_stmt; take old stmt parameter.  Update EH
18522	region data structure to match replacement.
18523	* tree-flow.h: Update to match.
18524	* tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
18525	* tree-ssa-dom.c (optimize_stmt): Likewise.
18526	* tree-ssa-pre.c (eliminate): Likewise.
18527	* tree-ssa-propagate.c (substitute_and_fold): Likewise.
18528
185292005-05-16  Caroline Tice  <ctice@apple.com>
18530
18531	* bb-reorder.c (verify_hot_cold_block_grouping): Replace
18532	internal_error with gcc_assert.
18533	* dwarf2out.c (dwarf2out_switch_text_section): Likewise.
18534	* function.h (struct function): Remove space between "*" and
18535	struct field names.
18536	* varasm.c (initialize_cold_section_name):  Add gcc_assert;
18537	modify to use alloca.
18538	(unlikely_text_section): Add check for flag_function_sections.
18539	(assemble_start_function): Move call to resolve_section, so it
18540	comes before first call to unlikely_text_section.
18541	(assemble_end_function): Add test and call to function_section
18542	if appropriate.
18543
185442005-05-16  Roger Sayle  <roger@eyesopen.com>
18545
18546	* c-common.c (c_common_truthvalue_conversion): Use fold_build2
18547	instead of build_binary_op when performing code transformations
18548	to avoid error messages about constructs not it the user's code.
18549
185502005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
18551
18552	* tree-ssa-pre.c: Fix a comment typo.
18553
185542005-05-16  Richard Henderson  <rth@redhat.com>
18555
18556	PR target/21556
18557	* config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
18558	load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
18559	add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
18560	load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
18561	add_tprel22): Remove mode from symbolic operand.
18562
185632005-05-16  Richard Sandiford  <rsandifo@redhat.com>
18564
18565	* optc-gen.awk: Include intl.h after the externally-provided files.
18566
185672005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
18568
18569	* tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
18570	folding a COND_EXPR_COND in a nondestructive manner.
18571
185722005-05-16  Fariborz Jahanian <fjahanian@apple.com>
18573
18574	* config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh,
18575	altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
18576	New values for vec_select definitions and bitmask for element
18577	selection.
18578
185792005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
18580
18581	* dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
18582	Change the type to VEC(rtx,gc)*.
18583	(mem_loc_descriptor, add_const_value_attributes,
18584	dwarf2out_init): Adjust uses of used_rtx_varray.
18585
18586	* tree-data-ref.c (compute_all_dependences): Change the type
18587	of dependence_relations to VEC(ddr_p,heap)**.
18588	(compute_data_dependences_for_loop): Change the type of
18589	allrelations to VEC(ddr_p,heap)*.
18590
185912005-05-16  Richard Sandiford  <rsandifo@redhat.com>
18592
18593	* Makefile.in (options.c): Tell optc-gen.awk to include config.h,
18594	system.h, coretypes.h and tm.h.
18595	(options.o): Update dependencies accordingly.
18596	* optc-gen.awk: Allow header_name to be a list of filenames.
18597	Handle the "Condition" flag.
18598	* opts.h (CL_DISABLED): New flag.
18599	* opts.c (handle_option): Print an error for CL_DISABLED options.
18600	* doc/options.texi: Document the "Condition" option flag.
18601
186022005-05-16  Paolo Bonzini  <bonzini@gnu.org>
18603
18604	* tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
18605
186062005-05-15  Roger Sayle  <roger@eyesopen.com>
18607
18608	* tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
18609	check for TREE_OVERFLOW on INTEGER_CST trees.
18610	* tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
18611	CONSTANT_CLASS_P tree nodes.
18612
186132005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
18614
18615	PR target/21551
18616	* config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
18617
186182005-05-15  Daniel Berlin  <dberlin@dberlin.org>
18619
18620	Fix PR tree-optimization/21576
18621
18622	* tree-ssa-pre.c (expression_node_pool): New pool.
18623	(comparison_node_pool): Ditto.
18624	(list_node_pool): Ditto.
18625	(pool_copy_list): New function.
18626	(phi_translate): Handle CALL_EXPR.
18627	(valid_in_set): Ditto.
18628	(create_expression_by_pieces): Ditto.
18629	(insert_into_preds_of_block): Ditto.
18630	(insert_aux): Ditto.
18631	(compute_avail): Ditto.
18632	(create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
18633	(can_value_number_call): New function.
18634	(find_leader): Update comment.
18635	(init_pre): Create new pools.
18636	(fini_pre): Free new pools.
18637	(pass_pre): Add TODO_update_ssa for the future when we are going
18638	to need vops.
18639	* tree-vn.c (expressions_equal_p): Handle TREE_LIST.
18640	(set_value_handle): Ditto.
18641	(get_value_handle): Ditto.
18642
186432005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
18644
18645	* arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
18646
186472005-05-15  Andreas Jaeger  <aj@suse.de>
18648
18649	* gcc.c (pfatal_pexecute): Remove unused local function.
18650
186512005-05-15  Richard Sandiford  <rsandifo@redhat.com>
18652
18653	* optc-gen.awk: Remove excess indentation.
18654	* opth-gen.awk: Likewise.
18655
186562005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
18657
18658	* config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
18659	of basic_block_info.  Call init_flow and find_basic_blocks
18660	before dbr_schedule if needed.
18661
186622005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
18663
18664	* tree-optimize.c (init_tree_optimization_passes): Move
18665	pass_cd_dce in place of the last pass_dce.
18666
18667	PR tree-optimization/21563
18668	* tree-vrp.c (compare_value): Return boolean_false_node when
18669	SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
18670	strictly larger than CST.
18671
186722005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
18673	    Jan-Benedict Glaw  <jbglaw@lug-owl.de>
18674
18675	* config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
18676	gcc_assert().
18677	(rev_cond_name) Likewise.
18678	(vax_float_literal) Likewise.
18679	* config/vax/vax.md: Likewise.
18680
186812005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
18682
18683	* config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
18684	registers and use them (specifically the stack pointer).
18685	* config/vax/vax.h: Use above defines right here.
18686
18687	* config/vax/vax.c: (override_options) Remove 'register' keyword.
18688	(split_quadword_operands) Likewise. (rev_cond_name) Likewise.
18689	(vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
18690	whitespace.
18691	* config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
18692	mostly removal of trailing spaces...
18693	* config/vax/vax-modes.def: Remove trailing whitespace.
18694
18695	* config/vax/elf.h: Update whitespace.
18696
186972005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
18698
18699	Revert
18700	2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
18701	* fold-const.c (fold_indirect_ref_1): Avoid removing
18702	NOP_EXPRs with type qualifiers like const.
18703
187042005-05-14  Jan Hubicka  <jh@suse.cz>
18705
18706	Patch by Richard Henderson:
18707	* tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
18708	Handle RESX expressions properly.
18709
18710	* tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
18711	(add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
18712	(remove_stmt_from_eh_region_fn): Likewise.
18713
18714	* tree-cfg.c (execute_warn_function_return): Break out noreturn
18715	warning too..
18716	(execute_warn_function_noreturn): ... here.
18717	(pass_warn_function_noreturn): New pass.
18718	* tree-pass.h (pass_warn_function_noreturn): Declare
18719	* tree-optimize.c (init_tree_optimization_passes): Move return
18720	warnings early and add noreturn warnings at place of previous
18721	return warnings.
18722
187232005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
18724
18725	* tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
18726	root_var_init, type_var_init): Use VEC instead of VARRAY.
18727	* tree-ssa-live.h (tree_partition_associator_d): Change the
18728	type of trees to VEC(tree,heap)*.
18729	(tpa_tree): Use VEC instead of VARRAY.
18730
187312005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
18732
18733	* fold-const.c (div_if_zero_remainder): New function.
18734	(try_move_mult_to_index): Use it.
18735
187362005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
18737
18738	* tree-eh.c (leh_tf_state): Change the type of dest_array to
18739	VEC(tree,heap)*.
18740	(maybe_record_in_goto_queue, lower_try_finally_onedest,
18741	lower_try_finally_copy, lower_try_finally_switch,
18742	lower_try_finally): Use VEC instead of VARRAY.
18743
187442005-05-14  Hans-Peter Nilsson  <hp@axis.com>
18745
18746	* config/cris/cris.h (Node: Register Classes): Remove obsoleted
18747	comment regarding defined register classes.
18748	(LEGITIMIZE_RELOAD_ADDRESS): Do not define.
18749
187502005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
18751
18752	* tree-optimize.c (init_tree_optimization_passes): Move
18753	pass_merge_phi before the first pass_dominator.
18754
187552005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
18756
18757	* arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
18758	unconditional.
18759
187602005-05-13  Josh Conner  <jconner@apple.com>
18761
18762	* config/arm/arm.c (arm_size_return_regs): New.
18763	(thumb_unexpanded_epilogue): replace in-line calculation
18764	of return registers with call to arm_size_return_regs.
18765	(use_return_insn): Include test of which registers are
18766	being used to hold return values, to accommodate
18767	vector return values.
18768
187692005-05-11  Aldy Hernandez  <aldyh@redhat.com>
18770
18771	* config/rs6000/sysv4.opt (mlittle): Handle.
18772
18773	* config/rs6000/rs6000.c (rs6000_handle_option): Set
18774	target_flags_explicit when appropriate.
18775
187762005-05-13  J"orn Rennecke <joern.rennecke@st.com>
18777
18778	PR middle-end/20714:
18779	* optabs.c (no_conflict_data): New struct.
18780	(no_conflict_move_test): New function.
18781	(emit_no_conflict_block): Use it.
18782
187832005-05-13  Adam Nemet  <anemet@lnxw.com>
18784
18785	* doc/invoke.texi (Debugging Options): Option
18786	-fdump-translation-unit only works with C++ now.
18787
187882005-05-13  Hans-Peter Nilsson  <hp@axis.com>
18789
18790	Replace calls to abort in CRIS port.
18791	* config/cris/cris.h (CRIS_ASSERT): New macro.
18792	* config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
18793	internal_error instead of abort.
18794	("movsi"): Ditto.  Unquote preparation statement section.
18795	("call", "call_value"): Ditto, but use gcc_assert where
18796	appropriate.  Tweak comments.
18797	* config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
18798	CRIS_ASSERT.
18799	(cris_op_str): Call internal_error, not abort.
18800	(cris_print_operand): Tweak "abort" reference to "die" in comment.
18801	(cris_initial_elimination_offset): Call gcc_unreachable, not abort.
18802	(cris_notice_update_cc): Call internal_error, not abort.
18803	(cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
18804	(cris_emit_movem_store, cris_asm_output_symbol_ref)
18805	(cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
18806	(cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
18807	ENABLE_CHECKING-guarded abort call.
18808	(cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
18809	Use internal_error at end of test-chain.
18810
188112005-05-13  J"orn Rennecke <joern.rennecke@st.com>
18812
18813	PR rtl-optimization/20769:
18814	* bt-load.c (compute_defs_uses_and_gen): Check for the blockage
18815	pattern emitted by expand_nl_goto_receiver.
18816
18817	PR middle-end/20793:
18818	* integrate.c (allocate_initial_values): Update register liveness
18819	information.
18820
188212005-05-13  Josh Conner  <jconner@apple.com>
18822
18823	* arm.c (arm_return_in_memory): Add handling for vector return types.
18824
188252005-05-13  David Ung  <davidu@mips.com>
18826
18827	* config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
18828	name.
18829	* config/mips/mips.c: Add 4km alias.
18830	* config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
18831	* config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
18832	description.
18833
188342005-05-13  Jan Hubicka  <jh@suse.cz>
18835
18836	* c-decl.c (finish_function): Suppress "control reaches end of
18837	non-void function" when "no return statement in function
18838	returning non-void" is issued.
18839
18840	* tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
18841	* tree-optimize.c (pass_gimple): Kill.
18842	(init_tree_optimization_passes): Kill pass_gimple.
18843	* tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
18844	* tree-dump.c (dump_files): Rename .generic to .gimple.*
18845
188462005-05-13  J"orn Rennecke <joern.rennecke@st.com>
18847
18848	PR rtl-optimization/20756:
18849	* basic-block.h (PROP_DEAD_INSN): Define.
18850	* flow.c (propagate_one_insn): Set during mark_set_regs call
18851	for a dead insn.
18852	(mark_set_1): Emit a clobber when we are about to delete a dead insn
18853	that kills a live register.
18854
188552005-05-13  Adrian Straetling  <straetling@de.ibm.com>
18856
18857	* config/s390/s390.md: ("DBL"): New mode attribute.
18858	("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
18859	("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
18860	("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
18861
188622005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
18863
18864	* c-format.c (check_format_arg): Handle string literals of
18865	the form &"string"[offset].
18866
18867	* g++.dg/warn/format4.C: New testcase.
18868
188692005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
18870
18871	* config/mips/3000.md, config/mips/4000.md,
18872	config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
18873	config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
18874	config/mips/generic.md, config/pdp11/pdp11.md,
18875	config/sh/crt1.asm, config/sh/lib1funcs.asm,
18876	config/sh/sh-modes.def, config/sh/sh-protos.h,
18877	config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
18878
188792005-05-13  Richard Henderson  <rth@redhat.com>
18880
18881	* function.c (instantiate_virtual_regs_in_insn): Do not simplify
18882	addition to move unless dest is a register.  Do not skip
18883	instantiation in dest on addition simplification.
18884
188852005-05-13  Hans-Peter Nilsson  <hp@axis.com>
18886
18887	* config/cris/cris.c (cris_print_operand) <case 'H'; case
18888	CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
18889	output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
18890
188912005-05-13  Jan Hubicka  <jh@suse.cz>
18892
18893	* basic-block.h (FOR_ALL_BB_FN): New macro.
18894	(init_flow): Initialize cfg structure.
18895	* function.c (allocate_struct_function): Do not initialize cfg structure.
18896	* tree-cfg.c (init_empty_tree_cfg): Break out from ...
18897	(build_tree_cfg): ... here.
18898	* tree-flow.h (init_empty_tree_cfg): Declare.
18899
189002005-05-12  Steven Bosscher <stevenb@suse.de>
18901
18902	Fix PR tree-optimization/21520
18903	* tree-ssa-pre.c (phi_translate): Use fully_constant_expression
18904	to attempt to fold constants.
18905
189062005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
18907
18908	* config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
18909	only when TARGET_ADJUST_UNROLL_MAX is defined.
18910	(general_movsrc_operand): Use the C style comment.
18911	(ua_offset): Use prototype.
18912
189132005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
18914
18915	* tree-ssa-loop-im.c (struct mem_ref): Add field "next".
18916	(struct hmr_data, hoist_memory_reference, memref_del,
18917	struct fmrv_data): Removed.
18918	(hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
18919	(gather_mem_refs, gather_mem_refs_stmt): Add new references to the
18920	list.
18921	(find_more_ref_vops): Traverse the list of memory references.
18922	(determine_lsm_loop): Work with the list of memory references instead
18923	of traversing the hashtable.
18924
189252005-05-12  Steven Bosscher  <stevenb@suse.de>
18926	    Stuart Hastings <stuart@apple.com>
18927	    Jan Hubicka  <jh@suse.cz>
18928
18929	* except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
18930	duplicate_eh_regions): New functions, based on old
18931	implementation removed with RTL inliner.
18932	(reachable_next_level): Modify behaviour pre-inline.
18933	* except.h (duplicate_eh_regions_map, duplicate_eh_regions):
18934	Declare.
18935	* function.h (struct function): Add after_inlining flag.
18936	* tree-optimize.c (tree_rest_of_compilation): Set it.
18937	* tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
18938	when needed.
18939	* tree-cfg.c (label_to_block_fn): Deal with cases where
18940	label was never insterted into code.
18941
189422005-05-12  Zack Weinberg  <zack@codesourcery.com>
18943
18944	* doc/cpp.texi: Document that #sccs is a synonym for #ident.
18945
189462005-05-12  Daniel Berlin  <dberlin@dberlin.org>
18947
18948	Fix PR tree-optimization/21532
18949	* tree-ssa-pre.c (create_expression_by_pieces): stmt
18950	needs to go onto the inserted_exprs list.
18951
189522005-05-12  Ian Lance Taylor  <ian@airs.com>
18953
18954	* c-common.h (statement_code_p): Don't declare.
18955	(STATEMENT_CODE_P): Don't define.
18956	(INIT_STATEMENT_CODES): Don't define.
18957	* c-common.c (statement_code_p): Don't define.
18958
189592005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
18960
18961	* config/sparc/sparc.h: Remove dead code.
18962	* config/sparc/sparc.c (sparc_compute_frame_size): Use
18963	FIRST_PARM_OFFSET for the size of the register window area.
18964	(emit_save_regs): Rename into emit_save_or_restore_regs.
18965	Add 'action' parameter.  Use 4095 as upper bound for the offset.
18966	Pass 'action' to save_or_restore_regs.
18967	(emit_restore_regs): Delete.
18968	(sparc_expand_prologue): Call emit_save_or_restore_regs.
18969	(sparc_expand_epilogue): Likewise.
18970	* config/sparc/sparc.md (mode macro P): Move.
18971	(movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
18972	(mov<V32:mode> expander): Move to the top of the V32 section.
18973	(movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
18974	(movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
18975	(sibcall_epilogue): Move.
18976
189772005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
18978
18979	PR target/21501
18980	* arm.c (arm_gen_constant): Sign-extend intermediate values when
18981	synthesizing a constant of the difference of two immediates.
18982
189832005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
18984
18985	* arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
18986	(negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
18987	the alternatives using integer registers into the appropriate
18988	primitives.
18989
189902005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18991
18992	* bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
18993	bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
18994	* bitmap.h: Fixed comments.
18995
189962005-05-11  Richard Henderson  <rth@redhat.com>
18997
18998	PR target/21412
18999	* config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
19000	(ia64_cannot_force_const_mem): New.
19001	(tls_symbolic_operand_type): New.
19002	(ia64_legitimate_constant_p): New.
19003	(ia64_expand_load_address): Return true on success.  Improve
19004	checks for when we should not split.
19005	(ia64_expand_tls_address): New addend operand.  Distribute it
19006	as appropriate to the tls_kind.  Delay referencing gp.
19007	(ia64_expand_move): Split symbolic addend as necessary.  Handle
19008	tls symbols with addends.
19009	* config/ia64/ia64-protos.h: Update.
19010	* config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
19011	p0, f0, f1, and r13.
19012	(LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
19013	* config/ia64/ia64.md (UNSPEC_DTPMOD): New.
19014	(symbolic_operand splitter): Pass everything through
19015	ia64_expand_load_address and FAIL or DONE as appropriate.
19016	(load_fptr): Only accept after reload.
19017	(load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
19018	load_symptr_low, load_ltoff_dtpmod,
19019	(load_dtpmod): New.
19020	(load_dtprel): Only accept tls symbols.
19021	(load_dtprel64, load_dtprel22): Likewise.
19022	(load_tprel, load_tprel64, load_tprel22): Likewise.
19023	(load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
19024	(add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
19025	(add_dtprel14, add_dtprel22): Likewise.
19026	(add_tprel, add_tprel14, add_tprel22): Likewise.
19027	* config/ia64/predicates.md (small_addr_symbolic_operand): New.
19028	(any_offset_symbol_operand, aligned_offset_symbol_operand): New.
19029	(got_symbolic_operand): Check CONST offsets.
19030	(tls_symbolic_operand, ld_tls_symbolic_operand): New.
19031	(ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
19032	(move_operand): Don't handle tls here.  Check CONST offsets.
19033
190342005-05-11  Richard Sandiford  <rsandifo@redhat.com>
19035
19036	* config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
19037	Remove hilo_operand check.
19038	(rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
19039	* config/mips/predicates.md (hilo_operand): Delete.
19040
190412005-05-11  Richard Sandiford  <rsandifo@redhat.com>
19042
19043	* config/mips/sr71k.md, config/mips/7000.md: Reformat.
19044
190452005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
19046
19047	PR tree-optimizer/18472
19048	* tree-if-conv.c (tree_if_convert_stmt,
19049	if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
19050
190512005-05-11  Jan Hubicka  <jh@suse.cz>
19052
19053	* Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
19054	(GTFILES): add except.h.
19055	* except.c (eh_status): Add throw_stmt_table.
19056	(set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
19057	* except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
19058	lookup_stmt_eh_region_fn): Declare.
19059	(throw_stmt_node): New structure.
19060	(set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
19061	* gengtype.c (open_base_files): Add except.h to inlines.
19062	* tree-eh.c (throw_stmt_node): Kill.
19063	(record_stmt_eh_region): Update.
19064	(add_stmt_to_eh_region_fn): Break out from ...
19065	(add_stmt_to_eh_region): ... here.
19066	(remove_stmt_from_eh_region_fn): Break out from ...
19067	(remove_stmt_from_eh_region): ... here.
19068	(lookup_stmt_eh_region_fn): Break out from ...
19069	(lookup_stmt_eh_region): ... here.
19070	(honor_protect_cleanup_actions): Use build_resx.
19071	(lower_try_finally_onedest): Likewise.
19072	(lower_try_finally_copy): Likewise.
19073	(lower_try_finally_switch): Likewise.
19074	(lower_eh_constructs): Update eh table construction.
19075	* tree.c (build_resx): New.
19076	* tree.h (build_resx): Declare.
19077
190782005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
19079
19080	* libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
19081	is needed.
19082
190832005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
19084
19085	* fold-const.c, libgcov.c: Fix comment typos.
19086
19087	* tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
19088	redundant code.
19089
190902005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
19091
19092	* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
19093	* config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
19094	default definition.
19095	(FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
19096
190972005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
19098
19099	PR bootstrap/21481
19100	* crtstuff.c: Include auto-host.h again, for now.
19101
191022005-05-11  Richard Sandiford  <rsandifo@redhat.com>
19103
19104	* config/mips/24k.md: Remove trailing whitespace.
19105
191062005-05-11  David Ung  <davidu@mips.com>
19107
19108	* config/mips/mips.md (type): Add imul3.
19109	(length, hazard, may_clobber_hilo): Check for imul3.
19110	(mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
19111	(*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
19112	* config/mips/24k.md (r24k_int_mul3): Enable this reservation
19113	for a 3 operand mul and its bypasses.
19114	* config/mips/3000.md (r3k_imul): Add imul3 to reservations.
19115	* config/mips/4000.md (r4k_imul): Likewise.
19116	* config/mips/4100.md (r4100_imul_si, r4100_imul_di): Likewise.
19117	* config/mips/4130.md (vr4130_class, vr4130_mulsi)
19118	(vr4130_muldi): Likewise.
19119	* config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
19120	* config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
19121	* config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
19122	* config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
19123	(ir_vr54_imadd_si): Likewise.
19124	* config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di): Likewise.
19125	* config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
19126	(rm7_impy_di): Likewise.
19127	* config/mips/9000.md (rm9k_mulsi, rm9k_muldi): Likewise.
19128	* config/mips/generic.md (generic_imul): Likewise.
19129	* config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
19130	* config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di): Likewise.
19131
191322005-05-11  J"orn Rennecke <joern.rennecke@st.com>
19133
19134	PR middle-end/20371:
19135	* tree.h (record_layout_info_s): New member prev_packed.
19136	* stor-layout.c (update_alignment_for_field): Fix comment about
19137	KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
19138	we start it properly aligned.
19139	(place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
19140	to update_alignment_for_field, and recompute it afterwards using
19141	the alignment of the record.
19142	When a packed bitfield precedes an MS bitfield, don't add padding
19143	at the end of the packed bitfield on behalf of the base type of
19144	the packed bit field.
19145	Don't adjust rli->bitpos at the end
19146	of an MS bitfield run if we already adjusted bitpos/offset for an
19147	alignment as large or larger than the bitfield type size.
19148	Take possible record alignment > BIGGEST_ALIGNMENT into account
19149	when calculating actual_align.
19150	Only put packed buit fields into rli->prev_field if they end up
19151	suitably aligned.
19152	Also set rli->remaining_in_alignment when we re-set rli->prev_field.
19153	Update rli->remaining_in_alignment when we have already started a
19154	run of bit fields and we process a packed bit field.
19155
191562005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
19157
19158	* tree-data-ref.c (find_data_references_in_loop): Give up when
19159	the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
19160	may embed arbitrary side effects.
19161	Remove the assumption that GIMPLE form contains a single array
19162	access per statement.
19163	When the statement contains virtual operands, fail if it is not
19164	a MODIFY_EXPR or a CALL_EXPR.
19165	Return after the dont know node is inserted.
19166
191672005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
19168
19169	* arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
19170
191712005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
19172
19173	PR middle-end/19807
19174	PR tree-optimization/19639
19175	* fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
19176	and generic summands for char* as s * delta, too, folding &a[i]
19177	CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
19178	for comparison of steps.  Convert types for index addition.
19179	(fold_binary): Adjust the callers to always dispatch to
19180	try_move_mult_to_index.
19181	* tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
19182	expr with non-gimple ARRAY_REF offset.
19183
191842005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
19185
19186	* fold-const.c (fold_indirect_ref_1): Avoid removing
19187	NOP_EXPRs with type qualifiers like const.
19188
191892005-05-11  Richard Henderson  <rth@redhat.com>
19190
19191	PR c/21502
19192	* c-decl.c (finish_decl): Propagate the completed array type of
19193	a global variable into the binding.
19194
191952005-05-10  Matt Kraai  <kraai@ftbfs.org>
19196
19197	* Makefile.in (gtype-desc.o, build/genautomata.o)
19198	(build/varray.o): Depend on $(VARRAY_H).
19199
192002005-05-10  Diego Novillo  <dnovillo@redhat.com>
19201
19202	* tree-optimize.c (init_tree_optimization_passes): Re-organize
19203	optimization passes to do an initial batch of scalar cleanups.
19204
192052005-05-10  Ian Lance Taylor  <ian@airs.com>
19206
19207	* read-rtl.c (struct macro_traverse_data): Define.
19208	(map_attr_string): New static function, broken out of
19209	apply_macro_to_string.
19210	(mode_attr_index, apply_mode_maps): New static functions.
19211	(apply_macro_to_string): Call map_attr_string.
19212	(apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
19213	all callers.
19214	(apply_macro_traverse): Expect data to point to a struct
19215	macro_traverse_data.
19216	(read_rtx): Add mode_maps local variable.  Use mode_traverse_data
19217	to pass data through htab_traverse.
19218	(read_rtx_1): Add mode_maps parameter.  Change all callers.
19219	Handle mode names which are attribute strings.
19220	* doc/md.texi (Substitutions): Rename from String Substitutions.
19221	Change references.  Document using attributes as modes.
19222
192232005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
19224
19225	* tree-cfg.c (tree_duplicate_sese_region): Update profile.
19226	* tree-optimize.c (init_tree_optimization_passes) Swap
19227	pass_ch and pass_profile.
19228	* tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
19229	here.  Remove rewrite_into_loop_closed_ssa call.
19230
192312005-05-10  Adrian Straetling  <straetling@de.ibm.com>
19232
19233	* config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
19234	function.
19235	(legitimate_reload_constant_p): Add check for const double zero.
19236	* config/s390/s390.md: Add comment for constraint letter 'G'.
19237	("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
19238	attributes for new case.
19239	* config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
19240	s390_const_double_ok_for_constraint_p.
19241	* config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
19242	Add prototype.
19243
192442005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
19245
19246	PR tree-optimization/21170
19247	* tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
19248	rewrite_ssa_into_ssa in comments with update_ssa.
19249
192502005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
19251
19252	* tree-ssa-loop-im.c: Include hashtab.h.
19253	(struct mem_ref_loc): New.
19254	(struct mem_ref): Describe the set of references with the same
19255	shape.
19256	(max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
19257	maybe_queue_var, fem_single_reachable_address,
19258	for_each_memref, single_reachable_address,
19259	is_call_clobbered_ref, determine_lsm_reg): Removed.
19260	(record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
19261	hoist_memory_reference, memref_hash, memref_eq, memref_del,
19262	gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
19263	New functions.
19264	(rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
19265	(determine_lsm_loop): Rewritten.
19266	(determine_lsm): Do not set stmt uids.
19267
192682005-05-10  Adrian Straetling  <straetling@de.ibm.com>
19269
19270	* config/s390/s390.md: Add comment lines for 'f' and 't' constraint
19271	letters.
19272
192732005-05-10  Adrian Straetling  <straetling@de.ibm.com>
19274
19275	* config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
19276	("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
19277	("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
19278
192792005-05-10  Jeff Law  <law@redhat.com>
19280
19281	* tree-ssa-dom.c (dom_opt_finalize_block): Do not call
19282	thread_across_edge for any abnormal edges.
19283
192842005-05-10  Richard Henderson  <rth@redhat.com>
19285
19286	* config/ia64/ia64.c (ia64_expand_atomic_op): New.
19287	* config/ia64/ia64-protos.h: Declare it.
19288	* config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
19289	(sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
19290	(sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
19291	(sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
19292	(sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
19293	(cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
19294	extend result; use release semantics.
19295	(cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
19296	(sync_val_compare_and_swap_<IMODE>): Update to match.
19297
192982005-05-10  Richard Henderson  <rth@redhat.com>
19299
19300	* optabs.c (expand_compare_and_swap_loop): Don't clobber old value
19301	before comparing it for success.
19302
193032005-05-10  Richard Henderson  <rth@redhat.com>
19304
19305	* config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
19306	no return value pattern.
19307
193082005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
19309	    H.J. Lu  <hongjiu.lu@intel.com>
19310
19311	* libgcov.c (create_file_directory): New function. Create
19312	directory for the given file name.
19313	(gcov_max_filename): New static var. Keeps size of the longest
19314	file name.
19315	(gcov_exit): Always try to create directory for output
19316	file. Relocate each filename basing on environment vars.
19317	(__gcov_init): Remember the longest file name.
19318	* tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
19319	* doc/gcov.texi (Cross-profiling): New node documenting
19320	cross-profiling management.
19321	* doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
19322
193232005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
19324
19325	* config/sparc/sparc.c (mem_min_alignment): Do not rely
19326	on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
19327
193282005-05-10  Bob Wilson  <bob.wilson@acm.org>
19329
19330	* config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
19331	case code to avoid one move instruction.
19332	(__umodsi3, __modsi3): Merge duplicated code sequences.
19333
193342005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
19335
19336	* config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
19337	config/sh/sh.md, config/sh/superh.h: Fix comment typos.
19338	* doc/invoke.texi: Fix typos.
19339
19340	* tree-data-ref.c (analyze_array_indexes, analyze_array,
19341	init_data_ref, access_functions_are_affine_or_constant_p,
19342	free_data_refs): Use VEC instead of VARRAY.
19343	* tree-data-ref.h (data_reference): Change the type of
19344	access_fns to VEC(tree,gc)*.
19345	(DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
19346
193472005-05-10  Gabor Loki <loki@gcc.gnu.org>
19348
19349	PR c/17913
19350	* c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
19351	* fold-const.c (fold): Expand the condition of reducing cond_expr.
19352	(contains_label_1, contains_label_p): New functions for checking
19353	labels in a sub-tree.
19354
193552005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
19356
19357	PR c/21342
19358	* c-decl.c (pushdecl): When there is a declaration in the current
19359	scope and the declarations are external linkage, check for
19360	compatibility with the type in the external scope and update the
19361	type in the external scope with the composite type information.
19362	Do not form a composite type of the new type and the visible type
19363	if they are incompatible.
19364
193652005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
19366
19367	* crtstuff.c: Revert part of 2005-05-08 Change.
19368	(IN_LIBGCC2): Define.
19369
193702005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
19371
19372	* config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
19373	remove redundant test.
19374	(fp_mov_p): Accept 0.
19375	(fp_high_losum_p): Remove redundant test.
19376	* config/sparc/predicates.md (const_high_operand): Explicitly test
19377	(not small_int_operand).
19378	(fp_const_high_losum_operand): New.
19379	* config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
19380	(movdi_insn_sp32_v9): Use canonical predicates.
19381	(movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
19382	(movdi_insn_sp64_novis): Delete.
19383	(movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
19384	(movsf_insn_novis): Delete.
19385	(movsf_insn_vis): Rename into movsf_insn.
19386	(movsf_no_f_insn): Rename into movsf_insn_no_fpu.
19387	(movsf_lo_sum): Use fp_const_high_losum_operand.
19388	(movsf_high): Likewise.
19389	(movsf_high_losum splitter): Likewise.
19390	(mov<V32:mode> expander): Use register_or_zero_operand.
19391	(mov<V64:mode> expander): Likewise.
19392	(movdf_insn_sp32): Use register_or_zero_operand.
19393	(movdf_no_e_insn_sp32): Use register_or_zero_operand.
19394	Rename into movdf_insn_sp32_no_fpu.
19395	(movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
19396	Rename into movdf_insn_sp32_v9_no_fpu.
19397	(movdf_insn_v9only_novis): Delete.
19398	(movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
19399	(movdf_insn_sp64_novis): Delete.
19400	(movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
19401	(movdf_no_e_insn_sp64): Use register_or_zero_operand.
19402	Rename into movdf_insn_sp64_no_fpu.
19403	(movtf expander): Use register_or_zero_operand.
19404	(movtf_insn_sp32): Delete.
19405	(movtf_insn_vis_sp32): Use register_or_zero_operand.
19406	Rename into movtf_insn_sp32.
19407	(movtf_no_e_insn_sp32): Use register_or_zero_operand.
19408	Rename into movtf_insn_sp32_no_fpu.
19409	(movtf_insn_hq_sp64): Delete.
19410	(movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
19411	Rename into movtf_insn_sp64_hq.
19412	(movtf_insn_sp64): Delete.
19413	(movtf_insn_vis_sp64): Use register_or_zero_operand.
19414	Rename into movtf_insn_sp64.
19415	(movtf_no_e_insn_sp64): Use register_or_zero_operand.
19416	Rename into movtf_insn_sp64_no_fpu.
19417
194182005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
19419
19420	* config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
19421	gcc_assert and gcc_unreachable as appropriate.
19422	(xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
19423	xstormy16_output_cbranch_si, xstormy16_split_move,
19424	xstormy16_initial_elimination_offset,
19425	xstormy16_encode_section_info, xstormy16_print_operand_address,
19426	xstormy16_expand_call, xstormy16_expand_arith,
19427	xstormy16_output_shift, xstormy16_init_builtins): Likewise.
19428
194292005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
19430
19431	* tree-outof-ssa.c (_elim_graph): Change the type of nodes and
19432	const_copies to VEC(tree,heap)*.
19433	(new_elim_graph, delete_elim_graph, elim_graph_size,
19434	elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
19435	instead of VARRAY.
19436
194372005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
19438
19439	PR other/21052
19440	* doc/extend.texi (Type Attributes): Correct example syntax.
19441
194422005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
19443
19444	PR c/21160
19445	* doc/invoke.texi (-Wuninitialized): Update documentation.
19446
194472005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
19448
19449	* arm.c (const_ok_for_arm): Use a faster algorithm.
19450
194512005-05-09  David Edelsohn  <edelsohn@gnu.org>
19452
19453	PR target/21477
19454	* config/rs6000/rs6000.md (add_op2): New.
19455	(add<mode>3): Use it.
19456
194572005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
19458
19459	* arm.c (arm_gen_constant): Add new heuristic for generating
19460	constant integers that can be expressed as the difference of two
19461	valid immediates.
19462
194632005-05-09  Roger Sayle  <roger@eyesopen.com>
19464
19465	* c-tree.h (parser_build_unary_op): New prototype.
19466	* c-typeck.c (parser_build_unary_op): New function to construct
19467	a unary operation in the C parser.
19468	* c-parser.c (c_parser_unary_expression): Use the new function
19469	parser_build_unary_op when appropriate.
19470
194712005-05-09  Mark Mitchell  <mark@codesourcery.com>
19472
19473	PR 18655
19474	* dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
19475	before outputting DWARF_FRAME_RETURN_COLUMN.
19476
194772005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19478
19479	* config/s390/s390.c: (s390_branch_condition_mask,
19480	s390_branch_condition_mnemonic, s390_extra_constraint_str,
19481	s390_const_ok_for_constraint_p, s390_expand_plus_operand,
19482	legitimize_pic_address, s390_emit_tls_call_insn,
19483	legitimize_tls_address, legitimize_tls_address,
19484	s390_expand_addcc, print_shift_count_operand, print_operand,
19485	addr_generation_dependency_p, annotate_constant_pool_refs,
19486	s390_split_branches, find_constant_pool_ref,
19487	replace_constant_pool_ref, s390_add_constant, s390_find_constant,
19488	s390_find_execute, s390_mainpool_start, s390_chunkify_start,
19489	s390_output_pool_entry, s390_function_value,
19490	s390_call_saved_register_used, s390_emit_call): Replace
19491	conditional aborts by gcc_assert and unconditional by gcc_unreachable.
19492	(s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
19493	s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
19494	get_some_local_dynamic_name, s390_function_arg_size,
19495	s390_function_arg_advance, s390_function_arg,
19496	s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
19497	default case by gcc_unreachable.
19498	* config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
19499	conditional abort by gcc_assert.
19500	("doloop_si31"): Replace abort in last else by gcc_unreachable.
19501	("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
19502
195032005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19504
19505	* config/s390/s390.c: (s390_decompose_address,
19506	tls_symbolic_operand, legitimate_pic_operand_p,
19507	legitimate_constant_p, legitimate_reload_constant_p,
19508	s390_expand_plus_operand, legitimate_address_p,
19509	legitimate_la_operand_p, ): Remove 'register' from signature.
19510	(symbolic_reference_mentioned_p,
19511	tls_symbolic_reference_mentioned_p): Remove 'register' from local
19512	variable declarations.
19513	(legitimize_address): Remove 'register' from
19514	signature and local variable declarations.
19515
195162005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19517
19518	* config/s390/s390-protos.h: (s390_match_ccmode,
19519	s390_match_ccmode_set, reg_used_in_mem_p,
19520	symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
19521	legitimate_la_operand_p, preferred_la_operand_p,
19522	s390_short_displacement, addr_generation_dependency_p,
19523	legitimate_reload_constant_p, legitimate_address_p): Change return type
19524	into 'bool'.
19525	(s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
19526	* config/s390/s390.c: (s390_match_ccmode,
19527	symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
19528	legitimate_reload_constant_p): Change return type into 'bool'.
19529	(preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
19530	Likewise.  Additionally adapted comment.
19531	(s390_extra_constraint_p): Change Comment to reflect 'int' return type.
19532	(s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
19533	(s390_decompose_address): Change the type of the internal flags
19534	"pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
19535	(struct s390_address): Change type of "pointer" into bool.
19536	* config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
19537	Adapt calls for 's390_tm_ccmode' to the new signature.
19538
195392005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19540
19541	* config/s390/s390.c: (s390_match_ccmode_set,
19542	s390_branch_condition_mnemonic, s390_short_displacement,
19543	s390_decompose_address, get_thread_pointer, legitimize_tls_address,
19544	print_shift_count_operand, get_some_local_dynamic_name,
19545	get_some_local_dynamic_name_1, reg_used_in_mem_p,
19546	addr_generation_dependency_p, s390_split_branches,
19547	annotate_constant_pool_refs, find_constant_pool_ref,
19548	replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
19549	s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
19550	s390_register_info, s390_frame_info, s390_init_frame_layout,
19551	s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
19552	restore_gprs, s390_function_arg_size, s390_function_arg_float,
19553	s390_init_machine_status, s390_assemble_integer, s390_handle_option,
19554	s390_encode_section_info, s390_cannot_force_const_mem,
19555	s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
19556	s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
19557	s390_adjust_priority, s390_issue_rate,
19558	s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
19559	s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
19560	s390_build_builtin_va_list, s390_gimplify_va_arg,
19561	s390_function_ok_for_sibcall, s390_call_saved_register_used,
19562	s390_pass_by_reference, s390_fixed_condition_code_regs,
19563	s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
19564	s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
19565	s390_chunkify_cancel, s390_start_pool, s390_end_pool,
19566	s390_add_pool_insn, s390_find_pool, s390_add_constant,
19567	s390_find_constant, s390_add_execute, s390_find_execute,
19568	s390_execute_label, s390_execute_target, s390_dump_pool,
19569	s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
19570	Move target macro definitions to the end of the file.  Move several
19571	functions within the file to assure correct compiling.
19572
195732005-05-09  Steven Bosscher  <stevenb@suse.de>
19574
19575	* calls.c (purge_reg_equiv_notes): Remove, fold into...
19576	(fixup_tail_calls): ...here.  Only look at insns between the
19577	start of the function and the FUNCTION_BEG insn note.
19578
19579	* gcse.c (one_cprop_pass): Fix typos in dumps.
19580
19581	* tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
19582
195832005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19584
19585	* config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
19586	* config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
19587	"RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
19588	Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
19589	CC_REGNUM)'.
19590	("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
19591	'(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
19592	("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
19593	REG_SC)'.
19594
195952005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19596
19597	* config/s390/s390.md: ("gf") New mode attribute.
19598	("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
19599	"fixuns_truncsfsi2"): Merge.
19600	("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
19601	("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
19602	"fix_truncsfsi2_ieee"): Merge.
19603
196042005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19605
19606	* config/s390/s390.md: ("FPR") New mode macro.
19607	("de", "dee"): New mode attributes.
19608	("cmpdf", "cmpsf"): Merge.
19609	("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
19610	("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
19611	("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
19612	("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
19613	("floatdidf2", "floatdisf2"): Merge.
19614	("adddf3", "addsf3"): Merge.
19615	("*adddf3", "*addsf3"): Merge.
19616	("*adddf3_cc", "*addsf3_cc"): Merge.
19617	("*adddf3_cconly", "*addsf3_cconly"): Merge.
19618	("*adddf3_ibm", "*addsf3_ibm"): Merge.
19619	("subdf3", "subsf3"): Merge.
19620	("*subdf3", "*subsf3"): Merge.
19621	("*subdf3_cc", "*subsf3_cc"): Merge.
19622	("*subdf3_cconly", "*subsf3_cconly"): Merge.
19623	("*subdf3_ibm", "*subsf3_ibm"): Merge.
19624	("muldf3", "mulsf3"): Merge.
19625	("*muldf3", "*mulsf3" "): Merge.
19626	("*muldf3_ibm", "*mulsf3_ibm"): Merge.
19627	("*fmadddf", "*fmaddsf"): Merge.
19628	("*fmsubdf", "*fmsubsf"): Merge.
19629	("divdf3", "divsf3"): Merge.
19630	("*divdf3", "*divsf3"): Merge.
19631	("*divdf3_ibm", "*divsf3_ibm"): Merge.
19632	("negdf2", "negsf2"): Merge.
19633	("*negdf2_cc", "*negsf2_cc"): Merge.
19634	("*negdf2_cconly", "*negsf2_cconly"): Merge.
19635	("*negdf2", "*negsf2"): Merge.
19636	("*negdf2_ibm", "*negsf2_ibm"): Merge.
19637	("absdf2", "abssf2"): Merge.
19638	("*absdf2_cc", "*abssf2_cc"): Merge.
19639	("*absdf2_cconly", "*abssf2_cconly"): Merge.
19640	("*absdf2", "*abssf2"): Merge.
19641	("*absdf2_ibm", "*abssf2_ibm"): Merge.
19642	("*negabsdf2_cc", "*negabssf2_cc"): Merge.
19643	("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
19644	("*negabsdf2", "*negabssf2"): Merge.
19645	("sqrtdf2", "sqrtsf2"): Merge.
19646
196472005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19648
19649	* config/s390/s390.c: (s390_adjust_priority): Adapt to changed
19650	attribute names.
19651	* config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
19652	"x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
19653	("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
19654	"x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
19655	attribute names.
19656	* config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
19657	fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
19658	"fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
19659	fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
19660	("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
19661	"*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
19662	"*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
19663	"*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
19664	"*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
19665	"mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
19666	"*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
19667	"*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
19668	"*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
19669	"*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
19670	"*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
19671	"*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
19672	'type' value.
19673	("*divsf3"): Additionally rename second pattern to
19674	"*divsf3_ibm".
19675	("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
19676	"*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
19677	"*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
19678	"subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
19679	"subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
19680	'type values' and rename 'type' value.
19681	("*addsf3"): Additionally rename second pattern to
19682	"*addsf3_ibm".
19683
196842005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19685
19686	* config/s390/s390.md: ("SHIFT"): New mode macro.
19687	("lr", "shift"): New mode attributes.
19688	("ashldi3", "lshrdi3"): Merge.
19689	("*ashldi3_31", "*lshrdi3"_31): Merge.
19690	("*ashldi3_64", "*lshrdi3"_64): Merge.
19691	("ashlsi3", "lshrsi3"): Merge.
19692
196932005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19694
19695	* config/s390/s390.md: ("DSI", "SCOND"): New mode
19696	macros.
19697	("E", "g"): New mode attributes.
19698	("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
19699	("*adddi3_alc", "*addsi3_alc"): Merge.
19700	("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
19701	("*subdi3_slb", "*subsi3_slb"): Merge.
19702	("adddicc", "addsicc"): Merge.
19703	("*sconddi", "*scondsi"): Merge.
19704	("*sconddi_neg", "*scondsi_neg"): Merge.
19705	("sltu", "sgtu", "sleu", "sgeu"): Merge.
19706	("negdi2", "negsi2"): Extract expander pattern from
19707	"negsi2" and merge with "negdi2".
19708	("*negdi2"): Merge with instruction pattern of "negsi2".
19709	("*negdi2_cc", "*negsi2_cc"): Merge.
19710	("*negdi2_cconly", "*negsi2_cconly"): Merge.
19711	("rotldi3", "rotlsi3"): Merge.
19712
197132005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19714
19715	* config/s390/s390.md: ("hc"): New mode attribute.
19716	("extendhidi2", "extendqidi2"): Merge.
19717	("*extendhidi2", "*extendqidi2"): Merge.
19718	("extendhisi2", "extendqisi2"): Merge.
19719	("zero_extendhidi2", "zero_extendqidi2"): Merge.
19720	("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
19721	Merged 2 define_split.
19722	("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
19723	("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
19724
197252005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19726
19727	* config/s390/s390.md: ("COMPARE"): New mode macro.
19728	("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
19729	"ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
19730	"bungt", "bunle", "bunge", "bltgt"): Merge.
19731
197322005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19733
19734	* config/s390/s390.md: ("INT"): New mode macro.
19735	("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
19736	Merge.
19737
197382005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19739
19740	* config/s390/s390.md: ("GPR", "P"): New mode macros.
19741	("cmpdi", "cmpsi"): Merge.
19742	("strlendi", "strlensi"): Merge.
19743	("*strlendi", "*strlensi"): Merge.
19744	("movmemdi", "movmemsi"): Merge.
19745	("clrmemdi", "clrmemsi"): Merge.
19746
197472005-05-09  Adrian Straetling  <straetling@de.ibm.com>
19748
19749	* config/s390/s390.md: ("HQI"): New mode macro.
19750	("icm_lo", "icm_hi", "max_uint"): New mode attributes.
19751	("*tmhi_full", "*tmqi_full"): Merge.
19752	("*tsthiCCT", "*tstqiCCT"): Merge.
19753	("*tsthi", "*tstqi"): Merge.
19754	("*tsthi_cconly", "tstqi_cconly"): Merge.
19755	("*sethighhisi", "*sethighqisi"): Merge.
19756
197572005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
19758
19759	* crtstuff.c, integrate.h, tree-scalar-evolution.h,
19760	config/alpha/unicosmk.h, config/arc/arc.md,
19761	config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
19762	config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
19763	config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
19764	config/arm/semi.h, config/arm/uclinux-elf.h,
19765	config/arm/wince-pe.h, config/fr30/fr30.c,
19766	config/rs6000/altivec.h: Update copyright.
19767
197682005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
19769
19770	* config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
19771	gcc_assert and gcc_unreachable as appropriate.
19772	(pdp11_output_function_epilogue, output_move_double,
19773	output_move_quad, print_operand_address, output_jump,
19774	output_addr_const_pdp11): Likewise.
19775	* config/pdp11/pdp11.h (FUNCTION_PROFILER,
19776	ASM_OUTPUT_ALIGN): Likewise.
19777	* config/pdp11/pdp11.md: Likewise.
19778	(extendhisi2, subhi3, subqi3): Likewise.
19779
197802005-05-09  David Edelsohn  <edelsohn@gnu.org>
19781
19782	PR middle-end/21237
19783	* dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
19784	to NE_EXPR case.
19785
197862005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
19787
19788	* config/ia64/ia64.c: Fix a comment typo.
19789
197902005-05-09  Richard Earnshaw  <rearnsha@arm.com>
19791
19792	PR target/21397
19793	* arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
19794	(arm_override_options): Use them instead of manifest constants.  Don't
19795	allow -march to override the -mtune setting.
19796
197972005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
19798
19799	* config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
19800	(gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
19801	(function_arg_advance, function_arg, save_restore_insns,
19802	iq2000_expand_prologue, iq2000_output_conditional_branch,
19803	expand_one_builtin, print_operand):
19804	* config/iq2000/iq2000.md (tablejump): Likewise.
19805
198062005-05-09  David Ung  <davidu@mips.com>
19807
19808	* config/mips/mips.h (processor_type): Add names for the 24K.
19809	* config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
19810	processor family.
19811	* config/mips/mips.md (cnv_mode): New attribute for recording the
19812	conversion types of float convert insns.
19813	(cpu): Add 24k and 24kx.
19814	(include): Include 24k.md file.
19815	(truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
19816	(fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
19817	(floatdisf2): Setup cnv_mode.
19818	(fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
19819	setup cnv_mode.
19820	* config/mips/24k.md: New file, contains 24k DFA pipeline
19821	description.
19822
198232005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
19824
19825	* config/sh/sh.c (print_operand_address): Use gcc_assert and
19826	gcc_unreachable as appropriate.
19827	(print_operand, prepare_move_operands, prepare_scc_operands,
19828	output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
19829	gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
19830	fixup_mova, gen_far_branch, sh_reorg, split_branches,
19831	final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
19832	sh_set_return_address, sh_setup_incoming_varargs,
19833	initial_elimination_offset, sh_pch_valid_p, get_free_reg,
19834	sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
19835	check_use_sfunc_addr): Likewise.
19836	* config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
19837	* config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
19838	* config/sh/symbian.c (sh_symbian_mark_dllexport,
19839	sh_symbian_mark_dllimport): Likewise.
19840	* config/sh/sh.md: Likewise.
19841	(movdicc, call_pop, call_value_pop, casesi_worker_1,
19842	casesi_worker_2, casesi_shift_media, casesi_load_media,
19843	return_media): Likewise.
19844
198452005-05-08  Roger Sayle  <roger@eyesopen.com>
19846
19847	PR inline-asm/8788
19848	* stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
19849	operands.
19850
198512005-05-08  Richard Henderson  <rth@redhat.com>
19852
19853	* config/alpha/alpha.c (adjust_address): Fix typo last change.
19854
198552005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
19856
19857	* config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
19858	and -1 can happen in reg_renumber when no hard register is assigned.
19859
198602005-05-08  Steven Bosscher  <stevenb@suse.de>
19861	    Kazu Hirata  <kazu@cs.umass.edu>
19862
19863	PR tree-optimization/14841, tree-optimization/15838
19864	* tree-ssa-ccp.c (fold_const_aggregate_ref): New.
19865	(evaluate_stmt): Call it.
19866
198672005-05-08  Jakub Jelinek  <jakub@redhat.com>
19868
19869	* config/ia64/ia64.c (ia64_override_options): Don't set
19870	ia64_flag_var_tracking and clear flag_var_tracking here...
19871	(ia64_file_start): ... but here.
19872
198732005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
19874
19875	* config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
19876	and gcc_unreachable as appropriate.
19877	(expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
19878	m68hc11_gen_highpart, print_operand, print_operand_address,
19879	m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
19880	m68hc11_gen_movhi): Likewise.
19881	* config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
19882	* config/m68hc11/m68hc11.md: Reword comment.
19883
198842005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
19885
19886	PR target/21281
19887	* config/m68hc11/predicates.md (splitable_operand): An immediate is
19888	allowed.
19889
198902005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
19891
19892	* config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
19893	the 68HC12 address indirect addressing mode as it is not supported by
19894	bset and bclr.
19895	* config/m68hc11/m68hc11-protos.h
19896	(m68hc11_valid_addressing_p): Declare.
19897	(m68hc11_add_mode): Declare.
19898	* config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
19899	register_indirect_p and export it.
19900	(m68hc11_z_replacement): Use emit_insn_after when adding the save Z
19901	instruction so that it is part of the good BB.
19902	(m68hc11_gen_movhi): Fix invalid generation of indexed indirect
19903	addressing with movw.
19904	(m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
19905	68HC12.
19906	* config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
19907	ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
19908	* config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
19909	for 68HC11.
19910	("*movhi_68hc12"): Handle movhi_const0.
19911	("*subhi3", "subqi3"): Use general_operand for operand 1.
19912	("*subhi3_zext"): Likewise.
19913
199142005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
19915
19916	PR target/19051
19917	* config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
19918	operand 1 and fix constraints.
19919	("mulqihi3"): Use general_operand for operand 2.
19920
199212005-05-08  Julian Brown  <julian@codesourcery.com>
19922	    H.J. Lu  <hongjiu.lu@intel.com>
19923	    Paul Brook  <paul@codesourcery.com>
19924
19925	* configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
19926	GNU linker. Support linker version x.x.x.x.x. Require GNU linker
19927	20050308/2.16.0 or newer for comdat group.
19928	* configure: Regenerated.
19929	* config.in: Regenerated.
19930	* varasm.c (default_function_rodata_section): Put .rodata section in
19931	COMDAT group when necessary.
19932	(default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
19933	HAVE_COMDAT_GROUP.
19934	(default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
19935	available.
19936
199372005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
19938
19939	* tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
19940	instead of VARRAY.
19941	* tree-flow.h (num_referenced_var, referenced_var): Likewise.
19942	* tree-into-ssa.c (mark_def_site_blocks): Likewise.
19943	* tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
19944	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
19945
199462005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
19947
19948	PR target/16925
19949	* config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
19950	64-bit constants on 64-bit hosts.
19951	(m68hc11_split_logical): Simplify.
19952	(m68hc11_split_move): Likewise.
19953
199542005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
19955	    Paolo Bonzini  <bonzini@gnu.org>
19956
19957	* Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
19958	* aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
19959	* configure.ac (enable_checking): Fix typos in runtime_checking.
19960	(ENABLE_RUNTIME_CHECKING): Mark as target template.
19961	(xm_file): Prepend auto-host.h
19962	(HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
19963	* mkconfig.sh: Do not automatically define USED_FOR_TARGET in
19964	tconfig.h.
19965	* crtstuff.c: Do not include auto-host.h.
19966	(IN_LIBGCC2): Do not define.
19967	* gcov-io.h: Include tconfig.h, not auto-host.h.
19968	* libgcc2.c: Do not include auto-host.h.
19969	(abort): Do not undefine.
19970	* libgcov.c: Remove unneeded comment about config.h.
19971	* unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
19972	* config.in, configure: Regenerated.
19973
199742005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
19975	    Falk Hueffner  <falk@debian.org>
19976
19977	* config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
19978	and gcc_unreachable as appropriate.
19979	(get_aligned_mem, get_unaligned_address,
19980	alpha_emit_set_long_const, alpha_emit_conditional_branch,
19981	alpha_emit_setcc, alpha_emit_conditional_move,
19982	alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
19983	alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
19984	alpha_expand_unaligned_load, alpha_expand_block_move,
19985	alpha_expand_zap_mask, get_trap_mode_suffix,
19986	get_round_mode_suffix, get_some_local_dynamic_name,
19987	print_operand_address, function_arg, alpha_return_in_memory,
19988	function_value, alpha_expand_builtin,
19989	alpha_initial_elimination_offset, alpha_expand_epilogue,
19990	summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
19991	alphaev5_next_group, alpha_align_insns,
19992	unicosmk_initial_elimination_offset, unicosmk_unique_section,
19993	unicosmk_ssib_name): Likewise.
19994	* config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
19995	* config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
19996	ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
19997	* config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
19998	ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
19999	* config/alpha/alpha.md (*divmodsi_internal_er,
20000	*divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
20001	call_nt, call_umk, call_vms, call_value, sibcall_value,
20002	call_value_osf, call_value_nt, call_value_vms, call_value_umk,
20003	*call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
20004	* config/alpha/predicates.md (input_operand): Likewise.
20005
200062005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
20007
20008	* config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
20009	gcc_unreachable, as appropriate.
20010	(frv_function_prologue, frv_alloc_temp_reg,
20011	frv_initial_elimination_offset, frv_expand_block_move,
20012	frv_expand_block_clear, frv_print_operand_jump_hint,
20013	frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
20014	frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
20015	frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
20016	frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
20017	frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
20018	frv_in_small_data_p, frv_asm_out_constructor,
20019	frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
20020	* config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
20021	*cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
20022	*cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
20023	sibcall_value, casesi): Likewise.
20024
20025	* config/mn10300/mn10300.c (print_operand): Use gcc_assert and
20026	gcc_unreachable as appropriate.
20027	(print_operand_address, mn10300_print_reg_list, expand_prologue,
20028	expand_epilogue, notice_update_cc, initial_offset,
20029	mn10300_address_cost_1): Likewise.
20030	* config/mn10300/mn10300.md: Likewise.
20031	(absdf2, abssf2, negdf2, negsf2): Likewise.
20032
200332005-05-08  Richard Sandiford  <rsandifo@redhat.com>
20034
20035	PR target/21416
20036	* config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
20037	comparisons.
20038	* config/mips/mips.md (swapped_fcond): New code macro and attribute.
20039	(sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
20040	including sunge_<mode> and sungt_<mode>.
20041
200422005-05-08  Richard Sandiford  <rsandifo@redhat.com>
20043
20044	* integrate.h (get_hard_reg_initial_val): Change type of register
20045	parameter from int to unsigned int.
20046	(has_hard_reg_initial_val): Likewise.
20047	* integrate.c (get_hard_reg_initial_val): Likewise.
20048	(has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
20049
200502005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
20051
20052	* except.c (eh_status): Change the type of ttype_data to
20053	VEC(tree,gc)*.
20054	(add_ttypes_entry, assign_filter_values,
20055	output_function_exception_table): Use VEC instead of VARRAY.
20056
200572005-05-07  David Edelsohn  <edelsohn@gnu.org>
20058
20059	* config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
20060
200612005-05-07  Paul Brook  <paul@codesourcery.com>
20062
20063	* Makefile.in: Fix dependencies.
20064	(GCOV_IO_H, VARRAY_H): Set.
20065
200662005-05-07  Anthony Green  <green@redhat.com>
20067
20068	PR bootstrap/21403
20069	* configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
20070	x$STMP_FIXPROTO test.
20071	* configure: Rebuilt.
20072
200732005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
20074
20075	* config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
20076	inappropriate feature test macros if flag_iso.
20077
200782005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
20079
20080	* config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
20081
200822005-05-07  Hans-Peter Nilsson  <hp@axis.com>
20083
20084	PR target/21441
20085	* config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
20086	("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
20087	Handle moved operand being in special register.
20088	("smulsi3_highpart", "umulsi3_highpart"): Change .error into
20089	presumed working insn.
20090	(mover2side): Add FIXME.
20091
200922005-05-07  Richard Sandiford  <rsandifo@redhat.com>
20093
20094	* integrate.c (get_func_hard_reg_initial_val): Delete.
20095	(has_func_hard_reg_initial_val): Delete.
20096	(get_hard_reg_initial_val): Inline the old implementation of
20097	get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
20098	instead of has_func_hard_reg_initial_val to test for an existing
20099	pseudo.  Only create an rtx if a new initial value entry is needed.
20100	(has_hard_reg_initial_val): Scan the initial value list directly.
20101	Don't create an rtx.
20102
201032005-05-07  David Edelsohn  <edelsohn@gnu.org>
20104
20105	* config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
20106	from extra_options.
20107	* config.in (HAVE_AS_POPCNTB): New.
20108	* configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
20109	(HAVE_AS_POPCNTB): New.
20110	* configure: Regenerated.
20111	* config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
20112	* config/rs6000/rs6000.c (rs6000_override_options, power5): Add
20113	MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
20114	and rs6000_sched_costly_dep.
20115	* config/rs6000/rs6000.h (TARGET_POPCNTB): New.
20116	(TARGET_XL_COMPAT): Delete.
20117	* config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
20118	(popcount<mode>2): New.
20119	(popcntb<mode>2): New.
20120	* config/rs6000/rs6000.opt (mpopcntb): New.
20121
20122	* opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
20123	if variable name exists.
20124
201252005-05-07  Matt Kraai  <kraai@ftbfs.org>
20126
20127	* Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
20128
201292005-05-07  Richard Henderson  <rth@redhat.com>
20130
20131	PR target/21412
20132	* config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
20133	with constant offsets.
20134
201352005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
20136
20137	* config/v850/v850.c (print_operand): Use gcc_assert and
20138	gcc_unreachable, as appropriate.
20139	(print_operand_address, v850_handle_data_area_attribute,
20140	v850_encode_data_area, construct_restore_jr, construct_save_jarl,
20141	v850_insert_attributes, construct_prepare_instruction): Likewise.
20142	* config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
20143	* config/v850/v850.md (movsicc, *sasf_1): Likewise.
20144
201452005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
20146
20147	* tree-ssa-loop-ivcanon.c, config/i386/i386.c,
20148	config/rs6000/rs6000.h: Fix comment typos.
20149
201502005-05-07  Richard Sandiford  <rsandifo@redhat.com>
20151
20152	* doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
20153	* config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
20154	(mips_scalar_mode_supported_p): Delete.
20155
201562005-05-06  Eric Christopher  <echristo@redhat.com>
20157
20158	* config/mips/mips.opt: Remove -mint64 option.
20159	* config/mips/mips.c (override_options): Remove -mint64
20160	handling.
20161	* config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
20162	* config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
20163	64-bit integer handling.
20164	* doc/invoke.texi (Option Summary): Remove -mint64 for
20165	mips.
20166
201672005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
20168
20169	PR tree-optimization/19401
20170	* tree-flow.h (tree_unroll_loops_completely): Declaration changed.
20171	* tree-ssa-loop-ivcanon.c (enum unroll_level): New.
20172	(estimated_unrolled_size): New function.
20173	(try_unroll_loop_completely, canonicalize_loop_induction_variables,
20174	tree_unroll_loops_completely): Always unroll loops if the code size
20175	does not increase.
20176	* tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
20177	loops should be unrolled completely.
20178	(gate_tree_complete_unroll): Run complete unrolling unconditionally.
20179
201802005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
20181
20182	PR rtl-optimization/21254
20183	* loop-iv.c (iv_number_of_iterations): Simplify infiniteness
20184	assumptions for loops that otherwise do not roll.
20185	(find_simple_exit): Prefer # of iterations that is guaranteed
20186	not to be infinite.
20187	* loop-unroll.c (decide_peel_once_rolling,
20188	decide_peel_completely): Check whether the loop is infinite.
20189
201902005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
20191
20192	* config/rs6000/sysv4.opt: Fix typo.
20193
201942005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
20195	    Jakub Jelinek  <jakub@redhat.com>
20196
20197	PR target/21329
20198	* config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
20199	for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
20200	Don't use rep; movs{l,q} if the repetition count is really small,
20201	instead use a sequence of movs{l,q} instructions.
20202
202032005-05-06  Jeff Law  <law@redhat.com>
20204
20205	PR tree-optimization/21380
20206	* tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
20207	thread through a block with no preds.
20208
202092005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
20210
20211	* tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
20212	ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
20213	add_call_read_ops): Use VEC instead of VARRAY.
20214
202152005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
20216
20217	* config/mcore/mcore.c (mcore_print_operand_address): Use
20218	gcc_assert and gcc_unreachable as appropriate.
20219	(mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
20220	mcore_output_andn, output_inline_const, mcore_output_move,
20221	mcore_output_movedouble, mcore_expand_block_move,
20222	layout_mcore_frame, mcore_initial_elimination_offset,
20223	mcore_expand_prolog, mcore_mark_dllexport,
20224	mcore_mark_dllimport): Likewise.
20225	* config/mcore/mcore.h (switch_to_section): Likewise.
20226	* config/mcore/mcore.md: Likewise.
20227
202282005-05-06  Aldy Hernandez  <aldyh@redhat.com>
20229
20230	* config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
20231	TARGET_PROFILE_KERNEL.
20232
20233	* config/rs6000/rs6000.c (output_profile_hook): Add comment to
20234	TARGET_PROFILE_KERNEL use.
20235
202362005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
20237
20238	* config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
20239	and gcc_unreachable, as appropriate.
20240	(gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
20241	m32r_expand_prologue, m32r_output_function_epilogue,
20242	m32r_legitimize_pic_address, m32r_print_operand_address,
20243	emit_cond_move, m32r_function_symbol,
20244	m32r_output_block_move): Likewise.
20245	* config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
20246	* config/m32r/m32r.md (	*movsi_insn, *zero_branch_insn,
20247	*rev_zero_branch_insn): Likewise.
20248
202492005-05-06  Jakub Jelinek  <jakub@redhat.com>
20250
20251	PR c++/20961
20252	* varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
20253	if both NEWDECL and OLDDECL are already weak.
20254
202552005-05-06  Richard Sandiford  <rsandifo@redhat.com>
20256
20257	* config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
20258
202592005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
20260	    Kaz Kojima  <kkojima@gcc.gnu.org>
20261
20262	* config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
20263	and plus_constant.
20264
202652005-05-05  Aldy Hernandez  <aldyh@redhat.com>
20266	    David Edelsohn  <edelsohn@gnu.org>
20267
20268	* config.gcc: Add .opt magic for the rs6000 ports.
20269
20270	* doc/invoke.texi: Document -mabi= option properly.  Document
20271	-misel and -mno-sel.  Document -mspe and -mno-spe.  Document
20272	-mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
20273	-misel=.
20274
20275	* config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
20276	SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
20277	TARGET_XL_COMPAT.
20278
20279	* config/rs6000/aix.opt: New.
20280	* config/rs6000/aix41.opt: New.
20281	* config/rs6000/aix64.opt: New.
20282	* config/rs6000/darwin.opt: New.
20283	* config/rs6000/linux64.opt: New.
20284	* config/rs6000/rs6000.opt: New.
20285	* config/rs6000/sysv4.opt: New.
20286
20287	* config/rs6000/sysv4.h: Delete definitions of MASK_* and
20288	associated TARGET_*.  Remove SUBTARGET_OPTIONS,
20289	SUBTARGET_SWITCHES.
20290	Define TARGET_USES_SYSV4_OPT.
20291	* config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
20292	* config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
20293	TARGET_USES_AIX64_OPT.
20294	* config/rs6000/aix51.h: Same.
20295	* config/rs6000/aix52.h: Same.
20296	* config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
20297	MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
20298	Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
20299	Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
20300	* config/rs6000/linux64.h: Use
20301	rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
20302
20303	* config/rs6000/rs6000.c: Remove definitions of
20304	rs6000_sched_restricted_insns_priority,
20305	rs6000_long_double_size_string, rs6000_altivec_vrsave,
20306	rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
20307	rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
20308	rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
20309	rs6000_alignment_string.  Define rs6000_explicit_options.
20310	(rs6000_parse_abi_options): Remove.
20311	(rs6000_parse_alignment_option): Remove.
20312	(rs6000_parse_float_gprs_option): Remove.
20313	(rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
20314	TARGET_DEFAULT_TARGET_FLAGS.
20315	(rs6000_override_options): Revamp to use new .opt machinery.
20316
20317	* config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
20318	of new .opt machinery.  Remove target_flags.  Redefine
20319	TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
20320	SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
20321	rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
20322	rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
20323	rs6000_longcall_switch, rs6000_default_long_calls,
20324	rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
20325	rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
20326	TARGET_ALTIVEC_VRSAVE.
20327
203282005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
20329
20330	* config.gcc (hppa1.1-*-rtems*): Remove.
20331	* config/pa/rtems.h: Remove.
20332
203332005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
20334
20335	* config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
20336	Exclude roe/603e multilib variants.
20337
203382005-05-04  Denis Chertykov  <denisc@overta.ru>
20339
20340	PR target/21284
20341	* config/avr/avr.c (avr_output_addr_vec_elt): Use special section
20342	for output.
20343
203442005-05-05  Richard Sandiford  <rsandifo@redhat.com>
20345
20346	* config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
20347	arm/pe.opt to $extra_options.
20348	* config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
20349	(target_float_abi_name, target_float_switch, target_abi_name)
20350	(ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
20351	(ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
20352	(ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
20353	(ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
20354	(ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
20355	(THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
20356	(THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
20357	(TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
20358	(TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
20359	(TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
20360	(TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
20361	(TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
20362	(TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
20363	(TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
20364	(arm_pic_register_string): Delete.
20365	(TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
20366	TARGET_TPCS_FRAME.
20367	(TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
20368	* config/arm/coff.h (TARGET_DEFAULT): Likewise.
20369	* config/arm/elf.h (TARGET_DEFAULT): Likewise.
20370	* config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
20371	* config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
20372	* config/arm/semi.h (TARGET_DEFAULT): Likewise.
20373	* config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
20374	* config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
20375	* config/arm/pe.h (TARGET_DEFAULT): Likewise.
20376	(TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
20377	(SUBTARGET_SWITCHES): Delete.
20378	* config/arm/arm.c (target_float_switch): Delete.
20379	(arm_cpu_select): Moved from config/arm/arm.h.
20380	(target_fpu_name, target_fpe_name, target_float_abi_name)
20381	(target_abi_name, structure_size_string, arm_pic_register_string)
20382	(arm_select): Make static.
20383	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
20384	(arm_handle_option): New function.
20385	(arm_override_options): Update target_flags checks for new mask names.
20386	Remove target_float_switch code.
20387	(arm_expand_prologue, thumb_expand_prologue): Check
20388	!TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
20389	* config/arm/arm.opt, config/arm/pe.opt: New files.
20390
203912005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
20392
20393	* config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
20394	gcc_unreachable as appropriate.
20395	(arc_double_limm_p, arc_setup_incoming_varargs,
20396	arc_compute_function_type, arc_output_function_prologue,
20397	arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
20398	output_shift, arc_print_operand, arc_print_operand_address,
20399	arc_final_prescan_insn): Likewise.
20400	* config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
20401
204022005-05-04  Geoffrey Keating  <geoffk@apple.com>
20403
20404	* config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
20405	comparing Pmode.
20406	(SDI): New.
20407	(cmp): Delete.
20408	(wd): New.
20409	(add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
20410	add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
20411	clz<mode>2, ctz<mode>2, ffs<mode>2): New.
20412	(addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
20413	(one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
20414	(adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
20415	(one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
20416	(sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
20417
204182005-05-05  Paul Brook  <paul@codesourcery.com>
20419
20420	* Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
20421	cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
20422	regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
20423	and tree-data-ref.h with *_H variables.
20424
204252005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
20426
20427	* config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
20428
204292005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
20430
20431	* system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
20432
204332005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
20434
20435	* doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
20436
204372005-05-04 Fariborz Jahanian <fjahanian@apple.com>
20438
20439	* config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
20440	setting of vrsave register for current function after
20441	call to save_world is emitted.
20442
204432005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
20444
20445	* config/mmix/predicates.md: New file.
20446	* config/mmix/mmix.c (mmix_symbolic_or_address_operand)
20447	(mmix_reg_or_constant_operand, mmix_reg_cc_operand)
20448	(mmix_foldable_comparison_operator, mmix_comparison_operator)
20449	(mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
20450	* config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
20451	Don't define.
20452	* config/mmix/mmix.md: Include predicates.md.
20453	("call", "call_value"): Force address to register if it isn't a
20454	mmix_symbolic_or_address_operand.
20455
204562005-05-04  Andrew MacLeod  <amacleod@redhat.com>
20457
20458	* tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
20459	the flags are of appropriate types.
20460	(num_ssa_operands): Generalize using the generic interface.
20461	* tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
20462	iterator.
20463
204642005-05-04  Richard Sandiford  <rsandifo@redhat.com>
20465
20466	* protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
20467	(keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
20468
204692005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
20470
20471	* tree-outof-ssa.c (edge_leader, stmt_list,
20472	analyze_edges_for_bb): Use VEC instead of VARRAY.
20473	(init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
20474	(perform_edge_inserts): Call init_analayze_edges_for_bb and
20475	fini_analayze_edges_for_bb.
20476
204772005-05-04  James E Wilson  <wilson@specifixinc.com>
20478
20479	PR driver/21112
20480	* gcc.c (process_command): In the second argv scan loop, ignore
20481	Xassembler and Xpreprocessor, along with their argument.
20482
204832005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
20484
20485	* tree-flow-inline.h, tree-ssa-operands.c,
20486	tree-ssa-operands.h, tree-ssa-opfinalize.h:
20487	Likewise. tree-vn.c: Fix comment typos.
20488	* doc/passes.texi, doc/tree-ssa.texi: Fix typos.
20489
204902005-05-04  Paolo Bonzini  <bonzini@gnu.org>
20491
20492	* doc/tm.texi (Target Hooks): Document
20493	TARGET_RESOLVE_OVERLOADED_BUILTIN.
20494
204952005-05-04  Paul Brook  <paul@codesourcery.com>
20496
20497	* Makefile.in: Change dependencies on target.h to $(TARGET_H).
20498
204992005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
20500
20501	* dwarf2out.c (incomplete_types, retry_incomplete_types,
20502	gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
20503	of VARRAY.
20504
20505	* loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
20506	get_expansion, expand_var_during_unrolling,
20507	insert_var_expansion_initialization,
20508	combine_var_copies_in_loop_exit, release_var_copies): Use VEC
20509	instead of VARRAY.
20510
20511	* tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
20512	update_stmt.
20513
205142004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
20515
20516	PR middle-end/15618
20517	* fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
20518	the same as INTEGER_TYPE.
20519	(fold_binary): Fold "bool_var != 0" to bool_var.
20520	Fold "bool_var == 1" to bool_var.
20521
205222004-05-03  Richard Henderson  <rth@redhat.com>
20523
20524	PR middle-end/21318
20525	* function.c (instantiate_virtual_regs_in_insn): Use the mode
20526	from recog_data instead of insn_data.
20527
205282005-05-03  DJ Delorie  <dj@redhat.com>
20529
20530	* common.opt (fdiagnostics-show-option): No variable is needed.
20531	* diagnostic.h (diagnostic_context): Add show_option_requested flag.
20532	* diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
20533	(diagnostic_report_diagnostic): Test for enabled diagnostics here.
20534	Save and restore original message format.  Use flag in context
20535	instead of global.
20536	(warning): Don't test for enabled warnings here.
20537	* opts.c (common_handle_option): Handle -fdiagnostics-show-option
20538	here.
20539
205402005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
20541
20542	* config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
20543	* config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
20544	* mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
20545	* aclocal.m4: Don't include accross.m4.
20546	* configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
20547	Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
20548	* configure, config.in: Regenerate.
20549
205502005-05-04  Jakub Jelinek  <jakub@redhat.com>
20551
20552	PR middle-end/21265
20553	* expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
20554	(clear_storage): Add argument.
20555	* expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
20556	Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
20557	tailcall.
20558	(emit_block_move): Handle BLOCK_OP_TAILCALL method.
20559	(clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
20560	(store_expr, store_constructor): Adjust callers.
20561	* builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
20562	to emit_block_move if CALL_EXPR_TAILCALL (exp).
20563	(expand_builtin_memmove): Add ORIG_EXP argument, copy
20564	CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
20565	(expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
20566	with EXP.  Pass EXP to expand_builtin_memmove.
20567	(expand_builtin_memset): Add ORIG_EXP argument, pass
20568	BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
20569	(expand_builtin_bzero): Replace ARGLIST argument with EXP.
20570	Pass EXP to expand_builtin_memset.
20571	(expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
20572	the new CALL_EXPR.
20573	(expand_builtin_strncmp): Likewise.
20574	(expand_builtin_printf): Replace ARGLIST argument with EXP.
20575	Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
20576	(expand_builtin_fprintf): Likewise.
20577	(expand_builtin): Adjust calls to
20578	expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
20579
20580	* config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
20581	item in V4SF mode.
20582
20583	PR rtl-optimization/21239
20584	* combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
20585
205862005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
20587
20588	* tree-flow.h (tree_ann_common_d): Move aux to ...
20589	(stmt_ann_d): ... here.
20590	* tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
20591	move_computations_stmt, schedule_sm): Update references to
20592	aux.
20593	* tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
20594
20595	* tree-cfg.c (remove_bb): Remove a redundant call to
20596	set_bb_for_stmt.
20597	* tree-if-conv.c (replace_phi_with_cond_modify_expr):
20598	Likewise.
20599
206002005-05-03  Richard Henderson  <rth@redhat.com>
20601
20602	* config/rs6000/rs6000.c: Remove conflict markers.
20603
20604	* cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
20605
206062005-05-03  James E Wilson  <wilson@specifixinc.com>
20607
20608	* dwarf2out.c (lookup_filename): Call maybe_emit_file.
20609
206102005-05-03  DJ Delorie  <dj@redhat.com>
20611
20612	* c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
20613	decide if the warning will be printed.
20614	* calls.c (expand_call): Likewise.
20615	* function.c (init-function_start): Likewise.
20616
20617	* common.opt (-fdiagnostics-show-option): New.
20618	* opts.c (option_enabled): Accept the option index instead of a
20619	pointer to the option descriptor.
20620	* opts.h (option_enabled): Likewise.
20621	* toplev.c (print_switch_values): Pass option index, not option
20622	descriptor.
20623	* diagnostic.h (diagnostic_info): Add option_index.
20624	* diagnostic.c: Include opts.h.
20625	(diagnostic_set_info): Initialize option_index.
20626	(diagnostic_report_diagnostic): Amend option name if appropriate.
20627	(warning): Check to see if the specified warning is enabled.
20628	Store option index.
20629	* doc/invoke.texi (-fdiagnostics-show-options): Document.
20630
206312005-05-03  Richard Henderson  <rth@redhat.com>
20632
20633	* config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
20634	SPEC_OR_GEN_REGS definitions.
20635
206362005-05-03  Alexandre Oliva  <aoliva@redhat.com>
20637
20638	PR target/16888
20639	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
20640	for unavailable registers.
20641
206422005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
20643
20644	* tree-cfg.c (tree_forwarder_block_p): Fix a typo.
20645
20646	* cfglayout.c (block_locators_blocks,
20647	insn_locators_initialize, insn_scope): Use VEC instead of
20648	VARRAY.
20649
20650	* tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
20651	mudflap_finish_file, mudflap_finish_file): Use VEC instead of
20652	VARRAY.
20653
206542005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20655
20656	* config/sparc/predicates.md (const_compl_high_operand): New.
20657	* config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
20658	gen_safe_HIGH64.
20659	(sparc_emit_set_const64_quick1): Adjust for above change.
20660	(sparc_emit_set_const64_quick2): Likewise.
20661	(sparc_emit_set_const64_longway): Likewise.
20662	(sparc_emit_set_const64): Likewise.
20663	* config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
20664	movdi_const64_special): Delete.
20665	(logical constant splitters): Use const_compl_high_operand.
20666
206672005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
20668
20669	* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
20670	rather than STRIP_NOPS.
20671
206722005-05-03  Jakub Jelinek  <jakub@redhat.com>
20673
20674	PR rtl-optimization/21330
20675	* loop-unswitch.c (may_unswitch_on): Set *cinsn only when
20676	returning non-NULL.
20677	(unswitch_single_loop): Clear cinsn when retrying.
20678
20679	PR target/21297
20680	* config/i386/i386.c (legitimize_address): When canonicalizing
20681	ASHIFT into MULT, multiply by 1 << shift_count instead of
20682	1 << log2 (shift_count).
20683
206842005-05-03  Andrew MacLeod  <amacleod@redhat.com>
20685
20686	* lambda-code.c (gcc_loop_to_lambda_loop,
20687	lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
20688	stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
20689	generic operand interface.
20690	* tree-data-ref.c (find_data_references_in_loop): Use generic interface.
20691	* tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
20692	generic operand interface.
20693	* tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
20694	link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
20695	next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
20696	num_imm_uses): Use ssa_use_operand_t.
20697	(get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
20698	get_v_must_def_ops): Delete.
20699	(get_def_from_ptr, get_phi_result_ptr): Get def directly now.
20700	(get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
20701	get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
20702	get_v_must_def_kill_ptr): Delete.
20703	(delink_stmt_imm_use): Move and use new operand interface.
20704	(op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
20705	op_iter_next_tree): Use new operand implementation.
20706	(clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
20707	(op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
20708	type check.
20709	(op_iter_next_mustdef, op_iter_next_maydef,
20710	op_iter_next_must_and_may_def): Delete. Replace with...
20711	(op_iter_next_maymustdef): New.  Combine must and may next operations.
20712	(op_iter_init_maydef, op_iter_init_mustdef,
20713	op_iter_init_must_and_may_def): Use new interface.
20714	(single_ssa_tree_operand ): New.  Process single operands only as trees.
20715	(single_ssa_use_operand): New.  Process single operands only as uses.
20716	(single_ssa_def_operand): New.  Process single operands only as defs.
20717	(zero_ssa_operands): New.  Return TRUE if there are zero operands of the
20718	specified types.
20719	(num_ssa_operands): New.  Count the number of specified operands.
20720	(compare_ssa_operands_equal): New.  Compare two statements' operands.
20721	(single_phi_def): New.  Return true if PHI has one def of the specified
20722	operand type.
20723	(op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
20724	(op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
20725	* tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
20726	(struct stmt_ann_d): Operands field no longer require GTY().
20727	(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
20728	* tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
20729	* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
20730	dump_replaceable_exprs, rewrite_trees): Use generic interface.
20731	* tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
20732	Use use_operand_p instead of ssa_imm_use_t *.
20733	* tree-pretty-print.c (dump_vops): check if operands are active before
20734	dumping virtual operands.
20735	* tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
20736	* tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
20737	(ccp_fold): Use new interface.
20738	(ccp_visit_stmt): Remove unused variables and code.
20739	(convert_to_gimple_builtin): Insert statements before calling
20740	mark_new_vars_to_rename.
20741	* tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
20742	(copy_prop_visit_cond_stmt): Use generic interface.
20743	* tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
20744	annotation in table.
20745	(thread_across_edge): Use generic interface.
20746	(initialize_hash_element): Initialzie with stmt, not annotation.
20747	(eliminate_redundant_computations): Use generic interface.
20748	(record_equivalences_from_stmt): Pass stmt, not annotation.
20749	(avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
20750	interface.
20751	* tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
20752	* tree-ssa-loop-ivopts.c (find_invariants_stmt,
20753	find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
20754	generic operand interface.
20755	* tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
20756	interface.
20757	* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
20758	Interface.
20759	* tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
20760	(build_defs, build_uses, build_v_may_defs, build_vuses,
20761	build_v_must_defs): Change type to struct opbuild_list_d.
20762	(ops_active): New.  Operands active boolean.
20763	(operand_memory, operand_memory_index): New.  Operand memory managers.
20764	(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
20765	allocate_vuse_optype, allocate_v_must_def_optype): Delete.
20766	(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
20767	Change from functions to static variable list heads.
20768	(opbuild_initialize_virtual): New.  Initialize a virtual build list.
20769	(opbuild_initialize_real): New.  Initialize a virtual build list.
20770	(opbuild_free): New.  Free a build list.
20771	(opbuild_num_elems): New.  Number of items in a list.
20772	(opbuild_append_real): New.  Add a real (tree *) operand.
20773	(opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
20774	(opbuild_first): New.  Return first element index in a list.
20775	(opbuild_next): New.  Return next element in a list.
20776	(opbuild_elem_real): New.  Return real element.
20777	(opbuild_elem_virtual): New.  Return virtual element.
20778	(opbuild_elem_uid): New.  Return UID of virtual element.
20779	(opbuild_clear): New.  Reset an operand list.
20780	(opbuild_remove_elem): New.  Remove an element form a list.
20781	(ssa_operands_active): New.  Return true if operand cache is active.
20782	(init_ssa_operands, fini_ssa_operands): Initialize new implementation.
20783	(ssa_operand_alloc): New.  Allocate memory from an operand chunk.
20784	(correct_use_link): Use use_operand_p.
20785	(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
20786	finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
20787	(cleanup_v_may_defs): Use new implmentation.
20788	(finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
20789	implementation.
20790	(append_def, append_use, append_v_may_def, append_vuse,
20791	append_v_must_def): Call opbuild_append routine instead of using varray.
20792	(build_ssa_operands): Simplify to simply use stmt, don't maintain a
20793	global parse_old_ops variable.
20794	(free_ssa_operands): New implementation.
20795	(update_stmt_operands): Move.  Change argument to build_ssa_operands.
20796	(copy_virtual_operands): Move. New generic implementation.
20797	(create_ssa_artficial_load_stmt): Move. New implementation.
20798	(swap_tree_operands): Update for new implementation.
20799	(get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
20800	(add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
20801	rather than a varray.
20802	(verify_imm_links): Use use_operand_p.
20803	(dump_immediate_uses_for): If the immediate use variable is a virtual
20804	variable, show the virtual ops in the stmt.
20805	* tree-ssa-operands.h (def_operand_p): No longer a structure.
20806	(NULL_DEF_OPERAND_P): Now a #define.
20807	(def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
20808	vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
20809	(def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
20810	mustdef_optype_d): New.  Use Linked list representation.
20811	(SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
20812	(struct ssa_operand_memory_d): New.  Allocated Chunk node.
20813	(struct stmt_operands_d): Change to new pointers that are not GTY.
20814	(STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
20815	STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
20816	SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
20817	STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
20818	SET_V_MUST_DEF_KILL): Delete.
20819	(V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
20820	V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
20821	(V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
20822	V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
20823	(enum ssa_op_iter_type): Operand iterator typechecking values.
20824	(struct ssa_operand_iterator_d): Use linked lists of operands.
20825	(SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
20826	(FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
20827	FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
20828	(FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
20829	(FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
20830	(FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
20831	(SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
20832	SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
20833	* tree-ssa-opfinalize.h: New.  Function templates for expansion.
20834	(FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
20835	alloc_vuse, and alloc_mustdef.
20836	(FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
20837	finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
20838	and finalize_ssa_v_must_def_ops.
20839	* tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
20840	(create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
20841	stmt around.
20842	(compute_avail): Use generic iterator interface.
20843	* tree-ssa-propagate.c (first_vdef): Use generic operand interface.
20844	(stmt_makes_single_load, stmt_makes_single_store): Use
20845	ZERO_SSA_OPERANDS.
20846	* tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
20847	(statement_sink_location): Use generic interface.
20848	* tree-ssa.c (verify_ssa): Use %p in fprintf.  Use generic interface.
20849	(delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
20850	reset the immediate use link nodes.
20851	(stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
20852	* tree-ssanames.c (make_ssa_name): Use use_operand_p.
20853	* tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
20854	(eliminate_tail_call): Use generic operand interface.
20855	* tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
20856	(vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
20857	interface.
20858	* tree-vect-transform.c (update_vuses_to_preheader): Use generic
20859	interface.
20860	* tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
20861	* tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
20862	vuse_optype.
20863	(vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
20864	Use statement pointer instead of vuse_optype.  Use generic interface.
20865	* tree-vrp.c (maybe_add_assert_expr): Use generic interface.
20866	(stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
20867	* tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
20868	(tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
20869	* doc/tree-ssa.texi: Update documentation for operand interface.
20870
208712005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
20872
20873	* config/darwin.c (machopic_define_symbol): Use gcc_assert or
20874	gcc_unreachable as appropriate.
20875	(machopic_function_base_name, machopic_indirect_data_reference,
20876	machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
20877	* config/host-darwin.c (darwin_gt_pch_use_address): Likewise
20878	* config/rs6000/altivec.md (*mov<mode>_internal,
20879	build_vector_mask_for_load): Likewise.
20880	* config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
20881	*call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
20882	*sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
20883	* config/rs6000/predicates.md (easy_fp_constant,
20884	logical_operand): Likewise.
20885	* config/rs6000/rs6000.c (spe_expand_predicate_builtin,
20886	compute_save_world_info, rs6000_emit_prologue,
20887	rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
20888	* config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
20889	directly.
20890
208912005-05-03  Uros Bizjak  <uros@kss-loka.si>
20892
20893	PR middle-end/21282
20894	* convert.c (convert_to_integer): Convert ceil and floor in
20895	c99 mode only.
20896
208972005-04-29  Geoffrey Keating  <geoffk@apple.com>
20898
20899	PR target/20813
20900	* config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
20901	define_insn_and_split.  Split only when memory operand is
20902	offsettable.  Use adjust_address rather than plus_constant.
20903	(floatunssidf2_internal): Likewise.
20904	(fix_truncdfsi2_internal): Split only when memory operand is
20905	offsettable.  Use adjust_address rather than plus_constant.
20906	(fix_trunctfsi2_internal): Likewise.
20907	(floatsidf2_internal): Likewise.
20908
209092005-05-02  Diego Novillo  <dnovillo@redhat.com>
20910
20911	* tree-vrp.c (set_value_range_to_nonnull): Declare inline.
20912	(set_value_range_to_null): Likewise.
20913	(set_value_range_to_varying): New function.  Use it in all
20914	call sites that used to call set_value_range (vr, VR_VARYING, ...).
20915	(extract_range_from_assert): If the integral type has a
20916	super-type, and LIMIT is not within MIN and MAX values of that
20917	type, set the resulting range to VR_VARYING.
20918
209192005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
20920
20921	* config/mmix/mmix.opt: New file.
20922	* config/mmix/mmix.h: Move options-related comments to mmix.opt.
20923	(mmix_cc1_ignored_option): Don't declare.
20924	(TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
20925	(TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
20926	(TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
20927	(TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
20928	(TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
20929	(TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
20930	(TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
20931	(TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
20932	Don't define.
20933	(TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
20934	* config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
20935	(TARGET_DEFAULT_TARGET_FLAGS): Override default.
20936
209372005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
20938
20939	PR c/15698
20940	* c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
20941	* c-decl.c (current_function_prototype_built_in,
20942	current_function_prototype_arg_types): New.
20943	(merge_decls): Keep source location of prototype followed by
20944	nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
20945	(builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
20946	(start_function): Always set current_function_prototype_locus,
20947	current_function_prototype_built_in and
20948	current_function_prototype_arg_types.  Check for external
20949	prototype whether or not visible for external function and set
20950	current_function_prototype_arg_types accordingly.
20951	(store_parm_decls_oldstyle): Use
20952	current_function_prototype_arg_types for checking old-style
20953	definition against prototype.  Give warnings only if
20954	current_function_prototype_built_in).
20955
209562005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
20957
20958	* ggc.h (ggc_alloc_zone_pass_stat): New macro.
20959	(ggc_alloc_zone_stat): Don't define.
20960	* ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
20961	ggc_alloc_zone_pass_stat.
20962	* rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
20963	* tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
20964	(make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
20965
209662005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
20967
20968	* calls.c (expand_call): Handle current_function_pretend_args_size
20969	when checking for sibcalls.
20970
209712005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
20972
20973	PR tree-optimization/21294
20974	* tree-vrp.c (vrp_expr_computes_nonzero): New.
20975	(extract_range_from_expr): Call vrp_expr_computes_nonzero.
20976
209772005-05-02  Janis Johnson  <janis187@us.ibm.com>
20978
20979	PR 19985
20980	* gcov-io.h: Declare gcov external functions hidden.
20981
209822005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
20983
20984	* tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
20985	record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
20986	Use VEC instead of VARRAY.
20987	(equiv_free): New.
20988
20989	* tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
20990	out common code.
20991
209922005-05-02  Paolo Bonzini  <bonzini@gnu.org>
20993
20994	* c-common.c (resolve_overloaded_builtin): Forward to target
20995	hook for BUILT_IN_MD built-ins.
20996	* c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
20997	for all types of built-in.
20998	* target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
20999	in the definition of the target hooks struct.
21000	* target.h (struct gcc_target): Add resolve_overloaded_builtin.
21001	* config/rs6000/altivec.h: Rewritten.
21002	* config/rs6000/rs6000-c.c (struct altivec_builtin_types,
21003	altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
21004	rs6000_builtin_type, rs6000_builtin_type_compatible,
21005	altivec_overloaded_builtins, rs6000_builtin_type,
21006	rs6000_builtin_type_compatible): New.
21007	* config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
21008	New.
21009	(def_builtin): Turn into a function.  Check for duplicates and store
21010	the builtin into rs6000_builtin_decls.
21011	(bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
21012	bdesc_1arg): Add overloaded builtins.
21013	(altivec_expand_builtin): Check for unresolved overloaded builtins,
21014	do not support ALTIVEC_COMPILETIME_ERROR.
21015	(rs6000_init_builtins): Add opaque 128-bit vector, and internal
21016	nodes to represent front-end types.
21017	(altivec_init_builtins, rs6000_common_init_builtins): Create builtins
21018	with opaque arguments and/or return values.
21019	* config/rs6000/rs6000.h (enum rs6000_builtins): Remove
21020	ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
21021	(rs6000_builtin_type_index): New.
21022	(is_ev64_opaque_type): Rename to...
21023	(rs6000_is_opaque_type): ... this.
21024	(rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
21025	target hook.
21026
210272005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
21028
21029	* function.c (reorder_blocks, reorder_blocks_1): Use VEC
21030	instead of VARRAY.
21031
210322005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
21033	    Bernd Schmidt  <bernd.schmidt@analog.com>
21034
21035	* config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
21036	print_address_operand, print_operand, legitimize_pic_address,
21037	asm_conditional_branch, bfin_gen_compare, output_push_multiple,
21038	output_pop_multiple): Use gcc_assert or gcc_unreachable as
21039	appropriate.
21040	* config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
21041
210422005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
21043
21044	* doc/passes.texi: Document vectorization pass.
21045
210462005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
21047
21048	* tree-scalar-evolution.c (get_exit_conditions_rec,
21049	select_loops_exit_conditions,
21050	number_of_iterations_for_all_loops,
21051	analyze_scalar_evolution_for_all_loop_phi_nodes,
21052	scev_analysis): Use VEC instead of VARRAY.
21053
210542005-05-02  Michael Matz  <matz@suse.de>
21055
21056	PR c++/19542
21057	* c-common.c (c_common_nodes_and_builtins): Create global null_node.
21058	(warn_strict_null_sentinel): Define.
21059	(check_function_sentinel): Check for null_node as valid sentinel too.
21060	* c-common.h (c_tree_index): Added CTI_NULL.
21061	(null_node) Define global_tree[CTI_NULL].
21062	(warn_strict_null_sentinel): Declare.
21063	* c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
21064	* c.opt: (Wstrict-null-sentinel): New C++ option.
21065	* doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
21066
210672005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
21068
21069	* gimplify.c (gimplify_compound_lval): Use VEC instead of
21070	VARRAY.
21071
21072	* global.c (calculate_reg_pav): Use VEC instead of VARRAY.
21073
21074	* dwarf2out.c (decl_scope_table, push_decl_scope,
21075	pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
21076	instead of VARRAY.
21077
210782005-05-01  Mark Mitchell  <mark@codesourcery.com>
21079
21080	PR C++/14391
21081	* c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
21082	if !flag_weak.
21083	* doc/cpp.texi (__DEPRECATED): Document.
21084	(__EXCEPTIONS): Likewise.
21085	(__GXX_WEAK__): Likewise.
21086
21087	* function.c (INVOKE__main): Do not define.
21088	(expand_main_function): Check HAS_INIT_SECTION when determining
21089	whether or not to call __main.
21090
210912005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
21092
21093	* tree-ssa-loop-ivopts.c: Fix a comment typo.
21094
210952005-01-05  Paul Brook  <paul@codesourcery.com>
21096
21097	* config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
21098	(INITIALIZE_TRAMPOLINE): Use it.
21099	* config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
21100	* config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
21101	* config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
21102
211032005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
21104
21105	* doc/install.texi (Specific): Omit dots in the @anchors names
21106	for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
21107	Omit underscores for x86_64-*-* and the "all ELF targets" entry.
21108
211092005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
21110
21111	PR tree-optimization/18316
21112	PR tree-optimization/19126
21113	* tree.c (build_int_cst_type): Avoid shift by size of type.
21114	* tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
21115	argument.
21116	* tree-scalar-evolution.h (simple_iv): Declaration changed.
21117	* tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
21118	field.
21119	(dump_cand): Dump depends_on information.
21120	(determine_biv_step): Add argument to simple_iv call.
21121	(contains_abnormal_ssa_name_p): Handle case expr == NULL.
21122	(find_bivs, find_givs_in_stmt_scev): Do not require step to be a
21123	constant.
21124	(add_candidate_1): Record depends_on for candidates.
21125	(tree_int_cst_sign_bit, constant_multiple_of): New functions.
21126	(get_computation_at, get_computation_cost_at, may_eliminate_iv):
21127	Handle ivs with nonconstant step.
21128	(iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
21129	(iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
21130	(create_new_iv): Unshare the step before passing it to create_iv.
21131	(free_loop_data): Free cand->depends_on.
21132	(build_addr_strip_iref): New function.
21133	(find_interesting_uses_address): Use build_addr_strip_iref.
21134	(strip_offset_1): Split the recursive part from strip_offset.
21135	Strip constant offset component_refs and array_refs.
21136	(strip_offset): Split the recursive part to strip_offset_1.
21137	(add_address_candidates): Removed.
21138	(add_derived_ivs_candidates): Do not use add_address_candidates.
21139	(add_iv_value_candidates): Add candidates with stripped constant
21140	offset.  Consider all candidates with initial value 0 important.
21141	(struct affine_tree_combination): New.
21142	(aff_combination_const, aff_combination_elt, aff_combination_scale,
21143	aff_combination_add_elt, aff_combination_add,
21144	tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
21145	fold_affine_sum): New functions.
21146	(get_computation_at): Use fold_affine_sum.
21147	* tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
21148	* tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
21149	to simple_iv call.
21150
211512005-04-30  Michael Matz  <matz@suse.de>
21152
21153	* config/i386/i386.md (movmemsi): Also active when
21154	TARGET_INLINE_ALL_STRINGOPS.
21155
211562005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
21157
21158	PR bootstrap/20633
21159	* config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
21160
211612005-04-30  Paul Brook  <paul@codesourcery.com>
21162
21163	* config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
21164	thumb mode.
21165	* config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
21166	* config/arm/ieee754-sf.S: Ditto.
21167	* config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
21168	(FUNC_ALIAS): Use .thumb_set for thumb routines.
21169
211702005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
21171
21172	* tree-ssanames.c: Fix a comment typo.
21173	* doc/options.texi: Fix a typo.
21174
211752005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
21176
21177	* config/h8300/h8300.c (byte_reg): Use gcc_assert and
21178	gcc_unreachable as appropriate.
21179	(split_adds_subs, cond_string, print_operand,
21180	h8300_initial_elimination_offset, h8300_classify_operand,
21181	h8300_unary_length, h8300_short_immediate_length,
21182	h8300_bitfield_length, h8300_binary_length,
21183	h8300_insn_length_from_table, compute_mov_length, output_plussi,
21184	compute_plussi_length, compute_plussi_cc, output_logical_op,
21185	compute_logical_op_length, compute_logical_op_cc,
21186	output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
21187	output_a_shift, compute_a_shift_length, compute_a_shift_cc,
21188	output_a_rotate, compute_a_rotate_length, fix_bit_operand,
21189	h8300_regs_ok_for_stm): Likewise.
21190	* config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
21191	monitor_prologue): Likewise.
21192
211932005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
21194
21195	* loop-invariant.c (invariants, create_new_invariant,
21196	get_inv_cost, best_gain_for_invariant,
21197	find_invariants_to_move, move_invariants,
21198	init_inv_motion_data, free_inv_motion_data): Use VEC instead
21199	of VARRAY.
21200
212012005-04-29  Richard Henderson  <rth@redhat.com>
21202
21203	* function.c (instantiate_decls): Remove valid_only argument.
21204	(instantiate_decls_1, instantiate_decl): Likewise.
21205	(instantiate_virtual_regs_1): Delete.
21206	(instantiate_virtual_regs_lossage): Delete.
21207	(instantiate_virtual_regs_in_rtx): New.
21208	(safe_insn_predicate): New.
21209	(instantiate_virtual_regs_in_insn): New.
21210	(instantiate_virtual_regs): Update to match all that.  Only run
21211	instantiate_decls once.
21212
212132005-04-29  Richard Henderson  <rth@redhat.com>
21214	    Daniel Jacobowitz  <dan@codesourcery.com>
21215
21216	* gengtype.c (write_func_for_structure): Split out ...
21217	(output_type_enum): ... new function.  Fix thinko accessing
21218	TYPE_PARAM_STRUCT data.
21219
212202005-04-29  Tom Tromey  <tromey@redhat.com>
21221
21222	* tree.c (build_block): Removed unused 'tags' argument.
21223	* tree.h (build_block): Removed argument.
21224
212252005-04-29  Michael Matz  <matz@suse.de>
21226
21227	PR rtl-optimization/21144
21228	* postreload.c (reload_cse_move2add): Check for VOIDmode.
21229
212302005-04-29  Bob Wilson  <bob.wilson@acm.org>
21231
21232	* config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
21233	flag_reorder_blocks.
21234
212352005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
21236
21237	PR tree-optimization/21030
21238	* tree-vrp.c (adjust_range_with_scev): Do not create invalid
21239	ranges where VR->MAX is smaller than VR->MIN.
21240
212412005-04-29  Devang Patel  <dpatel@apple.com>
21242
21243	PR tree-optimization/21272
21244	PR tree-optimization/21266
21245	* tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
21246
212472005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
21248
21249	* tree-flow-inline.h: Fix a comment typo.
21250	* doc/tree-ssa.texi: Fix a typo.
21251
21252	* tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
21253
212542005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
21255
21256	* config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
21257	gcc_unreachable as appropriate.
21258	(fr30_expand_epilogue, fr30_setup_incoming_varargs,
21259	fr30_print_operand, fr30_move_double): Likewise.
21260	* config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
21261
212622005-04-29  Mark Mitchell  <mark@codesourcery.com>
21263
21264	* config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
21265	definition has already been provided.
21266	(ARM_EABI_DTORS_SECTION_OP): Likewise.
21267	* config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
21268	(ARM_EABI_DTORS_SECTION_OP): Likewise.
21269
212702005-04-29  Jim Tison  <jtison@us.ibm.com>
21271
21272	* config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
21273	trace hooks calls to improve performance.
21274
212752005-04-29  Julian Brown  <julian@codesourcery.com>
21276	    Mark Mitchell  <mark@codesourcery.com>
21277	    Paul Brook  <paul@codesourcery.com>
21278
21279	* crtstuff.c: Handle targets that use .init_array.
21280	* function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
21281	that INVOKE__main is set correctly.
21282	(expand_main_function): Test INVOKE__main.
21283	* libgcc2.c: Do not define __main when using .init_array.
21284	* config/arm/arm.c (arm_elf_asm_constructor): New function.
21285	* config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
21286	libgcc version.
21287	(DTORS_SECTION_ASM_OP): Likewise.
21288	(CTOR_LIST_BEGIN): Define specially when in libgcc.
21289	(CTOR_LIST_END): Likewise.
21290	(DTOR_LIST_BEGIN): Likewise.
21291	(DTOR_LIST_END): Likewise.
21292	* config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
21293	(FINI_SECTION_ASM_OP): Likewise.
21294	(INIT_ARRAY_SECTION_ASM_OP): Define.
21295	(FINI_ARRAY_SECTION_ASM_OP): Likewise.
21296	* config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
21297	(SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
21298	* doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
21299	(FINI_ARRAY_SECTION_ASM_OP): Likewise.
21300
213012005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
21302
21303	* config/m68k/m68k.c (m68k_initial_elimination_offset): Use
21304	gcc_assert and gcc_unreachable as appropriate.
21305	(output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
21306	const_int_cost, output_move_const_into_data_reg,
21307	output_move_qimode, output_move_double, find_addr_reg,
21308	print_operand, print_operand_address): Likewise.
21309	* config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
21310	absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
21311	sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
21312	bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
21313	*bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
21314	conditional_trap): Likewise.
21315	* config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
21316
213172005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
21318
21319	* config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
21320	gcc_unreachable as appropriate.
21321	(gen_conditional_move, xtensa_split_operand_pair,
21322	xtensa_split_operand_pair, xtensa_copy_incoming_a7,
21323	xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
21324	xtensa_copy_incoming_a7, xtensa_output_literal,
21325	xtensa_output_literal, xtensa_output_literal): Likewise.
21326	* config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
21327	* config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
21328	*bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
21329	movsicc_internal1, movsfcc_internal0,
21330	movsfcc_internal1): Likewise.
21331
213322005-04-28  James E Wilson  <wilson@specifixinc.com>
21333
21334	* config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
21335	(ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
21336
213372005-04-28  DJ Delorie  <dj@redhat.com>
21338
21339	* opt-functions.awk (var_set): Emit proper initializer for
21340	non-target bitfields.
21341
213422005-04-28  Devang Patel  <dpatel@apple.com>
21343
21344	* dbxout.c (have_used_extensions): Remove.
21345	(dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
21346	have_used_extensions.
21347
213482005-04-28  James E Wilson  <wilson@specifixinc.com>
21349
21350	* doc/install.texi: Update -enable-languages info.  Correct path to
21351	html docs.
21352
213532005-04-28  DJ Delorie  <dj@redhat.com>
21354
21355	* optc-gen.awk (END): Make sure no variable is defined more
21356	than once.
21357	* opth-gen.awk (END): Allocate bits on a per-variable basis.
21358	Allow for bitfield variables other than target_flags.
21359	* doc/options.text (Mask): Document that you may specify a
21360	variable other than target_flags.
21361
213622005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
21363
21364	PR rtl-optimization/18877
21365	* reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
21366	number in val.start.
21367
213682005-04-28  David Edelsohn  <edelsohn@gnu.org>
21369
21370	PR target/20813
21371	* config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
21372	MASK_PPC_GFXOPT.
21373	* config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
21374	* config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
21375	* config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
21376
213772005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
21378
21379	* arm.c (legitimize_pic_address): Fix sense of assertion test for
21380	creating pseudos when the base offset is too large.
21381
213822005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
21383
21384	* global.c (earlyclobber_regclass): Change the type to
21385	VEC(int,heap).
21386	(check_earlyclobber): Update uses of earlyclobber_regclass.
21387	(mark_reg_use_for_earlyclobber): Likewise.
21388	(calculate_local_reg_bb_info): Allocate and free
21389	earlyclobber_regclass using the VEC API.
21390
213912005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
21392
21393	* tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
21394	assert.
21395
213962005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
21397
21398	* modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
21399	(*targetm.foo).
21400
21401	* config.gcc: Obsolete c4x-* and tic4x-*.
21402
21403	* tree.h (edge_def): Remove.
21404
21405	* bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
21406	function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
21407	reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
21408	JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
21409	where appropriate.
21410
21411	* attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
21412	coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
21413	errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
21414	genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
21415	integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
21416	machmode.def, mips-tfile.c, params.c, pretty-print.c,
21417	print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
21418	tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
21419	config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
21420	config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
21421	config/i386/cygming.h, config/i386/djgpp.h,
21422	config/i386/lynx.h, config/i386/netware.c,
21423	config/i386/winnt.c, config/ia64/ia64-c.c,
21424	config/iq2000/iq2000.c, config/m32r/little.h,
21425	config/m68k/m68k-protos.h, config/m68k/m68k.h,
21426	config/m68k/m68k.md, config/mcore/mcore.c,
21427	config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
21428	config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
21429	config/mn10300/mn10300.h, config/ns32k/netbsd.h,
21430	config/ns32k/ns32k.c, config/ns32k/ns32k.h,
21431	config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
21432	config/pdp11/pdp11.h, config/rs6000/darwin.h,
21433	config/rs6000/default64.h, config/rs6000/rs6000-c.c,
21434	config/s390/2064.md, config/s390/2084.md,
21435	config/s390/s390-modes.def, config/s390/s390-protos.h,
21436	config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
21437	config/stormy16/stormy16.c, config/vax/vax-protos.h,
21438	config/vax/vax.c, config/vax/vax.h,
21439	config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
21440	copyright.
21441
214422005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
21443
21444	* c-typeck.c (build_compound_expr): Correct logic in last change.
21445
214462005-04-27  James E. Wilson  <wilson@specifixinc.com>
21447
21448	* config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
21449	parameters.  Replace conditional move code with assert checking for
21450	ar.lc.  Delete obsolete comments.
21451	(set_src_needs_barrier): Delete cond parameter, and code using it.
21452	(rtx_needs_barrier): Delete initialization of cond.  Fix typo in
21453	assert checking for PR_REGS.  Fix calls to update_set_flags and
21454	set_src_needs_barrier.
21455	(group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
21456	callers.  Rewrite explanatory comment before the function.
21457	(safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
21458	Fix all callers.
21459
214602005-04-27  Mike Stump  <mrs@apple.com>
21461
21462	* doc/cpp.texi: gcc now implements universal character names.
21463
214642005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
21465
21466	PR c/21159
21467	* c-typeck.c (build_compound_expr): Don't warn for left-hand side
21468	being a compound expression whose right-hand side is cast to void.
21469
214702005-04-27  Caroline Tice  <ctice@apple.com>
21471
21472	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
21473	Remove targetm.have_named_sections test.
21474	(fix_edges_for_rarely_executed_code): Likewise.
21475	(insert_section_boundary_note): Likewise.
21476	(reorder_basic_blocks): Check partitioning flag before calling
21477	verify_hot_cold_block_grouping.
21478	* dbxout.c (dbxout_function_end): Get hot/cold section labels from
21479	the function struct rather than global variables.
21480	* dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
21481	(COLD_END_LABEL): Likewise
21482	(cold_text_section_label): New static global variable.
21483	(cold_end_label): Likewise.
21484	(dwarf2out_switch_text_section): Get hot/cold section labels from
21485	the function struct rather than global variables; test to make sure
21486	cfun is defined.
21487	(output_aranges): Use cold_text_section_label and cold_end_label;
21488	check partitioning flag before putting out delta.
21489	(output_ranges): Remove incorrect code attempting to use
21490	hot/cold labels.
21491	(output_line_info): Get cold section label from function struct; test
21492	to make sure cfun is defined.
21493	(add_location_or_const_value_attribute): Likewise.
21494	(dwarf2out_var_location): Likewise.
21495	(dwarf2out_init): Generate cold_text_section_label and cold_end_label;
21496	write out cold_text_section_label if partition flag is set.
21497	(dwarf2out_finish): Write out cold_end_label if partition flag is set;
21498	* function.h (struct function): Add new fields to point to hot/cold
21499	section labels: hot_section_label, cold_section_label,
21500	hot_section_end_label and cold_section_end_label; also add new field
21501	for cold text section name, unlikely_text_section_name.
21502	* opts.c (decode_options): Turn off partitioning flag if
21503	!targetm.have_named_sections.
21504	* output.h (hot_section_label): Remove.
21505	(hot_section_end_label): Remove.
21506	(cold_section_end_label): Remove.
21507	(unlikely_section_label): Remove.
21508	(unlikely_text_section_name): Remove.
21509	* passes.c (rest_of_handle_final): Remove extra blank line.
21510	* varasm.c (unlikely_section_label): Remove.
21511	(hot_section_label): Remove.
21512	(hot_section_end_label): Remove.
21513	(cold_section_end_label): Remove.
21514	(unlikely_text_section_name): Remove.
21515	(initialize_cold_section_name): Modify to call
21516	targetm.strip_name_encoding; to store cold section name in current
21517	function struct, if it exists; and to only use the decl_section_name
21518	if flag_named_sections is true.
21519	(unlikely_text_section): Modify to get section name out of current
21520	function struct, if there is one; otherwise build it from
21521	UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
21522	(in_unlikely_text_section): Likewise.
21523	(named_section): Modify to get/put cold section name in current function
21524	struct, if there is one.
21525	(function_section): Change 'bool unlikely' to 'int reloc'; check
21526	targetm.have_named_sections before calling named_section.
21527	(current_function_section): Likewise.
21528	(assemble_start_function): Modify to get/put unlikely_text_section_name
21529	in current function struct; modify to get hot/cold section labels
21530	from function struct; initialize labels using
21531	ASM_GENERATE_INTERNAL_LABEL;
21532	test partitioning flag before writing out hot section label.
21533	(assemble_end_function): Test partitioning flag before writing out
21534	hot/cold section labels.
21535	(default_section_type_flags_1): Get cold text section name from
21536	function struct if there is one; Set flags correctly for
21537	cold text section if there is not a current function struct.
21538
215392005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
21540
21541	* tree-ssa-propagate.c (set_rhs): Revert last change.
21542
215432005-04-27  Steve Ellcey  <sje@cup.hp.com>
21544
21545	* explow.c (convert_memory_address): Add gcc_assert.
21546
215472005-04-27  Mark Mitchell  <mark@codesourcery.com>
21548
21549	* configure.ac: Check for ld --sysroot support.
21550	* gcc.c: Document %R specifier for specs.
21551	(SYSROOT_SPEC): New macro.
21552	(sysroot_spec): New variable.
21553	(static_specs): Add sysroot_spec.
21554	(main): Pass the sysroot spec to the linker if appropriate.
21555	* configure: Regenerated.
21556	* config.in: Likewise.
21557
215582005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
21559
21560	* fold-const.c (fold_binary): Use build_fold_addr_expr
21561	for address calculation and INDIRECT_REF handling.
21562
215632005-04-27  Andrew Haley  <aph@redhat.com>
21564
21565	* postreload-gcse.c (hash_scan_set): Remove bogus assertion.
21566
215672005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
21568
21569	* config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
21570	pointer when thumb backtracing is on.
21571
21572	* config/fp-bit.c (abort): Revert change.
21573
215742005-04-27  Ian Lance Taylor  <ian@airs.com>
21575
21576	* c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
21577
215782005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
21579
21580	* tree-ssa-dce.c: Fix a comment typo.
21581
215822005-04-27  David S. Miller  <davem@davemloft.net>
21583
21584	* explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
21585	Kill setjmpless_size.  current_function_calls_setjmp is completely
21586	computed when we are called, so just use the optimized size value
21587	instead of using REG_SAVE_AREA notes.
21588	(optimize_save_area_alloca): Delete....
21589	* rtl.h (optimize_save_area_alloca): Likewise...
21590	* passes.c (rest_of_compilation): and don't call it any more.
21591	* reg-notes.def (SAVE_AREA): Delete.
21592
215932005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
21594
21595	* config/fp-bit.c (abort): Add noreturn attribute.
21596
21597	* config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
21598	gcc_unreachable as appropriate.
21599	(ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
21600	* config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
21601	ASM_OUTPUT_REG_POP): Likewise.
21602
216032005-04-27  Paolo Bonzini  <bonzini@gnu.org>
21604
21605	* tree-complex.c (expand_vector_operations_1): Do not build
21606	VIEW_CONVERT_EXPR's for the lhs.
21607
216082005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
21609
21610	* config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
21611	unnecessary noncanonical RTL handling.
21612	* config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
21613	gcc_assert and gcc_unreachable.
21614
21615	* config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
21616	gcc_unreachable as appropriate.
21617	(THUMB_PRINT_OPERAND_ADDRESS): Likewise.
21618	* config/arm/arm.c (arm_override_options, arm_compute_func_type,
21619	use_return_insn, const_ok_for_op, arm_gen_constant,
21620	arm_canonicalize_comparison, legitimize_pic_address,
21621	thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
21622	arm_cirrus_insn_p, cirrus_reorg, minmax_code,
21623	load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
21624	emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
21625	arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
21626	move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
21627	dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
21628	fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
21629	output_call, output_mov_long_double_fpa_from_arm,
21630	output_mov_long_double_arm_from_fpa,
21631	output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
21632	output_move_double, arithmetic_instr, shift_op, int_log2,
21633	output_return_instruction, arm_output_function_prologue,
21634	arm_output_epilogue, arm_output_function_epilogue,
21635	emit_multi_reg_push, arm_get_frame_offsets,
21636	arm_compute_initial_elimination_offset, arm_expand_prologue,
21637	arm_print_operand, arm_assemble_integer, get_arm_condition_code,
21638	arm_final_prescan_insn, arm_init_iwmmxt_builtins,
21639	arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
21640	thumb_compute_initial_elimination_offset,
21641	thumb_output_function_prologue, thumb_load_double_from_address,
21642	thumb_output_move_mem_multiple, thumb_reload_out_hi,
21643	arm_emit_vector_const, arm_dbx_register_number): Likewise.
21644	* config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
21645	* config/arm/arm.md (thumb_extendhisi2,
21646	*thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
21647	*thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
21648	thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
21649	*arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
21650	* config/arm/cirrus.md (*cirrus_arm_movdi,
21651	*cirrus_movdf_hard_insn): Likewise.
21652	* config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21653
216542005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
21655
21656	* tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
21657	(num_ssa_names): Use VEC_length.
21658	(ssa_names): Use VEC_index.
21659	* tree-ssanames.c (ssa_names): Change the type to
21660	VEC(tree,gc).
21661	(init_ssanames, fini_ssa_names, make_ssanames,
21662	release_ssa_name): Update uses of ssa_names.
21663
21664	* dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
21665	Use fold_buildN instead of fold (buildN (...)).
21666
216672005-04-27  Devang Patel <dpatel@apple.com>
21668
21669	* dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
21670
216712005-04-27  Matt Thomas <matt@3am-software.com>
21672	    Jan-Benedict Glaw <jbglaw@microdata-pos.de>
21673
21674	* config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
21675	(vax_output_mi_thunk): Ditto.
21676	(vax_notice_cc_update): Ditto.
21677	(INDEX_REGISTER_P): Add trailing \.
21678	(BASE_REGISTER_P): Add trailing \.
21679	(legitimate_address_p): Whitespace cleanup.  Remove trailing \.
21680
216812005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
21682
21683	* tree-ssa-propagate.c (set_rhs): Check operand of
21684	ADDR_EXPR for gimpliness, too.
21685
216862005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
21687
21688	* tree-ssa-pre.c: Fix a comment typo.
21689
216902005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
21691
21692	PR tree-optimization/21171
21693	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
21694	record address uses if the reference is volatile.
21695
216962004-04-27  Paolo Bonzini  <bonzini@gnu.org>
21697
21698	* tree-complex.c (expand_vector_operation): New, extracted from
21699	expand_vector_operations_1.
21700	(tree_vec_extract): Build a NOP_EXPR.
21701	(expand_vec_parallel): Do not care about returning the correct type.
21702	(expand_vector_operations_1): Call expand_vector_operation.
21703	Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
21704
21705	* tree-complex.c (gate_expand_vector_operations): New.
21706	(pass_lower_vector_ssa): Use it.
21707	* tree-optimize.c (init_tree_optimization_passes): Include
21708	pass_lower_vector_ssa.
21709	* tree-vect-transform.c (vect_min_worthwhile_factor): New.
21710	(vectorizable_operation): Use it.
21711	* tree-vectorizer.c (get_vectype_for_scalar_type): Accept
21712	integer modes for the vector type.
21713
21714	* defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
21715	* tree-vect-analyze.c (vect_enhance_data_refs_alignment):
21716	Do not cope with UNITS_PER_SIMD_WORD == 0.
21717	* tree-vectorizer.c (get_vectype_for_scalar_type): Check
21718	if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
21719	(vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
21720	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
21721	* config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
21722	* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
21723	* config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
21724
21725	* config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
21726	* config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
21727	* config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
21728
21729	* doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
21730	(UNITS_PER_SIMD_WORD): New.
21731
217322005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
21733
21734	* config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
21735	gcc_unreachable as appropriate.
21736	(ia64_expand_load_address, ia64_expand_tls_address,
21737	ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
21738	ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
21739	next_scratch_gr_reg, ia64_initial_elimination_offset,
21740	ia64_expand_prologue, ia64_expand_epilogue,
21741	ia64_output_dwarf_dtprel, ia64_print_operand,
21742	ia64_register_move_cost, first_instruction, rws_access_regno,
21743	update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
21744	ia64_sched_init, ia64_variable_issue,
21745	ia64_first_cycle_multipass_dfs_lookahead_guard,
21746	ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
21747	ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
21748	process_for_unwind_directive, ia64_hpux_file_end): Likewise.
21749	* config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
21750	* config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21751	* config/ia64/predicates.md (got_symbolic_operand,
21752	sdata_symbolic_operand): Likewise.
21753	* config/ia64/vect.md (vcondv2sf): Likewise.
21754
217552005-04-27  Matt Thomas <matt@3am-software.com>
21756
21757	* config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
21758	CONSTANT_ADDRESS_P in config/vax/vax.h
21759	(legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
21760	(INDEX_REGISTER_P): New.
21761	(BASE_REGISTER_P): New.
21762	(indirectable_constant_address_p): New.  Adapted from
21763	INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
21764	(indirectable_address_p): New.  Adapted from
21765	INDIRECTABLE_ADDRESS_P in vax.h.
21766	(nonindexed_address_p): New.  Adapted from
21767	GO_IF_NONINDEXED_ADDRESS in vax.h.
21768	(index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
21769	(reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
21770	(legitimate_address_p): New.  Adapted from
21771	GO_IF_LEGITIMATE_ADDRESS in vax.h.
21772	(vax_mode_dependent_address_p): New.  Adapted from
21773	GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
21774	* config/vax/vax.h (CONSTANT_ADDRESS_P): Use
21775	legitimate_constant_address_p.
21776	(CONSTANT_P): Use legitimate_constant_p.
21777	(INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
21778	(INDIRECTABLE_ADDRESS_P): Removed.
21779	(GO_IF_NONINDEXED_ADDRESS): Removed.
21780	(INDEX_TEMP_P): Removed.
21781	(GO_IF_REG_PLUS_INDEX): Removed.
21782	(GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
21783	definitions, depending on whether REG_OK_STRICT is defined.
21784	(GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
21785	Two definitions, depending on whether REG_OK_STRICT is defined.
21786	* config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
21787	added.
21788	(legitimate_constant_p): Prototype added.
21789	(legitimate_address_p): Prototype added.
21790	(vax_mode_dependent_address_p): Prototype added.
21791
217922005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
21793
21794	* tree.h (phi_arg_d): Expand a comment in phi_arg_d.
21795
217962005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
21797
21798	PR c/21213
21799	* c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
21800	transparent union.
21801
218022005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
21803
21804	PR c/20740
21805	* c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
21806	assertion failures, if __gcc_host_wide_int__ is not properly
21807	defined.
21808	(init_dynamic_diag_info): Give errors, not assertion failures, if
21809	location_t, tree or __gcc_host_wide_int__ are not properly
21810	defined.
21811
218122005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
21813
21814	* tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
21815	n_iv_uses, iv_use, n_iv_cands, iv_cand,
21816	tree_ssa_iv_optimize_init, record_use, add_candidate_1,
21817	prepare_decl_rtl, free_loop_data,
21818	tree_ssa_iv_optimize_finalize): Use the VEC API instead of
21819	VARRAY.
21820
21821	* tree.h (tree_phi_node): Add a comment about the order of PHI
21822	arguments.
21823
218242005-04-26  Paul Brook  <paul@codesourcery.com>
21825
21826	* config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
21827
218282005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
21829
21830	* config/mips.mips.c (mips_legitimize_tls_address): Use
21831	gcc_unreachable.
21832
21833	* config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
21834	* config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
21835	* config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
21836
21837	* config/sparc/sparc.h (enum reg_class): Reword comment to avoid
21838	'abort'.
21839
218402005-04-26  Jeff Law  <law@redhat.com>
21841
21842	* tree-flow-inline.h (op_iter_next_must_and_may_def): New.
21843	(op_iter_init_must_and_may_def): Likewise.
21844	(unmodifiable_var_p): Move to a later point in the file.
21845	* tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
21846	* tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
21847	(dse_record_phis): Directly check for virtual operands rather than
21848	using need_imm_uses_for.
21849	(dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
21850	store has multiple V_{MAY,MUST}_DEF operands.
21851
218522005-04-26  Andrew MacLeod  <amacleod@redhat.com>
21853
21854	* tree-cfg.c (bsi_replace): Delink immediate uses for the original
21855	stmt.
21856
218572005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
21858
21859	* tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
21860	call to find_edge outside a loop to go through a PHI chain.
21861
218622004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
21863
21864	PR tree-optimization/17598
21865	* fold-const.c (fold_binary): Fold comparisons of addresses
21866	of COMPONENT_REFs which reference the same field to
21867	comparisons of the addresses of the base objects.
21868
218692005-04-26  Julian Brown  <julian@codesourcery.com>
21870
21871	* config/arm/arm.c (arm_return_in_msb): New function.
21872	(arm_must_pass_in_stack): New function.
21873	(TARGET_RETURN_IN_MSB): Define target hook.
21874	(TARGET_MUST_PASS_IN_STACK): Define target hook.
21875	(arm_function_value): Pad small aggregate return.
21876	(arm_pad_arg_upward): New function.
21877	(arm_pad_reg_upward): New function.
21878	* config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
21879	(FUNCTION_ARG_PADDING): Define macro.
21880	(BLOCK_REG_PADDING): Define macro.
21881	(PAD_VARARGS_DOWN): Correct padding for AAPCS.
21882	* config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
21883	(arm_pad_reg_upward): Declare function.
21884
218852005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
21886
21887	* basic-block.h (ei_cond): New.
21888	(FOR_EACH_EDGE): Call ei_cond.
21889
21890	PR tree-optimization/21047
21891	* fold-const.c (fold_binary): Abort on ASSERT_EXPR.
21892	(fold): Don't handle ASSERT_EXPR.
21893
218942005-04-25  Roger Sayle  <roger@eyesopen.com>
21895
21896	* sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
21897	all writes to any stack register as a read/write dependency on
21898	FIRST_STACK_REG.
21899	(sched_analyze_2): Likewise, for reads from any stack register.
21900
219012005-04-25  Richard Henderson  <rth@redhat.com>
21902
21903	* final.c (output_addr_const): Revert 2005-04-09 change.
21904
219052005-04-25  Mike Stump  <mrs@apple.com>
21906
21907	* config/darwin.c (darwin_encode_section_info): Always set
21908	MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
21909
219102005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21911
21912	* collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
21913	gensupport.c, protoize.c, toplev.c: Replace calls to
21914	`unlock_stream' with `unlock_std_streams'.
21915
219162005-04-25  Devang Patel <dpatel@apple.com>
21917
21918	* dbxout.c (dbxout_type): Emit attribute vector.
21919
219202005-04-05  Paul Brook  <paul@codesourcery.com>
21921
21922	* target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
21923	* target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
21924	* config/arm/arm.c (arm_cxx_atexit_name): New function.
21925	(TARGET_CXX_USE_AEABI_ATEXIT): New macro.
21926	* cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
21927	(register_dtor_fn): Likewise.
21928	* doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
21929
219302005-04-25  Ian Lance Taylor  <ian@airs.com>
21931
21932	* c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
21933	* c-common.h (EXPR_STMT_EXPR): Don't define.
21934	(c_common_stmt_codes): Don't define.
21935	* c-dump.c (c_dump_tree): Remove EXPR_STMT case.
21936	* c-gimplify.c (gimplify_expr_stmt): Remove.
21937	(c_gimplify_expr): Remove EXPR_STMT case.
21938	* c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
21939	to INIT_STATEMENT_CODES.
21940	* c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
21941
219422005-04-25  Jan Hubicka  <jh@suse.cz>
21943
21944	* tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
21945
21946	* except.c: Include diagnostic.h
21947	(dump_eh_tree, verify_eh_tree): New functions.
21948	* except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
21949	* tree-cfg.c (tree_verify_flow_info): verify eh edges.
21950	(dump_function_to_file): dump eh tree.
21951	* tree-eh.c (mark_eh_edge): New function.
21952	(mark_eh_edge_found_error): New static variable.
21953	(verify_eh_edges): New function.
21954
219552005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
21956
21957	* tree-ssa-alias.c (fieldoff_t): Remove.
21958	(fieldoff_s): typedef the structure itself.  Create a vector of
21959	objects.
21960	(push_fields_onto_fieldstack): Return count of fields pushed.
21961	Remove peeling of first field.  Adjust.
21962	(fieldoff_compare): Adjust.
21963	(create_overlap_variables_for): Adjust.
21964
219652005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
21966
21967	* doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
21968
219692005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
21970
21971	PR bootstrap/21215
21972	* doc/install.texi: Document correct assembler and linker to use
21973	on i?86-*-solaris2.10.
21974
219752005-04-25  Steven Bosscher  <stevenb@suse.de>
21976
21977	Fix PR tree-optimization/21173
21978
21979	* tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
21980	Unshare expression we pass to force_gimple_operand.
21981
219822005-04-25  J"orn Rennecke <joern.rennecke@st.com>
21983	    Stephen Clarke <stevec@superh.com>
21984	    Roger Sayle <roger@eyesopen.com>
21985
21986	PR rtl-optimization/20413
21987	* cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
21988	VOIDmode for LABEL_REF.
21989	* final.c (shorten_branches): Likewise.
21990	* jump.c (mark_all_labels, redirect_exp_1): Likewise.
21991	* loop.c (reg_dead_after_loop): Likewise.
21992	* varasm.c (decode_addr_const): Likewise.
21993	* doc/rtl.texi: Document mode requirement for LABEL_REF.
21994
219952005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
21996
21997	* config.gcc (avr-*-*): Remove redundant "case".
21998
219992005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
22000
22001	* tree-vect-analyze.c (vect_mark_relevant): Take
22002	VEC(tree,heap) instead of varray_type as an argument.
22003	(vect_mark_stmts_to_be_vectorized): Change the type of
22004	worklist to VEC(tree,heap).  Adjust uses of worklist.
22005
220062005-04-24  Devang Patel  <dpatel@apple.com>
22007
22008	*  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
22009
220102005-04-24  Ian Lance Taylor  <ian@airs.com>
22011
22012	* c-semantics.c (build_stmt): Remove test of specific tree codes
22013	for TREE_SIDE_EFFECTS handling.
22014
220152005-04-24  Per Bothner  <per@bothner.com>
22016
22017	* c-opts.c (finish_options): Make the line-number of the <built-in>
22018	location 0, as assumed elsewhere, rather than 1.
22019
220202005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
22021
22022	* tree-ssa-uncprop.c (equiv_stack): Change the type o
22023	VEC(tree,heap).
22024	(tree_ssa_uncprop, uncprop_finalize_block,
22025	uncprop_initialize_block): Update uses of equiv_stack.
22026
220272005-04-24  Richard Henderson  <rth@redhat.com>
22028
22029	PR rtl-opt/21163
22030	* simplify-rtx.c (simplify_binary_operation) <IOR>: Check
22031	for SCALAR_INT_MODE_P instead of not MODE_CC before returning
22032	constm1_rtx.
22033	<AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
22034	<UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
22035	<DIV, MOD>: Likewise.
22036
220372005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22038
22039	* collect2.c (main): Unlock the stdio streams.
22040	* gcc.c (main): Likewise.
22041	* gcov-dump.c (main): Likewise.
22042	* gcov.c (main): Likewise.
22043	* gen-protos.c (main): Likewise.
22044	* gensupport.c (init_md_reader_args_cb): Likewise.
22045	* protoize.c (main): Likewise.
22046	* toplev.c (general_init): Likewise.
22047
220482005-04-24  Jakub Jelinek  <jakub@redhat.com>
22049
22050	PR middle-end/20991
22051	* cgraph.h (cgraph_local_info): Add vtable_method field.
22052	* varasm.c (mark_decl_referenced): If cgraph_global_info_ready
22053	and node is vtable_method, finalized and not reachable, don't do
22054	anything.
22055
220562005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
22057
22058	* tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
22059	COMPARISON_CLASS_P.
22060	* tree-ssa-pre.c (create_value_expr_from): Use
22061	CONSTANT_CLASS_P and REFERENCE_CLASS_P.
22062	* tree-ssa-propagate.c (stmt_makes_single_load,
22063	stmt_makes_single_store): Use REFERENCE_CLASS_P.
22064	* tree-vect-transform.c (vect_is_simple_cond): Use
22065	COMPARISON_CLASS_P.
22066	* tree-vrp.c (extract_range_from_assert,
22067	build_assert_expr_for, fp_predicate, has_assert_expr): Use
22068	COMPARISON_CLASS_P.
22069
22070	* tree-ssa-live.c (build_tree_conflict_graph): Change the type
22071	of tpa_to_clear to VEC(int,heap).  Update uses of
22072	tpa_to_clear.  Free tpa_to_clear at the end.
22073
220742005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
22075
22076	* tree.h (TREE_THIS_VOLATILE): Document the effect on a
22077	function decl.
22078
220792005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
22080
22081	* config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
22082	and gcc_unreachable as appropriate.
22083	(num_insns_constant, output_vec_const_move,
22084	build_mask64_2_operands, rs6000_output_dwarf_dtprel,
22085	rs6000_emit_set_const, rs6000_emit_move,
22086	spe_build_register_parallel, function_arg,
22087	rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
22088	spe_expand_predicate_builtin, spe_expand_evsel_builtin,
22089	rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
22090	rs6000_common_init_builtins, expand_block_clear,
22091	expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
22092	extract_ME, rs6000_get_some_local_dynamic_name,
22093	rs6000_output_function_entry, print_operand,
22094	print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
22095	output_cbranch, output_e500_flip_gt_bit,
22096	rs6000_emit_vector_compare, rs6000_emit_vector_compare,
22097	rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
22098	compute_save_world_info, rs6000_stack_info,
22099	rs6000_emit_load_toc_table, rs6000_frame_related,
22100	spe_synthesize_frame_save, rs6000_emit_epilogue,
22101	rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
22102	output_function_profiler, rs6000_trampoline_size,
22103	rs6000_initialize_trampoline, find_addr_reg,
22104	rs6000_machopic_legitimize_pic_address,
22105	rs6000_initial_elimination_offset,
22106	rs6000_dbx_register_number): Likewise.
22107	* config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
22108	*movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
22109	*movti_power, *movti_string, call, call_value, sibcall,
22110	sibcall_value): Likewise.
22111	* config/rs6000/spe.md (*movdf_e500_double,
22112	*movv2si_internal): Likewise.
22113	* config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
22114	from comment.
22115
221162005-04-24  Richard Henderson  <rth@redhat.com>
22117
22118	PR target/21101
22119	* config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
22120	* config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
22121	Deny modes smaller than 4 bytes.
22122	* config/i386/i386-protos.h: Update.
22123
221242005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
22125
22126	* config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
22127	Switch h8300-*-rtems* to ELF.
22128
221292005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
22130
22131	* vec.h (VEC_safe_grow): Replace grow with safe_grow.
22132
221332005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
22134
22135	* ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
22136
221372005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
22138
22139	PR middle-end/21082
22140	* fold-const.c: Fold &a[i]-&a[j] to i-j.
22141
221422005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
22143
22144	* tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
22145	definitions of ssa names in condition.  Split recusive part to ...
22146	(tree_simplify_using_condition_1): New function.
22147	(expand_simple_operations): New function.
22148
221492005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
22150
22151	* tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
22152	(find_interesting_uses_cond): Do not use integer_zerop and
22153	integer_nonzerop to check for integer constants.
22154	(set_use_iv_cost): Record the value field.
22155	(determine_use_iv_cost_generic, determine_use_iv_cost_address,
22156	determine_use_iv_cost_outer): Set the value field of the cost pair.
22157	(may_eliminate_iv): Do not return the comparison code.
22158	(iv_elimination_compare): New function.
22159	(determine_use_iv_cost_condition): Set the value field.  Record
22160	noneliminable invariants correctly.
22161	(rewrite_use_compare, rewrite_use_outer): Use the value field.
22162
221632005-04-23  DJ Delorie  <dj@redhat.com>
22164
22165	* diagnostic.c (warning): Accept parameter to classify warning option.
22166	(warning0): New, for when a pointer to an error() like function is needed.
22167	* errors.c (warning): Likewise.
22168	* errors.h (warning, warning0): Adjust prototypes.
22169	* toplev.h (warning, warning0): Likewise.
22170
22171	* attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
22172	c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
22173	c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
22174	fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
22175	genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
22176	reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
22177	tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
22178	tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
22179
22180	* config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
22181	config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
22182	config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
22183	config/darwin.c, config/darwin.h, config/h8300/h8300.c,
22184	config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
22185	config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
22186	config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
22187	config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
22188	config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
22189	config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
22190	config/rs6000/aix52.h, config/rs6000/darwin.h,
22191	config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
22192	config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
22193	config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
22194	config/stormy16/stormy16.c, config/v850/v850-c.c,
22195	config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
22196	callers.
22197
221982005-04-23  Richard Henderson  <rth@redhat.com>
22199
22200	PR rtl-opt/21102
22201	* simplify-rtx.c (simplify_binary_operation): Fix mode check before
22202	performing some integral scalar simplifications.
22203
222042005-04-23  Richard Henderson  <rth@redhat.com>
22205
22206	PR target/21099
22207	* config/i386/i386.c (ix86_split_to_parts): Use proper mode when
22208	simplifying CONST_VECTOR.
22209
222102005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
22211
22212	* tree-ssa-live.c (live_worklist): Take a stack allocated on
22213	heap as an argument.  Update uses of stack.
22214	(calculate_live_on_entry): Allocate stack on heap.
22215
22216	* tree-ssa-live.c (build_tree_conflict_graph): Allocate
22217	partition_link and tpa_nodes on heap.
22218
22219	* tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
22220	(mark_stmt_necessary, propagate_necessity,
22221	mark_really_necessary_kill_operand_phis): Update uses of
22222	worklist.
22223	(tree_dce_init): Allocate worklist using VEC_alloc.
22224	(tree_dce_done): Free worklist using VEC_free.
22225
222262005-04-23  Mike Stump  <mrs@apple.com>
22227
22228	* config/darwin.c (machopic_indirection_name): Don't use
22229	quotes needlessly.
22230	(darwin_emit_unwind_label): Use user_label_prefix instead of
22231	"_".
22232
222332005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
22234
22235	* final.c, ipa-inline.c, varasm.c: Fix comment typos.
22236
222372005-04-23  Hans-Peter Nilsson  <hp@axis.com>
22238
22239	* config.gcc <cris-*>: Specify .opt files.
22240	* config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
22241	config/cris/linux.opt: New files.
22242	* config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
22243	(CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
22244	(TARGET_ELF): Override to 0.
22245	(CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
22246	-melinux-stacksize=N.
22247	* config/cris/cris.c: (cris_handle_option): New function.
22248	(TARGET_DEFAULT_TARGET_FLAGS): Override.
22249	(TARGET_HANDLE_OPTION): Override to cris_handle_option.
22250	(cris_override_options): Use MASK_*, not TARGET_MASK_*.
22251	* config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
22252	(TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
22253	(TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
22254	(TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
22255	(TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
22256	(TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
22257	(TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
22258	(TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
22259	(TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
22260	(TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
22261	(TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
22262	(TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
22263	(TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
22264	(CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
22265	(CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
22266	(TARGET_LINUX): Define 0.
22267	(TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
22268	(CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
22269	(CRIS_SUBTARGET_DEFAULT): New empty default macro.
22270	* config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
22271	(TARGET_LINUX): Override to 1.
22272	(CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
22273
222742005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
22275
22276	* haifa-sched.c (schedule_block): Fix thinko in previous
22277	assertification patch.
22278
222792005-04-23  Richard Sandiford  <rsandifo@redhat.com>
22280
22281	* config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
22282	$extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
22283	(hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
22284	pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
22285	$extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
22286	(hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
22287	pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
22288	for hpux11.[1-9]*.
22289	* config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
22290	(pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
22291	(MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
22292	(MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
22293	(TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
22294	(MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
22295	(MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
22296	(TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
22297	(TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
22298	(MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
22299	(MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
22300	(TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
22301	(SUBTARGET_OPTIONS): Delete.
22302	(TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
22303	(TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
22304	instead of a string.
22305	* config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
22306	(pa_cpu_string, pa_unix_string): Delete.
22307	(pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
22308	(flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
22309	TARGET_HPUX_10_10.
22310	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
22311	(pa_handle_option): New function.
22312	(override_options): Remove handling of -march=, -mfixed-range=,
22313	-mschedule= and -munix=.
22314	* config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
22315	* config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
22316	* config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
22317	* config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
22318	* config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
22319	* config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
22320	* config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
22321	redefining.
22322	* config/pa/pa.opt: New file.
22323	* config/pa/pa-hpux.opt: New file.
22324	* config/pa/pa-hpux1010.opt: New file.
22325	* config/pa/pa-hpux1111.opt: New file.
22326	* config/pa/pa64-hpux.opt: New file.
22327
223282005-04-22  David S. Miller  <davem@davemloft.net>
22329
22330	* rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
22331	integer when it's mode is VOIDmode not DImode.
22332
223332005-04-22  Geoffrey Keating  <geoffk@apple.com>
22334
22335	* config/rs6000/rs6000.md (sync_add<mode>_internal,
22336	sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
22337	sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
22338	sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
22339	sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
22340	"bne- $-xxx" rather than local labels.
22341	(sync_lock_release<mode>): Add second operand.
22342	(lwsync): Use .long rather than a more meaningful opcode.
22343	* doc/md.texi (Standard Names): Add description of second
22344	parameter to sync_lock_test_and_set.
22345
223462005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
22347
22348	PR tree-optimization/21088
22349	* fold-const.c (fold_unary, fold_binary, fold_ternary):
22350	Export.
22351	* tree-vrp.c (compare_values): Use fold_binary to compare
22352	pointers.  Use boolean_type_node as the type of a comparison
22353	expression being folded.
22354	* tree.h: Add prototypes for fold_unary, fold_binary,
22355	fold_ternary.
22356
22357	* tree-ssa-dom.c: Fix formatting.
22358
223592005-04-22  Diego Novillo  <dnovillo@redhat.com>
22360
22361	* Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
22362	* lambda-code.c (perfect_nestify): Mark virtual operands in
22363	the moved statement for renaming.
22364	* params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
22365	(PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
22366	* params.h (MIN_VIRTUAL_MAPPINGS): Define.
22367	(VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
22368	* tree-flow.h (struct var_ann_d): Update comments.
22369	(rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
22370	allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
22371	debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
22372	debug_tree_ssa_stats, rewrite_ssa_into_ssa,
22373	dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
22374	debug_names_replaced_by): Remove declarations.
22375	(delete_update_ssa, get_current_def, set_current_def): Declare.
22376	(rewrite_into_loop_closed_ssa): Add new argument.  Update
22377	all callers.
22378	* tree-into-ssa.c: Include params.h.
22379	(old_virtual_ssa_names): Remove.  Update all users.
22380	(need_to_replace_names_p): Remove.  Update all users.
22381	(struct update_ssa_stats_d): Declare.
22382	(update_ssa_stats): New local.
22383	(dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
22384	dump_tree_ssa_stats, debug_tree_ssa_stats,
22385	dump_update_ssa, debug_update_ssa,
22386	dump_names_replaced_by, debug_names_replaced_by): Declare.
22387	(get_current_def, set current_def): Make extern.
22388	(is_old_name, is_new_name): Protect against references
22389	past the end of the sets.
22390	(add_new_name_mapping): Assert that OLD and NEW are
22391	different SSA names for the same symbol.
22392	When adding a virtual mapping, update stats for virtual
22393	mapping heuristic.
22394	(insert_phi_nodes_for): If UPDATE_P is true, create the
22395	LHS of the new PHI by duplicating SSA name VAR.
22396	(insert_phi_nodes_1): Remove.  Update all users.
22397	(insert_phi_nodes): Remove second argument.  Update all
22398	users.
22399	(maybe_replace_use, maybe_replace_def): New.
22400	(rewrite_update_stmt): Call them.
22401	(mark_def_interesting): Remove calls to is_gimple_reg.
22402	(prepare_phi_args_for_update): Remove.  Update all users.
22403	(prepare_block_for_update): Only process virtual operands
22404	and GIMPLE registers in normal form.
22405	(prepare_use_sites_for): New.
22406	(prepare_names_to_update): Rename from prepare_def_sites.
22407	Call prepare_use_sites_for.
22408	(dump_update_ssa): Rename from dump_repl_tbl.
22409	Update all users.
22410	Show statistics for virtual mapping heuristic.
22411	(debug_update_ssa): Rename from debug_debug_repl_tbl.
22412	(init_update_ssa): Initialize UPDATE_SSA_STATS.
22413	(delete_update_ssa): Make extern.
22414	(mark_set_for_renaming): If the set is empty, do nothing.
22415	(release_ssa_name_after_update_ssa): Update comment.
22416	(insert_updated_phi_nodes_for): Do not remove existing
22417	PHI nodes for symbols.
22418	(switch_virtuals_to_full_rewrite_p): New.
22419	(switch_virtuals_to_full_rewrite): New.
22420	(update_ssa): Call them.
22421	Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
22422	for every statement before updating.
22423	If all the names in NEW_SSA_NAMES have been marked for
22424	removal, do nothing.
22425	Only start at the top of the CFG if there are symbols in
22426	SYMS_TO_RENAME.
22427	(ssa_rewrite_finalize_block): Remove.
22428	(ssa_register_new_def): Remove.
22429	(ssa_rewrite_stmt): Remove.
22430	(ssa_rewrite_phi_arguments): Remove.
22431	(ssa_rewrite_initialize_block): Remove.
22432	(ssa_mark_def_sites): Remove.
22433	(ssa_mark_def_sites_initialize_block): Remove.
22434	(ssa_mark_phi_uses): Remove.
22435	(rewrite_ssa_into_ssa): Remove.
22436	* tree-phinodes.c (find_phi_node_for): Remove.
22437	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
22438	Call update_ssa.
22439	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
22440	Remove calls to verify_dominators and
22441	verify_loop_structure.
22442	(tree_unswitch_single_loop): Call update_ssa.
22443	* tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
22444	returns false.
22445	Call verify_stmts.
22446	(delete_tree_ssa): Assert that need_ssa_update_p returns
22447	false.
22448	* tree-vect-transform.c (vect_transform_loop): Call update_ssa.
22449	* tree-vectorizer.c (allocate_new_names, rename_def_op,
22450	free_new_names): Remove.  Update all users.
22451	(rename_use_op): Call get_current_def.
22452	(rename_variables_in_bb): Do not handle any real or
22453	virtual definition.
22454	(slpeel_update_phis_for_duplicate_loop): Call
22455	get_current_def and set_current_def instead of using
22456	SSA_NAME_AUX.
22457	(slpeel_update_phi_nodes_for_guard2): Reformat comments.
22458	(slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
22459	ssa_names_to_replace and delete_update_ssa.
22460	* doc/invoke.texi: Document --param min-virtual-mappings
22461	and --param virtual-mappings-ratio.
22462
224632005-04-22  Diego Novillo  <dnovillo@redhat.com>
22464
22465	* tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
22466	for newly created PHI nodes.
22467	Call create_new_def_for for every new V_MAY_DEF and
22468	V_MUST_DEF on the copied statement.
22469	(struct ssa_name_map_entry): Remove.
22470	(ssa_name_map_entry_hash): Remove.
22471	(ssa_name_map_entry_eq): Remove.
22472	(allocate_ssa_names): Remove.
22473	(rewrite_to_new_ssa_names_def): Remove.
22474	(rewrite_to_new_ssa_names_use): Remove.
22475	(rewrite_to_new_ssa_names_bb): Remove.
22476	(rewrite_to_new_ssa_names): Remove.
22477	(tree_duplicate_sese_region): Remove variables ver,
22478	definitions, phi, ssa_name_map and bi.
22479	Call need_ssa_update_p instead of any_marked_for_rewrite_p.
22480	Call update_ssa.
22481	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
22482	update_ssa instead of rewrite_ssa_into_ssa.
22483	* tree-ssa-loop-manip.c (add_exit_phis_edge): Call
22484	create_new_def_for.
22485	(find_uses_to_rename_use): Add argument 'need_phis'.
22486	(find_uses_to_rename_stmt): Do not scan virtual operands.
22487	(find_uses_to_rename): Only scan PHI nodes for
22488	non-virtual names.
22489	(rewrite_into_loop_closed_ssa): Call update_ssa.
22490	(check_loop_closed_ssa_use): Ignore virtual operands.
22491	(check_loop_closed_ssa_stmt): Likewise.
22492	(verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
22493	NULL.
22494	(rename_variables, set_phi_def_stmts): Remove.
22495	(tree_duplicate_loop_to_header_edge): Reformat comment.
22496	Remove variables BB, I and DEFINITIONS.
22497	Call need_ssa_update_p.
22498	Call update_ssa.
22499	(lv_adjust_loop_header_phi): Reformat comment.
22500	* tree-ssanames.c (ssa_names_to_rewrite): Remove.
22501	(marked_for_rewrite_p, any_marked_for_rewrite_p,
22502	mark_for_rewrite, unmark_all_for_rewrite,
22503	marked_ssa_names): Remove.  Update all users.
22504	(release_ssa_name): If VAR has been registered for SSA
22505	updating, do nothing.
22506	* tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
22507	(build_assert_expr_for): Call register_new_name_mapping.
22508	(insert_range_assertions): Update call to update_ssa.
22509	* tree.h (mark_for_rewrite, unmark_all_for_rewrite,
22510	marked_for_rewrite_p, any_marked_for_rewrite_p,
22511	marked_ssa_names): Remove.
22512
225132005-04-22  Jeff Law  <law@redhat.com>
22514
22515	* tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
22516	(restore_currdefs_to_original_value): Likewise.
22517	(register_definitions_for_stmt): Likewise.
22518	(tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
22519	for each variable.  Do not allocate/free block_defs_stack either.
22520	Do not iterate if we just thread jumps.  Only iterate if the
22521	tree_cleanup_cfg does useful work (temporary).
22522	(dom_opt_initialize_block): No longer push a marker on
22523	BLOCK_DEFS_STACK.
22524	(dom_opt_finalize_block): Removal call to restore currdefs.
22525	Relax restrictions for recording edge equivalences.
22526	(record_equivalences_from_phis): No longer need to track
22527	CURRENT_DEF.
22528	(optimize_stmt): Similarly.
22529	(thread_across_edge): Simplify by removing the requirement that
22530	statements in the block we are threading through must be nops.
22531	(initialize_hash_element): Handle GOTO_EXPR.
22532
225332005-04-22  David S. Miller  <davem@davemloft.net>
22534
22535	* sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
22536	CONST_DOUBLE_HIGH.
22537	* config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
22538	fix check on CONST_DOUBLE mode.  It should be VOIDmode
22539	when it is representing an integer.
22540
225412005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
22542
22543	* builtins.c (gimplify_va_arg_expr): Reword comments to avoid
22544	'abort'. Use gcc_assert and gcc_unreachable as appropriate.
22545	* c-format.c (get_constant, decode_format_attr, get_flag_spec,
22546	find_char_info_specifier_index,
22547	find_length_info_modifier_index): Likewise.
22548	* c-typeck.c (composite_type, pop_init_level): Likewise.
22549	* combine.c (cant_combine_insn_p, try_combine): Likewise.
22550	* cse.c (cse_insn): Likewise
22551	* dominance.c (calc_dfs_tree): Likewise
22552	dwarf2out.c (loc_descriptor_from_tree_1,
22553	add_abstract_origin_attribute, force_decl_die,
22554	force_type_die): Likewise
22555	emit-rtl.c (operand_subword_force): Likewise
22556	explow.c (hard_function_value): Likewise
22557	expmed.c (store_bit_field, expand_divmod,
22558	emit_store_flag_force): Likewise
22559	expr.c (emit_move_multi_word, store_expr,
22560	expand_expr_real_1): Likewise
22561	final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
22562	output_operand): Likewise
22563	flow.c (recompute_reg_usage): Likewise
22564	* function.c (assign_stack_temp_for_type, assign_temp,
22565	handle_epilogue_set): Likewise
22566	* genextract.c (main): Likewise
22567	* gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
22568	gimplify_modify_expr_rhs, gimplify_expr): Likewise
22569	* haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
22570	ready_remove, rm_line_notes, rm_other_notes,
22571	schedule_block): Likewise
22572	mips-tfile.c (copy_object, out_of_bounds): Likewise
22573
225742005-04-22 David Edelsohn  <edelsohn@gnu.org>
22575
22576	PR target/20813
22577	* config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
22578	* config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
22579	rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
22580	(rs6000_init_libfuncs): Set TFmode optabs to xlq names if
22581	TARGET_XL_COMPAT.
22582	* doc/invoke.texi (PowerPC options): Change rs64a to rs64.
22583
225842005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
22585
22586	* lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
22587	(gcc_tree_to_linear_expression): Convert to heap allocated
22588	vectors.
22589	(gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
22590	lbv_to_gcc_expression, lle_to_gcc_expression,
22591	lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
22592	perfect_nestify): Likewise.
22593	lambda.h (gcc_loopnest_to_lambda_loopnest,
22594	lambda_loopnest_to_gcc_loopnest): Likewise.
22595	tree-loop-linear.c (linear_transform_loops): Likewise.
22596
225972005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
22598
22599	* config/sparc/predicates.md (arith_double_operand): Use
22600	trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
22601	* config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
22602	(DImode, DFmode constant splitters): Likewise.  Remove code for
22603	TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
22604	(logical constant splitters): Use const_int_operand predicate.
22605	(lshrsi3_extend): Remove code for TARGET_ARCH64 &&
22606	HOST_BITS_PER_WIDE_INT < 64.
22607
226082005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
22609
22610	* config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
22611	gcc_unreachable as appropriate.
22612	(force_mode, emit_move_sequence, singlemove_string,
22613	output_move_double, output_fp_move_double, find_addr_reg,
22614	output_block_move, output_block_clear, output_and,
22615	output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
22616	pa_adjust_cost, pa_issue_rate, print_operand,
22617	output_global_address, output_arg_descriptor, output_cbranch,
22618	output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
22619	output_call): Likewise.
22620	* config/pa/pa.md (call, call_value, sibcall, sibcall_value,
22621	prefetch, prefetch_cc, prefetch_nocc): Likewise.
22622
226232005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
22624
22625	* Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
22626	_gcov_pow2_profiler and _gcov_one_value_profiler.
22627	(tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
22628	(GTFILES): Add $(srcdir)/tree-profile.c.
22629	* gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
22630	__gcov_one_value_profiler): Declare.
22631	* gimplify.c (force_gimple_operand): Check whether the statements
22632	should be produced in ssa form.
22633	(force_gimple_operand_bsi): New function.
22634	* libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
22635	__gcov_one_value_profiler): New functions.
22636	* rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
22637	the profiled value is a power of two or not.
22638	* tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
22639	* tree-flow.h (in_ssa_p): Declare.
22640	(force_gimple_operand_bsi): Declare.
22641	* tree-into-ssa.c (in_ssa_p): New variable.
22642	(rewrite_into_ssa): Set in_ssa_p.
22643	* tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
22644	* tree-profile.c: Include ggc.h and gt-tree-profile.h.
22645	(gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
22646	tree_one_value_profiler_fn): New variables.
22647	(tree_init_edge_profiler): Initialize the profiler function decls.
22648	(tree_gen_edge_profiler): Use global gcov_type_node.
22649	(prepare_instrumented_value): New function.
22650	(tree_gen_interval_profiler, tree_gen_interval_profiler,
22651	tree_gen_one_value_profiler): Call the library functions instead of
22652	creating instrumentation code.
22653	* tree.c (build_fn_decl): New function.
22654	* tree.h (build_fn_decl): Declare.
22655	* value-prof.c (rtl_divmod_values_to_profile,
22656	rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
22657	tree_mod_pow2_value_transform, tree_find_values_to_profile):
22658	Do not handle may_be_other and precise values of exponents at pow2
22659	profiler.
22660	(tree_mod_subtract_transform): Reflect that value field of
22661	histogram has changed meaning.
22662	(tree_divmod_values_to_profile): Record the values correctly.
22663	(tree_values_to_profile): Update comment.
22664	* value-prof.h (struct histogram_value_t): Remove pow2 data.
22665
226662005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
22667
22668	* varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
22669	(decl).
22670
226712005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
22672
22673	* config/i386/i386.md (length_immediate): Use gcc_assert or
22674	gcc_unreachable, as appropriate.
22675	(*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
22676	*pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
22677	*truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
22678	*adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
22679	*addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
22680	*addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
22681	*addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
22682	*addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
22683	*addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
22684	*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
22685	*ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
22686	*ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
22687	pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
22688	pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
22689	*prefetch_sse_rex): Likewise.
22690	* config/i386/predicates.md (x86_64_immediate_operand,
22691	x86_64_zext_immediate_operand, symbolic_operand,
22692	no_seg_address_operand, aligned_operand,
22693	memory_displacement_operand): Likewise.
22694	* config/i386/sse.md (*mov<mode>_internal,
22695	*movv2df_internal): Likewise.
22696
226972005-04-22  Jan Hubicka  <jh@suse.cz>
22698
22699	* Makefile.in (ipa.o, ipa-inline.o): New files.
22700	* cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
22701	cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
22702	cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
22703	* cgraphunit.c (cgraph_default_inline_p,
22704	cgraph_decide_inlining_incrementally,  ncalls_inlined,
22705	nfunctions_inlined, initial_insns, overall_insns,
22706	cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
22707	cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
22708	cgraph_mark_inline, cgraph_check_inline_limits,
22709	cgraph_default_inline_p, cgraph_recursive_inlining_p,
22710	update_callee_keys, lookup_recursive_calls,
22711	cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
22712	cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
22713	cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
22714	pass_ipa_inline): Move to ipa-inline.c
22715	(cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
22716	* ipa.c: New file.
22717	* ipa-inline.c: New file.
22718
227192005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
22720
22721	* doc/invoke.texi (SPARC options): Document that -mapp-regs
22722	is turned off by default on Solaris.
22723
227242005-04-21  Roger Sayle  <roger@eyesopen.com>
22725
22726	* c-common.h (objc_build_method_signature): Update prototype.
22727	* stub-objc.c (objc_build_method_signature): Update the stub
22728	implementation to accept and ignore additional parameter.
22729	* c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
22730	the value of ellipsis to objc_build_method_signature instead
22731	of setting TREE_OVERFLOW on the parms TREE_LIST node.
22732
227332005-04-21  Geoffrey Keating  <geoffk@apple.com>
22734
22735	* config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
22736	* config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
22737	gen_rtx_* not gen_rtx_fmt_*.
22738	(rs6000_emit_vector_select): Likewise.
22739	(rs6000_emit_sync): New.
22740	* config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
22741	(larx, stcx, cmp): New mode substitutions.
22742	(UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
22743	UNSPEC_ISYNC): New constants.
22744	(rlwinm): Give name.
22745	(memory_barrier, isync, lwsync): New insns.
22746	(sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
22747	(sync_lock_release<mode>): New expander.
22748	(sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
22749	sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
22750	sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
22751	sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
22752	sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
22753	sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
22754	(sync_add<mode>_internal, sync_addshort_internal,
22755	sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
22756	sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
22757	sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
22758
22759	* doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
22760	is the memory before, not after, the operation.  Clarify
22761	barrier requirements.
22762
227632005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
22764
22765	* cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
22766	* lambda.h (lambda_vector_min_nz): Likewise.
22767	* langhooks.h (struct lang_hooks_for_types,
22768	struct lang_hooks): Likewise.
22769	* output.h (assemble_integer, this_is_asm_operands): Likewise.
22770	* tree.h: Likewise.
22771	* vec.h: Likewise.
22772	* tree-flow-inline.h (relink_imm_use): Use gcc_assert.
22773
22774	* optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
22775	comments to avoid 'abort'.  Use gcc_assert as necessary.
22776	* opts.c (common_handle_option): Likewise.
22777	* pretty-print.c (pp_base_format_text): Likewise.
22778	* print-rtl.c (print_rtx): Likewise.
22779	* read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
22780	* regmove.c (try_auto_increment): Likewise.
22781	* reload.c (find_valid_class, find_reloads_toplev,
22782	find_equiv_reg): Likewise.
22783	* reload1.c (reload, forget_old_reloads_1, function_invariant_p,
22784	merge_assigned_reloads): Likewise.
22785	* tree-inline.c (inline_forbidden_p_1,
22786	estimate_num_insns_1): Likewise.
22787	* tree-optimize.c (execute_todo): Likewise.
22788	* tree-outof-ssa.c (eliminate_phi): Likewise.
22789	* tree-ssa-alias.c (add_pointed_to_expr): Likewise.
22790	* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
22791	* tree-ssa-operands.c (parse_ssa_operands,
22792	get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
22793	* tree-ssa-pre.c (find_or_generate_expression): Likewise.
22794	* tree-ssanames.c (release_ssa_name): Likewise.
22795	* tree.c (int_bit_position, int_byte_position, tree_low_cst,
22796	walk_tree): Likewise.
22797
22798	* tree-ssa-operands.c (verify_abort): Fold into ..
22799	(verify_imm_links): ... here.
22800
228012005-04-21  Richard Henderson  <rth@redhat.com>
22802
22803	* config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
22804	on non-memory operand for previous inversion.
22805
228062005-04-21  Devang Patel  <dpatel@apple.com>
22807
22808	PR optimization/20994
22809	* tree-if-conv.c (find_phi_replacement_condition): Avoid generating
22810	x = !(a == b) : p , q;.
22811	(pass_if_conversion): Verify stmts and flow.
22812
228132005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
22814
22815	* optabs.c (gen_conditional_trap): Restore #define.
22816
22817	* alias.c (true_dependence): Remove 'abort' from comments. Use
22818	gcc_assert and gcc_unreachable as appropriate.
22819	(canon_true_dependence): Likewise.
22820	* bb-reorder.c (connect_traces): Likewise.
22821	* c-common.c (c_add_case_label): Likewise.
22822	* c-decl.c (finish_function): Likewise.
22823	* caller-save.c (insert_restore, insert_save): Likewise.
22824	* cfg.c (update_bb_profile_for_threading): Likewise.
22825	* cfganal.c (flow_active_insn_p): Likewise.
22826	* cfgexpand.c (add_reg_br_prob_note): Likewise.
22827	* cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
22828	cfg_layout_merge_blocks): Likewise.
22829	* ifcvt.c (cond_exec_process_insns, merge_if_block,
22830	find_if_block): Likewise.
22831	* integrate.c (allocate_initial_values): Likewise.
22832	* jump.c (reverse_condition, reverse_condition_maybe_unordered,
22833	swap_condition, unsigned_condition, signed_condition,
22834	mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
22835	reg_or_subregno): Likewise.
22836	* lambda-code.c (lambda_compute_auxillary_space,
22837	lambda_transform_legal_p): Likewise.
22838	* lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
22839	* langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
22840	lhd_incomplete_type_error, lhd_expand_expr,
22841	lhd_types_compatible_p, lhd_tree_size): Likewise.
22842	* lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
22843	* local-alloc.c (update_equiv_regs): Likewise.
22844	* loop-unroll.c (peel_loop_completely
22845	unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
22846	peel_loop_simple, unroll_loop_stupid,
22847	analyze_iv_to_split_insn): Likewise.
22848	* loop.c (gen_prefetch, find_and_verify_loops,
22849	basic_induction_var): Likewise.
22850	* modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
22851	* value-prof.c (tree_find_values_to_profile): Likewise.
22852	* varasm.c (named_section, default_assemble_integer,
22853	decode_addr_const): Likewise.
22854
228552005-04-21 Alan Modra  <amodra@bigpond.net.au>
22856	   Fariborz Jahanian <fjahanian@apple.com>
22857
22858	* config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
22859	portion of argument passed in fpr.
22860	* expr.c (emit_push_insn): Fix computation of 'offset' used to
22861	decide on partial argument save on stack.
22862
228632005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
22864
22865	* config/sparc/predicates.md, config/sparc/sparc.md: Fix
22866	comment typos.
22867
228682005-04-21  Jan Hubicka  <jh@suse.cz>
22869
22870	* cgraphunit.c: Include tree-pass.h
22871	(cgraph_decide_recursive_inlining,
22872	cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
22873	cgraph_decide_inlining): Dump goes to dump_file.
22874	(cgraph_optimize): Call ipa passes instead of inliner.
22875	(cgraph_gate_inlining, pass_ipa_inline): New.
22876	* tree-optimize.c (all_ipa_passes): New static variable.
22877	(register_one_dump_file): Dead with IPA passes.
22878	(register_dump_files): Likewise.
22879	(init_tree_optimization_passes): Initialize IPA passes.
22880	(execute_todo): Do cgraph dump when asked to, do not dump function body
22881	for IPA pass.
22882	* tree-pass.h (TODO_dump_cgraph): New macro.
22883	(ipa_passes): Declare.
22884	* Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
22885
228862005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
22887
22888	* config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
22889	gcc_assert instead of abort.
22890	(classify_argument, examine_argument, construct_container,
22891	contains_128bit_aligned_vector_p, ix86_check_movabs,
22892	standard_80387_constant_opcode, standard_80387_constant_rtx,
22893	ix86_initial_elimination_offset, ix86_compute_frame_layout,
22894	pro_epilogue_adjust_stack, ix86_expand_epilogue,
22895	ix86_address_cost, legitimate_address_p, legitimize_pic_address,
22896	legitimize_tls_address, output_pic_addr_const,
22897	i386_output_dwarf_dtprel, put_condition_code, print_reg,
22898	get_some_local_dynamic_name, print_operand, print_operand_address,
22899	output_387_binary_op, emit_i387_cw_initialization,
22900	output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
22901	ix86_expand_clear, ix86_expand_binary_operator,
22902	ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
22903	ix86_cc_modes_compatible, ix86_fp_comparison_codes,
22904	ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
22905	ix86_expand_branch, ix86_expand_setcc,
22906	ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
22907	ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
22908	ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
22909	memory_address_length, ix86_attr_length_immediate_default,
22910	ix86_attr_length_address_default, ix86_agi_dependant,
22911	x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
22912	ix86_expand_binop_builtin, ix86_force_to_memory,
22913	ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
22914	x86_emit_floatuns): Likewise.
22915	* config/i386/netware.c (gen_regparm_prefix,
22916	i386_nlm_strip_name_encoding): Likewise.
22917	* config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
22918
229192005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
22920
22921	* optabs.c (gen_condiational_trap): Remove #define.
22922	(add_equal_note): Assertify. Remove explicit indirection from
22923	call via function pointer.
22924	(expand_ternary_op, expand_simple_binop, expand_binop,
22925	expand_twoval_unop, expand_twoval_binop,
22926	expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
22927	emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
22928	prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
22929	prepare_float_lib_cmp, emit_conditional_move,
22930	emit_conditional_add, gen_add2_insn, gen_add3_insn,
22931	have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
22932	expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
22933	vector_compare_rtx, expand_vec_cond_expr): Likewise.
22934
229352005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
22936
22937	* vec.h: Update API to separate allocation mechanism from type.
22938	(VEC_safe_grow): New.
22939	* vec.c (calculate_allocation): New.
22940	(vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
22941	(vec_gc_free, vec_heap_free): Remove.
22942	* gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
22943	(VEC): Likewise.
22944	(mangle_macro_name): New.
22945	(struct macro_def): New.
22946	(struct macro): Add multiple argument values.
22947	(macro_expans_end): New.
22948	(push_macro_expansion): Chain on new macro. Process multiple
22949	args, create follow on expansion. Return follow on argument.
22950	(macro_input): Deal with multiple arguments.
22951
22952	* tree.h: Define VEC(tree,heap) and VEC(tree,gc).
22953	(struct tree_binfo): Adjust.
22954	* basic-block.h: Define VEC(edge,gc).
22955	(struct edge_def): Adjust.
22956	(struct basic_block_def, struct edge_iterator): Likewise.
22957	(ei_container, ei_start_1, ei_last_1): Likewise.
22958	* cfg.c (connect_src, connect_dest): Likewise.
22959	* cfgrtl.c (force_nonfallthru_and_redirect)
22960	* dbxout.c (dbxout_type)
22961	* dwarf2out.c (gen_member_die)
22962	* lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
22963	(gcc_tree_to_linear_expression): Adjust.
22964	(gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
22965	lbv_to_gcc_expression, lle_to_gcc_expression,
22966	lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
22967	perfect_nestify): Likewise.
22968	* lambda.h (gcc_loopnest_to_lambda_loopnest,
22969	lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
22970	* profile.c (instrument_values): Adjust.
22971	* tree-cfg.c (modified_noreturn_calls): Adjust.
22972	(remove_fallthru_edge): Likewise.
22973	* tree-dump.c (dequeue_and_dump): Adjust.
22974	* tree-flow-inline.h (mark_stmt_modified): Adjust.
22975	* tree-flow.h (modified_noreturn_calls): Adjust.
22976	(tree_on_heap): Remove. (yay!)
22977	(register_new_def): Adjust.
22978	* tree-into-ssa.c: Define VEC(int,heap).
22979	(block_defs_stack): Adjust.
22980	(find_idf, insert_phi_nodes, register_new_def,
22981	rewrite_initialize_block, rewrite_finalize_block,
22982	register_new_update_single, rewrite_update_init_block,
22983	rewrite_update_fini_block, rewrite_blocks,
22984	ssa_rewrite_finalize_block, ssa_register_new_def,
22985	ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
22986	* tree-loop-linear.c (linear_transform_loops): Adjust.
22987	* tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
22988	(push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
22989	* tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
22990	stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
22991	vrp_variables_stack): Adjust declarations.
22992	(tree_ssa_dominator_optimize): Adjust.
22993	(dom_opt_initialize_block, remove_local_expressions_from_table,
22994	restore_nonzero_vars_to_original_value,
22995	restore_vars_to_original_value,
22996	restore_currdefs_to_original_value, dom_opt_finalize_block,
22997	record_var_is_nonzero, record_cond, record_const_or_copy_1,
22998	optimize_stmt, update_rhs_and_lookup_avail_expr,
22999	lookup_avail_expr, record_range): Likewise.
23000	* tree-ssa-pre.c: Define VEC(basic_block,heap).
23001	(compute_antic_aux): Adjust.
23002	(inserted_exprs, create_expression_by_pieces,
23003	insert_into_preds_of_block, eliminate, mark_operand_necessary,
23004	remove_dead_inserted_code, fini_pre): Likewise.
23005	* tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
23006	(varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
23007	ssa_prop_init): Likewise.
23008	* tree-ssa.c: Define VEC(bitmap,heap).
23009	(verify_name_tags): Adjust.
23010	* value-prof.c (rtl_divmod_values_to_profile): Adjust.
23011	(insn_prefetch_values_to_profile, rtl_find_values_to_profile,
23012	tree_divmod_values_to_profile, tree_find_values_to_profile,
23013	value_profile_transformations): Likewise.
23014	* value-prof.h: Define VEC(histogram_value,heap).
23015	* varasm.c: Remove alias_pair pointer typedef, define
23016	VEC(alias_pair,gc).
23017	(finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
23018
23019	* config/pa/pa.c (typedef extern_symbol): Typedef the structure,
23020	not a pointer to it.  Create an object vector.
23021	(extern_symbols): Turn into an object vector.
23022	(pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
23023
230242005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
23025
23026	PR/20742
23027	* Makefile.in (tree-chrec.o): Depend on params.h.
23028	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
23029	default value 20.
23030	* tree-chrec.c: Depend on params.h.  Replace build with buildN,
23031	and fold build with fold_buildN.
23032	(chrec_fold_plus_1): Fail with a chrec_don_know when the size of
23033	the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
23034	(tree_contains_chrecs): Compute an estimation of the size of the
23035	given expression.
23036	* tree-chrec.h (tree_contains_chrecs): Modify its declaration.
23037	(tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
23038	* tree-scalar-evolution.c (simple_iv): Ditto.
23039	* doc/invoke.texi (scev-max-expr-size): Documented.
23040
230412005-04-21  Richard Sandiford  <rsandifo@redhat.com>
23042
23043	* config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
23044	(i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
23045	(i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
23046	(i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
23047	(i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
23048	(i[34567]86-*-uwin*): Likewise i386/cygming.opt.
23049	* config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
23050	(darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
23051	* config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
23052	(darwin_fix_and_continue_switch): Delete.
23053	* config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
23054	(SUBTARGET_SWITCHES): Delete.
23055	* config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
23056	(MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
23057	(MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
23058	(MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
23059	(MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
23060	(MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
23061	(MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
23062	(MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
23063	(TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
23064	(TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
23065	(TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
23066	(TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
23067	(TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
23068	(TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
23069	(TARGET_64BIT): Undef before redefining.
23070	(TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
23071	(TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
23072	(TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
23073	(TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
23074	(TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
23075	(ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
23076	(ix86_asm_string, ix86_regparm, ix86_regparm_string)
23077	(ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
23078	(ix86_debug_arg_string, ix86_debug_addr_string)
23079	(ix86_align_loops_string, ix86_align_jumps_string)
23080	(ix86_align_funcs_string): Delete.
23081	* config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
23082	(TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
23083	* config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
23084	(SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
23085	* config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
23086	* config/i386/sco5.h (MASK_COFF, TARGET_ELF)
23087	(SUBTARGET_SWITCHES): Delete.
23088	* config/i386/i386.c (ix86_debug_arg_string): Delete.
23089	(ix86_debug_addr_string): Delete.
23090	(ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
23091	(ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
23092	(ix86_align_loops_string, ix86_align_jumps_string)
23093	(ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
23094	(ix86_align_funcs_string): Make static.
23095	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
23096	(ix86_handle_option): New function.
23097	(TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
23098	(ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
23099	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
23100	of darwin_fix_and_continue_switch.
23101	(darwin_one_byte_bool): Delete.
23102	* config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
23103	* config/rs6000/rs6000.c (rs6000_override_options): Update assignment
23104	to darwin_one_byte_bool.
23105	* config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
23106	* config/i386/djgpp.opt, config/i386/i386.opt,
23107	* config/i386/sco5.opt: New files.
23108
231092005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
23110
23111	* config/sparc/sparc.c (reg_or_0_operand, const1_operand,
23112	fp_zero_operand, fp_register_operand, intreg_operand,
23113	fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
23114	call_operand, call_operand_address, tgd_symbolic_operand,
23115	tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
23116	symbolic_operand, symbolic_memory_operand, label_ref_operand,
23117	sp64_medium_pic_operand, data_segment_operand,
23118	text_segment_operand, splittable_symbolic_memory_operand,
23119	reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
23120	eq_or_neq, normal_comp_operator, noov_compare_op,
23121	noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
23122	cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
23123	const64_operand, const64_high_operand, arith11_operand,
23124	arith10_operand, arith_double_operand, arith_double_4096_operand,
23125	arith_double_add_operand, arith11_double_operand,
23126	arith10_double_operand, small_int, small_int_or_double,
23127	uns_small_int, uns_arith_operand, clobbered_register,
23128	input_operand, compare_operand): Delete.
23129	(sparc_emit_set_const32): Use predicates in assertion.  Remove special
23130	code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
23131	(sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
23132	(GEN_HIGHINT64, GEN_INT64): Delete.
23133	(sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
23134	gen_safe_XOR64): Adjust for above deletion.
23135	(sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
23136	Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
23137	(legitimate_constant_p): Use const_zero_operand instead.
23138	(sparc_extra_constraint_check): Likewise.
23139	* config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
23140	(PREFERRED_RELOAD_CLASS): Use const_zero_operand.
23141	(PREDICATE_CODES): Delete.
23142	* config/sparc/sparc.md: Include predicates.md.
23143	(All patterns): Adjust for new predicate names.
23144	(cmpdi, cmpdi_sp64): Use arith_operand predicate.
23145	(movhi_const64_special, movsi_const64_special): Add 'K' constraint.
23146	(movdi): Use general_operand predicate.
23147	(movdi_sp64_dbl): Delete.
23148	(movdi_const64_special): Add 'N' constraint.
23149	(movdicc): Use arith10_operand predicate.
23150	(movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
23151	(movdi_cc_reg_sp64): Use arith10_operand predicate.
23152	(movdi_cc_reg_sp64_trunc): Delete.
23153	(cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
23154	(adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
23155	(subdi3_sp32): Delete.
23156	(subdi3_insn_sp32): Change to define_insn_and_split.
23157	(subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
23158	(muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
23159	(smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
23160	umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
23161	small_int_operand predicate.
23162	(divdi3, udivdi3): Use arith_operand predicate.
23163	(udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
23164	(and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
23165	xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
23166	(xordi3_sp64_dbl): Delete.
23167	(cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
23168	cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
23169	cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
23170	cmp_ccx_set_not): Use arith_operand predicate.
23171	(ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
23172	* config/sparc/predicates.md: New file.
23173
231742005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
23175
23176	PR tree-optimization/14846
23177	* fold-const.c (fold_single_bit_test_into_sign_test): New,
23178	split out from ...
23179	(fold_single_bit_test): ... here.
23180	(fold_binary): Call fold_single_bit_test_into_sign_test
23181	instead of fold_single_bit_test.
23182
231832005-04-20  James E Wilson  <wilson@specifixinc.com>
23184
23185	PR c++/20805
23186	* dwarf2out.c (gen_variable_die): Don't emit a specification if this
23187	is another declaration.
23188
231892005-04-21  Hans-Peter Nilsson  <hp@axis.com>
23190
23191	* config/cris/predicates.md: New file.
23192	* config/cris/cris-protos.h (cris_store_multiple_op_p)
23193	(cris_movem_load_rest_p): Declare.
23194	* config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
23195	(cris_movem_load_rest_p): Ditto.  Globalize.
23196	(cris_bdap_operand, cris_bdap_biap_operand,
23197	cris_orthogonal_operator, cris_commutative_orth_op,
23198	cris_operand_extend_operator,
23199	cris_additive_operand_extend_operator, cris_extend_operator,
23200	cris_plus_or_bound_operator, cris_mem_op,
23201	cris_general_operand_or_symbol,
23202	cris_general_operand_or_gotless_symbol,
23203	cris_general_operand_or_plt_symbol, cris_mem_call_operand,
23204	cris_load_multiple_op): Remove predicate functions.
23205	(cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
23206	abort, for UNSPECs other than CRIS_UNSPEC_PLT.
23207	* config/cris/cris.h (PREDICATE_CODES): Don't define.
23208	* config/cris/cris.md: Include predicates.md.
23209	("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
23210
232112005-04-20  Ian Lance Taylor  <ian@airs.com>
23212
23213	* c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
23214	* c-common.h (STMT_EXPR_STMT): Don't define.
23215	(STMT_EXPR_NO_SCOPE): Don't define.
23216	* c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
23217	* c-pretty-print.c (pp_c_primary_expression): Likewise.
23218	(pp_c_expression): Likewise.
23219
232202005-04-20  Richard Henderson  <rth@redhat.com>
23221
23222	PR target/21100
23223	* config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
23224
232252005-04-20  Jeff Law  <law@redhat.com>
23226
23227	* reload1.c (reload): Ignore equivalences between pseudos and
23228	read only memory.
23229
232302005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
23231
23232	PR c/12913
23233	* c-tree.h (struct c_label_list): Update comment.
23234	(struct c_label_context): Rename to struct c_label_context_se.
23235	(label_context_stack): Rename to label_context_stack_se.
23236	(C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
23237	c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
23238	c_end_vm_scope): New.
23239	(C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
23240	* c-decl.c (pop_scope): Call c_end_vm_scope.
23241	(pushdecl): Call c_begin_vm_scope for variably modified
23242	declarations.
23243	(define_label): Check for jumping into scope of identifier with
23244	variably modified type.  Push label on stack for those defined at
23245	current context of identifiers with variably modified type.
23246	(start_function): Create stack level for context of identifiers
23247	with variably modified type.
23248	(finish_function): Pop stack level for context of identifiers with
23249	variably modified type.
23250	* c-typeck.c (label_context_stack): Rename to
23251	label_context_stack_se.
23252	(label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
23253	(c_finish_goto_label): Check for jumping into scope of identifier
23254	with variably modified type.  Push label on stack for those jumped
23255	to from current context of identifiers with variably modified
23256	type.
23257	(struct c_switch): Add blocked_vm.
23258	(c_start_case): Initialize blocked_vm.
23259	(do_case): Check blocked_vm.
23260	(c_finish_case): Add comment.
23261	(c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
23262	variable label_context_stack.
23263
232642005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
23265
23266	* tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
23267	conditional_replacement, value_replacement, abs_replacement,
23268	minmax_replacement.
23269	(replace_phi_edge_with_variable): Remove argument BB.
23270	(conditional_replacement, value_replacement,
23271	minmax_replacement, abs_replacement): Remove argument PHI_BB.
23272	Update a call to replace_phi_edge_with_variable.
23273
23274	* tree-ssa-phiopt.c: Fix comments.
23275
232762005-04-20  Michael Matz  <matz@suse.de>
23277
23278	PR20973
23279	* reload.c (push_reload, find_dummy_reload): Check for uninitialized
23280	pseudos.
23281
232822005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
23283
23284	* tree-ssa-phiopt.c: Fix comment typos.
23285
23286	PR tree-optimization/21116
23287	* tree-ssa-phiopt.c: Fix a typo.
23288
232892005-04-19  Richard Henderson  <rth@redhat.com>
23290
23291	* builtins.c (expand_builtin_sync_operation): Revert last change.
23292	* optabs.c (expand_bool_compare_and_swap): Compare vs old value,
23293	not vs new value.
23294	(expand_compare_and_swap_loop): Likewise.
23295	(expand_sync_operation): Remove fallback from NAND to AND; invert
23296	memory operand when expanding from cmpxchg.
23297	(expand_sync_fetch_operation): Likewise.
23298	* doc/extend.texi (Atomic Builtins): Fix docs for nand and
23299	compare-and-swap.
23300
23301	* config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
23302	when implementing NAND.  Fix double-add for AFTER.
23303	* config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
23304	(sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
23305	(sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
23306	memory value.
23307	(sync_lock_test_and_set<I48MODE>): Remove extra label and last
23308	memory barrier.
23309
23310	* config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
23311	to return old memory value.
23312	(sync_compare_and_swap_cc<IMODE>): Likewise.
23313
23314	* config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
23315	return pre-reload.  Don't consider output or anti dependencies.
23316	* config/ia64/sync.md (IMODE): New.
23317	(modesuffix): Add QI and HI.
23318	(memory_barrier): Simplify expansion.
23319	(sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
23320	(cmpxchg_acq_<IMODE>): Likewise.
23321	(sync_lock_test_and_set<IMODE>): Likewise.
23322	(sync_lock_release<IMODE>): Likewise.
23323
233242005-04-19  James A. Morrison  <phython@gcc.gnu.org>
23325
23326	* fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
23327	~X or ~Y simplify.
23328
233292005-04-19  James A. Morrison  <phython@gcc.gnu.org>
23330
23331	* fold-const (fold_binary): Fold ~X ^ ~ Y to X ^ Y.
23332
233332005-04-20  Michael Pogue  <michael.pogue@sun.com>
23334	    Joseph S. Myers  <joseph@codesourcery.com>
23335
23336	* c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
23337	* c-typeck.c (build_c_cast): Check these options.
23338	* doc/invoke.texi: Document these options.
23339
233402005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
23341
23342	* tree-ssa-phiopt.c: Update a comment about the pass.
23343
233442005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
23345
23346	* tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
23347	config/mcore/mcore.c: Fix comment typos.
23348
233492005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
23350
23351	* Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
23352	* mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
23353
233542005-04-19  Paul Brook  <paul@codesourcery.com>
23355
23356	* config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
23357
233582005-04-19  Andrew Haley  <aph@redhat.com>
23359
23360	PR java/21022
23361	* dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
23362	looking at a field's bitpos.
23363
233642005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
23365
23366	* system.h (fopen, fdopen, freopen): Define these to the unlocked
23367	libiberty functions.
23368
233692005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
23370
23371	PR tree-optimization/21096
23372	* tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
23373
233742005-04-19  Alan Modra  <amodra@bigpond.net.au>
23375
23376	PR target/21098
23377	* config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
23378	* config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
23379
233802005-04-19  Alexandre Oliva  <aoliva@redhat.com>
23381
23382	* tree-cfg.c (dump_function_to_file): Use cfun info only if it
23383	refers to the function being dumped.
23384
233852005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
23386
23387	* varasm.c (assemble_start_function): Remove reset of in_section.
23388
233892005-04-18  James A. Morrison  <phython@gcc.gnu.org>
23390
23391	PR tree-optimization/21085
23392	* fold-const (fold_binary): Don't change X % -C to X % C if C has
23393	overflowed.
23394
233952005-04-19  Ben Elliston  <bje@au.ibm.com>
23396
23397	* doc/invoke.texi (Optimize Options): Refer to the correct
23398	optimisation flag -ftree-dominator-opts, not -ftree-dom.
23399
234002005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
23401
23402	* config/rs6000/rs6000.c (machopic_output_stub): Increase
23403	alloca argument to be big enough.
23404
234052005-04-18  Alexandre Oliva  <aoliva@redhat.com>
23406
23407	PR middle-end/21049
23408	* tree-cfg.c (dump_function_to_file): Do not crash if cfun or
23409	cfun->cfg are NULL.
23410
234112005-04-18  Tom Tromey  <tromey@redhat.com>
23412
23413	* cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
23414	typo.
23415
234162005-04-18  Richard Henderson  <rth@redhat.com>
23417
23418	* config/alpha/alpha.c (alpha_split_atomic_op): New.
23419	(alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
23420	(alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
23421	* config/alpha/alpha-protos.h: Update.
23422	* config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
23423	(UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
23424	(attr type): Add ld_l, st_c, mb.
23425	(andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
23426	iornotsi3, xorsi_internal, xornotsi3): New.
23427	* config/alpha/ev4.md (ev4_ld): Add ld_l.
23428	(ev4_ist_c, ev4_mb): New.
23429	* config/alpha/ev5.md (ev5_st): Add st_c, mb.
23430	(ev5_ld_l): New.
23431	* config/alpha/ev6.md (ev6_ild): Add ld_l.
23432	(ev6_ist): Add st_c.
23433	(ev6_mb): New.
23434	* config/alpha/sync.md: New file.
23435
234362005-04-18  Richard Henderson  <rth@redhat.com>
23437
23438	* builtins.c (expand_builtin_sync_operation): Fold nand to and
23439	for constants.
23440
23441	* optabs.c (expand_sync_operation): Fix typo expanding nand to and.
23442
234432005-04-18  Devang Patel  <dpatel@apple.com>
23444
23445	* config/rs6000/atlivec.md (mulv4si3): New pattern.
23446
234472005-04-18  James A. Morrison  <phython@gcc.gnu.org>
23448
23449	PR tree-optimization/20922
23450	* fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
23451	Fold X + c >= X and fold X - c <= X to true.
23452
234532005-04-18  James A. Morrison  <phython@gcc.gnu.org>
23454
23455	* config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
23456	unsigned int.
23457	(emergency_labeled_state_free): Likewise.
23458
234592005-04-18  Nick Clifton  <nickc@redhat.com>
23460
23461	* config/h8300/h8300.md (jump): Remove prescan parameter from
23462	calls to final_scan_insn.
23463
23464	* config/arc/arc.c (arc_output_function_epilogue): Remove prescan
23465	parameter from calls to final_scan_insn.
23466
23467	* config.gcc (m68hc12): Use the m68hc11.opt file for target
23468	specific options.
23469	(v850e, v850e1): Use the v850.opt file for target specific
23470	options.
23471
234722005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
23473
23474	PR tree-optimization/21001
23475	* tree-optimize.c (init_tree_optimization_passes): Move the
23476	first pass_forwprop immediately before pass_vrp.
23477
234782005-04-17  Ian Lance Taylor  <ian@airs.com>
23479
23480	* c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
23481	* c-common.c (c_sizeof_or_alignof_type): Change second parameter
23482	from enum tree_code op to bool is_sizeof.
23483	* c-common.h (c_sizeof_or_alignof_type): Update declaration.
23484	(c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
23485	* c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
23486	case.
23487	(pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
23488	cases.
23489	(pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
23490	ALIGNOF_EXPR cases.
23491
234922005-04-17  Ian Lance Taylor  <ian@airs.com>
23493
23494	* system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
23495
234962005-04-17  Richard Henderson  <rth@redhat.com>
23497
23498	* config/alpha/alpha.c (va_list_skip_additions): Only define if
23499	TARGET_ABI_OSF.
23500	(TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
23501	(alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
23502	of indirection through ssa names while looking for the gpr counter
23503	field.
23504	(alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
23505	saved va_list_gpr_size and va_list_fpr_size.
23506
235072005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
23508
23509	* tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
23510	both pointers or both integers.
23511
23512	* tree-vrp.c (maybe_add_assert_expr): Don't assert
23513	ASSERT_EXPRs for single-use variable.
23514
23515	* tree-into-ssa.c: Fix a comment typo.
23516
235172005-04-17  Richard Sandiford  <rsandifo@redhat.com>
23518
23519	* config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
23520	-mipsN before forcing a default of -mips2.
23521
235222005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
23523
23524	* predict.h (IS_TAKEN): Remove.
23525	* rtl.h (NOTE_PREDICTION): Likewise.
23526
23527	* modulo-sched.c (CFG_HOOKS): Remove.
23528
23529	* c-parser.c (N_C_TTYPES): Remove.
23530
23531	* tree-flow-inline.h (get_stmt_operands): Remove.
23532	* lambda-code.c, tree-ssa-loop-unswitch.c,
23533	tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
23534	tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
23535	tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
23536	calls to get_stmt_operands.
23537	* doc/tree-ssa.texi: Don't mention get_stmt_operands.
23538
235392005-04-17  Richard Henderson  <rth@redhat.com>
23540
23541	PR target/20375
23542	* config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
23543	of CUMULATIVE_ARGS past the last named argument.
23544	(alpha_va_start): Expect pretend_args_size only if strictly less than
23545	6 named arguments.
23546
235472005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
23548
23549	PR middle-end/21024
23550	* builtins.c (expand_builtin_strcat): Convert the result of
23551	strlen to the right type.
23552	* fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
23553	avoid creating type mismatches.
23554	<GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
23555	type mismatches.
23556
23557	* c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
23558
235592005-04-16  Richard Henderson  <rth@redhat.com>
23560
23561	PR target/21051
23562	* builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
23563	Use the mode of boolean_type_node when the user doesn't provide one.
23564	* config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
23565
235662005-04-16  Alexandre Oliva  <aoliva@redhat.com>
23567
23568	PR target/20126
23569	* loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
23570	(const)).
23571
23572	* tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
23573	comment.
23574
235752005-04-16  Roger Sayle  <roger@eyesopen.com>
23576	    Steven Bosscher  <stevenb@suse.de>
23577
23578	* fold-const.c (fold_binary_to_constant): Delete obsolete comment.
23579	(fold_unary_to_constant): Likewise.
23580
235812005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
23582
23583	* basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
23584	PROP_ASM_SCAN.
23585
235862005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
23587
23588	* doc/install.texi (Specific): Avoid using asterisks in @anchor
23589	names related to target triplets.
23590	Remove i?86-*-esix from platform directory.
23591	Remove powerpc-*-eabiaix from platform directory.
23592
235932005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
23594
23595	PR middle-end/20491
23596	* config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
23597	falling through from SUBREG case to REG.
23598
235992005-04-15  Roger Sayle  <roger@eyesopen.com>
23600
23601	* fold-const.c (fold_relational_hi_lo): Delete function and prototype.
23602	(fold_binary): Update comment mentioning fold_relational_hi_lo.
23603	(fold_binary_to_constant): Simplify using fold_binary.
23604	(fold_unary_to_constant): Likewise, simplify using fold_unary.
23605
236062005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
23607
23608	* gthr-posix.c (pthread_cancel): Define.
23609	(pthread_mutexattr_init): Likewise.
23610	(pthread_mutexattr_settype): Likewise.
23611	(pthread_mutexattr_destroy): Likewise.
23612
236132005-04-15  David S. Miller  <davem@davemloft.net>
23614
23615	PR target/20673
23616	* config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
23617
236182005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
23619
23620	PR tree-optimization/21031
23621	* tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
23622	(forward_propagate_into_cond_1): Call it.  Forward propagate
23623	integer-integer casts into COND_EXPRs.
23624
236252005-04-15  Dave Korn  <dave.korn@artimi.com>
23626
23627	* gcc.c (default_compilers): Clarify obscure error message when
23628	reading from standard input.
23629
236302005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
23631
23632	* basic-block.h (PROP_EQUAL_NOTES): Remove.
23633	* flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
23634
23635	* tree-ssa-alias.c (init_alias_info): Remove a call to
23636	get_stmt_operands.
23637
236382005-04-15  Andrew MacLeod  <amacleod@redhat.com>
23639
23640	* tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
23641	of non-virtual PHI nodes like we use to.
23642
236432005-05-15  Paolo Bonzini  <bonzini@gnu.org>
23644
23645	* genattrtab.c (ATTR_EQ_ATTR_P): Remove.
23646	(attr_copy_rtx): Do not use it.
23647
236482005-04-15  Andrew Macleod  <amacleod@redhat.com>
23649
23650	* doc/tree-ssa.texi: Grammer/abbreviation updates.
23651
236522005-04-15  Diego Novillo  <dnovillo@redhat.com>
23653
23654	* tree-vect-transform.c (vectorizable_store): Mark necessary
23655	objects in the vectorized store needing renaming.  Update the
23656	SSA graph for V_MAY_DEF operands in the original store.
23657
236582005-04-14  Daniel Berlin <dberlin@dberlin.org>
23659
23660	* tree-ssa-pre.c (compute_avail): It's okay to have
23661	TREE_INVARIANT's here, and value number the resulting expressions.
23662	(create_expression_by_pieces): Make sure operands that were
23663	min_invariant when we started, stay that way.
23664
236652005-04-15  David Edelsohn  <edelsohn@gnu.org>
23666
23667	* doc/install.texi (*-ibm-aix*): Add comment about system limits.
23668
236692005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
23670
23671	PR tree-optimization/20936.
23672	* tree-ssa-ccp.c (visit_assignment): Fix a typo.
23673
236742005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
23675
23676	* doc/invoke.texi: Fix typos.
23677	* doc/md.texi: Likewise.
23678	* doc/rtl.texi: Likewise.
23679	* doc/sourcebuild.texi: Likewise.
23680	* doc/tm.texi: Likewise.
23681
236822005-04-15  Uros Bizjak  <uros@kss-loka.si>
23683
23684	PR tree-optimization/21004
23685	* convert.c (convert_to_integer): Convert ceilf, ceill, floorf
23686	and floorl in c99 mode only.
23687	* builtins.c (expand_builtin_int_roundingfn): Assert that
23688	fallback_fndecl is not NULL_TREE.
23689
236902005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
23691
23692	* cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
23693	* basic-block.h: Update the prototype for
23694	purge_all_dead_edges.
23695	* cfgexpand.c (tree_expand_cfg): Update a call to
23696	purge_all_dead_edges.
23697	* combine.c (combine_instructions): Likewise.
23698	* passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
23699	rest_of_handle_cse2, rest_of_handle_gcse,
23700	rest_of_handle_postreload): likewise.
23701
237022005-04-15  Alexandre Oliva  <aoliva@redhat.com>
23703
23704	PR middle-end/20739
23705	* gimplify.c (gimplify_addr_expr): Compensate for removal of
23706	e.g. cv-qualification conversions.
23707
237082005-04-14  Mike Stump  <mrs@apple.com>
23709
23710	* config/darwin-c.c (framework_construct_pathname): We must
23711	find all headers of a framework in the first instance of it
23712	found in the seach path.
23713
237142005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
23715
23716	PR tree-optimization/21021
23717	* tree-vrp.c (compare_values): Work around a bug in the front
23718	end that produces a comparison of mismatched types.
23719
237202004-04-14  Richard Henderson  <rth@redhat.com>
23721
23722	* config/ia64/ia64.h (enum fetchop_code): Remove.
23723	(enum ia64_builtins): Move ...
23724	* config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
23725	members except BSP and FLUSHRS.
23726	(ia64_init_builtins): Remove __sync builtins.
23727	(ia64_expand_builtin): Likewise.
23728	(ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
23729	(ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
23730	(ia64_expand_lock_release): Remove.
23731	* config/ia64/ia64.md (mf): Move to sync.md.
23732	(mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
23733	cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
23734	* config/ia64/sync.md: New file.
23735	(memory_barrier): Rename from mf.
23736	(fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
23737	(cmpxchg_acq_<I48MODE>): Likewise.
23738	(sync_lock_test_and_set<I48MODE>): Likewise.
23739
23740	* config/ia64/ia64intrin.h: Define nothing for C; limit #defines
23741	to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
23742
237432004-04-14  Richard Henderson  <rth@redhat.com>
23744
23745	* config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
23746	(ix86_compare_emitted): New.
23747	(ix86_expand_compare): Use ix86_compare_emitted if set.
23748	(ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
23749	and ix86_compare_op0 are set.
23750	* config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
23751	(TARGET_CMPXCHG, TARGET_XADD): New.
23752	(ix86_compare_emitted): Declare.
23753	* config/i386/i386.md: Include sync.md
23754	(UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
23755	(UNSPECV_XCHG, UNSPECV_LOCK): New.
23756	* config/i386/sync.md: New file.
23757
237582004-04-14  Richard Henderson  <rth@redhat.com>
23759
23760	PR middle-end/14311
23761	* builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
23762	BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
23763	BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
23764	BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
23765	BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
23766	BT_FN_I8_VPTR_I8_I8): New.
23767	* builtins.def (DEF_SYNC_BUILTIN): New.
23768	(BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
23769	BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
23770	BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
23771	BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
23772	BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
23773	BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
23774	BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
23775	BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
23776	BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
23777	BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
23778	BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
23779	BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
23780	BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
23781	BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
23782	BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
23783	BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
23784	BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
23785	BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
23786	BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
23787	BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
23788	BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
23789	BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
23790	BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
23791	BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
23792	BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
23793	BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
23794	BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
23795	BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
23796	BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
23797	BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
23798	BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
23799	BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
23800	BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
23801	BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
23802	BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
23803	BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
23804	BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
23805	BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
23806	BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
23807	BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
23808	BUILT_IN_SYNCHRONIZE: New.
23809	* builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
23810	as a function.  Accept __sync_ as a prefix as well.
23811	(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23812	expand_builtin_lock_test_and_set, expand_builtin_synchronize,
23813	expand_builtin_lock_release): New.
23814	(expand_builtin): Call them.
23815	* c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
23816	neither BOTH_P nor FALLBACK_P are defined.
23817	(builtin_type_for_size): New.
23818	(sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
23819	(resolve_overloaded_builtin): New.
23820	* c-common.h (resolve_overloaded_builtin): Declare.
23821	(builtin_type_for_size): Declare.
23822	* c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
23823	* expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
23824	sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
23825	sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
23826	sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
23827	sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
23828	sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
23829	sync_compare_and_swap_cc, sync_lock_test_and_set,
23830	sync_lock_release): New.
23831	* optabs.h: Declare them.
23832	* expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
23833	expand_sync_operation, expand_sync_fetch_operation,
23834	expand_sync_lock_test_and_set): Declare.
23835	* genopinit.c (optabs): Add sync optabs.
23836	* optabs.c (init_optabs): Initialize sync optabs.
23837	(expand_val_compare_and_swap_1, expand_val_compare_and_swap,
23838	expand_bool_compare_and_swap, expand_compare_and_swap_loop,
23839	expand_sync_operation, expand_sync_fetch_operation,
23840	expand_sync_lock_test_and_set): New.
23841	* doc/extend.texi (Atomic Builtins): New section
23842	* doc/md.texi (Standard Names): Add sync patterns.
23843
238442005-04-14  Alexandre Oliva  <aoliva@redhat.com>
23845
23846	* tree-eh.c (lower_try_finally_copy): Generate new code in
23847	response to goto_queue entries as if the queue was sorted by
23848	index, not pointers.
23849	(lower_try_finally_switch): Likewise.
23850
238512005-04-14  Richard Henderson  <rth@redhat.com>
23852
23853	* config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
23854	(ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
23855	register.
23856	(ix86_expand_fp_movcc): Update to match.
23857	(ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
23858	* config/i386/i386-protos.h: Update.
23859	* config/i386/sse.md (vcondv4sf, vcondv2df): New.
23860	(vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
23861
238622005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
23863
23864	* doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
23865	refer to 4.0.
23866
238672005-04-14  Julian Brown  <julian@codesourcery.com>
23868
23869	* Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
23870	link failures on ppc64 Linux.
23871
238722005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
23873
23874	* config.gcc: Set cpu_type for s390.
23875
238762005-04-14  Daniel Berlin  <dberlin@dberlin.org>
23877
23878	Fix PR tree-optimization/20963
23879	* tree-ssa-pre.c (compute_avail): Remove special case for
23880	TREE_INVARIANT.
23881	(create_expression_by_pieces): Add value numbers for forced out
23882	statements.
23883
238842005-04-14  Hans-Peter Nilsson  <hp@axis.com>
23885
23886	* config/cris/cris.md: Replace references to (reg:SI 16) with
23887	(reg:SI CRIS_SRP_REGNUM).
23888
238892005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
23890
23891	PR tree-optimization/20657
23892	* tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
23893	create an appropriate range from it.
23894
238952005-04-14  Uros Bizjak  <uros@kss-loka.si>
23896
23897	* reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
23898	<UNSPEC_FIST_CEIL> case.
23899
23900	* config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
23901	(*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
23902	(fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
23903	to implement lfloor and llfloor built-ins as x87 intrinsic function.
23904	(fistdi2_floor, fist<mode>2_floor splitters): New splitters.
23905	(lfloor<mode>2): New expanders.
23906	(*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
23907	(fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
23908	to implement lceil and llceil built-ins as x87 intrinsic function.
23909	(fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
23910	(lceil<mode>2): New expanders.
23911
239122005-04-14  Uros Bizjak  <uros@kss-loka.si>
23913
23914	* convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
23915	and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
23916
239172005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
23918
23919	PR target/20927
23920	* config/s390/s390-modes.def: Define TFmode.
23921
239222005-04-13  Richard Sandiford  <rsandifo@redhat.com>
23923
23924	* config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
23925	(JUMP_TABLES_IN_TEXT_SECTION): Define.
23926	* config/mips/mips.c (mips16_insn_length): Remove reference to
23927	JUMP_TABLES_IN_TEXT_SECTION.
23928
239292005-04-13 Fariborz Jahanian <fjahanian@apple.com>
23930
23931	* simplify-rtx.c (simplify_binary_operation_1): Return
23932	scalar or vector of constant 0, depending on the xor's
23933	mode.
23934
239352005-04-13  Dale Johannesen  <dalej@apple.com>
23936
23937	* objc/Make-lang.in (objc-lang.o): Depend on tree-gimple.h.
23938	(objc-act.o): Ditto.
23939	* objc/objc-act.c (objc_gimplify_expr): New.
23940	(objc_get_callee_fndecl): New.
23941	* objc/objc-act.h: Include tree-gimple.h.  Declare new functions.
23942	* objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR): Define.
23943	(LANG_HOOKS_GET_CALLEE_FNDECL): Define.
23944
239452005-04-13  Devang Patel  <dpatel@apple.com>
23946
23947	* tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
23948	temp variables.
23949
239502005-04-13  Hans-Peter Nilsson  <hp@axis.com>
23951
23952	CRIS prologue as RTL.
23953	* config/cris/cris-protos.h (cris_emit_movem_store)
23954	(cris_expand_prologue): Prototype.
23955	* config/cris/cris.c (struct machine_function): New member
23956	stdarg_regs.
23957	(cfa_label_num, cris_target_asm_function_prologue): Remove.
23958	(TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
23959	(cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
23960	(cris_load_multiple_op, cris_return_address_on_stack)
23961	(cris_return_address_on_stack_for_return): ISO-Cify.
23962	(cris_store_multiple_op): New predicate function.
23963	(cris_expand_prologue, cris_emit_movem_store): New functions.
23964	(cris_print_operand) <case 'O'>: Handle modifications other than
23965	post-increment.
23966	(cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
23967	(cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
23968	(cris_gen_movem_load): Rearrange slightly to make local variable
23969	src a parameter, removing osrc.
23970	(cris_setup_incoming_varargs): Set machine_function member
23971	stdarg_regs to correspond to the number of registers that need to
23972	be saved.
23973	* config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
23974	CRIS_UNSPEC_GOT.
23975	(PREDICATE_CODES): Add cris_store_multiple_op.  Make
23976	cris_general_operand_or_gotless_symbol accept UNSPEC.
23977	* config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
23978	("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
23979	("*cris_store_multiple"): New pattern.  Tweak common comment above
23980	this and "*cris_load_multiple".
23981	("prologue"): New define_expand.
23982
23983	* config/cris/cris.md ("epilogue"): Conditionalize on
23984	TARGET_PROLOGUE_EPILOGUE.
23985
239862005-04-13  Steve Ellcey  <sje@cup.hp.com>
23987
23988	PR target/20924
23989	* config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
23990	fpsr 0 instead of fpsr 1.
23991	(divsf3_internal_thr): Ditto.
23992	(divdf3_internal_lat): Ditto.
23993	(divdf3_internal_thr): Ditto.
23994	(divxf3_internal_lat): Ditto.
23995	(divxf3_internal_thr): Ditto.
23996
239972005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
23998
23999	PR tree-optimization/20913
24000	* tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
24001
24002	PR tree-optimization/20702
24003	* tree-vrp.c (maybe_add_assert_expr): Recurse into
24004	dominator children that haven't been walked into.
24005
240062005-04-13  Julian Brown  <julian@codesourcery.com>
24007
24008	* config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
24009	being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
24010	is true.
24011
240122005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
24013
24014	* basic-block.h, tree-ssa-uncprop.c, varasm.c,
24015	config/i386/sse.md: Fix comment typos.
24016
24017	* genattrtab.c (NULL_ATTR): Remove.
24018	* ifcvt.c (NULL_EDGE): Likewise.
24019
24020	* rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
24021
24022	* rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
24023	NOTE_PREDICT): Remove.
24024
240252005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
24026
24027	* configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
24028	* configure: Regenerate.
24029	* config.in: Likewise.
24030	* system.h: Declare vsnprintf if not already declared.
24031
240322005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
24033
24034	* optc-gen.awk: Handle stand-alone Mask records.
24035	* opth-gen.awk: Likewise.
24036	* doc/options.texi (Option file format): Document them.
24037	* config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
24038	sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
24039	(sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
24040	* config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
24041	MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
24042	MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
24043	MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
24044	MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
24045	MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
24046	(TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
24047	TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
24048	TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
24049	TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
24050	TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
24051	TARGET_LONG_DOUBLE_128): Likewise.
24052	(TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
24053	(TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
24054	* config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
24055	* config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
24056	* config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
24057	* config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
24058	* config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
24059	* config/sparc/sparc.c (fpu_option_set): New global.
24060	(sparc_handle_option): New function.
24061	(sparc_override_options): Test fpu_option_set.
24062	(TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
24063	(TARGET_HANDLE_OPTION): Set to sparc_handle_option.
24064	* config/sparc/sparc.opt: New file.
24065	* config/sparc/little-endian.opt: Likewise.
24066	* config/sparc/long-double-switch.opt: Likewise.
24067
240682005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
24069
24070	* config/bfin/bfin.c (bfin_lib_id_given): New static variable.
24071	(bfin_handle_options): Set it if -mshared-library-id= is seen.
24072	* config/bfin/bfin.opt (mshared-library-id=): Lose
24073	Var(bfin_lib_id_given).
24074
240752005-04-13  Matt Thomas  <matt@3am-software.com>
24076
24077	* config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
24078	defining.
24079
240802005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
24081
24082	* rtl.h (CLEAR_RTX_FLAGS): Remove.
24083
24084	* cgraphunit.c (INSNS_PER_CALL): Remove.
24085
24086	* tree-ssa-forwprop.c (vars,
24087	record_single_argument_cond_exprs,
24088	substitute_single_use_vars): Remove.
24089	(forward_propagate_into_cond_1, forward_propagate_into_cond):
24090	New.
24091	(tree_ssa_forward_propagate_single_use_vars): Call
24092	forward_propagate_into_cond for each COND_EXPR.
24093
24094	* tree-inline.c (INSNS_PER_STMT): Remove.
24095
240962005-04-12  Richard Henderson  <rth@redhat.com>
24097
24098	* config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
24099	(ix86_expand_sse_fp_minmax): ... from ...
24100	(ix86_expand_fp_movcc): ... here.
24101	(ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
24102	* config/i386/i386-protos.h: Update.
24103	* config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
24104	(sse_setccsf, sse_setccdf): Allow before reload.
24105	(movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
24106	(movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
24107	(ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
24108	* config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
24109	(anddf3, nanddf3, iordf3, xordf3): New.
24110
241112005-04-12  Jeff Law  <law@redhat.com>
24112
24113	* Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
24114	(tree-ssa-uncprop.o): Add dependencies.
24115	* tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
24116	* tree-flow.h (remove_useless_stmts): Remove prototype.
24117	* tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
24118	remove_useless_stmts.
24119	* timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
24120	* tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
24121	* tree-pass.h (pass_uncprop): Declare.
24122	* tree-ssa-uncprop.c: New file.
24123
241242005-04-12  James E. Wilson  <wilson@specifixinc.com>
24125
24126	PR target/20670
24127	* unwind-ia64.c (uw_intall_context): Add missing load of r27.
24128
241292005-04-12  Caroline Tice  <ctice@apple.com>
24130
24131	Temporary fix for partitioning problems.
24132	* passes.c (rest_of_handle_final): Remove code that
24133	frees unlikely_text_section_name,
24134	* varasm.c (assemble_start_function): Test for partitioning
24135	flag before writing out section labels.
24136	(assemble_end_function): Test for partitioning flag before
24137	writing out section labels.
24138
241392005-04-12  Steven Bosscher  <stevenb@suse.de>
24140	    Stuart Hastings <stuart@apple.com>
24141	    Jan Hubicka  <jh@suse.cz>
24142
24143	* Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
24144	references to gt-tree-cfg.h.
24145	* basic-block.h (struct basic_block_def): Don't skip rbi
24146	for garbage collection.
24147	(struct reorder_block_def): Make GTY-able.
24148	(struct control_flow_graph): New structure.
24149	(n_edges, n_basic_blocks, last_basic_block, basic_block_info,
24150	BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
24151	but instead defines to the control_flow_graph for cfun.
24152	(label_to_block_map): New define, points to the label map of
24153	the control_flow_graph for cfun.
24154	(n_edges_for_function, n_basic_blocks_for_function,
24155	last_basic_block_for_function, basic_block_info_for_function,
24156	EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
24157	basic_block_info_for_function, label_to_block_map_for_function):
24158	Counterparts for the above, taking a struct function as an extra
24159	argument.
24160	(alloc_rbi_pool, free_rbi_pool): Remove prototypes.
24161	* cfg.c: (n_edges, n_basic_blocks, last_basic_block,
24162	basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
24163	(alloc_rbi_pool, free_rbi_pool): Remove.
24164	(initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
24165	* cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
24166	here...
24167	(cfg_layout_finalize) ... and don't free it here.
24168	* cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
24169	garbage collected.
24170	* flow.c (free_basic_block_vars): Set label_to_block_map and
24171	n_edges to zero too.
24172	* function.h (struct function): Add cfg field.
24173	* function.c (allocate_struct_function): Allocate the cfg.
24174	* tree-cfg.c (label_to_block_map): Remove.
24175	(build_tree_cfg): Don't allocate the rbi pool here...
24176	(delete_tree_cfg_annotations): ...and don't free it here.
24177	Also don't nullify label_to_block_map for cfun.
24178
241792005-04-12  Caroline Tice  <ctice@apple.com>
24180
24181	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
24182	Revert my patch from April 9.
24183	(fix_edges_for_rarely_executed_code): Revert my patch from April 9.
24184	(reorder_basic_blocks): Revert my patch from April 9.
24185	(insert_section_boundary_note): Revert my patch from April 9.
24186	* dbxout.c (dbxout_function_end): Revert my patch from April 9.
24187	* dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
24188	(COLD_END_LABEL): Revert my patch from April 9.
24189	(cold_text_section_label): Revert my patch from April 9.
24190	(cold_end_label): Revert my patch from April 9.
24191	(dwarf2out_switch_text_section): Revert my patch from April 9.
24192	(output_aranges): Revert my patch from April 9.
24193	(output_ranges): Revert my patch from April 9.
24194	(output_line_info): Revert my patch from April 9.
24195	(add_location_or_const_value_attribute): Revert my patch from April 9.
24196	(dwarf2out_var_location): Revert my patch from April 9.
24197	(dwarf2out_init): Revert my patch from April 9.
24198	(dwarf2out_finish): Revert my patch from April 9.
24199	* function.h (struct function): Revert my patch from April 9.
24200	* opts.c (decode_options): Revert my patch from April 9.
24201	* output.h (unlikely_section_label, hot_section_label,
24202	hot_section_end_label, cold_section_end_label,
24203	unlikely_text_section_name): Revert my patch from April 9.
24204	* passes.c (rest_of_handle_final): Revert my patch from April 9.
24205	* varasm.c (unlikely_section_label, hot_section_label,
24206	hot_section_end_label, cold_section_end_label,
24207	unlikely_text_section_name): Revert my patch from April 9.
24208	(initialize_cold_section_name): Revert my patch from April 9.
24209	(unlikely_text_section): Revert my patch from April 9.
24210	(in_unlikely_text_section): Revert my patch from April 9.
24211	(named_section): Revert my patch from April 9.
24212	(function_section): Revert my patch from April 9.
24213	(current_function_section): Revert my patch from April 9.
24214	(assemble_start_function): Revert my patch from April 9.
24215	(assemble_end_function): Revert my patch from April 9.
24216	(default_section_type_flags_1): Revert my patch from April 9.
24217
242182005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
24219
24220	* config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
24221	* config/sparc/sparc.md (untyped_call): Save the registers manually.
24222
24223	* config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
24224
242252005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
24226
24227	PR middle-end/20917
24228	* config/s390/s390.md ("*set_tp"): Use SET in pattern.
24229	("set_tp_64", "set_tp_31"): Adapt expanded pattern.
24230
242312004-04-12  Richard Henderson  <rth@redhat.com>
24232
24233	* config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
24234	UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
24235	UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
24236	(UNSPEC_*, UNSPECV_*): Renumber.
24237
242382005-04-12  Frank Ch. Eigler  <fche@redhat.com>
24239
24240	PR mudflap/19266
24241	From Richard Henderson <rth@redhat.com>:
24242	* tree-mudflap.c (mf_build_check_statement_for): Correct block
24243	splitting logic.
24244
242452005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
24246
24247	* tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
24248
242492005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
24250
24251	* config/bfin/bfin.c (bfin_library_id_string): Remove.
24252	(bfin_library_id): New variable.
24253	(bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
24254	instead of bfin_library_id_string.
24255	(bfin_handle_option): New function.
24256	(override_options): Remove most code to deal with shared library IDs,
24257	just check they aren't used without -mid-shared-library.
24258	(TARGET_HANDLE_OPTION): Define.
24259	* config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
24260	* config/bfin/bfin.opt (mshared-library-id=): New.
24261
242622005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
24263
24264	* tree-vect-transform.c: Fix comment typos.
24265
242662005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
24267
24268	* postreload-gcse.c (eliminate_partially_redundant_load): Don't
24269	split critical edges when not possible/profitable.
24270
242712005-04-12  Richard Sandiford  <rsandifo@redhat.com>
24272
24273	* config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
24274	(MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
24275	(MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
24276	(TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
24277	(TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
24278	(TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
24279	(OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
24280	* config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
24281	MASK_NO_BITFIELD.
24282	* config/ns32k/ns32k.c (ns32k_handle_option): New function.
24283	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
24284	* config/ns32k/ns32k.opt: New file.
24285
242862005-04-12  Richard Sandiford  <rsandifo@redhat.com>
24287
24288	* config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
24289	* config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
24290	(MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
24291	(TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
24292	(MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
24293	(TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
24294	(MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
24295	(MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
24296	(MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
24297	(TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
24298	(TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
24299	(TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
24300	(MASK_COLDFIRE): Formatting fixes.
24301	(TARGET_COLDFIRE): Turn into a boolean value for consistency.
24302	* config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
24303	* config/m68k/m68k.c (m68k_library_id_string): Initialize to
24304	"_current_shared_library_a5_offset_".
24305	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
24306	(MASK_ALL_CPU_BITS): New macro.
24307	(m68k_handle_option): New function.
24308	(override_options): Remove handling of m68k_library_id_string.
24309	* config/m68k/m68k.opt: New file.
24310	* config/m68k/ieee.opt: New file.
24311
243122005-04-11  Mark Mitchell  <mark@codesourcery.com>
24313
24314	* target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
24315	(TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
24316	(TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
24317	(TARGET_CXX): Adjust accordingly.
24318	* target.h (struct gcc_target): Remove epxort_class_data.  Add
24319	determine_class_data_visibility and class_data_always_comdat.
24320	* doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
24321	(TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
24322	(TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
24323	* config/arm/arm.c (arm_cxx_export_class_data): Remove.
24324	(arm_cxx_determine_class_data_visibility): New.
24325	(arm_cxx_class_data_always_comdat): Likewise.
24326	(TARGET_CXX_EXPORT_CLASS_DATA): Remove.
24327	(TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
24328	(TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
24329	* config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
24330	* config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
24331	Define.
24332
243332005-04-11  Devang Patel  <dpatel@apple.com>
24334
24335	* tree-data-ref.c (build_classic_dist_vector,
24336	compute_subscript_distance): Make externally visible.
24337	* tree-data-ref.h (build_classic_dist_vector,
24338	compute_subscript_distance): Same.
24339	* tree-vect-analyze.c (vect_analyze_data_ref_dependence):
24340	Check distance vector against vectorization factor.
24341	(vect_analyze_loop): Determine vectorizaion factor before
24342	analyzing data dependences.
24343	* tree-vectorizer.c (loops_num): Make it externally visible and
24344	rename ...
24345	* tree-vectorizer.c (vect_loops_num): ... new name.
24346	* tree-vectorizer.h  (vect_loops_num): New.
24347
243482005-04-11  Devang Patel  <dpatel@apple.com>
24349
24350	* tree-vect-analyze.c (vect_analyze_operations): Check
24351	vectorizable codition.
24352	* tree-vect-transform.c (vect_is_simple_cond): New function.
24353	(vectorizable_condition): New function.
24354	(vect_transform_stmt): Handle condition_vec_info_type.
24355	* tree-vectorizer.h (enum stmt_vec_info_type): Add
24356	condition_vec_info_type.
24357	(vectorizable_condition): New.
24358
243592005-04-11  Geoffrey Keating  <geoffk@apple.com>
24360
24361	* config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
24362	* config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
24363	* config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
24364
24365	* config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
24366	(SUBTARGET_EXTRA_SPECS): Always 'i386'.
24367
24368	* dwarf2out.c (output_line_info): Don't try to dereference
24369	a NULL current_function_decl.
24370
24371	* config/t-slibgcc-darwin: Don't put shared libraries in
24372	directories other than $(slibdir).
24373	* config/rs6000/darwin.h: Find -m64 libgcc under the name the
24374	OS uses for it.
24375
243762005-04-11  Diego Novillo  <dnovillo@redhat.com>
24377
24378	PR tree-optimization/20933
24379	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
24380	logic to reject aliases between read-only and writable
24381	variables ...
24382	(may_alias_p): ... here.
24383	(get_tmt_for): Do not associate read-only tags to pointers
24384	whose pointed-to type is not read-only.
24385	* tree-ssa.c (verify_ssa): Check that memory stores have at
24386	least one V_MAY_DEF or V_MUST_DEF.
24387
243882005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24389
24390	PR/17092
24391	* configure.ac (gcc_UNLOCKED_FUNCS): New.
24392	(AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
24393	* system.h (putchar, getc, getchar, clearerr, feof, fileno,
24394	fflush, fgetc, fgets, ferror, fread): Redefine to the associated
24395	_unlocked function.
24396	(fwrite_unlocked): Fix prototype.
24397
24398	* configure, config.in: Regenerate.
24399
244002005-04-11  David Edelsohn  <edelsohn@gnu.org>
24401
24402	* tree-ssa-loop-im.c: Include real.h.
24403	(determine_invariantness_stmt): If real division divisor is
24404	invariant and flag_unsafe_math_optimizations enabled, generate
24405	invariant reciprocal for hoisting.
24406	* Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
24407
244082005-04-11  Daniel Berlin  <dberlin@dberlin.org>
24409
24410	Fix PR tree-optimization/20926
24411
24412	* tree-ssa-alias.c (add_type_alias): Handle subvars.
24413
244142005-04-11  Devang Patel  <dpatel@apple.com>
24415
24416	* config/rs6000.c (rs6000_emit_vector_select): Fix vector select
24417	operand ordering.
24418
244192005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
24420
24421	* fold-const.c (fold_binary_op_with_conditional_arg):
24422	use fold_buildN instead of "fold (buildN" in some
24423	non obvious places.
24424	(fold_unary): Likewise.
24425	(fold_binary): Likewise.
24426
244272005-04-11  Daniel Berlin  <dberlin@dberlin.org>
24428
24429	Fix PR tree-optimization/20612
24430	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
24431	handling
24432	(perfect_nestify): preheaderbb is *not* part of loop of the
24433	old destination.
24434
244352005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
24436
24437	* tree-ssa-alias.c (may_alias_p): If the variable
24438	is a global variable and the pointer is parameter
24439	and -fargument-noalias-global is used, then
24440	the pointer cannot alias the variable.
24441
244422005-04-11  James A. Morrison  <phython@gcc.gnu.org>
24443
24444	* config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
24445	* config/sparc/sparc.h: Likewise.
24446	* config/sparc/sparc.md: Likewise.
24447
244482005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
24449
24450	* tree-vrp.c (maybe_add_assert_expr): Move a comment.
24451
24452	* tree-vrp.c: Fix a comment typo.
24453
244542005-04-11  Diego Novillo  <dnovillo@redhat.com>
24455
24456	PR tree-optimization/20920
24457	* tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
24458	SSA_NAME flows through an abnormal edge.
24459	* tree-vrp.c (infer_value_range): Ignore SSA names that flow
24460	through abnormal edges.
24461	(maybe_add_assert_expr): Likewise.
24462
244632005-04-11  Richard Sandiford  <rsandifo@redhat.com>
24464
24465	* config/s390/s390.h (s390_tune_string, s390_arch_string)
24466	(s390_warn_framesize_string, s390_warn_dynamicstack_string)
24467	(s390_stack_size_string, s390_stack_guard_string, target_flags)
24468	(MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
24469	(MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
24470	(MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
24471	(TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
24472	(TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
24473	(TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
24474	(TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
24475	* config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
24476	(TARGET_HANDLE_OPTION): Likewise.
24477	(s390_tune): Initialize to PROCESSOR_max.
24478	(s390_arch_string): Make static.
24479	(s390_tune_string, s390_warn_framesize_string): Delete.
24480	(s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
24481	(s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
24482	(s390_handle_arch_option, s390_handle_option): New functions.
24483	(override_options): Remove parsing of option strings.
24484	* config/s390/s390.opt: New file.
24485
244862005-04-11  Paolo Bonzini  <bonzini@gnu.org>
24487
24488	* tree-complex.c (expand_vector_operations): Call
24489	update_stmt_if_modified.
24490
244912005-04-11  Paolo Bonzini  <bonzini@gnu.org>
24492
24493	* tree-vect-analyze (vect_determine_vectorization_factor):
24494	Do not use GET_MODE_NUNITS.
24495	* tree-vect-transform.c (vect_get_vec_def_for_operand,
24496	(vectorizable_load, vect_transform_loop): Likewise.
24497
244982005-04-11  Uros Bizjak  <uros@kss-loka.si>
24499
24500	* builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
24501	(BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
24502	* optabs.h (enum optab_index): Add new OTI_lceil.
24503	(lceil_optab): Define corresponding macro.
24504	* optabs.c (init_optabs): Initialize lceil_optab.
24505	* genopinit.c (optabs): Implement lceil_optab using lceilsi2
24506	and lceildi2 patterns.
24507	* builtins.c (expand_builtin_int_roundingfn): Handle
24508	BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
24509	(fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
24510	BUILT_IN_LLCEIL{,F,L}.
24511	(fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
24512	BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
24513	(mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
24514	(expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
24515	BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
24516	* convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
24517	into lceil built-in function and (long long int)ceil{,f,l} into
24518	llceil built-in function.
24519	* fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
24520	BUILT_IN_LLCEIL.
24521
245222005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24523
24524	* pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
24525	zero.
24526
245272005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
24528
24529	* config/arm/arm.c: Fix a comment typo.
24530	* doc/tree-ssa.texi: Fix a typo.
24531
245322005-04-10  Steven Bosscher  <stevenb@suse.de>
24533
24534	* cselib.c (clear_table): Rename to cselib_clear_table.
24535	* cselib.h (cselib_clear_table): Add prototype.
24536	* gcse.c (gcse_main): Make 'f' argument unused.
24537	(alloc_gcse_mem): Do not walk the insn chain, walk the contents
24538	of each basic block instead.
24539	(compute_sets, compute_hash_table_work): Likewise.
24540	(constprop_register): Change int 'alter_jumps' argument to bool.
24541	(do_local_cprop): Likewise.
24542	(local_cprop_pass): Likewise.  Also walk basic blocks instead of
24543	the insn chain.  Explicitly clear the cselib tables after finishing
24544	one basic block.  Make sure there are no unterminated libcall blocks.
24545	Update compute_sets call.
24546	(cprop): Walk basic blocks instead of the insn chain.
24547	(one_cprop_pass, compute_ld_motion_mems, compute_store_table):
24548	Likewise.
24549	(bypass_jumps): Update alloc_gcse_mem, compute_sets, and
24550	one_cprop_pass calls.
24551
245522005-04-10  Richard Sandiford  <rsandifo@redhat.com>
24553
24554	* combine.c (combine_simplify_rtx): Remove a transformation that
24555	relies on an invalid assumption about rtl sign-extension semantics.
24556
245572005-04-10  Richard Sandiford  <rsandifo@redhat.com>
24558
24559	* value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
24560	to build_int_cst_wide.
24561
245622005-04-09  Alexandre Oliva  <aoliva@redhat.com>
24563
24564	PR target/20126
24565	* loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
24566	set the original address pseudo to the correct value before the
24567	original insn, if possible, and leave the insn alone, otherwise
24568	create a new pseudo, set it and replace it in the insn.
24569	* recog.c (validate_change_maybe_volatile): New.
24570	* recog.h (validate_change_maybe_volatile): Declare.
24571
245722005-04-09  Caroline Tice  <ctice@apple.com>
24573
24574	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
24575	Remove targetm.have_named_sections test.
24576	(fix_edges_for_rarely_executed_code): Likewise.
24577	(insert_section_boundary_note): Likewise.
24578	(reorder_basic_blocks): Check partitioning flag before calling
24579	verify_hot_cold_block_grouping.
24580	* dbxout.c (dbxout_function_end): Get hot/cold section labels from
24581	the function struct rather than global variables.
24582	* dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
24583	(COLD_END_LABEL): Likewise
24584	(cold_text_section_label): New static global variable.
24585	(cold_end_label): Likewise.
24586	(dwarf2out_switch_text_section): Get hot/cold section labels from
24587	the function struct rather than global variables.
24588	(output_aranges): Use cold_text_section_label and cold_end_label;
24589	check partitioning flag before putting out delta.
24590	(output_ranges): Remove incorrect code attempting to use
24591	hot/cold labels.
24592	(output_line_info): Get cold section label from function struct.
24593	(add_location_or_const_value_attribute): Likewise.
24594	(get_subprogram_die): Get hot/cold section labels from function struct.
24595	(dwarf2out_var_location): Likewise.
24596	(dwarf2out_init): Generate cold_text_section_label and cold_end_label;
24597	write out cold_text_section_label if partition flag is set.
24598	(dwarf2out_finish): Write out cold_end_label if partition flag is set;
24599	* function.h (struct function): Add new fields to point to hot/cold
24600	section labels: hot_section_label, cold_section_label,
24601	hot_section_end_label and cold_section_end_label; also add new field
24602	for cold text section name, unlikely_text_section_name.
24603	* opts.c (decode_options): Turn off partitioning flag if
24604	!targetm.have_named_sections.
24605	* output.h (hot_section_label): Remove.
24606	(hot_section_end_label): Remove.
24607	(cold_section_end_label): Remove.
24608	(unlikely_section_label): Remove.
24609	(unlikely_text_section_name): Remove.
24610	* passes.c (rest_of_handle_final): Remove code that frees
24611	unlikely_text_section_name.
24612	* varasm.c (unlikely_section_label): Remove.
24613	(hot_section_label): Remove.
24614	(hot_section_end_label): Remove.
24615	(cold_section_end_label): Remove.
24616	(unlikely_text_section_name): Remove.
24617	(initialize_cold_section_name): Modify to call
24618	targetm.strip_name_encoding; to store cold section name in current
24619	function struct, if it exists; and to only use the decl_section_name
24620	if flag_named_sections is true.
24621	(unlikely_text_section): Modify to get section name out of current
24622	function struct, if there is one; otherwise build it from
24623	UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
24624	(in_unlikely_text_section): Likewise.
24625	(named_section): Modify to get/put cold section name in current function
24626	struct, if there is one.
24627	(function_section): Change 'bool unlikely' to 'int reloc'; check
24628	targetm.have_named_sections before calling named_section.
24629	(current_function_section): Likewise.
24630	(assemble_start_function): Modify to get/put unlikely_text_section_name
24631	in current function struct; modify to get hot/cold section labels
24632	from function struct; initialize labels using
24633	ASM_GENERATE_INTERNAL_LABEL;
24634	test partitioning flag before writing out hot section label.
24635	(assemble_end_function): Test partitioning flag before writing out
24636	hot/cold section labels.
24637	(default_section_type_flags_1): Modify to use array instead of
24638	 char* for unlikely_text_section_name; set flags correctly for
24639	 cold text section if there is not a current function decl.
24640
246412005-04-09  Jakub Jelinek  <jakub@redhat.com>
24642
24643	* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
24644	and TI_VA_LIST_FPR_COUNTER_FIELD.
24645	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
24646	* tree-pass.h (pass_stdarg): Add.
24647	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
24648	* tree-stdarg.c: New file.
24649	* tree-stdarg.h: New file.
24650	* Makefile.in (OBJS-common): Add tree-stdarg.o.
24651	(tree-stdarg.o): Add dependencies.
24652	* function.h (struct function): Add va_list_gpr_size and
24653	va_list_fpr_size fields.
24654	* function.c (allocate_struct_function): Initialize them.
24655	* target.h (struct gcc_target): Add stdarg_optimize_hook.
24656	* target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
24657	(TARGET_INITIALIZER): Add it.
24658
24659	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
24660	va_list_{g,f}pr_counter_field.
24661	(ix86_setup_incoming_varargs): Don't do anything if reg_save
24662	area will not be used.  Only save registers that tree-stdarg.c
24663	detected they need saving.
24664	(ix86_va_start): Don't set up fields that won't be used.
24665
24666	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
24667	va_list_{g,f}pr_counter_field.
24668	(setup_incoming_varargs): Don't do anything if reg_save
24669	area will not be used.  Only save registers that tree-stdarg.c
24670	detected they need saving.
24671	(rs6000_va_start): Don't set up fields that won't be used.
24672
24673	* config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
24674	(alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
24675	(va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
24676	(TARGET_STDARG_OPTIMIZE_HOOK): Define.
24677
246782005-04-09  Jakub Jelinek  <jakub@redhat.com>
24679
24680	PR target/20795
24681	* config/i386/i386.c (construct_container): Pass empty aligned
24682	struct, union or class in memory.
24683
246842005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
24685
24686	* dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
24687	tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
24688	config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
24689	config/rs6000/predicates.md: Fix comment typos.
24690
24691	* sched-int.h (haifa_insn_data): Remove blockage and units.
24692	(INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
24693	ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
24694	MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
24695
246962005-04-09  Jan Hubicka  <jh@suse.cz>
24697	    Steven Bosscher  <stevenb@suse.de>
24698
24699	* cfglayout.c (copy_bbs): Rename n_edges to num_edges.
24700	* cfgloop.c (get_loop_exit_edges): Likewise.
24701	* cfgloopmanip.c (fix_irreducible_loops): Likewise.
24702	(unloop): Likewise.
24703	* loop-unroll.c (analyze_insns_in_loop): Likewise.
24704	* tree-cfg.c (dump_cfg_status): Likewise.
24705
247062005-04-09  David Edelsohn  <edelsohn@gnu.org>
24707
24708	* config/rs6000/predicates.md (altivec_register_operand): Remove
24709	redundant match_code test.
24710	(gpc_reg_operand): Same.
24711	(cc_reg_operand): Same.
24712	(cc_reg_not_cr0_operand): Same.
24713
247142005-04-09  Jan Hubicka  <jh@suse.cz>
24715
24716	Forgotten hunk from my last merge patch:
24717	* final.c (output_addr_const): Do not call mark_referenced.
24718
247192005-04-09  Andrew MacLeod  <amacleod@redhat.com>
24720
24721	* doc/tree-ssa.texi: Add immediate use documentation.
24722
247232005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
24724
24725	* arm.c (FL_WBUF): Define.
24726	(arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
24727	(arm_is_6_or_7): Delete.
24728	(arm_tune_wbuf): New.
24729	(arm_override_options): Set arm_tune_wbuf.
24730	* arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
24731	(arm_is_6_or_7): Delete declaration.
24732	(arm_tune_wbuf): New declartion.
24733	* arm.md (is_strongarm): Derive from arm_tune_strongarm.
24734	(model_wbuf): Derive from arm_tune_wbuf.
24735	* arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
24736	(arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
24737	(arm740t): Mark CPUs as having a write buffer.
24738
247392005-04-09  Uros Bizjak  <uros@kss-loka.si>
24740
24741	* config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
24742	of 'const_double_operand' in operand 2 constraints.  Update enable
24743	condition.
24744
247452005-04-09  Uros Bizjak  <uros@kss-loka.si>
24746
24747	* builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
24748	(BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
24749	* optabs.h (enum optab_index): Add new OTI_lfloor.
24750	(lfloor_optab): Define corresponding macro.
24751	* optabs.c (init_optabs): Initialize lfloor_optab.
24752	* genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
24753	and lfloordi2 patterns.
24754	* builtins.c (expand_builtin_int_roundingfn): New prototype.
24755	(expand_builtin_int_roundingfn): New function.
24756	(fold_builtin_int_roundingfn): New prototype.
24757	(fold_builtin_int_roundingfn): New function, renamed from
24758	fold_builtin_lround.
24759	Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
24760	BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
24761	(fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
24762	BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
24763	(mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
24764	(expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
24765	BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
24766	* convert.c (convert_to_integer): Convert (long int)floor{,f,l},
24767	into lfloor built-in function and (long long int)floor{,f,l} into
24768	llfloor built-in function.
24769	* fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
24770	BUILT_IN_LLFLOOR.
24771
247722005-04-08  Ian Lance Taylor  <ian@airs.com>
24773
24774	* c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
24775	CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
24776	* c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
24777	(DO_COND, DO_BODY): Likewise.
24778	(FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
24779	(SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
24780	(c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
24781	BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
24782	(build_continue_stmt, build_break_stmt): Don't declare.
24783	(c_do_switch_warnings): Update declaration.
24784	* c-gimplify.c (enum bc_t): Remove.
24785	(struct c_gimplify_ctx, ctxp): Remove.
24786	(push_context, pop_context): Remove static functions.
24787	(c_genericize): Don't call push_context or pop_context.
24788	(begin_bc_block, finish_bc_block): Remove static functions.
24789	(build_bc_goto): Likewise.
24790	(gimplify_c_loop): Likewise.
24791	(gimplify_for_stmt, gimplify_while_stmt): Likewise.
24792	(gimplify_do_stmt, gimplify_switch_stmt): Likewise.
24793	(c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
24794	DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
24795	* c-common.c (c_do_switch_warnings): Rename from
24796	c_do_switch_warnings_1.
24797	(c_do_switch_warnings) [old version]: Remove.
24798	(c_do_switch_expr_warnings): Remove.
24799	* c-typeck.c (c_finish_case): Call new c_do_switch_warnings
24800	function instead of c_do_switch_expr_warnings.
24801	* c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
24802	CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
24803	* c-pretty-print.c (pp_c_statement): Likewise.
24804	* c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
24805
248062005-04-08  Devang Patel  <dpatel@apple.com>
24807
24808	* tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
24809	While selecting replacement condition pay attention to loop header.
24810
248112005-04-08  Diego Novillo  <dnovillo@redhat.com>
24812
24813	Merge from tree-cleanup-branch: VRP, store CCP, store
24814	    copy-prop, incremental SSA updating of FUD chains and
24815	    newly exposed symbols.
24816
24817	* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
24818	(OBJS-common): Add tree-vrp.o.
24819	(tree-vrp.o): New rule.
24820	* basic-block.h (nearest_common_dominator_for_set): Declare.
24821	* common.opt (ftree-store-ccp): New flag.
24822	(ftree-copy-prop): New flag.
24823	(ftree-vrp): New flag.
24824	(ftree-store-copy-prop): New flag.
24825	* dominance.c (nearest_common_dominator_for_set): New.
24826	* domwalk.c (walk_dominator_tree): Only traverse
24827	statements in blocks marked in walk_data->interesting_blocks.
24828	* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
24829	* fold-const.c (fold): Handle ASSERT_EXPR.
24830	* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
24831	Set flag_tree_store_ccp, flag_tree_store_copy_prop and
24832	flag_tree_vrp at -O2.
24833	* timevar.def (TV_TREE_VRP): Define.
24834	(TV_TREE_COPY_PROP): Define.
24835	(TV_TREE_STORE_COPY_PROP): Define.
24836	(TV_TREE_SSA_INCREMENTAL): Define.
24837	(TV_TREE_STORE_CCP): Define.
24838	* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
24839	to kill_redundant_phi_nodes from comment.
24840	(verify_expr): Handle ASSERT_EXPR.
24841	* tree-dfa.c (mark_new_vars_to_rename): Remove second
24842	argument.  Update all users.
24843	(mark_call_clobbered_vars_to_rename): Remove.  Update all
24844	users.
24845	* tree-flow-inline.h (unmodifiable_var_p): New.
24846	* tree-flow.h (enum value_range_type): Declare.
24847	(struct value_range_def): Declare.
24848	(value_range): Declare.
24849	(remove_all_phi_nodes_for): Remove.  Update all users.
24850	(find_phi_node_for): Declare.
24851	(add_type_alias): Declare.
24852	(count_uses_and_derefs): Declare.
24853	(kill_redundant_phi_nodes): Remove.
24854	(rewrite_into_ssa): Remove.
24855	(rewrite_def_def_chains): Remove.
24856	(update_ssa, register_new_name_mapping, create_new_def_for,
24857	need_ssa_update_p, name_registered_for_update_p,
24858	release_ssa_name_after_update_ssa, dump_repl_tbl,
24859	debug_repl_tbl, dump_names_replaced_by,
24860	debug_names_replaced_by, mark_sym_for_renaming,
24861	mark_set_for_renaming, get_current_def, set_current_def,
24862	get_value_range, dump_value_range, debug_value_range,
24863	dump_all_value_ranges, debug_all_value_ranges,
24864	expr_computes_nonzero, loop_depth_of_name,
24865	unmodifiable_var_p): Declare.
24866	* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
24867	ASSERT_EXPR.
24868	* tree-into-ssa.c (block_defs_stack): Update comment.
24869	(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
24870	syms_to_rename, names_to_release, repl_tbl,
24871	need_to_initialize_update_ssa_p, need_to_update_vops_p,
24872	need_to_replace_names_p): New locals.
24873	(NAME_SETS_GROWTH_FACTOR): Define.
24874	(struct repl_map_d): Declare.
24875	(struct mark_def_sites_global_data): Add field
24876	interesting_blocks.
24877	(enum rewrite_mode): Declare.
24878	(REGISTER_DEFS_IN_THIS_STMT): Define.
24879	(compute_global_livein): Use last_basic_block instead of
24880	n_basic_blocks.
24881	(set_def_block): Remove last argument.  Update all callers.
24882	(prepare_use_operand_for_rename): Remove.  Update all callers.
24883	(prepare_def_operand_for_rename): Remove.  Update all callers.
24884	(symbol_marked_for_renaming): New.
24885	(is_old_name): New.
24886	(is_new_name): New.
24887	(repl_map_hash): New.
24888	(repl_map_eq): New.
24889	(repl_map_free): New.
24890	(names_replaced_by): New.
24891	(add_to_repl_tbl): New.
24892	(add_new_name_mapping): New.
24893	(mark_def_sites): Assume that all the operands in the
24894	statement are in normal form.
24895	(find_idf): Assert that the block in the stack is valid.
24896	(get_default_def_for): New.
24897	(insert_phi_nodes_for): Add new argument 'update_p'.
24898	Add documentation.
24899	If update_p is true, add a new mapping between the LHS of
24900	each new PHI and the name that it replaces.
24901	(insert_phi_nodes_1): Only call find_idf if needed.
24902	(get_reaching_def): Call get_default_def_for.
24903	(rewrite_operand): Remove.
24904	(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
24905	and REWRITE_THIS_STMT are false.
24906	Assume that all the operands in the statement are in
24907	normal form.
24908	(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
24909	(rewrite_virtual_phi_arguments): Remove.
24910	(invalidate_name_tags): Remove.
24911	(register_new_update_single, register_new_update_set,
24912	rewrite_update_init_block, replace_use,
24913	rewrite_update_fini_block, rewrite_update_stmt,
24914	rewrite_update_phi_arguments): New.
24915	rewrite_blocks): Remove argument 'fix_virtual_phis'.
24916	Add arguments 'entry', 'what' and 'blocks'.
24917	Initialize the dominator walker according to 'what' and
24918	'blocks'.
24919	Start the dominator walk at 'entry'.
24920	(mark_def_site_blocks): Add argument 'interesting_blocks'.
24921	Use it to configure the dominator walker.
24922	(rewrite_into_ssa): Remove argument 'all'.
24923	Make internal.
24924	(rewrite_all_into_ssa): Remove.
24925	(rewrite_def_def_chains): Remove.
24926	(mark_def_interesting, mark_use_interesting,
24927	prepare_phi_args_for_update, prepare_block_for_update,
24928	prepare_def_site_for, prepare_def_sites,
24929	dump_names_replaced_by, debug_names_replaced_by,
24930	dump_repl_tbl, debug_repl_tbl, init_update_ssa,
24931	delete_update_ssa, create_new_def_for,
24932	register_new_name_mapping, mark_sym_for_renaming,
24933	mark_set_for_renaming, need_ssa_update_p,
24934	name_registered_for_update_p, ssa_names_to_replace,
24935	release_ssa_name_after_update_ssa,
24936	insert_updated_phi_nodes_for, update_ssa): New.
24937	* tree-loop-linear.c (linear_transform_loops): Call
24938	update_ssa instead of rewrite_into_ssa.
24939	* tree-optimize.c (vars_to_rename): Remove.
24940	Update all users.
24941	(init_tree_optimization_passes): Replace
24942	pass_redundant_phi with pass_copy_prop.
24943	Add pass_vrp.
24944	Replace pass_ccp with pass_store_ccp.
24945	Add pass_store_copy_prop after pass_store_ccp.
24946	(execute_todo): If the TODO_ flags don't include updating
24947	the SSA form, assert that it does not need to be updated.
24948	Call update_ssa instead of rewrite_into_ssa and
24949	rewrite_def_def_chains.
24950	If TODO_verify_loops is set, call verify_loop_closed_ssa.
24951	(tree_rest_of_compilation):
24952	* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
24953	TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
24954	TODO_cleanup_cfg): Renumber.
24955	(TODO_verify_loops, TODO_update_ssa,
24956	TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
24957	TODO_update_ssa_only_virtuals): Define.
24958	(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
24959	Declare.
24960	* tree-phinodes.c (make_phi_node): Update documentation.
24961	(remove_all_phi_nodes_for): Remove.
24962	(find_phi_node_for): New.
24963	* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
24964	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
24965	(interpret_rhs_modify_expr): Likewise.
24966	* tree-sra.c (decide_instantiations): Mark all symbols in
24967	SRA_CANDIDATES for renaming.
24968	(mark_all_v_defs_1): Rename from mark_all_v_defs.
24969	(mark_all_v_defs): New function.  Update all users to call it
24970	with the whole list of scalarized statements, not just the
24971	first one.
24972	* tree-ssa-alias.c (count_ptr_derefs): Make extern.
24973	(compute_flow_insensitive_aliasing): If the tag is
24974	unmodifiable and the variable isn't or vice-versa, don't
24975	make them alias of each other.
24976	(setup_pointers_and_addressables): If the type tag for
24977	VAR is about to change, mark the old one for renaming.
24978	(add_type_alias): New.
24979	* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
24980	(ccp_lattice_t): Rename from latticevalue.
24981	(value): Remove.  Update all users.
24982	(const_val): New local variable.
24983	(do_store_ccp): New local variable.
24984	(dump_lattice_value): Handle UNINITIALIZED.
24985	(debug_lattice_value): New.
24986	(get_default_value): Re-write.
24987	(set_lattice_value): Re-write.
24988	(def_to_varying): Remove.  Update all users.
24989	(likely_value): Return VARYING for statements that make
24990	stores when STORE_CCP is false.
24991	Return VARYING for any statement other than MODIFY_EXPR,
24992	COND_EXPR and SWITCH_EXPR.
24993	(ccp_initialize): Re-write.
24994	(replace_uses_in, replace_vuse_in, substitute_and_fold):
24995	Move to tree-ssa-propagate.c.
24996	(ccp_lattice_meet): Handle memory stores when
24997	DO_STORE_CCP is true.
24998	(ccp_visit_phi_node): Likewise.
24999	(ccp_fold): Likewise.
25000	(evaluate_stmt): Likewise.
25001	(visit_assignment): Likewise.
25002	(ccp_visit_stmt): Likewise.
25003	(execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
25004	into DO_STORE_CCP.
25005	(do_ssa_ccp): New.
25006	(pass_ccp): Use it.
25007	(do_ssa_store_ccp): New.
25008	(gate_store_ccp): New.
25009	(pass_store_ccp): Declare.
25010	* tree-ssa-copy.c: Include tree-ssa-propagate.h.
25011	(may_propagate_copy): Reformat.
25012	Don't abort if ORIG is a virtual and DEST isn't.
25013	If NEW does not have alias information but DEST does,
25014	copy it.
25015	(copy_of, cached_last_copy_of, do_store_copy_prop, enum
25016	copy_prop_kind, which_copy_prop): Declare.
25017	(stmt_may_generate_copy, get_copy_of_val,
25018	get_last_copy_of, set_copy_of_val, dump_copy_of,
25019	copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
25020	copy_prop_visit_stmt, copy_prop_visit_phi_node,
25021	init_copy_prop, fini_copy_prop, execute_copy_prop,
25022	gate_copy_prop, do_copy_prop, gate_store_copy_prop,
25023	store_copy_prop): New.
25024	(pass_copy_prop, pass_store_copy_prop): Declare.
25025	* tree-ssa-dom.c (struct opt_stats_d): Add fields
25026	'num_const_prop' and 'num_copy_prop'.
25027	(cprop_operand): Update them.
25028	(dump_dominator_optimization_stats): Dump them.
25029	(tree_ssa_dominator_optimize): Call update_ssa instead of
25030	rewrite_into_ssa.
25031	(loop_depth_of_name): Declare extern.
25032	(simplify_cond_and_lookup_avail_expr): Guard against NULL
25033	values for LOW or HIGH.
25034	(cprop_into_successor_phis): Only propagate if NEW != ORIG.
25035	(record_equivalences_from_stmt): Call expr_computes_nonzero.
25036	(cprop_operand): Only propagate if VAL != OP.
25037	* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
25038	statement for renaming.
25039	* tree-ssa-loop-im.c (move_computations): Call update_ssa.
25040	* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
25041	add_type_alias if necessary.
25042	Call mark_new_vars_to_rename.
25043	(tree_ssa_iv_optimize): If new symbols need to be renamed,
25044	mark every statement updated, call update_ssa and
25045	rewrite_into_loop_closed_ssa.
25046	* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
25047	from LIVEIN if VAR is a virtual.
25048	* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
25049	* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
25050	(get_call_expr_operands): Reformat statement.
25051	(add_stmt_operand): Don't create V_MAY_DEFs for read-only
25052	symbols.
25053	* tree-ssa-propagate.c (ssa_prop_init): Initialize
25054	SSA_NAME_VALUE for every name.
25055	(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
25056	get_value_loaded_by): New.
25057	(replace_uses_in, replace_vuses_in, replace_phi_args_in,
25058	substitute_and_fold): Move from tree-ssa-ccp.c.
25059	* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
25060	first_vdef, stmt_makes_single_load, stmt_makes_single_store,
25061	get_value_loaded_by, replace_uses_in, substitute_and_fold):
25062	Declare.
25063	* tree-ssa.c (verify_use): Fix error message.
25064	(propagate_into_addr, replace_immediate_uses, get_eq_name,
25065	check_phi_redundancy, kill_redundant_phi_nodes,
25066	pass_redundant_phi): Remove.  Update all users.
25067	* tree-vect-transform.c (vect_create_data_ref_ptr): Call
25068	add_type_alias, if necessary.
25069	* tree-vectorizer.h (struct _stmt_vect_info): Update
25070	documentation for field 'memtag'.
25071	* tree-vrp.c: New file.
25072	* tree.def (ASSERT_EXPR): Define.
25073	* tree.h (ASSERT_EXPR_VAR): Define.
25074	(ASSERT_EXPR_COND): Define.
25075	(SSA_NAME_VALUE_RANGE): Define.
25076	(struct tree_ssa_name): Add field 'value_range'.
25077	(PHI_REWRITTEN): Remove.
25078	(struct tree_phi_node): Remove field 'rewritten'.
25079	* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
25080	-ftree-store-copy-prop): Document.
25081	* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
25082	Document usage of update_ssa.
25083
250842005-04-08  David Edelsohn  <edelsohn@gnu.org>
25085
25086	PR target/20814
25087	* config/rs6000/predicates.md (altivec_register_operand): Accept
25088	SUBREG.
25089	(and64_operand): Do not limit CONST_INT to mask64_operand.
25090	(and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
25091	(and_operand): Do not limit CONST_INT to mask_operand.
25092
250932005-04-09  Hans-Peter Nilsson  <hp@axis.com>
25094
25095	PR rtl-optimization/20466
25096	* flow.c (invalidate_mems_from_set): Handle a MEM by checking it
25097	for overlap of the address of each list member.
25098	(mark_set_1): Call invalidate_mems_from_set for MEMs too.
25099
251002005-04-08  Mike Stump  <mrs@apple.com>
25101
25102	* config/darwin.c (indirect_data): Fix typo in strncmp logic.
25103
25104	* config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
25105	instead of 4.
25106
251072005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
25108
25109	* c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
25110
25111	* function.c (push_function_context_to): Don't set
25112	contains_functions.
25113	* function.h (function): Remove contains_functions.
25114	(current_function_contains_functions): Remove.
25115
25116	* function.h (function): Remove instrument_entry_exit.
25117	(current_function_instrument_entry_exit): Remove.
25118
25119	* function.h (nonlocal_labels): Remove.
25120
25121	* tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
25122
25123	* genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
25124	(check_attr_value, write_attr_get, write_expr_attr_cache,
25125	find_attr, make_internal_attr): Don't reference negative_ok or
25126	unsigned_p.
25127	* genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
25128	ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
25129	(ATTR_STATIC): Adjust the value.
25130
25131	* c-common.h (C_ARTIFICIAL_STRING_P): Remove.
25132
251332005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
25134
25135	* config/s390/tpf.h (ASM_SPEC): Define.
25136
251372005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
25138
25139	* tree-flow.h: Remove the prototype for
25140	redirect_immediate_uses.
25141	(TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
25142
251432005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
25144
25145	* arm.c (arm_const_double_by_parts): New function.
25146	* arm-protos.h (arm_const_double_by_parts): Add prototype.
25147	* arm.md (define_split for 64-bit constants): Add another one.
25148
251492005-04-08  Andrew MacLeod  <amacleod@redhat.com>
25150
25151	* tree-ssa-operands.c (correct_use_link): Remove linear scan.
25152
251532005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25154
25155	* system.h: Revert last change.
25156
251572005-04-08  Richard Sandiford  <rsandifo@redhat.com>
25158
25159	* config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
25160	(MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
25161	(TARGET_SWITCHES): Delete.
25162	* config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
25163	* config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
25164	TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
25165	* config/xtensa/xtensa.opt: New file.
25166
251672005-04-08  Ben Elliston  <bje@au.ibm.com>
25168
25169	* config/fp-bit.c: Include L_mul_tf in #endif comment.
25170	* config/fp-bit.h: Tidy comments.
25171
251722005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25173
25174	* system.h: Poison PARAMS.
25175
251762005-04-07  Richard Sandiford  <rsandifo@redhat.com>
25177
25178	* config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
25179	(MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
25180	(TARGET_SWITCHES): Delete.
25181	* config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
25182	* config/vax/vax.opt: New file.
25183
251842005-04-07  Daniel Berlin  <dberlin@dberlin.org>
25185
25186	* tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
25187
251882005-04-07  Ian Lance Taylor  <ian@airs.com>
25189
25190	* config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
25191	define.
25192	* config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
25193	* config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
25194	Likewise.
25195
251962005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
25197
25198	* tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
25199	all immediate uses in PHI nodes.
25200
252012005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
25202
25203	* arm.c (arm_const_double_inline_cost): Handle any constant by
25204	using gen_lowpart and gen_highpart_mode.
25205	(note_invalid_constants): All constants in an RTX with a constraint
25206	that permits memory are now pushed to the constant pool.
25207	(output_move_double): Delete code to handle reg to reg and
25208	constant to reg moves.
25209	(const_double_needs_minipool, output_mov_immediate): Delete.
25210	* arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
25211	CONST_INT and CONST_VECTOR.
25212	* arm.md (ANY64): New mode macro.
25213	(arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
25214	(movdf_soft_insn): Split reg-reg and const-reg moves.
25215	(split patterns for 64-bit constant and register moves): New.
25216	* cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
25217	(cirrus_movdf_hard_insn): Likewise.
25218	* fpa.md (movdf_fpa): Likewise.
25219	* iwmmxt.md (iwmmxt_arm_movdi): Likewise.
25220	(movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
25221	constraints.
25222	(movv2si_internal_2): Likewise.
25223	* vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
25224	(movdf_vfp): Likewise.
25225	* arm-protos.h (output_mov_immediate): Delete prototype.
25226
252272005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
25228
25229	PR target/20093
25230	* simplify-rtx.c (simplify_unary_operation_1): Check
25231	SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
25232
252332005-04-06  James E Wilson  <wilson@specifixinc.com>
25234
25235	PR target/20717
25236	* cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
25237	ADDR_EXPR.
25238
252392004-04-06  Richard Sandiford  <rsandifo@redhat.com>
25240
25241	* coverage.h (GCOV_TYPE_NODE): Delete.
25242	* coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
25243	(build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
25244	* tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
25245	(tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
25246	* value-prof.c (tree_divmod_fixed_value_transform): Delete.
25247
252482004-04-06  Richard Sandiford  <rsandifo@redhat.com>
25249
25250	PR other/20792
25251	* Makefile.in (gcc.pot): Remove options.c dependency.
25252	* optc-gen.awk: Don't quote help strings with N_().
25253
252542005-04-06  James A. Morrison  <phython@gcc.gnu.org>
25255
25256	* c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
25257	the function returns a pointer type.
25258
252592005-04-06  Daniel Berlin  <dberlin@dberlin.org>
25260
25261	* params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
25262	* params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
25263	* doc/invoke.texi: Documnet salias-max-implicit-fields.
25264	* tree-ssa-alias.c (struct used_part): Add implicit_uses and
25265	explicit_uses members.
25266	(get_or_create_used_part_for): Initialize new fields.
25267	(fieldoff_compare): New function.
25268	(create_overlap_variables_for): Count number of fields, use
25269	heuristic to determine whether to create subvars for vars with
25270	only implicit uses.
25271	Sort the field list by offset and avoid creating duplicate SFT's.
25272
252732005-04-06  Richard Sandiford  <rsandifo@redhat.com>
25274
25275	* c.opt (-F): Remove trailing whitespace from help string.
25276	(-finput-charset): Use a tab to separate the switch name and help
25277	string.
25278	* common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
25279	(-ftree-vectorizer-verbose): Likewise.
25280
252812005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
25282
25283	* tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
25284	a PHI argument where a use occurs instead of all PHI arguments.
25285
252862005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
25287
25288	* c-decl.c (finish_decl): Apply pending #pragma weak regardless of
25289	scope.
25290
252912005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
25292
25293	* cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
25294	tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
25295	config/bfin/bfin.h: Fix comment typos.
25296
252972005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
25298
25299	* doc/install.texi: Update the URL for Jacks.
25300	* doc/sourcebuild.texi: Likewise.
25301
253022005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
25303
25304	PR target/17245
25305	* config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
25306	Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
25307
253082005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
25309
25310	* Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
25311
253122005-04-06  Richard Sandiford  <rsandifo@redhat.com>
25313
25314	* config/v850/v850-protos.h (override_options): Delete.
25315	* config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
25316	(MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
25317	(MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
25318	(MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
25319	(TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
25320	(TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
25321	(TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
25322	(TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
25323	(OVERRIDE_OPTIONS): Delete.
25324	(MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
25325	(small_memory_info): Remove the value field.
25326	(CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
25327	TARGET_NO_APP_REGS.
25328	* config/v850/v850.c (small_memory): Remove the value field.
25329	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
25330	(override_options): Delete.
25331	(v850_handle_memory_option, v850_handle_option): New functions.
25332	* config/v850/v850.opt: New file.
25333
253342005-04-06  Geoffrey Keating  <geoffk@apple.com>
25335
25336	* config.host: Add a section for generic hosts, and a subsection
25337	for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
25338	* config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
25339	* config/host-darwin.h: New.
25340	* config/x-darwin: New.
25341	* config/i386/host-i386-darwin.c: New.
25342	* config/i386/x-darwin: New.
25343	* config/rs6000/host-darwin.c: Include host-darwin.h.
25344	(darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
25345	(darwin_rs6000_gt_pch_use_address): Likewise.
25346	* config/rs6000/x-darwin: Change name of .o built, update
25347	dependencies for changes to rs6000/host-darwin.c.
25348
253492005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
25350
25351	PR target/17824
25352	* config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
25353
253542005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
25355
25356	* tree-vect-analyze.c (vect_analyze_loop_form): Call
25357	split_loop_exit_edge instead of loop_split_edge_with.
25358
253592005-04-06  Paolo Bonzini  <bonzini@gnu.org>
25360
25361	* config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
25362	UNSPEC_SET_VSCR): New constants, used throughout.
25363	(*andc3_v4sf): New.
25364	(altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
25365	Replace with...
25366	(altivec_vspltis<VI_char>): ... this pattern, using
25367	a QImode const_int_operand for the immediate.
25368	(abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
25369	define_expands.
25370
253712005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
25372
25373	PR target/17822
25374	* config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
25375
253762005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
25377
25378	* Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
25379
253802005-04-06  Ben Elliston  <bje@au.ibm.com>
25381
25382	* gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
25383	DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
25384	macros as living in "this file" and not gcc.h.
25385
253862005-04-06  Ben Elliston  <bje@au.ibm.com>
25387
25388	* doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
25389	-ftree-live_range_split.  Perhaps renamed at some point?
25390
253912005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
25392
25393	PR target/20625
25394	* tree-ssa-loop-ivopts.c (generic_type_for): New function.
25395	(add_candidate_1): Use generic_type_for instead of unsigned_type_for.
25396
253972005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
25398
25399	* tree-flow.h (number_of_iterations_cond): Declaration removed.
25400	* tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
25401	(number_of_iterations_special): New function.
25402	(number_of_iterations_exit): Use number_of_iterations_special.
25403	Use simplify_using_outer_evolutions only at -O3.
25404	(number_of_iterations_cond, tree_simplify_using_condition,
25405	simplify_using_initial_conditions, loop_niter_by_eval,
25406	compare_trees, can_count_iv_in_wider_type_bound,
25407	simplify_using_outer_evolutions): Use fold_build.
25408
254092005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
25410
25411	* doc/install.texi (Configuration): Document --with-java-home.
25412
254132005-04-05  Richard Henderson  <rth@redhat.com>
25414
25415	PR target/20342
25416	PR target/20447
25417	* config/i386/i386.c (print_operand): Handle vector zeros.
25418	(ix86_split_to_parts): Handle CONST_VECTOR.
25419	(ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
25420	(ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
25421	what modes to tie for MMX and SSE registers.
25422	* config/i386/i386.h (MMX_REG_MODE_P): Remove.
25423	* config/i386/i386.md: Extend move 0 -> xor peephole to apply
25424	to vector modes as well.
25425	* config/i386/predicates.md (const0_operand): Handle VOIDmode
25426	properly as an input mode.
25427
254282005-04-05  Andrew MacLeod  <amacleod@redhat.com>
25429
25430	* tree-ssa-operands.c (verify_abort): Use %p for pointers.
25431
254322005-04-05  Andrew MacLeod  <amacleod@redhat.com>
25433
25434	* tree-pretty-print.c (dump_generic_node): Use %p for pointer.
25435
254362005-04-05  Jakub Jelinek  <jakub@redhat.com>
25437
25438	* config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
25439	and local functions, set sse_nregs to 8 and float_in_sse.
25440	(function_arg_advance, function_arg): If float_in_sse, pass
25441	SFmode and DFmode arguments in SSE registers.
25442	* config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
25443
25444	* config/i386/i386.c (ix86_value_regno): Only optimize local functions
25445	of -funit-at-a-time.
25446
254472005-04-05  Paolo Bonzini  <bonzini@gnu.org>
25448
25449	* config/i386/i386-protos.h (ix86_function_value): Accept two
25450	arguments, like the target macro.
25451	* config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
25452	* config/i386/i386.c (ix86_function_value): Accept the second
25453	argument of the target macro.
25454	(ix86_function_ok_for_sibcall): Pass a function pointer to
25455	ix86_function_value.
25456	(ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
25457	call to ix86_value_regno).
25458	(ix86_value_regno): Add support for returning floating point values
25459	in SSE registers.
25460
254612005-04-05  Jakub Jelinek  <jakub@redhat.com>
25462
25463	PR tree-optimization/20076
25464	* tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
25465	that call __builtin_return or __builtin_apply_args.
25466
254672005-04-05  Andrew MacLeod  <amacleod@redhat.com>
25468
25469	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
25470	Use immediate use iterator.
25471	(stmt_is_bumper_for_loop): Use immediate use iterator.
25472	* predict.c (strip_builtin_expect): Use update_stmt.
25473	* tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
25474	on all elements of a STATEMENT_LIST.
25475	(bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
25476	(bsi_remove): Remove imm_use links and mark the stmt as modified.
25477	(bsi_replace): Mark stmt as modified and the update it.
25478	* tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
25479	(expand_complex_libcal): Call update_stmt.
25480	(expand_complex_comparison): Call mark_stmt_modified.
25481	(expand_complex_operations_1): Call update_stmt_if_modified.
25482	(expand_vector_operations_1): Call mark_stmt_modified.
25483	* tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
25484	compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
25485	add_immediate_use, redirect_immediate_use,
25486	redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
25487	dump_immediate_uses_for, debug_immediate_uses_for): Delete.
25488	(mark_new_vars_to_rename): Call update_stmt.
25489	* tree-dump.c (dump_option_value_in): Add "stmtaddr".
25490	* tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
25491	Ignore PHI nodes.
25492	(unmodify_stmt): Delete.
25493	(update_stmt): New.  Force an update of a stmt.
25494	(update_stmt_if_modified): update a stmt if it is out of date.
25495	(get_stmt_operands): Verify stmt is NOT modified.
25496	(stmt_modified_p): Update comment.
25497	(delink_imm_use): Remove a use node from its immuse list.
25498	(link_imm_use_to_list): Link a use node to a specific list.
25499	(link_imm_use): Link a node to the correct list.
25500	(set_ssa_use_from_ptr): Set a use node to a specific value, and insert
25501	it in the correct list, if appropriate.
25502	(link_imm_use_stmt): Link a use node, and set the stmt pointer.
25503	(relink_imm_use): Link a use node in place of another node in a list.
25504	(relink_imm_use_stmt): LInk a node in place of another node, and set
25505	the stmt pointer.
25506	(end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
25507	(end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
25508	(first_safe_imm_use): New.  Initialize a safe immuse iterator.
25509	(next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
25510	(end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
25511	(first_readonly_imm_use): New.  Initialize a fast immuse iterator.
25512	(next_readonly_imm_use): New.  Get the next fast immuse iterator value.
25513	(has_zero_uses): New.  Return true if there are no uses of a var.
25514	(has_single_use): New.  Return true if there is only a single use of a
25515	variable.
25516	(single_imm_use): New.  Return the simgle immediate use.
25517	(num_imm_uses): New.  Return the number of immediate uses.
25518	(get_v_must_def_ops): Use is now a pointer.
25519	(use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
25520	get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
25521	the use node.
25522	(get_immediate_uses, num_immediate_uses, immediate_use): Delete.
25523	(delink_stmt_imm_use): Delink all immuses from a stmt.
25524	(phi_arg_index_from_use): New.  Return a phi arg index for a use.
25525	* tree-flow.h (struct dataflow_d): Delete.
25526	(immediate_use_iterator_d): New.  Immediate use iterator struct.
25527	(FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
25528	(FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
25529	(BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
25530	iteration.
25531	(struct stmt_ann_d): Remove dataflow_t from struct.
25532	* tree-if-conv.c (tree_if_conversion).  Don't call free_df.
25533	(if_convertible_phi_p): Use FAST immuse iterator.
25534	(if_convertible_loop_p): Don't call compute_immediate_uses.
25535	(replace_phi_with_cond_modify_expr): Call update_stmt.
25536	* tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
25537	update_stmt_if_modified.
25538	(rewrite_all_into_ssa): Initialize ssa operands.
25539	* tree-loop-linear.c (linear_transform_loops): Don't call free_df or
25540	compute_immediate_uses.
25541	* tree-optimize.c (execute_todo): Call verify_ssa whenever the
25542	ssa_property is available.
25543	(execute_one_pass): Change parameters passed to execute_todo.
25544	* tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
25545	(remove_ssa_form): Call fini_ssa_operands.
25546	(insert_backedge_copies): Delete call to modify_stmt.
25547	* tree-phinodes.c (make_phi_node): Initialize use nodes.
25548	(release_phi_node): Delink any use nodes before releasing.
25549	(resize_phi_node): Relink any use nodes.
25550	(remove_phi_arg_num): Delink the use node.
25551	(remove_phi_node): Release the ssa_name AFTER releasing the phi node.
25552	(remove_all_phi_nodes_for): Release phi node first.
25553	* tree-pretty-print.c (dump_generic_node): Print stmt address.
25554	* tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
25555	(scalarize_use, scalarize_copy): Call update_stmt.
25556	* tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
25557	(compute_points_to_and_addr_escape): Call mark_stmt_modified.
25558	* tree-ssa-cpp.c (need_imm_uses_for): Delete.
25559	(ccp_initialize): Remove call to compute_immediate_uses.
25560	(substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
25561	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
25562	stmts.
25563	(simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
25564	(simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
25565	(eliminate_redundant_computations): Call mark_stmt_modified.
25566	(cprop_operand): Call mark_stmt_modified.
25567	(optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
25568	* tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
25569	(dse_optimize_stmt): Use new immuse interface.
25570	(tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
25571	* tree-ssa-forwprop.c (need_imm_uses_for): Delete.
25572	(substitute_single_use_vars): Use new immuse interface.
25573	(tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
25574	and compute_immediate_uses.
25575	* tree-ssa-loop-im.c (single_reachable_address): Use new immuse
25576	interface.
25577	(rewrite_mem_refs): Call update_stmt.
25578	(determine_lsm): Remove call to compute_imm_uses and free_df.
25579	* tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
25580	(try_unroll_loop_completely): Call update_stmt.
25581	* tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
25582	(rewrite_use_compare): Call update_stmt.
25583	(compute_phi_arg_on_exit): Insert each stmt before trying to process.
25584	(rewrite_use) : Call update_stmt.
25585	* tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
25586	* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
25587	update_stmt.
25588	* tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
25589	(allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
25590	(free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
25591	use nodes.
25592	(initialize_vuse_operand): New.  Initialize a vuse operand.
25593	(initialize_v_may_def_operand): New.  Initialize a maydef operand.
25594	(initialize_v_must_def_operand): New.  Initialize a mustdef operand.
25595	(finalize_ssa_defs): Use stmt parameter.
25596	(correct_use_link): Ensure a use node is in the correct list, and has
25597	the correct stmt pointer.
25598	(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
25599	finalize_ssa_v_must_defs): Also initialize use nodes.
25600	(finalize_ssa_stmt_operands): Pass extra stmt operands.
25601	(build_ssa_operands): Seperate parsing from final operand construction.
25602	(parse_ssa_operands): New.  Parse entry point for operand building.
25603	(swap_tree_operands): New.  Swap 2 tree operands.
25604	(update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
25605	operands.
25606	(get_expr_operands): Call swap_tree_operands when needed.
25607	(copy_virtual_operands): Use initialize routines for virtual use ops.
25608	(create_ssa_artficial_load_stmt): Add extra stmt parameter.
25609	(verify_abort): New.  Issue imm_use error.
25610	(verify_imm_links): New Verify imm_use links for a var.
25611	(dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
25612	(dump_immediate_uses): New.  Dump imm_uses for all vars to file.
25613	(debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
25614	(debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
25615	* tree-ssa-operands.h (struct use_operand_ptr): Delete.
25616	(NULL_USE_OPERAND_P) Define.
25617	(use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
25618	use node.
25619	(struct vuse_operand_type): New struct.
25620	(SET_USE): Call set_ssa_use_from_ptr.
25621	(USE_STMT): Define.
25622	(PHI_ARG_INDEX_FROM_USE): Define.
25623	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
25624	argument via SET_USE, not PHI_ARG_DEF_TREE.
25625	* tree-ssa-pre.c (eliminate): Call update_stmt.
25626	* tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
25627	call free_df.
25628	* tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
25629	(nearest_common_dominator_of_uses): Use imm_use iterator.
25630	(statement_sink_location): Use imm_use iterator and interface.
25631	(execute_sink_code): Don't call compute_immediate_uses or free-df.
25632	* tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
25633	PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
25634	* tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
25635	(verify_ssa): Ensure no stmt is marked modify after optimization pass
25636	if new parameter is true.
25637	(init_tree_ssa): Don't initialize operand cache here.
25638	(delete_tree_ssa): Don't destroy operand cache here.
25639	(propagate_into_addr): Pass in a use pointer, return true if anything
25640	was changed.
25641	(replace_immediate_uses): Use imm_use iterator, call update_stmt.
25642	(check_phi_redundancy): Use imm_use iterator.
25643	(kill_redundant_phi_nodes): Don't call compute_immediate_uses or
25644	free_df.
25645	* tree-ssanames.c (make_ssa_name): Initialize imm_use node.
25646	(release_ssa_name): Delink node and all elements in its imm_use list.
25647	* tree-tailcall.c (adjust_return_value): Call update_stmt.
25648	* tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
25649	* tree-vectorizer.c (need_imm_uses_for): Delete.
25650	(vectorize_loops): Dont call compute_immediate_uses or free_df.
25651	* tree.h (struct ssa_imm_use_d): Define.
25652	(SSA_NAME_IMM_USE_NODE): Define.
25653	(struct tree_ssa_name): Add imm_use node.
25654	(PHI_DF): Delete.
25655	(PHI_ARG_IMM_USE_NODE): Define.
25656	(struct phi_arg_d): Add imm_use node.
25657	(struct tree_phi_node): Remove struct dataflow_d element.
25658	(TDF_STMTADDR): Define.
25659
256602005-04-05  Dale Johannesen  <dalej@apple.com>
25661
25662	* doc/invoke.texi (Optimization Options): Remove
25663	duplicate -fcse-follow-jumps.  Add -fweb.
25664	(-ftree-lim): Fix spelling (-ftree-loop-im, invariants).
25665	(-fivcanon): Fix spelling (-ftree-loop-ivcanon).
25666
256672005-04-05  Per Bothner  <per@bothner.com>
25668
25669	* tree-ssa.c (execute_early_warn_uninitialized): Pass context node
25670	to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
25671	(warn_uninit): Get EXPR_LOCUS from context now instead.
25672	This fixes a USE_MAPPED_LOCATION testsuite failure.
25673
25674	* tree-ssa.c (warn_uninitialized_var): Remove useless local.
25675
256762005-04-05  Per Bothner  <per@bothner.com>
25677
25678	* c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
25679	of the artification 'return 0' in main() to BUILTINS_LOCATION.
25680	* tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
25681	before warning.
25682
256832004-04-05  Devang Patel  <dpatel@apple.com>
25684
25685	* config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
25686	(lhsr<mode>3): ... new name.
25687	(altivec_vsra<VI_char>): Rename to ..
25688	(ashr<mode>3): ... new name.
25689	* config/rs6000/rs6000.c (builtin_description): Rename shift
25690	operations.
25691
256922004-04-05  Paolo Bonzini  <bonzini@gnu.org>
25693
25694	* combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
25695	gen_lowpart_for_combine.
25696	* cse.c (gen_lowpart_if_possible): Move...
25697	* rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
25698	gen_lowpart_SUBREG.
25699	(gen_lowpart_no_emit_general): Use it.
25700
257012005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
25702
25703	* config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
25704	overriding.
25705
257062005-04-05  Paolo Bonzini  <bonzini@gnu.org>
25707
25708	* system.h: Fix typo.
25709
257102005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
25711
25712	* config/bfin/bfin-modes.def: New file.
25713	* config/bfin/bfin-protos.h: New file.
25714	* config/bfin/bfin.c: New file.
25715	* config/bfin/bfin.h: New file.
25716	* config/bfin/bfin.md: New file.
25717	* config/bfin/bfin.opt: New file.
25718	* config/bfin/crti.s: New file.
25719	* config/bfin/crtn.s: New file.
25720	* config/bfin/elf.h: New file.
25721	* config/bfin/lib1funcs.asm: New file.
25722	* config/bfin/predicates.md: New file.
25723	* config/bfin/t-bfin: New file.
25724	* config/bfin/t-bfin-elf: New file.
25725	* doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
25726	Document new attributes.
25727	(interrupt, interrupt_handler, saveall): Update documentation for
25728	these attributes.
25729	* doc/install.texi (Specific): Add entry for the Blackfin.
25730	* doc/invoke.texi (Blackfin Options): New section.
25731	* doc/md.texi (Blackfin family): New section to document constraints.
25732	* config.gcc: Add bfin*-* and bfin*-elf configurations.
25733
257342005-04-05  Olivier Hainque  <hainque@adacore.com>
25735
25736	* config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
25737	match what the system unwinder expects.
25738	* config/mips/mips.c (mips_frame_set): If we're saving the return
25739	address register and the dwarf return address column number differs
25740	from the hard register number, adjust the note reg to refer to the
25741	former.
25742
257432004-04-05  Richard Sandiford  <rsandifo@redhat.com>
25744
25745	* config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
25746	* config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
25747	(TARGET_SWITCHES, TARGET_DEFAULT): Delete.
25748	(processor_type): New enum.
25749	(mn10300_processor): New variable.
25750	(TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
25751	(PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
25752	* config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
25753	(PROCESSOR_DEFAULT): New macro.
25754	* config/mn10300/mn10300.c (mn10300_processor): New variable.
25755	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
25756	(mn10300_handle_option, mn10300_override_options): New functions.
25757	* config/mn10300/mn10300.opt: New file.
25758
257592005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
25760	    Sebastian Pop <sebastian.pop@cri.ensmp.fr>
25761
25762	PR tree-optimization/19903
25763	* tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
25764	that don't fit in their type after conversion.
25765
257662005-04-05  Uros Bizjak <uros@kss-loka.si>
25767
25768	PR target/20421
25769	* config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
25770	(frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
25771	Allocate local stack slots here.  Set ix86_optimize_mode_switching.
25772	flag here. Implement using define_insn_and_split.
25773	(frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
25774	(frndintxf2_mask_pm_i387): New insn patterns.
25775	(floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
25776	Do not set ix86_optimize_mode_switching flag.
25777	(ceilsf2, ceildf2, ceilxf2): Same.
25778	(btruncsf2, btruncdf2, btruncxf2): Same.
25779	(nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
25780
257812005-04-05  Ian Lance Taylor  <ian@airs.com>
25782
25783	PR debug/9963
25784	* config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
25785	i386_pe_record_external_function.
25786	(i386_pe_record_external_function): Update declaration.
25787	* config/i386/winnt.c (struct extern_list): Add decl field.
25788	(i386_pe_record_external_function): Add decl parameter.
25789	(i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
25790	identifier.
25791	* config/i386/i386-protos.h (i386_pe_record_external_function):
25792	Update declaration.
25793
257942005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
25795
25796	* config/m68k/m68k-protos.h: Add a prototype for
25797	valid_dbcc_comparison_p_2.
25798	* config/m68k/m68k.c (not_sp_operand, symbolic_operand,
25799	extend_operator, const_uint32_operand, const_sint32_operand,
25800	general_src_operand, nonimmediate_src_operand,
25801	memory_src_operand, post_inc_operand, pre_dec_operand,
25802	pcrel_address): Move to predicates to predicates.md.
25803	* config/m68k/m68k.h (PREDICATE_CODES): Remove.
25804	* config/m68k/m68k.md: Include predicates.md.
25805	* config/m68k/predicates.md: New.
25806
258072005-04-04  Roger Sayle  <roger@eyesopen.com>
25808
25809	* config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
25810
25811	* fold-const.c (maybe_lvalue_p): Delete orphaned comment.
25812
258132005-04-04  Ian Lance Taylor  <ian@airs.com>
25814
25815	* c-typeck.c (struct c_switch): Rename switch_stmt field to
25816	switch_expr.
25817	(c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
25818	(do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
25819	(c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
25820	Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
25821	* c-common.c (c_do_switch_warnings_1): New static function broken
25822	out of c_do_switch_warnings.
25823	(c_do_switch_warnings): Call c_do_switch_warnings_1.
25824	(c_do_switch_expr_warnings): New function.
25825	* c-common.h (c_do_switch_expr_warnings): Declare.
25826
258272005-04-04  David Edelsohn  <edelsohn@gnu.org>
25828	    Daniel Jacobowitz  <dan@codesourcery.com>
25829
25830	* tree-eh.c (tree_could_trap_p): Allow non-constant floating point
25831	trapping divide.
25832	* rtlanal.c (may_trap_p): Same.
25833
258342005-04-04  Dale Johannesen  <dalej@apple.com>
25835
25836	* ChangeLog: remove reference to ChangeLog.12.
25837
258382005-04-05  Hans-Peter Nilsson  <hp@axis.com>
25839
25840	CRIS epilogue as RTL.
25841	* config/cris/cris.md: Change all 0 in unspec 0 to
25842	CRIS_UNSPEC_PLT.
25843	(CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
25844	("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
25845	patterns.
25846	("return"): Change to define_expand.  Call cris_expand_return for
25847	actual expansion.
25848	("*return_expanded"): New pattern.
25849	("epilogue"): New define_expand.
25850	* config/cris/cris.h (PREDICATE_CODES): Add
25851	cris_load_multiple_op.
25852	* config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
25853	type.
25854	(enum cris_retinsn_type): New.
25855	(struct machine_function): New member return_type.
25856	(TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
25857	(cris_target_asm_function_epilogue): Remove, moving RTLified
25858	contents to...
25859	(cris_expand_epilogue): New function.
25860	(cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
25861	(cris_gen_movem_load, cris_load_multiple_op)
25862	(cris_return_address_on_stack_for_return, cris_expand_return): New
25863	functions.
25864	(cris_target_asm_function_prologue)
25865	(cris_initial_frame_pointer_offset): Call
25866	cris_reg_saved_in_regsave_area instead of complicated expression.
25867	Call cris_return_address_on_stack instead of an expression.
25868	(cris_print_operand) <case 'o', case 'O'>: New cases.
25869	(cris_return_address_on_stack): Change return-type to bool.
25870	(cris_simple_epilogue): Ditto.  Return false if registers are
25871	saved.
25872	* config/cris/cris-protos.h (cris_simple_epilogue)
25873	(cris_return_address_on_stack): Adjust prototype return type.
25874	(cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
25875	(cris_return_address_on_stack_for_return): New prototypes.
25876
258772005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
25878
25879	* config/frv/frv.h (PREDICATE_CODES): Add CONST to
25880	gpr_or_int12_operand.
25881
25882	* config/frv/frv-protos.h: Add a prototype to
25883	frv_legitimate_memory_operand and frv_const_unspec_p.
25884	(frv_unspec): Move from frv.c.
25885	* config/frv/frv.c (frv_unspec): Move to frv-protos.h.
25886	(frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
25887	(ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
25888	gpr_or_fpr_operand, gpr_or_int12_operand,
25889	gpr_fpr_or_int12_operand, fpr_or_int6_operand,
25890	gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
25891	int6_operand, int5_operand, uint5_operand, uint4_operand,
25892	uint1_operand, int_2word_operand, uint16_operand,
25893	upper_int16_operand, integer_register_operand,
25894	gpr_no_subreg_operand, fpr_operand, even_reg_operand,
25895	odd_reg_operand, even_gpr_operand, odd_gpr_operand,
25896	quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
25897	dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
25898	move_destination_operand, movcc_fp_destination_operand,
25899	frv_function_symbol_referenced_p, move_source_operand,
25900	condexec_dest_operand, condexec_source_operand,
25901	reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
25902	const_unspec_operand, gpr_or_memory_operand,
25903	gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
25904	icc_operand, fcc_operand, cc_operand, icr_operand,
25905	fcr_operand, cr_operand, call_operand, sibcall_operand,
25906	symbolic_operand, relational_operator,
25907	integer_relational_operator, float_relational_operator,
25908	ccr_eqne_operator, minmax_operator,
25909	condexec_si_binary_operator, condexec_si_media_operator,
25910	condexec_si_divide_operator, condexec_si_unary_operator,
25911	condexec_sf_conv_operator, condexec_sf_add_operator,
25912	condexec_memory_operand, intop_compare_operator, acc_operand,
25913	even_acc_operand, quad_acc_operand, accg_operand: Move to
25914	predicates.md.
25915	* config/frv/frv.h (PREDICATE_CODES): Remove.
25916	* config/frv/frv.md: Include predicates.md.
25917	* config/frv/predicates.md: New.
25918
259192004-04-04  Richard Sandiford  <rsandifo@redhat.com>
25920
25921	PR target/19537
25922	* Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
25923	* tree-ssa-loop-ivopts.c: Include langhooks.h.
25924	(add_standard_iv_candidates_for_size): New function, extracting code
25925	from add_standard_iv_candidates and parameterizing it by type size.
25926	(add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
25927
259282004-04-04  Richard Sandiford  <rsandifo@redhat.com>
25929
25930	* system.h (GCOV_SIZE_TYPE): Unposion.
25931	* gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
25932	(GCOV_TYPE_SIZE): ...this new macro.
25933	* coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
25934	* coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
25935	(rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
25936	(build_fn_info_type, build_fn_info_value, build_ctr_info_type)
25937	(build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
25938	instead of unsigned_intSI_type_node.
25939	* rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
25940	(rtl_gen_one_value_profiler_no_edge_manipulation)
25941	(rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
25942	* value-prof.c: Include coverage.h.
25943
259442005-04-02  Daniel Berlin  <dberlin@dberlin.org>
25945	    Diego Novillo <dnovillo@redhat.com>
25946
25947	Fix PR tree-optimization/20703
25948	Fix PR tree-optimization/20725
25949
25950	* tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
25951	(create_expression_by_pieces): Ditto.
25952	(valid_in_set): Ditto. Also handle tcc_declaration.
25953	(find_or_generate_expression): Handle comparison class.
25954	(insert_into_preds_of_block): Ditto.
25955	(insert_aux): Ditto.
25956	(create_value_expr_from): Handle comparison class, recursively
25957	handle reference nodes.
25958	(compute_avail): Handle comparison classes, rewrite a little cleaner.
25959	(execute_pre): Fix spacing.
25960	(do_fre): Renamed to execute_fre.
25961
259622005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
25963
25964	* doc/invoke.texi (SPARC options): Document that
25965	-mlittle-endian is not supported on Linux either.
25966
259672005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
25968
25969	PR target/4198
25970	PR target/12027
25971	* config.gcc (Obsolete configurations): Remove
25972	sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
25973	(sparclite-*-coff*): Delete.
25974	(sparclite-*-elf*): Likewise.
25975	(sparc86x-*-elf*): Likewise.
25976	(target_cpu_default) <sparc*-*-*>: Remove sparc86x.
25977	* config/sparc/lite.h: Delete.
25978	* config/sparc/litecoff.h: Likewise.
25979	* config/sparc/liteelf.h: Likewise.
25980	* config/sparc/sp86x-elf.h: Likewise.
25981	* config/sparc/t-sparclite: Likewise.
25982	* config/sparc/t-sp86x: Likewise.
25983
259842005-04-04  Adrian Straetling  <straetling@de.ibm.com>
25985
25986	* config/s390/s390-protos.h: (s390_comparison,
25987	s390_alc_comparison, s390_slb_comparison, const0_operand,
25988	consttable_operand, larl_operand, s_operand,
25989	shift_count_operand, bras_sym_operand, load_multiple_operation,
25990	store_multiple_operation, s390_plus_operand): Remove prototypes.
25991	(s390_legitimate_address_without_index_p): New prototype.
25992	* config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
25993	to s390.h.
25994	(s390_comparison, s390_alc_comparison, s390_slb_comparison,
25995	const0_operand, consttable_operand, larl_operand, s_operand,
25996	shift_count_operand, bras_sym_operand, load_multiple_operation,
25997	store_multiple_operation, s390_plus_operand): Move to
25998	predicates.md.
25999	(check_mode): Remove.
26000	(s390_branch_condition_mask): Remove 'static'. Move prototype to
26001	s390-protos.h.
26002	(s390_legitimate_address_without_index_p): New.
26003	* config/s390/s390.h (PREDICATE_CODES): Remove.
26004	* config/s390/s390.md: Include predicates.md.
26005	* config/s390/predicates.md: New.
26006
260072005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
26008
26009	PR target/20446
26010	* config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
26011	* config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
26012	(NEED_INDICATE_EXEC_STACK): Define to 1.
26013	* config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
26014	(NEED_INDICATE_EXEC_STACK): Define to 1.
26015	* config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
26016	(add_pc_to_pic_symbol): Rename into pic_helper_symbol.
26017	(add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
26018	(pic_helper_emitted_p): New global.
26019	(emit_pic_helper): New function extracted from...
26020	(load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
26021	Do not call emit_pic_helper if delay_pic_helper is true.
26022	(sparc_expand_prologue): Pass 'false' to load_pic_register.
26023	(sparc_output_mi_thunk): Pass 'true' to load_pic_register.
26024	(sparc_file_end): New function.
26025
260262005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
26027
26028	* config/mcore/mcore-protos.h: Remove the prototypes for
26029	mcore_arith_reg_operand, mcore_general_movsrc_operand,
26030	mcore_general_movdst_operand, mcore_reload_operand,
26031	mcore_arith_J_operand, mcore_arith_K_operand,
26032	mcore_arith_K_operand_not_0, mcore_arith_M_operand,
26033	mcore_arith_K_S_operand, mcore_arith_imm_operand,
26034	mcore_arith_any_imm_operand, mcore_arith_O_operand,
26035	mcore_literal_K_operand, mcore_addsub_operand,
26036	mcore_compare_operand, mcore_load_multiple_operation,
26037	mcore_store_multiple_operation, mcore_call_address_operand.
26038	Add a prototype for const_ok_for_mcore.
26039	* config/mcore/mcore.c (mcore_call_address_operand,
26040	mcore_general_movsrc_operand, mcore_general_movdst_operand,
26041	mcore_arith_reg_operand, mcore_reload_operand,
26042	mcore_arith_J_operand, mcore_arith_K_operand,
26043	mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
26044	mcore_arith_M_operand, mcore_arith_imm_operand,
26045	mcore_arith_any_imm_operand, mcore_arith_O_operand,
26046	mcore_literal_K_operand, mcore_addsub_operand,
26047	mcore_compare_operand, mcore_load_multiple_operation,
26048	mcore_store_multiple_operation): Move to predicates.md.
26049	(const_ok_for_mcore): Export.
26050	* config/mcore/mcore.h (PREDICATE_CODES): Remove.
26051	* config/mcore/mcore.md: Include predicates.md.
26052	* config/mcore/predicates.md: New.
26053
26054	* config/mcore/predicates.md: Fix a comment typo.
26055
260562005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
26057	    Adrian Straetling  <straetling@de.ibm.com>
26058
26059	* config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
26060	* config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
26061	* config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
26062	attribute.
26063	("imul"): Removed from "type" attribute.
26064	("*muldi3_sign", "muldi3"): Changed type to imuldi.
26065	("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
26066	Changed type to imulsi.
26067	("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
26068
260692005-04-04  Richard Sandiford  <rsandifo@redhat.com>
26070
26071	* config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
26072	(RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
26073	(SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
26074	(TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
26075	(TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
26076	(TARGET_SWITCHES, mcore_stack_increment_string)
26077	(TARGET_OPTIONS): Delete.
26078	(TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
26079	than *_BIT constants.
26080	(TARGET_8ALIGN): #undef old definition before redefining to 1.
26081	* config/mcore/mcore.c (mcore_stack_increment_string): Delete.
26082	(TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
26083	(mcore_override_options): Delete mcore_stack_increment code.
26084	Change use of M340_BIT to MASK_M340.
26085	* config/mcore/mcore.opt: New file.
26086
260872005-04-04  Ian Lance Taylor  <ian@airs.com>
26088
26089	* config/arm/arm.c (replace_symbols_in_block): Remove static
26090	function.
26091
260922005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
26093
26094	* config/fr30/fr30-protos.h: Remove the prototypes for
26095	stack_add_operand, add_immediate_operand,
26096	high_register_operand, low_register_operand, call_operand,
26097	di_operand, and nonimmediate_di_operand.
26098	* config/fr30/fr30.c (stack_add_operand,
26099	add_immediate_operand, high_register_operand,
26100	low_register_operand, call_operand, di_operand,
26101	nonimmediate_di_operand): Move to predicates.md.
26102	* config/fr30/fr30.h (PREDICATE_CODES): Remove.
26103	* config/fr30/fr30.md: Include predicates.md.
26104	* config/fr30/predicates.md: New.
26105
26106	* config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
26107	LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
26108	mcore_call_address_operand.
26109
26110	* config/sh/sh.h (PREDICATE_CODES): Add CONST to
26111	general_movsrc_operand.
26112
261132005-04-04  Alan Modra  <amodra@bigpond.net.au>
26114
26115	* passes.c (rest_of_handle_final): NULL unlikely_text_section_name
26116	after freeing.
26117
261182005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
26119
26120	PR target/14812
26121	* arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
26122	a negated value.
26123
261242005-04-04  Richard Henderson  <rth@redhat.com>
26125	    Jakub Jelinek  <jakub@redhat.com>
26126
26127	PR rtl-optimization/16104
26128	* fold-const.c (fold_unary): Fix folding of vector conversions.
26129
261302005-04-04  Richard Sandiford  <rsandifo@redhat.com>
26131
26132	* config.gcc (xstormy16-*-elf): Set extra_options.
26133	* config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
26134	* config/stormy16/stormy16.opt: New file.
26135
261362005-04-04  Richard Sandiford  <rsandifo@redhat.com>
26137
26138	* config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
26139	(TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
26140	(TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
26141	(TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
26142	(TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
26143	(TARGET_UNIX_ASM): Delete.
26144	(TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
26145	* config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
26146	* config/pdp11/pdp11.c (pdp11_handle_option): New function.
26147	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
26148	* config/pdp11/pdp11.opt: New file.
26149
261502005-04-03  Roger Sayle  <roger@eyesopen.com>
26151	    Alexandre Oliva  <aoliva@redhat.com>
26152
26153	PR c++/19199
26154	* fold-const.c (non_lvalue): Split tests into...
26155	(maybe_lvalue_p): New function.
26156	(fold_cond_expr_with_comparison): Preserve lvalue-ness for the
26157	C++ front-end prior to lowering into gimple form.
26158
261592005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26160
26161	* builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
26162	BUILT_IN_STRNCASECMP): New.
26163	* doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
26164	and strndup.
26165
261662005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
26167
26168	PR target/14812
26169	* arm.md (addsi3_compare0_for_combiner): Delete.
26170	(addsi3_compare0_scratch_for_combiner): Delete.
26171	(cmpsi_neg_shiftsi): Delete.
26172	(compare_negsi_si): New pattern.
26173	(cmpsi_negshiftsi_si): New pattern.
26174	(negated_cbranchsi4): Restrict to equality_operator.
26175
26176	* arm.md (movhi_insn_arch4): delete trailing white space from assembler
26177	template.
26178
261792005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
26180
26181	* cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
26182	Fix comment typos.
26183
26184	* doc/install.texi: Fix a typo.
26185
261862005-04-03  Steven Bosscher  <stevenb@suse.de>
26187
26188	PR middle-end/20648
26189	* bb-reorder.c (duplicate_computed_gotos): Do not unfactor
26190	a computed goto if the edge to the computed goto block has
26191	incoming abnormal edges.  Clarify how the function works.
26192
261932005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
26194
26195	* params.c (set_param_value): Use gcc_assert & gcc_unreachable.
26196	* passes.c (open_dump_file, rest_of_handle_final): Likewise.
26197	* postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
26198	hash_scan_set, reg_set_between_after_reload_p,
26199	reg_used_between_after_reload_p, get_avail_load_store_reg,
26200	eliminate_partially_redundant_load): Likewise.
26201	* postreload.c (reload_cse_simplify_set,
26202	reload_combine_note_use): Likewise.
26203	* predict.c (predict_insn, expected_value_to_br_prob,
26204	propagate_freq, expensive_function_p): Likewise.
26205	* print-rtl.c (print_rtx): Likewise.
26206	* profile.c (instrument_edges, instrument_values,
26207	compute_branch_probabilities, branch_prob, union_groups,
26208	tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
26209	* protoize.c (in_system_include_dir, file_could_be_converted,
26210	file_normally_convertible, gen_aux_info_file, seek_to_line,
26211	do_cleaning): Likewise.
26212	* tree-ssa-alias.c (collect_points_to_info_r): Likewise.
26213	* tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
26214	* tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
26215
262162005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
26217
26218	* cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
26219	* modulo-sched.c (undo_replace_buff_elem): New structure.
26220	(kernel_number_of_cycles, ps_unschedule_node,
26221	undo_generate_reg_moves,free_undo_replace_buff,
26222	undo_permute_partial_schedule,	loop_single_full_bb_p,
26223	SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
26224	build_loops_structure, get_sched_window): New.
26225	(generate_reg_moves): Return undo_replace_buff_elem and other
26226	fixes.
26227	(generate_prolog_epilog): Remove old loop versioning.
26228	(sms_schedule): Use loop information and loop_version.
26229	(sms_schedule_by_order): Split part of it to get_sched_window.
26230	* passes.c (rest_of_handle_sms): call cfg_layout_initialize
26231	cfg_layout_finalize and free_dominance_info before/after SMS.
26232
262332005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
26234
26235	* cfghooks.c (lv_flush_pending_stmts,
26236	cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
26237	lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
26238	* cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
26239	lv_add_condition_to_bb,
26240	lv_adjust_loop_header_phi, extract_cond_bb_edges,
26241	flush_pending_stmts): New in cfg_hooks structure.
26242	(cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
26243	extract_cond_bb_edges, lv_adjust_loop_header_phi,
26244	lv_add_condition_to_bb): New declarations.
26245	* cfgloop.h (duplicate_loop_to_header_edge): Change return type to
26246	bool.
26247	(loop_version): Declare.
26248	* cfgloopmanip.c (cfghooks.h): Include.
26249	(duplicate_loop_to_header_edge): Change return type to bool.
26250	(loop_version, lv_adjust_loop_entry_edge): Move here.
26251	* cfgrtl.c (cfgloop.h): Include.
26252	(rtl_verify_flow_info_1): Fix.
26253	(rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
26254	(rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
26255	initialization.
26256	* tree-cfg.c (tree_lv_adjust_loop_header_phi,
26257	tree_lv_add_condition_to_bb): New.
26258	(tree_cfg_hooks): Add new hooks to initialization.
26259	* tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
26260	lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
26261
262622005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
26263
26264	* config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
26265	xstormy16_below100_or_register,
26266	xstormy16_splittable_below100_or_register, and
26267	nonimmediate_nonstack_operand.
26268
26269	* config/stormy16/stormy16-protos.h: Remove the prototypes for
26270	xstormy16_ineqsi_operator, equality_operator,
26271	inequality_operator, shift_operator,
26272	xstormy16_below100_operand, xstormy16_below100_or_register,
26273	xstormy16_splittable_below100_or_register,
26274	xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
26275	* config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
26276	equality_operator, inequality_operator,
26277	xstormy16_below100_operand, xstormy16_below100_or_register,
26278	xstormy16_splittable_below100_or_register,
26279	xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
26280	nonimmediate_nonstack_operand, shift_operator): Move to
26281	predicates.md.
26282	* config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
26283	* config/stormy16/stormy16.md: Include predicates.md.
26284	* config/stormy16/predicates.md: New.
26285
262862005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
26287
26288	* config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
26289	small_int, large_int, reg_or_0_operand, simple_memory_operand,
26290	equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
26291	move_operand, power_of_2_operand): Move to predicates.md.
26292	* config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
26293	PREDICATE_CODE): Remove.
26294	* config/iq2000/iq2000.md: Include predicates.md.
26295	* config/iq2000/predicates.md: New.
26296
262972005-04-02  Richard Sandiford  <rsandifo@redhat.com>
26298
26299	* config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
26300	(MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
26301	(MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
26302	(TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
26303	(TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
26304	(TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
26305	(SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
26306	(m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
26307	(TARGET_M68HC11): Delete.
26308	(TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
26309	* config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
26310	* config/m68hc11/m68hc11.c (m68hc11_regparm_string)
26311	(m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
26312	(nb_soft_regs): Delete.
26313	(TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
26314	(m68hc11_override_options): Remove the code that caters for MASK_M6811
26315	and MASK_M6812 being set simultaneously.  Change the code that sets
26316	the default m68hc11_soft_reg_count to use integers instead of strings.
26317	(m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
26318	m68hc11_soft_reg_count (which now has an int type) as the number
26319	of soft registers.
26320	* config/m68hc11/m68hc11.opt: New file.
26321
263222005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
26323
26324	* config/fr30/fr30.h (PREDICATE_CODES): Remove
26325	fp_displacement_operand, sp_displacement_operand.
26326
26327	* config/m68hc11/m68hc11-protos.h: Add a prototype for
26328	m68hcc_auto_inc_p.
26329	Remove the prototypes for tst_operand, cmp_operand,
26330	stack_register_operand, d_register_operand,
26331	hard_addr_reg_operand, splitable_operand,
26332	m68hc11_logical_operator, m68hc11_arith_operator,
26333	m68hc11_non_shift_operator, m68hc11_shift_operator,
26334	m68hc11_unary_operator, m68hc11_eq_compare_operator,
26335	non_push_operand, hard_reg_operand, and
26336	reg_or_some_mem_operand.
26337	* config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
26338	extern.
26339	(tst_operand, cmp_operand, non_push_operand,
26340	splitable_operand, reg_or_some_mem_operand,
26341	stack_register_operand, d_register_operand,
26342	hard_addr_reg_operand, hard_reg_operand,
26343	m68hc11_eq_compare_operator, m68hc11_logical_operator,
26344	m68hc11_arith_operator, m68hc11_non_shift_operator,
26345	m68hc11_shift_operator, m68hc11_unary_operator): Move to
26346	predicates.md.
26347	* config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
26348	* config/m68hc11/m68hc11.md: Include predicates.md.
26349	* config/m68hc11/predicates.md: New.
26350
263512005-04-02  Alexandre Oliva  <aoliva@redhat.com>
26352
26353	PR debug/19345
26354	* dwarf2out.c (add_abstract_origin_attribute): Revert accidental
26355	change checked in along with 2005-03-03's patch for debug/20253.
26356	* tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
26357	(remap_decl): Insert type decl in map earlier.
26358
263592005-04-02  Alexandre Oliva  <aoliva@redhat.com>
26360
26361	PR tree-optimization/20640
26362	* tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
26363	post-dominator if it has phi nodes.
26364	(eliminate_unnecessary_stmts): Remove dead phis in all blocks
26365	before dead statements.
26366
263672005-04-02  Alexandre Oliva  <aoliva@redhat.com>
26368
26369	PR middle-end/20491
26370	* final.c (alter_subreg): Don't call subreg_regno for a non-REG.
26371
263722005-04-02  Alexandre Oliva  <aoliva@redhat.com>
26373
26374	PR rtl-optimization/20290
26375	* loop.c (for_each_insn_in_loop): Don't assume the loop body runs
26376	in every iteration if the entry point is the exit test.
26377
263782005-04-02  Hans-Peter Nilsson  <hp@axis.com>
26379
26380	* config/cris/cris.md (attribute "length"): Define.
26381
263822005-04-02  Geoffrey Keating  <geoffk@apple.com>
26383
26384	* config/rs6000/predicates.md (indexed_or_indirect_operand): New.
26385	(word_offset_memref_operand): New.
26386	* config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
26387	(indexed_or_indirect_operand): Delete.
26388	* config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
26389	(indexed_or_indirect_operand): Delete.
26390
26391	* config/rs6000/t-darwin8: Comment out ppc64 multilib.
26392
26393	PR 20650
26394	* config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
26395	a register.
26396
26397	* config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
26398	* config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
26399
264002005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
26401
26402	* config/vax/vax.md: Spellcheck, fix whitespace.
26403
264042005-04-01  Ian Lance Taylor  <ian@airs.com>
26405
26406	* gcc.c: Don't include <sys/resource.h> or declare getrusage.
26407	(rus, prus): Remove static variables.
26408	(execute): Use pex_run/pex_get_status rather than pexecute/pwait.
26409	(process_command): Permit report_times and use_pipes together.
26410
264112005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
26412
26413	* c-decl.c (validate_proto_after_old_defn): Look at
26414	TYPE_MAIN_VARIANT of argument types.
26415
264162005-04-01  Paul Brook  <paul@codesourcery.com>
26417
26418	* config/arm/arm.c (thumb_call_via_label): Include space for SP.
26419	(arm_output_function_epilogue): Allow call_via_SP.
26420	(thumb_call_via_reg, arm_file_end): Ditto.
26421	* config/arm/arm.h (struct machine_function): Include space for SP.
26422	(thumb_call_via_label): Update declaration.
26423
264242005-04-01  Ian Lance Taylor  <ian@airs.com>
26425
26426	* final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
26427	doing a peephole optimization, once again put any notes in the
26428	proper position.
26429
264302005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
26431
26432	* bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
26433
264342005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
26435
26436	* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
26437	(block_alloc, find_free_reg): Likewise.
26438	* loop-doloop.c (doloop_modify): Likewise.
26439	* loop-invariant.c (record_use): Likewise.
26440	* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
26441	get_iv_value, canon_condition, eliminate_implied_condition,
26442	eliminate_implied_condition, simplify_using_initial_values,
26443	shorten_into_mode, canonicalize_iv_subregs,
26444	iv_number_of_iterations): Likewise.
26445	* loop-unroll.c (expand_var_during_unrolling): Likewise.
26446	* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
26447	unswitch_loop): Likewise.
26448	* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
26449	move_movables, replace_call_address, find_and_verify_loops,
26450	rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
26451	record_giv, final_giv_value, general_induction_var,
26452	simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
26453	loop_giv_dump): Likewise.
26454
26455	* gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
26456	GCOV_CHECK_WRITING): Remove.
26457	(gcov_position, gcov_rewrite): Use gcc_assert.
26458	* gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
26459	gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
26460	* libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
26461	gcc_assert.
26462
264632005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
26464
26465	* tree-inline.c: Fix a typo.
26466
264672005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
26468
26469	* configure.ac (enable-checking): Explicitly set all variables for
26470	collective switch values.  Alphabetize variables. Rename
26471	ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
26472	synonym for 'no'.
26473	* doc/install.texi (enable-checking): Update documentation.
26474	* configure: Rebuilt.
26475
264762005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
26477
26478	* tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
26479	possible.
26480
264812005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
26482
26483	* arm.c (adjacent_mem_locations): Reject volatile memory refs.
26484	Also reject cases where this pattern will cause load delay stalls
26485	unless optimizing for size and it will produce a shorter sequence.
26486	* arm.md (arith_adjacent_mem): Make better use of ldm addressing
26487	variants to avoid pre-adjusting the base when possible.
26488
264892005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
26490
26491	* arm.md (minmax_arithsi): Reject all eliminable registers, not just
26492	the frame and argument pointers.
26493	(strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
26494	(loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
26495	(strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
26496	(strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
26497	(loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
26498	(loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
26499
265002005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
26501
26502	* config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
26503	with entry for selectany attribute.
26504	* config/i386/i386-protos.h (ix86_handle_selectany_attribute):
26505	Declare.
26506	* config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
26507	(i386_pe_asm_named_section): Handle sections generated by
26508	selectany attribute.
26509	* doc/extend.texi (selectany): Document attribute.
26510
265112005-04-01  Paolo Bonzini  <bonzini@gnu.org>
26512	    Jan Hubicka  <jh@suse.cz>
26513
26514	* config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
26515	to fix addresses involving EBP and ESP.
26516	(aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
26517	for SUBREGed registers.
26518	(legitimate_address_p): Accept SUBREGed registers.
26519
265202005-04-01  Jakub Jelinek  <jakub@redhat.com>
26521
26522	PR c++/19406
26523	* dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
26524	(dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
26525	for FIELD_DECLs.
26526
265272005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
26528
26529	* doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
26530
265312005-04-01  James E Wilson  <wilson@specifixinc.com>
26532
26533	PR c++/20505
26534	* dwarf2out.c (rtl_for_decl_init): New function.
26535	(rtl_for_decl_location): Extracted from here.
26536	(tree_add_const_value_attribute): Call rtl_for_decl_init and
26537	add_const_value_attribute.  Delete initializer_constant_valid_p call.
26538
265392005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
26540
26541	* cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
26542	lambda-code.c, loop.c, machmode.def, mips-tfile.c,
26543	modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
26544	tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
26545	config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
26546	config/i386/i386.md, config/rs6000/predicates.md,
26547	config/rs6000/rs6000.c, config/s390/fixdfdi.h,
26548	config/s390/s390.c, config/stormy16/stormy16.c,
26549	config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
26550	typos.
26551
265522005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
26553
26554	PR c/17855
26555	* gimplify.c (gimplify_expr): Create a temporary for lvalue
26556	COND_EXPR and CALL_EXPR.
26557
265582005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
26559
26560	PR target/20632
26561	* genautomata.c (first_cycle_unit_presence): Check all alternative
26562	states for unit presence.
26563
26564	* doc/md.texi: Remove remark about impossibility to query unit
26565	presence in non nondeterministic automaton state.
26566
26567	* config/ia64/ia64.c (get_template): Change order of unit querying.
26568
265692005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
26570
26571	* tree-ssa-dom.c (cprop_into_successor_phis): Remove an
26572	obsolete comment.
26573
265742005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
26575
26576	* cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
26577	flag for edges outside any loops.
26578
265792005-03-31  Janis Johnson  <janis187@us.ibm.com>
26580
26581	* doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
26582
265832005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
26584
26585	* tree-ssa-alias.c: Follow spelling conventions.
26586	* doc/tree-ssa.texi: Fix a typo.
26587
265882005-03-31  J"orn Rennecke <joern.rennecke@st.com>
26589
26590	* postreload-gcse.c: Include target.h.
26591	(gcse_after_reload_main): Return early if we cannot modify jumps.
26592	* Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
26593
265942005-03-31  David Edelsohn  <edelsohn@gnu.org>
26595
26596	* tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
26597	expensive operations.
26598
265992005-03-31  Ian Lance Taylor  <ian@airs.com>
26600
26601	* collect2.c (lderrout): New variable.
26602	(collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
26603	if it is set, to stderr.
26604	(handler): Unlink lderrout if it is set.
26605	(dump_file): Add "to" parameter.  Change all callers.
26606	(main): Initialize lderrout.
26607	(collect_execute): Add errname parameter.  Change all callers.
26608	Rename redir parameter to outname.  Never pass
26609	PEX_STDERR_TO_STDOUT to pex_run.
26610	* collect2.h (collect_execute, dump_file): Update declarations.
26611	* tlink.c (tlink_execute): Add errname parameter.  Change all
26612	callers.
26613	(do_tlink): Check lderrout as well as ldout.
26614
266152005-03-31  Caroline Tice  <ctice@apple.com>
26616
26617	* Makefile.in (varasm.o): Add basic-block.h to list of requirements.
26618	(bb-reorder.o): Add errors.h to list of requirements.
26619	(STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
26620	profiledbootstrap flags.
26621	* bb-reorder.c (errors.h): Add new include.
26622	(struct bbro_basic_block_data_def): Add new field, in_trace.
26623	(add_unlikely_executed_notes): Remove function.
26624	(mark_bb_for_unlikely_executed_section): Remove function.
26625	(insert_section_boundary_note): New function.
26626	(verify_hot_cold_block_grouping): New function.
26627	(push_to_next_round_p): Remove variables and tests that push all
26628	cold blocks to last round.
26629	(find_traces): Remove code that added extra round of trace finding
26630	when doing partitioning.
26631	(find_traces_1_round) : Remove variable last_round;  add code to
26632	update new struct field, in_trace; correct trace_length where it was
26633	incorrect before (after call to copy_bb); change code that pushed all
26634	cold blocks to last round. Instead verify that all blocks going into
26635	a trace belong in the same partition.
26636	(connect_traces): Modify to connect the traces in two passes, if the
26637	function contains both hot and cold blocks.  The first pass connects
26638	all the traces for blocks in the partition that the first block in
26639	the function belongs to; the second pass connnects all the traces
26640	containing blocks that belong in the other partition.
26641	(find_rarely_executed_basic_blocks_and_crossing_edges): Remove
26642	code that automatically put the first block in a function into the
26643	hot partition if the function had any hot blocks.
26644	(fix_crossing_unconditional_branches): Check number of succ edges
26645	before attempting to get one.
26646	(fix_edges_for_rarely_executed_code): Update comment describing
26647	function.
26648	(reorder_basic_blocks): Add code to initialize new field (in_trace);
26649	remove call to add_unlikely_executed_notes; add call to
26650	verify_hot_cold_block_grouping.
26651	(duplicate_computed_gotos): Don't change computed goto if it's a
26652	crossing edge.
26653	(partition_hot_cold_basic_blocks): Update function comment.
26654	* cfgcleanup.c (try_simplify_condjump): Remove redundacy from
26655	condition.
26656	(try_forward_edges): Likewise.
26657	(merge_blocks_move_predecessor_nojumps): Likewise.
26658	(merge_blocks_move_successor_nojumps): Likewise.
26659	(merge_blocks_move): Likewise.
26660	(try_crossjump_bb): Likewise.
26661	* cfglayout.c (update_unlikely_executed_notes): Remove function.
26662	(fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
26663	notes to cold bb's; remove call to update_unlikely_executed_notes.
26664	(duplicate_insn_chain): change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
26665	NOTE_INSN_SWITCH_TEXT_SECTIONS.
26666	* cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
26667	function declaration.
26668	* cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
26669	from consideration.
26670	(rtl_can_merge_blocks): Remove redundancy from condition.
26671	(try_redirect_by_replacing_jump): Likewise.
26672	(force_nonfallthru_and_redirect): Remove code for adding
26673	UNLIKELY_EXECUTED_CODE notes to cold bb's.
26674	(commit_one_edge_insertion): Likewise.
26675	(cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
26676	* dbxout.c (FORCE_TEXT): Replace function_section with
26677	current_function_section.
26678	(struct dbx_debug_h): Add do_nothing function for new debug_hooks
26679	function, switch_text_section.
26680	(struct xcoff_debug): Likewise.
26681	(dbxout_function_end): Add code to put out label diffs for both
26682	hot and cold sections.
26683	* debug.c (struct do_nothing_debug_hooks): Add do_nothing function
26684	for new debug_hooks funciton, switch_text_section..
26685	* debug.h (struct gcc_debug_hooks): Add new function to debug_hooks,
26686	switch_text_section.
26687	* dwarf2out.c (struct dw_fde_struct): Add five new fields:
26688	dw_fde_hot_section_label, dw_fde_hot_section_end_label,
26689	dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
26690	dw_fde_switched_sections.
26691	(output_call_frame_info): Add test to see if function switches text
26692	sections in the middle; if so, use appropriate extra hot and cold
26693	section labels to compute size deltas for the hot and cold sections.
26694	(dwarf2out_begin_prologue): Add code to initialize new fields in
26695	dw_fde_struct.
26696	(dwarf2out_switch_text_section): New function (invoked through
26697	debug_hook); updates new fields in dw_fde_struct appropriately and
26698	increments separate_line_info_table_in_use.
26699	(dwarf2_debug_hooks): Initialize switch_text_section function to be
26700	dwarf2out_switch_text_section.
26701	(struct var_loc_node): Add new field, section_label.
26702	(output_aranges): Add code to check whether in hot or cold section and
26703	use the appropriate label in calculating deltas.
26704	(output_ranges): Likewise.
26705	(output_line_info): Add code to check which section we're in and
26706	use appropriate hot/cold label.
26707	(add_location_or_constant_value_attribute): Likewise.
26708	(gen_subprogam_die): Modify arange attributes to use correct labels.
26709	(dwarf2out_begin_block): Change call to function_section into call to
26710	current_function_section.
26711	(dwarf2out_end_block): Likewise.
26712	(dwarf2out_source_line): Likewise.
26713	(dwarf2out_var_location): Add code to check whether in hot or cold
26714	section and use the appropriate label.
26715	* except.c (output_function_exception_table): Change call to
26716	function_section into call to current_function_section.
26717	* final.c (profile_function): Likewise.
26718	(scan_ahead_for_unlikely_executed_note): Remove function.
26719	(final_scan_insn): Remove calls to
26720	scan_ahead_for_unlikely_executed_note, and related code for switching
26721	to cold section, except for the single time
26722	NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
26723	debug_hooks->switch_text_sections; replace appropriate calls to
26724	function_section with calls to current_function_section.
26725	* ifcvt.c (find_if_case_1): Remove redundancy from condition, add
26726	test_bb to condition.
26727	(find_if_case_2): Likewise.
26728	* insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
26729	NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
26730	* opts.c (decode_options): Change warning about hot/cold partitioning
26731	with exceptionss to inform (so as not to cause bootstrap failures);
26732	remove warning about partitioning with DWARF debug info.
26733	* output.h (current_function_section): Add new function decl.
26734	(insert_section_boundary_note): Likewise.
26735	(enum in_section): Move this declaration here from varasm.c.
26736	(unlikely_section_label): Likewise.
26737	(unlikely_text_section_name): Likewise.
26738	(last_text_section_name): New global variable.
26739	(last_text_section): Likewise.
26740	(hot_section_label): Likewise.
26741	(hot_section_end_label): Likewise.
26742	(cold_section_end_label): Likewise.
26743	* passes.c (rest_of_handle_final): Free unlikely_text_section_name.
26744	* print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
26745	to NOTE_INSN_SWITCH_TEXT_SECTIONS.
26746	* reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
26747	insn from consideration.
26748	* sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
26749	switch_text_section.
26750	* varasm.c (basic-block.h): Add new include.
26751	(unlikely_section_label_printed): Remove global variable.
26752	(unlikely_section_label): Make global variable not be static any more.
26753	(unlikely_text_section_name): Likewise.
26754	(hot_section_end_label): New global variable (not static)
26755	(first_function_block_is_cold): Likewise.
26756	(hot_section_label): Likewise.
26757	(cold_section_end_label): Likewise..
26758	(last_text_section): New global variable, not static.
26759	(last_text_section_name): New global variable, not static.
26760	(initialize_cold_section_name): New function.
26761	(enum in_section): Move declaration to output.h.
26762	(text_section): Update last_text_section.
26763	(unlikely_text_section): Replace code to determine cold section name
26764	with call to initialize_cold_section_name; Add code to update
26765	last_text_section; remove code for printing out label.
26766	(named_section_real): Add code to update last_text_section and
26767	last_text_section_name as appropriate.
26768	(function_section): Change test for 'unlikely' to depend on
26769	first_function_block_is_cold (moved old test to
26770	current_function_section).
26771	(current_function_section): New function.
26772	(assemble_start_function): Move code that frees
26773	unlikely_text_section_name; initialize hot_section_end_label;
26774	print hot and cold section labels at the start of the function;
26775	set first_function_block_is_cold, if appropriate; initialize l
26776	ast_text_section; add call to insert_section_boundary_note.
26777	(assemble_end_function): Add code to write out hot and cold section
26778	end labels.
26779	*vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
26780	switch_text_section.
26781	* config/darwin.c (machopic_select_section): Replace incorrect
26782	function in base_funs; update reloc for cold sections if necessary.
26783	* config/darwin.h (SECTION_FUNCTION): Add code to update
26784	last_text_section if appropriate.
26785	(text_unlikely_section): Remove.
26786	* config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
26787	* config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
26788	* config/xtensa/xtensa.c (override_options): Turn off hot/cold
26789	partitioning for this architecture.
26790
267912005-03-31  Olivier Hainque  <hainque@adacore.com>
26792
26793	* dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
26794	defined and non-zero.
26795
267962005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
26797
26798	PR c++/18644
26799	* doc/invoke.texi (-Wsynth): Don't document, as it now is void of
26800	semantics.
26801
268022005-03-31  Alan Modra  <amodra@bigpond.net.au>
26803
26804	PR target/20611
26805	* config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
26806	label operand.  Remove (use (unspec..)).  Don't emit a label on
26807	the offset word.
26808	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
26809	generate inline label for load_toc_v4_PIC_1b.
26810	(rs6000_emit_load_toc_table): Likewise.
26811
268122005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
26813
26814	* config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
26815	ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
26816
268172005-03-29  Devang Patel  <dpatel@apple.com>
26818
26819	* tree-sra.c (decide_block_copy): Disable scalarization of
26820	sub-elements.
26821
268222005-03-30  Stuart Hastings  <stuart@apple.com>
26823	    Dale Johannesen  <dalej@apple.com>
26824
26825	* Makefile.in (print-tree.o): Depend on tree-iterator.h.
26826	* print-tree.c (print_node): Add case STATEMENT_LIST.
26827
268282005-03-31  Alan Modra  <amodra@bigpond.net.au>
26829
26830	* config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
26831	(powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
26832	(powerpc-*-linux*): Build a biarch compiler when --enable-targets
26833	is given with "powerpc64*" or "all", or when --with-cpu chooses
26834	a 64-bit cpu.
26835
268362005-03-30  James E. Wilson  <wilson@specifixinc.com>
26837
26838	PR debug/20268
26839	* dwarf2out.c (add_high_low_attributes): New function, extracted from
26840	gen_lexical_block_die.
26841	(gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
26842
268432005-03-31  Jan Hubicka  <jh@suse.cz>
26844
26845	2004-11-02  Jan Hubicka  <jh@suse.cz>
26846
26847	* cgraph.c (cgraph_varpool_node_name): New function.
26848	(dump_cgraph_varpool_node): New function.
26849	(dump_varpool): New function.
26850	* cgraphunit.c (cgraph_optimize): Dump varpool.
26851
26852	2004-10-16  Jan Hubicka  <jh@suse.cz>
26853
26854	* cgraph.c (decide_is_variable_needed): New function.
26855	(cgraph_varpool_finalize_decl): Use it.
26856	* cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
26857	unit-at-a-time.
26858	* final.c (output_addr_const): Do not call mark_referenced.
26859	* passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
26860	always go via cgraph.
26861	* toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
26862	(check_global_declarations): Ifdef out code clearing DECL_RTL.
26863	* tree-optimize.c (execute_inline): Mark functions called.
26864	* i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
26865
26866	2004-10-11  Jan Hubicka  <jh@suse.cz>
26867
26868	* cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
26869	(cgraph_varpool_last_needed_node): New static variable.
26870	(enqueue_needed_varpool_node): Break out from ...; add items to the
26871	end of queue; update first pointers.
26872	(cgraph_varpool_mark_needed_node): ... here.
26873	(cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
26874	(cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
26875	* cgraph.h (cgraph_varpool_node): Add analyzed field.
26876	(cgraph_varpool_first_unanalyzed_node): Declare.
26877	* cgraphunit.c: Include output.h.
26878	(cgraph_varpool_analyze_pending_decls): New function.
26879	(cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
26880	for errors, analyze pending decls.
26881	(cgraph_finalize_compilation_unit): Only analyze decls.
26882	(cgraph_optimize): Assemble the decls after expanding.
26883
268842005-03-30  Daniel Berlin  <dberlin@dberlin.org>
26885
26886	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
26887	subvars get marked properly in tags for grouping.
26888	(add_pointed_to_var): Mark only actual pointed to
26889	variables/subvars in addresses needed.
26890	(create_overlap_variables_for): Clear call clobbered on original
26891	variable.
26892	* tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
26893	addresable vars with subvars into list.
26894	* tree-ssa.c (verify_ssa_name): Verify original is not used where
26895	subvar should be.
26896
268972005-03-30  Richard Henderson  <rth@redhat.com>
26898
26899	* cgraph.h (struct cgraph_node): Add alias.
26900	* varasm.c (assemble_alias): Set it.
26901	* cgraphunit.c (cgraph_assemble_pending_functions): Check it and
26902	avoid calling cgraph_expand_function.
26903
269042005-03-30  Tom Tromey  <tromey@redhat.com>
26905
26906	* tree.def (FILE_TYPE): Removed.
26907	* typeclass.h (enum type_class): Removed file_type_class.
26908	* dwarf2out.c (is_base_type): Updated.
26909	(gen_type_die): Likewise.
26910	* dbxout.c (dbxout_type): Updated.
26911	* builtins.c (type_to_class): Updated.
26912	* tree.c (type_contains_placeholder_1): Updated.
26913	* config/sparc/sparc.c (sparc_type_code): Updated.
26914	* config/ia64/ia64.c (hfa_element_mode): Updated.
26915	* expr.c (count_type_elements): Updated.
26916	* stor-layout.c (layout_type): Updated.
26917	* tree-inline.c (remap_type): Updated.
26918	* tree-pretty-print.c (dump_generic_node): Updated.
26919
269202005-03-30 Fariborz Jahanian <fjahanian@apple.com>
26921
26922	* builtins.c (expand_builtin_powi): Fix mode of
26923	2nd argument to match int.
26924	* libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
26925	2nd argument type to int.
26926	* libgcc2.c: Change prototype of __powi* functions to use
26927	int.
26928
269292005-03-30  Dale Johannesen  <dalej@apple.com>
26930
26931	PR middle-end/19225
26932	* calls.c (expand_call): Flush pending deferrals before
26933	throwing call.
26934
269352005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
26936
26937	PR c/772
26938	PR c/17913
26939	* c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
26940	C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
26941	c_label_context, label_context_stack): New.
26942	* c-decl.c (define_label): Check for jumps into statement
26943	expressions.  Add label to list of defined labels.
26944	(start_function): Push context on label_context_stack.
26945	(finish_function): Pop context from label_context_stack.
26946	* c-typeck.c (label_context_stack): New.
26947	(c_finish_goto_label): Check for jumps into statement
26948	expressions.  Add label to list of jumped to labels.
26949	(struct c_switch): Add blocked_stmt_expr.
26950	(c_start_case): Initialize it.
26951	(do_case): Check it.
26952	(c_finish_case): Verify !blocked_stmt_expr.
26953	(c_begin_stmt_expr): Push context on label_context_stack.
26954	Increment blocked_stmt_expr.  Mark labels jumped to from outside
26955	as undefinable.
26956	(c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
26957	defined in the statement expression and no longer jumpable to.
26958	Mark labels jumped to from just outside the statement expression
26959	as again definable.  Pop context from label_context_stack.
26960	* doc/extend.texi (Statement Exprs): Update.
26961
269622005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
26963
26964	PR c/20368
26965	* c-decl.c (start_function): Check for old_decl being
26966	error_mark_node.
26967
269682005-03-30  Ian Lance Taylor  <ian@airs.com>
26969
26970	* final.c (final): Remove prescan parameter.  Change all callers.
26971	(final_scan_insn): Remove prescan parameter.  Change all callers.
26972
269732005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
26974
26975	* tree-vectorizer.c: Fix comment typos.
26976
269772005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
26978
26979	* tree-scalar-evolution.c (instantiate_parameters_1): Return
26980	as soon as a chrec_dont_know is detected.
26981
269822005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
26983
26984	Merge from csl-arm-branch.
26985	2004-02-12  Mark Mitchell  <mark@codesourcery.com>
26986
26987	* tlink.c (recompile_files): Do not assume that "rename" can
26988	overwrite an existing file.
26989
269902005-03-31  Paolo Bonzini  <bonzini@gnu.org>
26991
26992	* configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
26993	* configure: Regenerate.
26994
269952005-03-30  Alan Modra  <amodra@bigpond.net.au>
26996
26997	* doc/install.texi: Update binutils requirement for powerpc*-linux.
26998
26999	* config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
27000
27001	* calls.c (struct arg_data): Update "partial" comment.
27002	(load_register_parameters): Update "nregs" comment.
27003
270042005-03-30  Richard Sandiford  <rsandifo@redhat.com>
27005
27006	* config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
27007	(MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
27008	(TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
27009	(TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
27010	(TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
27011	(TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
27012	than target_flags & 0.
27013	* config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
27014	(iq2000_arch, iq2000_parse_cpu): Delete.
27015	(TARGET_HANDLE_OPTION): Override default.
27016	(iq2000_handle_option): New function.
27017	(override_options): Remove -march= and -mcpu= handling.
27018	* config/iq2000/iq2000.opt: New file.
27019
270202005-03-30  Richard Sandiford  <rsandifo@redhat.com>
27021
27022	* config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
27023	* config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
27024	(RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
27025	(RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
27026	(LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
27027	(PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
27028	(C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
27029	(TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
27030	(TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
27031	(TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
27032	(TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
27033	(TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
27034	(c4x_rpts_cycles_string, c4x_cpu_version_string)
27035	(TARGET_OPTIONS): Delete.
27036	(c4x_rpts_cycles, c4x_cpu_version): Declare.
27037	(TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
27038	(TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
27039	* config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
27040	(c4x_cpu_version_string): Delete.
27041	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
27042	(c4x_handle_option): New function.  Map -m3x and -m4x options to the
27043	equivalent -mcpu= option.
27044	(c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
27045	Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
27046	TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
27047	or clearing the appropriate MASK_* bit.
27048	(c4x_file_start): Use c4x_cpu_version.
27049	* config/c4x/c4x.opt: New file.
27050
270512005-03-30  Richard Sandiford  <rsandifo@redhat.com>
27052
27053	* doc/options.texi: Document the new MaskExists flag.
27054	* opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
27055	if the option has the MaskExists flag.
27056
270572005-03-30  Richard Sandiford  <rsandifo@redhat.com>
27058
27059	* opt-functions.awk (flag_set_p, test_flag): New functions.
27060	(switch_flags): Use them.
27061	* opth-gen.awk: Use flag_set_p to check for flags.
27062	* optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
27063
270642005-03-30  Ian Lance Taylor  <ian@airs.com>
27065
27066	* config.host (i[34567]86-*-mingw32*): Don't set
27067	host_can_use_collect2 to no.
27068
270692005-03-30  Alan Modra  <amodra@bigpond.net.au>
27070
27071	PR target/20203
27072	* builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
27073	Remove convert_memory_address call duplicating that in memory_address.
27074
270752005-03-29  Richard Henderson  <rth@redhat.com>
27076
27077	PR c/20519
27078	* c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
27079	(build_compound_literal): Likewise.  Propagate decl type into the
27080	initializer.
27081	(finish_decl): Likewise.  Use new return value from complete_array_type
27082	for zero sized arrays.
27083	(complete_array_type): Move ...
27084	* c-common.c (complete_array_type): ... here.  Change first argument
27085	to pointer-to-type-node.  Consistently use sizetype for the index
27086	except for zero sized arrays.  Detect zero sized arrays for pedantic
27087	mode diagnostics.  Create a new type node instead of modifying the
27088	old node in place.
27089	* c-tree.h (complete_array_type): Move decl ...
27090	* c-common.h (complete_array_type): ... here.
27091
270922005-03-29  Richard Henderson  <rth@redhat.com>
27093
27094	PR tree-opt/19108
27095	* tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
27096
270972005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
27098
27099	* builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
27100	debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
27101	rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
27102	tree-profile.c, tsystem.h, value-prof.h: Update copyright.
27103
271042005-03-29  Eric Christopher  <echristo@redhat.com>
27105
27106	* config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
27107	truthvalue conversion removal.
27108
271092005-03-29  Ian Lance Taylor  <ian@airs.com>
27110
27111	PR bootstrap/14316
27112	* collect2.c: Never include <vfork.h>.
27113	(VFORK_STRING, vfork): Don't define.
27114	(pid): Remove global variable.
27115	(handler): Call raise instead of kill (getpid(), ...).
27116	(collect_wait): Add pex parameter.  Change all callers.  Use
27117	pex_get_status rather than pwait.
27118	(do_wait): Add pex parameter.  Change all callers.
27119	(collect_execute): Return struct pex_obj * rather than void.  Use
27120	pex routines rather than pexecute.
27121	(fork_execute): Get pex_obj from collect_execute, and pass it to
27122	do_wait.
27123	(scan_prog_file): Use pex routines rather than pipe/vfork/exec.
27124	Only declare quit_handler if SIGQUIT is defined.
27125	(scan_libraries): Likewise.
27126	* collect2.h (collect_execute): Update declaration.
27127	(collect_wait): Update declaration.
27128	* tlink.c (tlink_execute): Get pex_obj from collect_execute, and
27129	pass it to collect_wait.
27130
271312005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
27132
27133	PR c/20672
27134	* c-parser.c (c_parser_compound_statement_nostart): Give error
27135	message for EOF instead of just setting parser->error.
27136
271372005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
27138
27139	* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
27140	(slpeel_update_phi_nodes_for_guard1): New function.
27141	(slpeel_update_phi_nodes_for_guard2): New function.
27142	(slpeel_tree_peel_loop_to_edge): Call above new functions instead
27143	of slpeel_update_phi_nodes_for_guard.
27144	(vectorize_loops): Remove call to loop_closed_rewrite.
27145	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
27146	assertion.
27147
271482005-03-29  Richard Sandiford  <rsandifo@redhat.com>
27149
27150	* config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
27151	(TARGET_LITTLE_ENDIAN): New macro.
27152	* config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
27153	(TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
27154	(TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
27155	(TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
27156	(TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
27157	(TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
27158	(TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
27159	(TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
27160	(m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
27161	(TARGET_OPTIONS): Delete.
27162	(M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
27163	(CACHE_FLUSH_TRAP): Turn into an integer.
27164	(TARGET_LITTLE_ENDIAN): Define to 0 by default.
27165	(INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
27166	-mflush-trap is in use.
27167	* config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
27168	(m32r_cache_flush_trap_string): Delete.
27169	(m32r_model) Initialize to M32R_MODEL_DEFAULT.
27170	(m32r_sdata): Likewise M32R_SDATA_DEFAULT.
27171	(m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
27172	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
27173	(m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
27174	-mmodel= and -msdata= handling from...
27175	(m32r_init): ...here.
27176	* config/m32r/m32r.opt: New file.
27177
271782005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
27179
27180	* tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
27181	(duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
27182	* tree-vect-analyze.c (vect_object_analysis): additional parm
27183	pass back a "struct ptr_info_def *" with the points-to info.
27184	(vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
27185	statement using info returned from vect_object_analysis.
27186	* tree-vect-transform.c (update_vuses_to_preheader): New function.
27187	(vect_create_data_ref_ptr): Remove updates to vars_to_rename
27188	for virtual uses and defs when creating a replacement vector
27189	reference.  Call duplicate_ssa_name_ptr_info to define points-to
27190	info for vector pointer replacement using STMT_VINFO_PTR_INFO.
27191	(vectorizable_store): copy_virtual_operands and update
27192	definition statements.
27193	(vectorizable_load): copy_virtual_operands.  Remove call to
27194	mark_call_clobbered_vars_to_rename for call to "const" builtin.
27195	* tree-vectorizer.c (vectorize_loops): Remove calls to
27196	rewrite_into_ssa and bitmap_clear (vars_to_rename).
27197	(new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
27198	* tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
27199	define macro STMT_VINFO_PTR_INFO for use in accessing.
27200	* tree.h add export of duplicate_ssa_name_ptr_info.
27201	* rs6000.c (altivec_init_builtins): Declare builtin function
27202	__builtin_altivec_mask_for_load to be "const".
27203
272042005-03-29  Jakub Jelinek  <jakub@redhat.com>
27205
27206	PR middle-end/20622
27207	* cgraph.h (struct cgraph_varpool_node): Add alias field.
27208	* cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
27209	assemble_variable on aliases.
27210	* varasm.c (assemble_alias): Set node->alias.
27211	* toplev.c (wrapup_global_declarations): Don't call
27212	rest_of_decl_compilation on aliases again.
27213
272142005-03-29  Paul Brook  <paul@codesourcery.com>
27215
27216	* config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
27217	* config/arm/arm.c (arm_dbx_register_number): New function.
27218	* config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
27219
272202005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
27221
27222	PR middle-end/20263
27223	* varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
27224	the DECL_NAME, not the DECL_ASSEMBLER_NAME.
27225
272262005-03-29  Dale Johannesen <dalej@apple.com>
27227
27228	* Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
27229	$(TREE_H) and $(COVERAGE_H).
27230	* coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
27231	* opts.c (common_handle_option): Enable tree-based value transforms.
27232	* toplev.c (process_options): Ditto.
27233	* value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
27234	refers to references to this type.
27235	* tree-flow.h: (struct stmt_ann_d): Add histograms field.
27236	* rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
27237	for may_be_more, may_be_less.
27238	(rtl_gen_pow2_profiler): Adjust.
27239	(rtl_gen_one_value_profiler_no_edge_manip): Adjust.
27240	(rtl_gen_one_value_profiler): Adjust.
27241	(rtl_gen_const_delta_profiler): Adjust.
27242	* tree-profile.c (tree_gen_interval_profiler): Implement.
27243	(tree_gen_pow2_profiler): Ditto.
27244	(tree_gen_one_value_profiler): Ditto.
27245	(tree_profiling): New.
27246	(pass_tree_profile): Reference it.
27247	* value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
27248	tree.h, gcov-io.h.
27249	(insn_divmod_values_to_profile): Rename to
27250	rtl_divmod_values_to_profile. Adjust.
27251	(insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
27252	(insn_prefetch_values_to_profile): Adjust.
27253	(rtl_value_profile_transformations): Adjust.
27254	(gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
27255	(gen_mod_pow2): Rename to rtl_mod_pow2.
27256	(gen_mod_subtract): Rename to rtl_mod_subtract.
27257	(divmod_fixed_value_transform): Rename to
27258	rtl_divmod_fixed_value_transform.
27259	(mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
27260	(mod_subtract_transform): Rename to rtl_mod_subtract_transform.
27261	(rtl_find_values_to_profile): Adjust.
27262	(tree_value_profile_transformations): Implement.
27263	(tree_divmod_values_to_profile): New.
27264	(tree_values_to_profile): New.
27265	(tree_divmod_fixed_value): New.
27266	(tree_mod_pow2): New.
27267	(tree_mod_subtract): New.
27268	(tree_divmod_fixed_value_transform): New.
27269	(tree_mod_pow2_value_transform): New.
27270	(tree_mod_subtract_transform): New.
27271	(tree_find_values_to_profile): Implement.
27272	* profile.c (instrument_values): Free histograms.
27273	(compute_value_histograms): Adjust. Implement tree version.
27274
272752005-03-29  Uros Bizjak  <uros@kss-loka.si>
27276
27277	* reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
27278	* config/i386/i386.c (output_fix_trunc): Add new round_mode
27279	variable.  Output "fldcw" depending on round_mode.
27280	* config/i386/i386.md (UNSPEC_FIST): New.
27281	(fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
27282	New isns patterns to implement lrint and llrint built-ins as x87
27283	intrinsic function.
27284	(fistdi2, fist<mode>2 splitters): New splitters.
27285	(lrint<mode>2): New expanders.
27286
272872005-03-28  Ian Lance Taylor  <ian@airs.com>
27288
27289	* config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
27290	0 when calling final_scan_insn.
27291
272922005-03-28  Jan Hubicka  <jh@suse.cz>
27293
27294	PR middle-end/20635
27295	* varasm.c (mark_decl_referenced): Do not mark extern inline functions
27296	as needed.
27297
27298	* tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
27299	types where possible.
27300
273012005-03-26  Per Bothner  <per@bothner.com>
27302
27303	Make -f[no-]show-column also control non-cpp diagnostics.
27304	* c.opt (fshow-column): Move option from here ...
27305	* common.opt (fshow-column): ... to here.
27306	* diagnostic.c (diagnostic_build_prefix): Only print column number
27307	if flag_show_column.
27308
273092005-03-27  Steven Bosscher  <stevenb@suse.de>
27310
27311	* vax-protos.h (vax_output_int_move, vax_output_int_add,
27312	vax_output_conditional_branch): New prototypes.
27313	* vax.c (vax_output_int_move, vax_output_int_add): New functions,
27314	extracted from vax.md mov and add patterns.
27315	(vax_output_conditional_branch): New function to output conditional
27316	branch instructions.
27317	* vax.md: Use mode macros for arithmetic and mov patterns.
27318	Use code macros for the jump patterns.
27319
273202005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
27321
27322	* Makefile.in (libbackend.o): Depend on version files;
27323	add custom generation command.
27324
273252005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
27326
27327	PR target/20636
27328	* config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
27329	sure that we have a REG before getting its REGNO.
27330
273312005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27332
27333	* builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
27334	* builtins.def (BUILT_IN_STRNDUP): New.
27335
273362005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
27337
27338	PR tree-optimization/20470
27339	* fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
27340	ABS(x-y).
27341
273422005-03-25  Mike Stump  <mrs@apple.com>
27343
27344	* config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
27345	sized objects.
27346
273472005-03-25  Geoffrey Keating  <geoffk@apple.com>
27348
27349	* config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
27350	Use our own structure definitions.
27351
27352	* config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
27353	(fix_truncdfsi2): Allow registers or memory as destination.
27354	When TARGET_PPC_GFXOPT, generate simplified pattern.
27355	(fix_truncdfsi2_internal): Use define_insn_and_split.
27356	(fix_truncdfsi2_internal_gfxopt): New.
27357	(fctiwz): Don't confuse register allocation by giving it no choices.
27358	(stfiwx): New.
27359	* config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
27360	(EXTRA_MEMORY_CONSTRAINT): Likewise.
27361	* config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
27362	* config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
27363
273642005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
27365
27366	* dominance.c (free_dominance_info): Speed up by freeing et
27367	data structures without maintaining other nodes.
27368	* et-forest.c (et_free_tree_force): New.
27369	* et-forest.h: Add a prototype for et_free_tree_force.
27370
27371	* tree.c (get_set_constructor_bits,
27372	get_set_constructor_bytes): Remove.
27373	* tree.h: Remove the corresponding prototypes.
27374
273752005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
27376
27377	PR target/15491
27378	* vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
27379	(vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
27380	FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
27381	PRE_DEC, NEG and NOT.
27382
273832005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
27384
27385	* fold-const.c: Convert uses of fold (build (...)) to
27386	fold_buildN.
27387
273882005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
27389
27390	PR rtl-optimization/20249
27391	* cse.c (insert_regs): Do not record equivalence of registers in
27392	different modes.
27393
273942005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
27395
27396	* emit-rtl.c (reverse_comparison): Remove.
27397	* rtl.h: Remove the corresponding prototype.
27398
273992005-03-24  James E Wilson  <wilson@specifixinc.com>
27400
27401	* doc/install.texi (--enable-altivec): Delete docs.
27402
274032005-03-24  David Edelsohn  <edelsohn@gnu.org>
27404
27405	* config/rs6000/predicates.md (easy_fp_constant): Return 0 for
27406	SFmode and DFmode before reload when
27407	flag_unsafe_math_optimizations not enabled.
27408
274092005-03-24  Geoffrey Keating  <geoffk@apple.com>
27410
27411	* c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
27412
27413	* config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
27414	MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
27415
274162005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
27417
27418	* configure.ac (enable-checking): Add 'runtime' option.
27419	* doc/install.texi (enable-checking): Document 'runtime' checking.
27420	* tsystem.h (gcc_assert, gcc_unreachable): Define.
27421	* config.in: Regenerated.
27422	* configure: Regenerated.
27423
274242005-03-23  Uros Bizjak  <uros@kss-loka.si>
27425
27426	* optabs.h (enum optab_index): Remove OTI_llrint.
27427	(llrint_optab): Remove macro.
27428	* optabs.c (init_optabs): Remove llrint_optab initialization.
27429	* genopinit.c (optabs): Remove llrint_optab implementation.
27430	* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
27431	using lrint_optab.
27432
274332005-03-24  Alexandre Oliva  <aoliva@redhat.com>
27434
27435	PR rtl-optimization/20532
27436	* simplify-rtx.c (simplify_binary_operation_1): Protect from
27437	overflow when adding coefficients for PLUS or MINUS.
27438	(simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
27439	two as multiplier.
27440
274412005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
27442
27443	* langhooks.h (truthvalue_conversion): Remove.
27444	* langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
27445	LANG_HOOKS_TRUTHVALUE_CONVERSION.
27446	* system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
27447	* gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
27448	* c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
27449
274502005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
27451
27452	* params.def: Fix a typo.
27453	* config/mips/mips.c: Follow the spelling convensions.
27454	* doc/invoke.texi: Fix typos.
27455
274562005-03-23  Daniel Berlin  <dberlin@dberlin.org>
27457
27458	Fix PR tree-optimization/20601
27459
27460	* tree-ssa-pre.c (insert_aux): Add missing condition to
27461	constification.
27462
274632005-03-23  Ian Lance Taylor  <ian@airs.com>
27464
27465	* final.c (final_scan_insn): Don't remove no-op instructions.
27466	* reload1.c (reload): Remove simple no-op instructions even when
27467	not optimizing.
27468
274692005-03-23  Dorit Naishlos  <dorit@il.ib.com>
27470
27471	PR tree-optimization/20501
27472	* tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
27473	reporting that peeling for alignment is applied moved to...
27474	* (vect_analyze_data_refs_alignment): Here.
27475
274762005-03-23  Ian Lance Taylor  <ian@airs.com>
27477
27478	* reorg.c (dbr_schedule): Remove #if 0 code to call final.
27479
274802005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
27481
27482	* config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
27483	Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
27484
274852005-03-23  Hans-Peter Nilsson  <hp@axis.com>
27486
27487	* doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
27488	imply that this is called once, independent of asms in code.
27489	Adjust to now being pased output and input lists.  Mention helper
27490	function decl_overlaps_hard_reg_set_p.
27491	* hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
27492	hook_tree_tree_identity and to take three trees, returning third.
27493	* hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
27494	prototype.
27495	* stmt.c: include hard-reg-set.h before tree.h.
27496	(decl_overlaps_hard_reg_set_p): New function, broken out from...
27497	(decl_conflicts_with_clobbers_p): Call
27498	decl_overlaps_hard_reg_set_p.
27499	(expand_asm_operands): Pass output and input lists in call to
27500	targetm.md_asm_clobbers.
27501	* target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
27502	hook_tree_tree_tree_tree_3rd_identity.
27503	* target.h (struct gcc_target.md_asm_clobbers): Take three tree
27504	parameters.
27505	* tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
27506	* config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
27507	parameters, first two unused.
27508	* config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
27509	parameters.  Only add MOF to clobbers if there's no 'h' mentioned
27510	in constraint letters and MOF is not mentioned as a asm-declared
27511	register in neither of the input and output lists.
27512
275132005-03-23  DJ Delorie  <dj@redhat.com>
27514
27515	* optabs.c (expand_binop): Make sure the first subword's result
27516	gets stored.
27517
275182005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
27519
27520	* c-common.c (c_common_truthvalue_conversion): Adjust comment.
27521	Call c_common_truthvalue_conversion rather than
27522	lang_hooks.truthvalue_conversion.
27523	* c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
27524	* c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
27525	c-typeck.c.
27526	* c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
27527	c_common_truthvalue_conversion.
27528	* c-parser.c (c_parser_paren_condition, c_parser_for_statement,
27529	c_parser_conditional_expression, c_parser_binary_expression): Call
27530	c_objc_common_truthvalue_conversion.
27531	* c-typeck.c (build_unary_op): Call
27532	c_objc_common_truthvalue_conversion.
27533	(build_conditional_expr): Do not call
27534	lang_hooks.truthvalue_conversion.
27535	(build_binary_op): Call c_common_truthvalue_conversion.
27536	(c_objc_common_truthvalue_conversion): Moved from
27537	c-objc-common.c.  Call default_function_array_conversion instead
27538	of default_conversion.
27539
275402005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
27541
27542	* c-common.h (default_conversion): Remove.
27543	(perform_integral_promotions): Add.
27544	* c-tree.h (default_conversion): Add.
27545	* c-typeck.c (perform_integral_promotions): New, split out from
27546	default_conversion.
27547	* c-common.c (check_case_value): Use perform_integral_promotions,
27548	not default_conversion.
27549	(c_add_case_label): Don't continue processing case label after
27550	found to be pointer.
27551
275522005-03-23  Mark Mitchell  <mark@codesourcery.com>
27553
27554	* gcc.c (do_spec_1): Do not add a -L path for a directory in
27555	the prefix list if we have already added a multilib directory
27556	based on that path.
27557	(main): Do not add MD_EXEC_PREFIX to the list of directories to
27558	search with -L.
27559
275602005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
27561
27562	* reload1.c (indirect_symref_ok, reload_obstack): Make them
27563	static.
27564	* reload.h: Remove the prototype for indirect_symref_ok.
27565
27566	* reload1.c (indirect_symref_ok): Make it global.
27567	* reload.h: Add a prototype for indirect_symref_ok.
27568
275692005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
27570
27571	* config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
27572	ashlhi3 expander.
27573
275742005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
27575
27576	* tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
27577
275782005-03-22  Daniel Berlin  <dberlin@dberlin.org>
27579
27580	* c-opts.c (c_common_parse_file): Only start/end main source file
27581	if debug hooks says the writer wants it.
27582	* dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
27583	member.
27584	(xcoff_debug_hooks): Ditto.
27585	* debug.c (do_nothing_hooks): Ditto.
27586	* debug.h (gcc_debug_hooks): Ditto.
27587	* dwarf2out.c (dwarf2_debug_hooks): Ditto.
27588	* sdbout.c (sdb_debug_hooks): Ditto.
27589	* vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
27590
275912005-03-22  Mark Mitchell  <mark@codesourcery.com>
27592
27593	* doc/extend.texi: Deprecate C++ min/max operators.
27594
275952005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
27596
27597	* tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
27598	artificial original candidates.
27599
276002005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
27601	    Jan Hubicka  <jh@suse.cz>
27602	    Steven Bosscher <stevenb@suse.de>
27603
27604	* cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
27605	call cost based on argument sizes.
27606	(cgraph_mark_inline_edge): Avoid inline unit from shrinking by
27607	inlining.
27608	* params.def: (max-inline-inssn-single): Set to 450.
27609	(max-inline-insns-auto): Set to 90.
27610	(max-inline-insns-recursive): Set to 450
27611	(max-inline-insns-recursive-auto): Set to 450.
27612	(large-function-insns): Set to 2700.
27613	(inline-call-cost): New parameter.
27614	* tree-inline.c (estimate_move_cost): New function.
27615	(estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
27616	for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
27617	based on arguments.
27618	* tree-inline.h (estimate_move_cost): Declare.
27619	* invoke.texi: (max-inline-inssn-single): Change default to 450.
27620	(max-inline-insns-auto): Change default to 90.
27621	(max-inline-insns-recursive): Change default to 450
27622	(max-inline-insns-recursive-auto): Change default to 450.
27623	(large-function-insns): Change default to 2700.
27624	(inline-call-cost): Document new parameter.
27625
276262005-03-22  Richard Sandiford  <rsandifo@redhat.com>
27627
27628	* config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
27629	(TARGET_DEFAULT): Delete.
27630	* config/i860/i860.opt: New file.
27631
276322005-03-22  Richard Sandiford  <rsandifo@redhat.com>
27633
27634	* config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
27635	(frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
27636	(frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
27637	(frv_sched_lookahead): Delete.
27638	* config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
27639	(target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
27640	(MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
27641	(MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
27642	(MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
27643	(MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
27644	(MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
27645	(MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
27646	(MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
27647	(TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
27648	(TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
27649	(TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
27650	(TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
27651	(TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
27652	(TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
27653	(TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
27654	(TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
27655	(TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
27656	(TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
27657	(TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
27658	(TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
27659	(DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
27660	* config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
27661	(frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
27662	(frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
27663	(frv_sched_lookahead): Delete.
27664	(MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
27665	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
27666	(frv_handle_option): New function.  Move -mcpu= handling from...
27667	(frv_override_options): ...here.  Remove handling of other
27668	TARGET_OPTIONS.
27669	(frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
27670	TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
27671	(frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
27672	and TARGET_NO_MULTI_CE.
27673	(frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
27674	!TARGET_VLIW_BRANCH.
27675	* config/frv/frv.opt: New file.
27676
276772005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
27678
27679	* fold-const.c (fold_ternary): Take decomposed arguments of
27680	CALL_EXPR.
27681	(fold): Update a call to fold_ternary.
27682
27683	* fold-const.c (fold_build1, fold_build2, fold_build3): New.
27684	* tree.h: Add corresponding prototypes.
27685
276862005-03-22  Jakub Jelinek  <jakub@redhat.com>
27687
27688	PR target/20561
27689	* cfglayout.c (reemit_insn_block_notes): Don't put block notes in
27690	between jump table and its label.
27691	* final.c (shorten_branches): Handle notes in between ADDR_VEC
27692	resp. ADDR_DIFF_VEC and the label preceeding it.
27693	(final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
27694	is emitted in the right section.
27695
276962005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
27697
27698	* fold-const.c (fold_unary, fold_binary): Update comments
27699	about arguments.
27700
277012005-03-22  Hans-Peter Nilsson  <hp@axis.com>
27702
27703	PR rtl-optimization/20527
27704	* combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
27705	REG_INC note, test that the register also isn't mentioned in PRED
27706	or SUCC.
27707
277082005-03-22  Ben Elliston  <bje@au.ibm.com>
27709
27710	* dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
27711	and definition.
27712
277132005-03-21  Mike Stump  <mrs@apple.com>
27714
27715	* varasm.c (default_assemble_visibility): Remove extra ().
27716
277172005-03-21  Roger Sayle  <roger@eyesopen.com>
27718
27719	PR middle-end/20557
27720	* bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
27721	to determine whether a block can be duplicated, rather than test
27722	whether the block contains noncopyable insns ourselves.
27723
277242005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
27725
27726	* config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
27727	predicates.
27728
277292005-03-21  Richard Sandiford  <rsandifo@redhat.com>
27730
27731	* config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
27732
277332005-03-21  Richard Sandiford  <rsandifo@redhat.com>
27734
27735	* config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
27736	(TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
27737	* config/fr30/fr30.opt: New file.
27738
277392005-03-18  Daniel Berlin  <dberlin@dberlin.org>
27740
27741	Fix PR tree-optimization/20542
27742
27743	* tree-flow-inline.h (overlap_subvar): Move to here.
27744	* tree-ssa-operands.c: From here.
27745	* tree-flow.h (overlap_subvar): Declare.
27746	* tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
27747	* tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
27748	for variables with subvars.
27749
277502005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
27751
27752	PR middle-end/20177
27753	* ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
27754	* modulo-sched.c (const_iteration_count): Return on NULL
27755	pre-header.
27756	(print_node_sched_params): Return on NULL dump_file.
27757	(generate_reg_moves): Handle reg-anti dependencies and disregard
27758	closing branch when generating register moves.
27759	(sms_schedule): Mark the SMSed block dirty.
27760	* passes.c (rest_of_handle_sms): Call update_life_info for all
27761	basic-blocks.
27762	* testsuite/gcc.dg/20050321-1.c: New test.
27763
277642005-03-21  Bob Wilson  <bob.wilson@acm.org>
27765
27766	* config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
27767	* config/xtensa/xtensa.md (movsi_internal, movhi_internal,
27768	movqi_internal): Likewise.
27769
277702005-03-21  Bob Wilson  <bob.wilson@acm.org>
27771
27772	* config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
27773	xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
27774	xtensa_b4const): Delete prototypes.
27775	(xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
27776	xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
27777	(xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
27778	xtensa_extra_constraint): New prototypes.
27779	(add_operand, arith_operand, nonimmed_operand, mem_operand,
27780	mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
27781	lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
27782	move_operand, const_float_1_operand, fpmem_offset_operand,
27783	branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
27784	* config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
27785	(xtensa_b4const_or_zero): ...this.  Change return type to bool and
27786	argument type to HOST_WIDE_INT.
27787	(xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
27788	xtensa_mask_immediate): Likewise.
27789	(xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
27790	Likewise.  Also make these functions static.
27791	(xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
27792	(xtensa_const_ok_for_letter_p): New.
27793	(add_operand, arith_operand, nonimmed_operand, mem_operand,
27794	mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
27795	lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
27796	move_operand, const_float_1_operand, fpmem_offset_operand,
27797	branch_operator, ubranch_operator, boolean_operator): Move to
27798	predicates.md.
27799	(smalloffset_mem_p): Inline code from xtensa_lsi4x4.
27800	(xtensa_mem_offset): Change return type to bool.
27801	(xtensa_extra_constraint): New.
27802	(gen_int_relational): Update type of const_range_p function pointer.
27803	Use xtensa_b4const_or_zero.
27804	* config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
27805	xtensa_const_ok_for_letter_p.  Update comments.
27806	(EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
27807	(PREDICATE_CODES): Delete.
27808	* config/xtensa/xtensa.md: Include predicates.md.
27809	* config/xtensa/predicates.md: New file.
27810
278112005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
27812
27813	* config/v850/v850-protos.h: Remove the prototypes for
27814	reg_or_int9_operand, reg_or_const_operand,
27815	pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
27816	reg_or_0_operand, reg_or_int5_operand, call_address_operand,
27817	movsi_source_operand, power_of_two_operand,
27818	not_power_of_two_operand, special_symbolref_operand,
27819	pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
27820	register_is_ok_for_epilogue.
27821	* config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
27822	reg_or_int9_operand, reg_or_const_operand,
27823	call_address_operand, special_symbolref_operand,
27824	movsi_source_operand, power_of_two_operand,
27825	not_power_of_two_operand, register_is_ok_for_epilogue,
27826	pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
27827	pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
27828	predicates.md.
27829	* config/v850/v850.h (PREDICATE_CODES): Remove.
27830	* config/v850/v850.md: Include predicates.md.
27831	* config/v850/predicates.md: New.
27832
278332005-03-21  Zack Weinberg  <zack@codesourcery.com>
27834
27835	* Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
27836	(BASEVER_c, DEVPHASE_c, DATESTAMP_c)
27837	(BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
27838	(itoolsdir, itoolsdatadir): Move definition above new first use.
27839	(install-itoolsdirs): New rule.
27840	(install-mkheaders): Depend on install-itoolsdirs, not
27841	install-include-dir.
27842
278432005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
27844
27845	* tree-into-ssa.c: Remove obsolete comments.
27846
278472005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
27848
27849	* tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
27850	unrolling if -fpeel-loops is specified, too.
27851	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
27852	Remove superfluous check for flag_unroll_loops.
27853
278542005-03-21  Uros Bizjak  <uros@kss-loka.si>
27855
27856	* optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
27857	(lrint_optab, llrint_optab): Define corresponding macros.
27858	* optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
27859	* genopinit.c (optabs): Implement lrint_optab using lrintsi2
27860	pattern and llrint_optab using llrintdi2 patterns.
27861	* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
27862	using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
27863	(expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
27864	BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
27865	flag_unsafe_math_optimizations is set.
27866
278672005-03-21  Paolo Bonzini  <bonzini@gnu.org>
27868
27869	* combine.c (combine_simplify_rtx, simplify_if_then_else,
27870	simplify_logical, if_then_else_cond, known_cond,
27871	simplify_comparison): Adjust calls to reverse_comparison.
27872	Don't use combine_reversed_comparison_code).
27873	(combine_reversed_comparison_code): Remove.
27874	(reversed_comparison): Using reversed_comparison_code, move it...
27875	* jump.c (reversed_comparison): ... here.
27876	* rtl.h (reversed_comparison): Add prototype.
27877
278782005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
27879
27880	* builtins.c (fold_builtin): Take decomposed arguments of
27881	CALL_EXPR.
27882	* fold-const.c (fold_ternary): Update a call to fold_builtin.
27883	* gimplify.c (gimplify_call_expr): Likewise.
27884	* tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
27885	* tree.h: Update the prototype of fold_builtin.
27886
278872005-03-21  Paolo Bonzini  <bonzini@gnu.org>
27888
27889	* rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
27890	* rtlhooks.c (gen_lowpart_no_emit_general): New.
27891	* rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
27892	(RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
27893	* simplify-rtx.c (simplify_binary_operation_1): Use it.
27894
278952005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
27896
27897	* builtins.c (fold_builtin_1): Take decomposed arguments of
27898	CALL_EXPR.
27899	(fold_builtin): Update a call to fold_builtin_1.
27900
279012005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
27902
27903	PR other/20564
27904	* gcov.c (output_lines): Only output function block summary when
27905	outputting branch information.
27906	* doc/gcov.texi: Document format of preamble and additional block
27907	information lines.
27908
279092005-03-21  Richard Sandiford  <rsandifo@redhat.com>
27910
27911	* libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
27912	(LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
27913	the defaults false if BITS_PER_UNIT != 8.
27914	(SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
27915	(__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
27916	than BITS_PER_UNIT != 8.
27917	(L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
27918	(L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
27919	(L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
27920	#undefs.
27921	* libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
27922	(__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
27923
279242005-03-20  Roger Sayle  <roger@eyesopen.com>
27925
27926	PR middle-end/20539
27927	* fold-const.c (fold_binary): Fix type mismatch between
27928	TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
27929	(fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
27930	for non-truth-valued expressions.
27931
27932	* c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
27933	and FUNCTION_DECL in the main switch.
27934	<TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
27935	TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
27936	we also need to convert their operands to match.
27937	<TRUTH_NOT_EXPR>: Likewise.
27938
279392005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
27940
27941	* c-common.c (lvalue_or_else): Replace by lvalue_error; only give
27942	diagnostic without checking whether an lvalue.
27943	* c-common.h (lvalue_p): Remove.
27944	(enum lvalue_use): Update comment.
27945	(lvalue_or_else): Replace by lvalue_error.
27946	* c-typeck.c (lvalue_p): Make static.
27947	(lvalue_or_else): New.  Call lvalue_error.
27948
279492005-03-21  Alan Modra  <amodra@bigpond.net.au>
27950
27951	* config/rs6000/rs6000.c (rs6000_parm_start): New function.
27952	(function_arg_advance): Use rs6000_parm_start.
27953	(function_arg, rs6000_arg_partial_bytes): Likewise.
27954
279552005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
27956
27957	* c-common.c (check_case_value): Adjust comment about stripping
27958	NOPs.
27959	(handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
27960	* c-typeck.c (default_conversion, convert_arguments,
27961	build_modify_expr, convert_for_assignment, store_init_value,
27962	digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
27963	manually.  Remove inaccurate comments.
27964
279652005-03-20  Roger Sayle  <roger@eyesopen.com>
27966	    Joseph S. Myers  <joseph@codesourcery.com>
27967
27968	* varasm.c (do_assemble_alias): Restore comment describing function.
27969	Annotate the target parameter as potentially unused.
27970
279712005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
27972
27973	PR target/18551
27974	* config/avr/avr.c (avr_output_function_prologue): Do not use
27975	current_function_name() in a label, use a local label instead.
27976
279772005-03-20  David Edelsohn  <edelsohn@gnu.org>
27978
27979	* config/rs6000/rs6000.c (rs6000_generate_compare): Test
27980	flag_finite_math_only, not flag_unsafe_math_optimizations.
27981
279822005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
27983
27984	* builtins.c (fold_builtin_1): Update a call to
27985	targetm.fold_builtin.
27986	* hooks.c (hook_tree_tree_bool_null): Rename to
27987	hook_tree_tree_tree_bool_null.  Take one more argument of type
27988	tree.
27989	* hooks.h: Update the prototype of hook_tree_tree_bool_null.
27990	* target-def.h (TARGET_FOLD_BUILTIN): Define it as
27991	hook_tree_tree_tree_bool_null.
27992	* target.h (gcc_target): Update the prototype of fold_builtin.
27993	* config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
27994	arguments of CALL_EXPR.
27995	* doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
27996	new prototype.
27997
279982005-03-20  Jan Hubicka  <jh@suse.cz>
27999
28000	* cgraph.h (cgraph_node): Add prev_clone pointer.
28001	* cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
28002	(cgraph_clone_node): Produce doubly linked chain.
28003
280042005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
28005
28006	* c-common.c (handle_aligned_attribute, check_function_sentinel,
28007	get_nonnull_operand, handle_sentinel_attribute,
28008	check_function_arguments_recurse): Do not strip NOPS from
28009	INTEGER_CSTs.
28010	* c-decl.c (check_bitfield_type_and_width, build_enumerator):
28011	Likewise.
28012	* c-format.c (get_constant): Likewise.
28013	* c-parser.c (c_parser_postfix_expression): Likewise.
28014	* c-typeck.c (set_init_index): Likewise.
28015	(convert_arguments): Don't check for NOP_EXPR containing integer
28016	constant.
28017
280182005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
28019
28020	* builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
28021	fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
28022	Take decomposed arguments of CALL_EXPR.
28023	(fold_builtin_1): Update calls to the functions mentioned
28024	above.
28025
280262005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
28027
28028	* c-decl.c (check_bitfield_type_and_width): Require bit-field
28029	width to have integer type.
28030	(build_enumerator): Require enumerator value to have integer type.
28031
280322005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
28033
28034	* doc/extend.texi (__builtin_inf): Move statement about INFINITY
28035	to __builtin_inff.
28036
280372005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
28038
28039	* c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
28040	std=iso9899:199x): Correct descriptions.
28041
280422005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
28043
28044	* config.gcc: Consistently use solaris2.1[0-9]* instead of
28045	solaris2.1[0-9].
28046
280472005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
28048
28049	* builtins.c (fold_builtin_memcpy): Take decomposed arguments
28050	of CALL_EXPR.
28051	(expand_builtin_memcpy, fold_builtin_1): Update calls to
28052	fold_builtin_memcpy.
28053
28054	* builtins.c (fold_trunc_transparent_mathfn): Take decomposed
28055	arguments of CALL_EXPR.
28056	(fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
28057	fold_builtin_found, fold_builtin_1): Update calls to
28058	fold_trunc_transparent_mathfn.
28059
280602005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28061
28062	PR middle-end/20493
28063	* fold-const.c (fold_widened_comparison): Don't optimize casts of
28064	function pointers on targets that require function pointer
28065	canonicalization.
28066	(fold_sign_changed_comparison): Likewise.
28067
280682005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
28069
28070	* combine.c (try_combine): When changing the mode of a hard reg, make
28071	sure that doing so is valid.
28072
280732005-03-19  Richard Sandiford  <rsandifo@redhat.com>
28074
28075	* config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
28076	(TARGET_HANDLE_OPTION): Override default.
28077	(avr_handle_option): New function.
28078	* config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
28079	(MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
28080	(MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
28081	(TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
28082	(TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
28083	(TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
28084	(TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
28085	(TARGET_OPTIONS): Delete.
28086	* config/avr/avr.opt: New file.
28087
280882005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28089
28090	* config/m32r/m32r-protos.h: Remove the prototypes for
28091	call_address_operand, symbolic_operand, seth_add3_operand,
28092	cmp_int16_operand, uint16_operand, reg_or_int16_operand,
28093	reg_or_uint16_operand, reg_or_cmp_int16_operand,
28094	two_insn_const_operand, move_src_operand,
28095	move_double_src_operand, move_dest_operand,
28096	eqne_comparison_operator, signed_comparison_operator,
28097	large_insn_p, conditional_move_operand, carry_compare_operand,
28098	m32r_block_immediate_operand, extend_operand,
28099	reg_or_eq_int16_operand, int8_operand, and
28100	reg_or_zero_operand.
28101	* config/m32r/m32r.c (call_address_operand, symbolic_operand,
28102	seth_add3_operand, int8_operand, cmp_int16_operand,
28103	uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
28104	reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
28105	reg_or_zero_operand, two_insn_const_operand, move_src_operand,
28106	move_double_src_operand, move_dest_operand,
28107	eqne_comparison_operator, signed_comparison_operator,
28108	extend_operand, small_insn_p, large_insn_p,
28109	conditional_move_operand, carry_compare_operand,
28110	m32r_block_immediate_operand): Move to predicates.md.
28111	(MAX_MOVE_BYTES): Move to m32r.h.
28112	* config/m32r/m32r.h (PREDICATE_CODES): Remove.
28113	* config/m32r/m32r.md: Include predicates.md.
28114	* config/m32r/predicates.md: New.
28115
281162005-03-18  James E Wilson  <wilson@specifixinc.com>
28117
28118	PR c++/19769
28119	* dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
28120	origin.
28121
281222005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28123
28124	* config/mn10300/mn10300-protos.h: Remove the prototypes for
28125	call_address_operand, const_8bit_operand.
28126	* config/mn10300/mn10300.c (call_address_operand,
28127	const_8bit_operand, const_1f_operand): Move to predicates.md.
28128	* config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
28129	* config/mn10300/mn10300.md: Include predicates.md.
28130	* config/mn10300/predicates.md: New.
28131
281322005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
28133
28134	* c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
28135	declarations in diagnostics and %E for identifiers, not %s.
28136
281372005-03-18  Jan Hubicka  <jh@suse.cz>
28138	    Dale Johannesen  <dalej@apple.com>
28139
28140	* basic-block.h (scale_bbs_frequencies_int,
28141	scale_bbs_frequencies_gcov_type): Declare.
28142	* cfg.c (RDIV): New macro.
28143	(update_bb_frequency_for_threading): Fix.
28144	* basic-block.h (scale_bbs_frequencies_int,
28145	scale_bbs_frequencies_gcov_type): New.
28146	* cfgloopmanip.c (scale_bbs_frequencies): Kill.
28147	(scale_loop_frequencies, duplicate_loop_to_header_edge): Use
28148	scale_bbs_frequencies_int.
28149	* tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
28150
281512005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28152
28153	* config/m32r/m32r-protos.h: Remove the prototypes for
28154	call_address_operand, symbolic_operand, seth_add3_operand,
28155	cmp_int16_operand, uint16_operand, reg_or_int16_operand,
28156	reg_or_uint16_operand, reg_or_cmp_int16_operand,
28157	two_insn_const_operand, move_src_operand,
28158	move_double_src_operand, move_dest_operand,
28159	eqne_comparison_operator, signed_comparison_operator,
28160	large_insn_p, conditional_move_operand, carry_compare_operand,
28161	m32r_block_immediate_operand, extend_operand,
28162	reg_or_eq_int16_operand, int8_operand, and
28163	reg_or_zero_operand.
28164	* config/m32r/m32r.c (call_address_operand, symbolic_operand,
28165	seth_add3_operand, int8_operand, cmp_int16_operand,
28166	uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
28167	reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
28168	reg_or_zero_operand, two_insn_const_operand, move_src_operand,
28169	move_double_src_operand, move_dest_operand,
28170	eqne_comparison_operator, signed_comparison_operator,
28171	extend_operand, small_insn_p, large_insn_p,
28172	conditional_move_operand, carry_compare_operand,
28173	m32r_block_immediate_operand): Move to predicates.md.
28174	(MAX_MOVE_BYTES): Move to m32r.h.
28175	* config/m32r/m32r.h (PREDICATE_CODES): Remove.
28176	* config/m32r/m32r.md: Include predicates.md.
28177	* config/m32r/predicates.md: New.
28178
28179	* config/pa/pa-protos.h: Add prototypes for magic_milli and
28180	shadd_constant_p.
28181	* config/pa/pa.c (reg_or_0_operand, call_operand_address,
28182	symbolic_operand, symbolic_memory_operand,
28183	reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
28184	indexed_memory_operand, move_dest_operand, move_src_operand,
28185	prefetch_cc_operand, prefetch_nocc_operand,
28186	reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
28187	arith_operand, arith11_operand, pre_cint_operand,
28188	post_cint_operan, arith_double_operand, ireg_or_int5_operand,
28189	ireg_operand, int5_operand, uint5_operand, int11_operand,
28190	uint32_operand, arith5_operand, and_operand, ior_operand,
28191	lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
28192	pc_or_label_operand, div_operand, plus_xor_ior_operator,
28193	shadd_operand, movb_comparison_operator,
28194	cmpib_comparison_operator): Move to predicates.md.
28195	(magic_milli, shadd_constant_p): Make it extern.
28196	* config/pa/pa.h (PREDICATE_CODES): Remove.
28197	* config/pa/pa.md: Include predicates.md.
28198	* config/pa/predicates.md: New.
28199
28200	* config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
28201	predicate.
28202
282032005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28204
28205	* hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
28206	config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
28207	config/alpha/freebsd.h, config/alpha/linux.h,
28208	config/alpha/netbsd.h, config/alpha/osf5.h,
28209	config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
28210	config/h8300/h8300-protos.h, config/h8300/h8300.c,
28211	config/h8300/h8300.h, config/ia64/unwind-ia64.c,
28212	doc/cppopts.texi: Update copyright.
28213
282142005-03-18  Jan Hubicka  <jh@suse.cz>
28215
28216	PR middle-end/20225
28217	* cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
28218	too late.
28219	* varasm.c (find_decl_and_mark_needed): Mark needed only when not
28220	called too late.
28221
282222005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28223
28224	* tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
28225	VEC_safe_push.
28226
282272005-03-18  Paolo Bonzini  <bonzini@gnu.org>
28228
28229	* combine.c (gen_binary): Remove.
28230	(known_cond, simplify_shift_const, find_split_point,
28231	combine_simplify_rtx, simplify_if_then_else, simplify_set,
28232	simplify_logical, expand_field_assignment, extract_left_shift,
28233	force_to_mode, if_then_else_cond, apply_distributive_law,
28234	simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
28235	simplify_comparison, reversed_comparison): Replace with
28236	simplify_gen_binary, simplify_gen_relational or
28237	distribute_and_simplify_rtx.
28238	(distribute_and_simplify_rtx): New function.
28239
282402005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
28241	    Paolo Bonzini  <gcc.gnu.org>
28242
28243	* calls.c (setjmp_call_p, special_function_p): Update comments
28244	at the head of the functions.
28245
282462005-03-18  Jan Hubicka  <jh@suse.cz>
28247
28248	* tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
28249
28250	* cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
28251	function body should be released; do not proactively release function
28252	bodies in non-unit-at-a-time mode.
28253
282542005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
28255
28256	* config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
28257	mno-fp-ret-in-387 multilib variants.
28258
282592005-03-18  Richard Sandiford  <rsandifo@redhat.com>
28260
28261	* common.opt (m): Remove.
28262	* opts.c (handle_option): Pass 'm' options to set_target_switch if
28263	table lookup fails.
28264	(common_handle_option): Remove OPT_m case.
28265
282662005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28267
28268	* builtins.c (fold_builtin_bitop): Take decomposed arguments
28269	of CALL_EXPR.
28270	(fold_builtin_1): Update a call to fold_builtin_bitop.
28271
28272	* builtins.c (fold_builtin_signbit): Take decomposed arguments
28273	of CALL_EXPR.
28274	(fold_builtin_1): Update a call to fold_builtin_signbit.
28275
282762005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
28277
28278	PR tree-optimization/20474
28279	* tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
28280	size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
28281
282822005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
28283
28284	* config/h8300/h8300-protos.h: Remove prototypes for
28285	general_operand_src, general_operand_dst, single_one_operand,
28286	single_zero_operand, call_insn_operand,
28287	two_insn_adds_subs_operand, small_call_insn_operand,
28288	jump_address_operand, bit_operand, bit_memory_operand,
28289	stack_pointer_operand, const_int_gt_2_operand,
28290	const_int_ge_8_operand, const_int_qi_operand,
28291	const_int_hi_operand, incdec_operand, bit_operator,
28292	nshift_operator, eqne_operator, gtle_operator,
28293	gtuleu_operator, iorxor_operator.
28294	Add prototypes for h8sx_shift_type h8sx_classify_shift and
28295	h8300_ldm_stm_parallel.
28296	* config/h8300/h8300.c (h8sx_shift_type,): Move to
28297	h8300-protos.h.
28298	(SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
28299	SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
28300	(h8300_ldm_stm_parallel): Make it extern.
28301	(h8300_ldm_parallel, h8300_stm_parallel,
28302	h8300_return_parallel, general_operand_src,
28303	general_operand_dst, h8300_dst_operand, h8300_src_operand,
28304	nibble_operand, reg_or_nibble_operand, single_one_operand,
28305	single_zero_operand, call_insn_operand,
28306	two_insn_adds_subs_operand, small_call_insn_operand,
28307	jump_address_operand, bit_operand, bit_memory_operand,
28308	stack_pointer_operand, const_int_gt_2_operand,
28309	const_int_ge_8_operand, const_int_qi_operand,
28310	const_int_hi_operand, incdec_operand, eqne_operator,
28311	gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
28312	h8sx_binary_memory_operator, h8sx_unary_memory_operator,
28313	h8sx_unary_shift_operator, h8sx_binary_shift_operator,
28314	nshift_operator): Move to predicates.md.
28315	* config/h8300/h8300.h (PREDICATE_CODES): Remove.
28316	* config/h8300/h8300.md: Include predicates.md.
28317	* config/h8300/predicates.md: New.
28318
283192005-03-17  Richard Henderson  <rth@redhat.com>
28320
28321	* config.gcc (ia64*-*-hpux*): Add extra_options.
28322	* config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
28323	(TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
28324	* config/ia64/ia64.c (ia64_fixed_range_string): Remove.
28325	(ia64_tls_size_string, ia64_tune_string): Remove.
28326	(ia64_tune): Init to PROCESSOR_ITANIUM2.
28327	(TARGET_DEFAULT_TARGET_FLAGS): New.
28328	(TARGET_HANDLE_OPTION): New.
28329	(ia64_override_options): Move options parsing ...
28330	(ia64_handle_option): ... here.  New.
28331	* config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
28332	MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
28333	MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
28334	MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
28335	MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
28336	MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
28337	MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
28338	TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
28339	TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
28340	TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
28341	TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
28342	TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
28343	TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
28344	TARGET_EARLY_STOP_BITS): Remove.
28345	(TARGET_ILP32): Default false.
28346	(TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
28347	(enum ia64_inline_type): New.
28348	(TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
28349	* config/ia64/ia64.md: Update for new definitions of
28350	TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
28351	* config/ia64/ia64.opt: New file.
28352	* config/ia64/ilp32.opt: New file.
28353
283542005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
28355
28356	PR target/18380
28357	* config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
28358
283592005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
28360
28361	* config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
28362	instead of MASK_H8300S.
28363	* config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
28364	MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
28365	MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
28366	MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
28367	TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
28368	TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
28369	TARGET_SWITCHES): Remove.
28370	(TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
28371	TARGET_H8300SX.
28372	* config/h8300/h8300.opt: New.
28373
28374	* config/alpha/alpha.opt, config/arc/arc.opt,
28375	config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
28376	notices.
28377
283782005-03-17  Ian Lance Taylor  <ian@airs.com>
28379
28380	* gmon.c: Remove.
28381
283822005-03-17  Richard Sandiford  <rsandifo@redhat.com>
28383
28384	* config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
28385	(arc_text_string, arc_data_string, arc_rodata_string): Make static.
28386	(TARGET_HANDLE_OPTION): Override default.
28387	(arc_handle_option): New function.
28388	(arc_init): Remove code to set arch_cpu_string.
28389	* config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
28390	(TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
28391	(TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
28392	(TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
28393	(TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
28394	(SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
28395	(arc_rodata_string, TARGET_OPTIONS): Delete.
28396	* config/arc/arc.opt: New file.
28397
283982005-03-17  Richard Henderson  <rth@redhat.com>
28399
28400	* doc/extend.texi (Weak Pragmas): New section.
28401	(attribute alias): Clarify that target must be in the same
28402	translation unit.
28403
284042005-03-17  Richard Henderson  <rth@redhat.com>
28405
28406	* config/alpha/alpha.opt: New file.
28407	* config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
28408	of alpha_cpu.
28409	(alpha_cpu_string, alpha_tune_string, alpha_tp_string,
28410	alpha_fprm_string, alpha_fptm_string): Make static.
28411	(alpha_tls_size_string): Remove.
28412	(alpha_handle_option): New.
28413	(override_options): Update for alpha_cpu/alpha_tune split.
28414	(alpha_file_start): Likewise.
28415	(TARGET_DEFAULT_TARGET_FLAGS): New.
28416	(TARGET_HANDLE_OPTION): New.
28417	* config/alpha/alpha.h (alpha_tune): Declare.
28418	(MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
28419	MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
28420	MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
28421	TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
28422	TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
28423	TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
28424	MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
28425	MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
28426	TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
28427	TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
28428	(TARGET_SWITCHES, TARGET_OPTIONS): Remove.
28429	(TARGET_DEFAULT): Remove MASK_FP.
28430	(TARGET_FP): Redefined based on TARGET_SOFT_FP.
28431	(TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
28432	(alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
28433	alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
28434	alpha_tls_size_string): Remove.
28435	* config/alpha/alpha.md (prefetch): Use alpha_cpu.
28436	(attribute tune): Rename from attribute cpu.
28437	* config/alpha/ev4.md: Update to match.
28438	* config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
28439	* config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
28440	* config/alpha/linux.h (TARGET_DEFAULT): Likewise.
28441	* config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
28442	* config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
28443	* config/alpha/vms.h (TARGET_DEFAULT): Likewise.
28444
284452005-03-16  James E. Wilson  <wilson@specifixinc.com>
28446
28447	* config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
28448	and return without creating new state if before_nops_num is nonzero.
28449	* config/ia64/ia64.md (first_insn): New attribute.
28450	(alloc): Set it to yes.
28451
284522005-03-16  Daniel Berlin  <dberlin@dberlin.org>
28453
28454	* tree-vectorizer.c (new_vec_stmt_info): Initialize
28455	STMT_VINFO_SUBVARS to NULL.
28456	* tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
28457
284582005-03-16 Dale Johannesen  <dalej@apple.com>
28459
28460	* rtlanal.c (find_first_parameter_load): Rewrite to
28461	return actual first param load or the call if none,
28462	instead of first in block, when not all loads exist.
28463
284642005-03-16  Roger Sayle  <roger@eyesopen.com>
28465
28466	* optabs.c (expand_copysign_absneg): Make static.
28467	* optabs.h (expand_copysign_absneg): Delete prototype.
28468	* config/rs6000/rs6000.md (copysigntf3): Delete pattern.
28469
284702005-03-16  Richard Henderson  <rth@redhat.com>
28471
28472	PR middle-end/15700
28473	* varasm.c (struct alias_pair): Rename from struct output_def_pair.
28474	(alias_pairs): Rename from output_defs.
28475	(find_decl_and_mark_needed): Split out from assemble_alias.
28476	(do_assemble_alias): New.
28477	(assemble_output_def): Remove.
28478	(finish_aliases_1, finish_aliases_2): New.
28479	(process_pending_assemble_output_defs): Remove.
28480	(assemble_alias): Defer aliases for which we don't yet have a
28481	non-external decl for the target symbol.
28482	* passes.c (rest_of_decl_compilation): Register variables with cgraph.
28483	* cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
28484	* toplev.c (compile_file): Use finish_aliases_2 instead of
28485	process_pending_assemble_output_defs.
28486	* tree.h (finish_aliases_1, finish_aliases_2): Declare.
28487	(process_pending_assemble_output_defs): Remove.
28488
284892005-03-16  Daniel Berlin  <dberlin@dberlin.org>
28490
28491	Fix PR tree-optimization/20489
28492
28493	* tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
28494	for empty structures.
28495
284962005-03-16  Daniel Berlin  <dberlin@dberlin.org>
28497
28498	Fix PR tree-optimization/20490
28499
28500	* tree-ssa-pre.c (create_expression_by_pieces): Use
28501	force_gimple_operand on result of fold.
28502
285032005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
28504
28505	* config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
28506	of closing parenthesis.
28507
285082005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
28509
28510	* builtins.c (expand_movstr): Update a call to
28511	fold_builtin_strcpy.
28512	(expand_builtin_strncpy): Update a call to
28513	fold_builtin_strncpy.
28514	(fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
28515	arguments of CALL_EXPR.
28516	(fold_builtin_1): Update calls to fold_builtin_strcpy and
28517	fold_builtin_strncpy.
28518	* tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
28519	* tree.h: Update the prototypes of fold_builtin_strcpy and
28520	fold_builtin_strncpy.
28521
285222005-03-16  Steven Bosscher  <stevenb@suse.de>
28523	    Dorit Naishlos  <dorit@il.ibm.com>
28524
28525	* tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
28526	UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
28527	error.
28528
285292005-03-16  Steven Bosscher  <stevenb@suse.de>
28530
28531	* tree-inline.c (walk_type_fields, walk_tree,
28532	walk_tree_without_duplicates): Move from here...
28533	* tree.c: ...to here.
28534
285352005-03-15  Zack Weinberg  <zack@codesourcery.com>
28536
28537	* BASE-VER, DATESTAMP, DEV-PHASE: New files.
28538	* Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
28539	(BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
28540	(BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
28541	(version): Define using $(BASEVER_c).
28542	(Makefile, config.status, build/gcov-iov.o): No longer depends on
28543	version.c.
28544	(version.o): Depend on version files; add custom generation command.
28545	(prefix.o): Define BASEVER on command line.
28546	(s-iov): Depend on version files; adjust command.
28547	(TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
28548	Add gcc-vers.texi.
28549	(gcc-vers.texi): New rule.
28550	(doc/%.info, doc/%.dvi): Add -I . to command line.
28551	(doc/gccinstall.dvi): Likewise.
28552	(PACKAGE): Delete.  All uses replaced with "gcc".
28553	* aclocal.m4: Do not include gcc-version.m4.
28554	* configure.ac: Do not invoke TL_AC_GCC_VERSION.
28555	Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
28556	Set is_release based on contents of DEV-PHASE.
28557	Set gcc_version based on contents of BASE-VER.
28558	Define WIN32_REGISTRY_KEY only if the user overrode the default.
28559	* config.in, configure: Regenerate.
28560	* gccbug.in: Determine version of GCC in use at runtime.
28561	* gcov-iov.c: Get version number and development phase from
28562	command line, not by including version.c.
28563	* intl.c: Replace all uses of PACKAGE with "gcc".
28564	* libada-mk.in: Delete unused "gcc_version" variable.
28565	* prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
28566	* version.c: (VERSUFFIX): New hook for redistributors; adjust
28567	commentary to match.
28568	(version_string): Put together from pieces.
28569	* config/alpha/x-vms: Do not use $(gcc_version).
28570	* config/i386/t-nwld: Likewise.
28571	* doc/include/gcc-common.texi: Include gcc-vers.texi for
28572	version-GCC and DEVELOPMENT.
28573
285742005-03-15  Roger Sayle  <roger@eyesopen.com>
28575
28576	PR tree-optimization/17454
28577	* tree.c (tree_size): Add case for TREE_BINFO.
28578	* fold-const.c (fold_checksum_tree): Only clear the overloaded
28579	field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
28580
285812005-03-15  Roger Sayle  <roger@eyesopen.com>
28582
28583	* optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
28584	op1 whilst expanding the signed widenening multiply variant.
28585
285862005-03-15  Richard Sandiford  <rsandifo@redhat.com>
28587
28588	* toplev.c (display_target_options): Avoid unused variable warning if
28589	TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
28590	* config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
28591	(mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
28592	(mips_isa): Initialize to MIPS_ABI_DEFAULT.
28593	(mips_isa_info): New variable.
28594	(mips_parse_cpu): Remove the first argument and leave the caller
28595	to report errors.
28596	(TARGET_HANDLE_OPTION): Override default.
28597	(mips_handle_option): New function.  Move option validation code from...
28598	(override_options): ...here.  Update calls to mips_parse_cpu.
28599	* config/mips/mips.h (mips_arch_string, mips_tune_string)
28600	(mips_isa_string, mips_abi_string, TARGET_OPTIONS)
28601	(SUBTARGET_TARGET_OPTIONS): Delete.
28602	* config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
28603	(mno-flush-func, mtune=): New options.
28604
286052005-03-15  Roger Sayle  <roger@eyesopen.com>
28606	    Richard Henderson  <rth@redhat.com>
28607
28608	* real.c (c4x_single_format, c4x_extended_format): Provide values
28609	for signbit_ro for c4x's single and extended floating point formats.
28610	* optabs.c (expand_copysign): Use the floating point format's
28611	signbit_ro for expanding via expand_copysign_absneg, and it's
28612	signbit_rw field for expanding via expand_copysign_bit.
28613
286142005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
28615
28616	* tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
28617	known_alignment_for_access_p.
28618	(known_alignment_for_access_p): New.
28619	(do_peeling_for_alignment): Field made int instead of bool and renamed
28620	to peeling_for_alignment.
28621	(LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
28622	* tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
28623	functionality used to be in vect_analyze_operations.
28624	(vect_analyze_operations): Code to determine vectorization factor was
28625	moved to vect_determine_vectorization_factor.
28626	(vect_enhance_data_refs_alignment): Update to correct alignment when it
28627	is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
28628	factor.
28629	(vect_analyze_loop): Call vect_determine_vectorization_factor (used to
28630	be part of vect_analyze_operations).
28631	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
28632	creating the guard condition, as the number of iterations may be
28633	constant.
28634	(slpeel_tree_peel_loop_to_edge): Use new name of
28635	LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
28636	* tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
28637	alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
28638	(vect_do_peeling_for_alignment): Use fold.
28639	(vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
28640
28641	(vect_update_inits_of_dr): Renamed to
28642	vect_update_init_of_dr.
28643	(vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
28644	(vectorizable_store): Fix assertion to use == instead of =.
28645
286462005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
28647
28648	* config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
28649	call_used_regs for wCG registers.
28650
286512005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
28652
28653	* config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
28654	for non-offsettable memory references to cope with outstanding reload
28655	replacements, take 2.
28656
286572005-03-15  Uros Bizjak  <uros@kss-loka.si>
28658
28659	PR target/18668
28660	* config/i386/i386.h (x86_fisttp): New.
28661	(TARGET_FISTTP): New macro.
28662	* config/i386/i386.c (x86_fisttp): Set for NOCONA.
28663	(output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
28664	instruction when fisttp flag is set.
28665	* config/i386/i386-protos.h (output_fix_trunc): Change declaration.
28666
28667	* config/i386/i386.md (type attribute): Add fisttp.
28668	(unit attribute): Set to i387 for fisttp type.
28669	(X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
28670	(fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
28671	TARGET_FISTTP.
28672	(fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
28673	Generate fisttp patterns for TARGET_FISTTP. Implement using mode
28674	macros.
28675	(fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
28676	patterns for TARGET_FISTTP.  Enable patterns for
28677	(TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
28678	(fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
28679	fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
28680	implement fisttp x87 insn.
28681	(fix_trunc*_i387_fisttp splitters): New patterns.
28682	(*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
28683	Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
28684	Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
28685	clobber.
28686	(fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
28687	Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
28688	Implement using mode macros. Disable patterns for TARGET_FISTTP.
28689	(fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
28690	fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
28691	fix_trunc<mode>_i387_with_temp. Implement using mode macros.
28692	Disable patterns for TARGET_FISTTP.
28693	(fix_trunc*_i387 splitters): Implement usign mode macros.
28694	(fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
28695	fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
28696	(fix_trunx*_sse peephole2s): Implement using mode macros.
28697
286982005-03-15  J"orn Rennecke <joern.rennecke@st.com>
28699
28700	PR rtl-optimization/20291
28701	* combine.c (try_combine): If splitting fails, re-try with
28702	original combined pattern, i.e. before clobber stripping.
28703
287042005-03-14  Eric Christopher  <echristo@redhat.com>
28705
28706	* config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
28707	STACK_GROWS_DOWNWARD.
28708
287092005-03-14  Roger Sayle  <roger@eyesopen.com>
28710
28711	* real.h (struct real_format): Split the signbit field into two
28712	two fields, signbit_ro and signbit_rw.
28713	* real.c (ieee_single_format, mips_single_format, ieee_double_format,
28714	mips_double_format, ieee_extended_motorola_format,
28715	ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
28716	ieee_extended_intel_128_format, ibm_extended_format,
28717	mips_extended_format, ieee_quad_format, mips_quad_format,
28718	vax_f_format, vax_d_format, vax_g_format, i370_single_format,
28719	i370_double_format, c4x_single_format, c4x_extended_format,
28720	real_internal_format): Update initializers for new field.
28721	* builtins.c (expand_builtin_signbit): Use signbit_ro field of the
28722	real_format structure.
28723	* optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
28724	field of the real_format structure.
28725
287262005-03-14  Daniel Berlin <dberlin@dberlin.org>
28727
28728	Fix PR tree-optimization/20458
28729
28730	* tree-flow-inline.h (mark_call_clobbered): Don't fiddle
28731	DECL_EXTERNAL on STRUCT_FIELD tags.
28732	(clear_call_clobbered): Ditto.
28733	* tree-ssa-operands.c (note_addressable): Make sure the original
28734	variable doesn't slip into the addressable list if we have
28735	subvars.
28736	* tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
28737	tags too.
28738
287392005-03-14  Geoffrey Keating  <geoffk@apple.com>
28740
28741	* doc/cppopts.texi (-fexec-charset): Add concept index entry.
28742	(-fwide-exec-charset): Likewise.
28743	(-finput-charset): Likewise.
28744	* doc/invoke.texi (Warning Options): Document -Wnormalized=.
28745	* c-opts.c (c_common_handle_option): Handle -Wnormalized=.
28746	* c.opt (Wnormalized): New.
28747
287482005-03-14  Devang Patel  <dpatel@apple.com>
28749
28750	* doc/invoke.texi: Add reference to Visibility document.
28751
287522005-03-14  Richard Sandiford  <rsandifo@redhat.com>
28753
28754	* config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
28755	MASK_SPLIT_ADDRESSES.
28756	* config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
28757	(MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
28758	(MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
28759	(MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
28760	(MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
28761	(MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
28762	(MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
28763	(MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
28764	(MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
28765	(MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
28766	(MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
28767	(MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
28768	(TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
28769	(TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
28770	(TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
28771	(TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
28772	(TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
28773	(TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
28774	(TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
28775	(TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
28776	(TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
28777	(TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
28778	(TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
28779	(TARGET_EXPLICIT_RELOCS): Delete.
28780	(TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
28781	(TARGET_OPTIONS): Remove entry for -mfix-vr4130.
28782	* config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
28783	(override_options): Set MASK_LONG64 if -mint64 is given and no
28784	-mlongXX option is.  Complain about -mint64 -mlong32.
28785	(override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
28786	MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
28787	* config/mips/mips.opt: New file.
28788
287892005-03-14  Richard Sandiford  <rsandifo@redhat.com>
28790
28791	* config.gcc (extra_options): New variable for listing option files.
28792	Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
28793	* configure.ac (extra_opt_files): New AC_SUBST variable.
28794	(tm_file_list, tm_include_list): Include options.h first.
28795	* configure: Regenerate.
28796	* Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
28797	(s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
28798	(s-options-h): New rule.
28799	(options.h): Depend on it.
28800	(TEXI_GCCINT_FILES): Add options.texi.
28801	* hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
28802	* hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
28803	* target.h (gcc_target): Add default_target_flags and handle_option.
28804	* target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
28805	(TARGET_HANDLE_OPTION): New macros.
28806	(TARGET_INITIALIZER): Include them.
28807	* opt-functions.awk (opt_args, nth_arg): New functions.
28808	(switch_flags): Handle the "Target" flag.
28809	(var_args): Delete.
28810	(var_name): Use opt_args and nth_arg.
28811	(var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
28812	* opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
28813	macros for the "Mask" and "InverseMask" options.
28814	* opts.h (cl_var_cond): New enum.
28815	(cl_option): Replace the "has_set_value" and "set_value" fields with
28816	"var_cond" and "var_value".
28817	(CL_TARGET): New macro.
28818	(option_enabled, print_filtered_help): Declare.
28819	(decode_options): Move definition.
28820	* opts.c (handle_option): Search for the original option before
28821	removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
28822	var_cond and var_value fields.  Use targetm.handle_option to handle
28823	target options.
28824	(decode_options): Set target_flags to targetm.default_target_flags.
28825	(print_filtered_help): Make global.  Handle CL_TARGET.
28826	(option_enabled): New function.
28827	* toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
28828	(display_target_options, set_target_switch, print_switch_values)
28829	(default_pch_valid_p): Guard uses of target_switches with
28830	#ifdef TARGET_SWITCHES.  Also...
28831	(display_target_options): Display the CL_TARGET entries in cl_options.
28832	(set_target_option): Don't complain about the "" option when
28833	TARGET_SWITCHES is undefined.
28834	(print_switch_values): Use option_enabled.
28835	(default_pch_valid_p): Check cl_options[] when looking for something
28836	that has changed the value of target_flags.
28837	* c.opt: Remove documentation from top of file.
28838	* doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
28839	* doc/sourecebuild.texi: Refer to the new options documentation
28840	instead of c.opt.  Document machine-specific .opt files.
28841	* doc/tm.texi (target_flags): Say that this variable is declared
28842	by options.h.
28843	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
28844	(TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
28845	an alternative.
28846	* doc/options.texi: New file.
28847
288482005-03-14  Alexandre Oliva  <aoliva@redhat.com>
28849
28850	PR middle-end/18628
28851	* cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
28852	register.
28853
288542005-03-14  Alexandre Oliva  <aoliva@redhat.com>
28855
28856	PR c++/20280
28857	* gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
28858	temporary variable of pointer type if an lvalues is required.
28859	(gimplify_modify_expr_rhs): Request an rvalue from it.
28860	(gimplify_expr): Pass fallback on.
28861
288622005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
28863
28864	* cfgbuild.c: Update comments.
28865
288662005-03-14  Roger Sayle  <roger@eyesopen.com>
28867
28868	PR rtl-optimization/17236
28869	* optabs.c (expand_doubleword_mult): New helper function split out
28870	from expand_binop.  Permute the order in which instructions are
28871	emitted to minimize the number of simultaneously live registers.
28872	(expand_binop): Call expand_doubleword_mult to synthesize a double
28873	word multiplication.
28874
288752005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
28876
28877	* basic-block.h: Update the prototypes of cached_make_edge and
28878	rtl_make_eh_edge.
28879	* cfg.c (cached_make_edge): Take edge_cache representing one
28880	row of the adjacency matrix of edges.
28881	* cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
28882	(make_edges): Initialize edge_cache to represent one row of
28883	the adjacency matrix of edges.
28884
288852005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
28886
28887	* tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
28888	New functions.
28889	(tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
28890	Remove unused removed_phis variable.
28891	(conditional_replacement): Use build1/build2.
28892	(abs_replacement): Use last_and_only_stmt and build1/build2.
28893
288942005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
28895
28896	* builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
28897	ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
28898	* builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
28899	(BUILT_IN_PREFETCH): Set the NOVOPS attribute.
28900	* c-common.c (handle_novops_attribute): New function.
28901	(c_common_attribute_table): Add "no vops" entry.
28902	* c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
28903	* calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
28904	* tree-ssa-operands.c (get_call_expr_operands): Do not
28905	create virtual operands for calls with ECF_NOVOPS flag.
28906	* tree.h (DECL_IS_NOVOPS): New macro.
28907	(struct tree_decl): Add novops_flag.
28908	(ECF_NOVOPS): New constant.
28909
289102005-03-14  Uros Bizjak  <uros@kss-loka.si>
28911
28912	PR target/17688
28913	* config/i386/i386.c (x86_use_himode_fiop): New.
28914	(x86_use_simode_fiop): Rename from x86_use_fiop.
28915	* config/i386/i386.h (x86_use_himode_fiop): Declare.
28916	(TARGET_USE_HIMODE_FIOP): New.
28917	(x86_use_simode_fiop): Rename from x86_use_fiop.
28918	(TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
28919
28920	* config/i386/i386.md (X87MODEI12): New mode macro define.
28921	(*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
28922	to implement x87 FP compare with HImode input operands.
28923	(*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
28924	Use X87MODEI12 mode macro to handle HImode input operands.
28925	(*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
28926	*fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
28927	Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
28928	*fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
28929	macro to implement x87 operators with HImode input operands.
28930	(fop splitters): Use X87MODEI12 mode macro to handle HImode
28931	input operands.
28932
289332005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
28934
28935	* tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
28936	integer_zerop.
28937	* tree-gimple.c (is_gimple_min_invariant): Consider overflowed
28938	constants invariant.
28939
289402005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
28941
28942	* basic-block.h (BB_VISITED): Removed.
28943	* cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
28944
289452005-03-14  Falk Hueffner  <falk@debian.org>
28946
28947	PR bootstrap/20424
28948	* config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
28949
289502005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
28951
28952	* ggc-zone.c: Fix comment typos.
28953
28954	* alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
28955	stringpool.c, config/mips/mips-protos.h: Update copyright.
28956
289572005-03-14  Alan Modra  <amodra@bigpond.net.au>
28958
28959	* config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
28960	throughout with its typedef, "rtx".
28961	* config/rs6000/rs6000.c: Likewise.  Formatting fixes.
28962	(rs6000_tls_symbol_ref_1): Remove inline keyword.
28963	* config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
28964	regs in comment to match code.
28965
289662005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
28967
28968	* except.c (check_handled): Make it static.
28969	* except.h: Remove the corresponding prototype.
28970
28971	* function.c (get_func_frame_size): Make it static.
28972	* function.h: Remove the corresponding type.
28973
28974	* regclass.c (reg_class_superclasses, reg_class_subclasses):
28975	Make them static.
28976	* hard-reg-set.h: Remove the corresponding declarations.
28977
28978	* tree-cfg.c (verify_stmts): Check that
28979	bb_for_stmt (stmt) == bb for every PHI node and statement.
28980
289812005-03-14  Alan Modra  <amodra@bigpond.net.au>
28982
28983	* config.gcc: Remove excess indentation.
28984	(powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
28985
289862005-03-13  Roger Sayle  <roger@eyesopen.com>
28987
28988	PR middle-end/19331
28989	* tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
28990	* fold-const.c (fold_sign_changed_comparison): Likewise.
28991	(fold_binary): Optimize comparisons against widened operands if
28992	the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
28993
289942005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
28995
28996	* config/sparc/sparc.c (struct_value_alias_set): New global variable.
28997	(sparc_override_options): Initialize it.
28998	(sparc_struct_value_rtx): Set it on the MEM to be returned.
28999
290002005-03-13  David Edelsohn  <edelsohn@gnu.org>
29001
29002	* config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
29003	(reg_or_none500mem_operand): New predicate.
29004	(zero_reg_mem_operand): New predicate.
29005	* config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
29006	to reg_or_none500mem_operand.
29007	(extendsfdf2_fpr): Add MEM alternative.
29008	(extenddftf2_internal): Change operand2 predicate to
29009	zero_reg_mem_operand.
29010
290112005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
29012
29013	* ggc-zone.c: Rewritten.
29014
29015	* alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
29016	if there are none.
29017	* configure.ac: Define GGC_ZONE for --with-gc=zone.
29018	* config.in: Regenerated.
29019	* configure: Regenerated.
29020	* gengtype.c (write_types_process_field, write_func_for_structure):
29021	Pass new argument to gt_pch_note_object.
29022	* ggc-common.c (struct ptr_data): Add TYPE.
29023	(gt_pch_note_object): Take TYPE argument and save it.
29024	(call_count): Update call to ggc_pch_count_object.
29025	(call_alloc): Update call to ggc_pch_alloc_object.
29026	(gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
29027	file.
29028	* ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
29029	* ggc-page.c (rtl_zone, tree_zone, garbage_zone)
29030	(ggc_alloc_zone_stat): Delete.
29031	(ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
29032	* ggc.h (gt_pch_note_object, ggc_pch_count_object)
29033	(ggc_pch_alloc_object): Update prototypes.
29034	(garbage_zone): Delete.
29035	(tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
29036	GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
29037	pointers.
29038	(tree_id_zone): New variable.
29039	(ggc_alloc_cleared_zone): Remove unused.
29040	(ggc_alloc_zone): Define.
29041	(ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
29042	* rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
29043	ggc_alloc_zone_stat.
29044	* stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
29045	* tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
29046	(tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
29047	(make_node_stat): Likewise.  Use tree_id_zone.
29048
290492005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
29050	    Joseph S. Myers  <joseph@codesourcery.com>
29051
29052	* configure.ac: Check for MIPS TLS.
29053	* configure: Regenerated.
29054	* config/mips/mips-protos.h (enum mips_symbol_type): Add
29055	SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
29056	SYMBOL_GOTTPREL, and SYMBOL_TPREL.
29057	* config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
29058	(TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
29059	(mips_classify_symbol, mips_symbolic_constant_p)
29060	(mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
29061	(mips_tls_operand_p, mips_call_tls_get_addr)
29062	(mips_legitimize_tls_address, mips_cannot_force_const_mem)
29063	(mips_tls_symbol_ref_1): New functions.
29064	(mips_legitimize_address, mips_legitimize_const_move): Call
29065	mips_legitimize_tls_address.
29066	(override_options): Handle V1_REG and TLS symbols.  Disable TLS
29067	for MIPS16.
29068	* config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
29069	(REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
29070	(mips_char_to_class): Document V1_REG.
29071	(HAVE_AS_TLS): Provide default.
29072	* config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
29073	constants.
29074	(load_got<mode>): Renamed from *load_got<mode>.  Allow when
29075	!TARGET_ABICALLS.
29076	(tls_get_tp_<mode>): New instruction.
29077
290782005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
29079
29080	* configure.ac: Update checks for target tools.
29081	* configure: Regenerated.
29082
290832005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
29084
29085	* varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
29086
290872005-03-13  Roger Sayle  <roger@eyesopen.com>
29088
29089	* expmed.c (expand_mult): Use synthetic multiplication sequences for
29090	more classes of DImode multiplication by constant.  Allow both
29091	multiplication by small negative constants (by performing a
29092	multiplication by a positive constant and negating the result) and
29093	multiplications by large powers of two, by using a left shift.
29094
290952005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
29096
29097	* tree-into-ssa.c (find_idf): Speed up by putting the indexes
29098	of basic blocks into work_stack.
29099
29100	* builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
29101	config/mips/vr.h: Update copyright.
29102
29103	* c-decl.c (c_init_decl_processing): Remove useless calls to
29104	build_function_type.
29105
29106	* builtins.c (fold_trunc_transparent_mathfn,
29107	fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
29108	fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
29109	fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
29110	fold_builtin_strcpy, fold_builtin_strncpy,
29111	fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
29112	TREE_TYPE (exp).
29113
29114	* builtins.c (expand_builtin_mathfn_3): Remove local variable
29115	before_call.
29116
29117	* lambda-code.c (lambda_compute_auxillary_space): Remove local
29118	variable determinant.
29119
29120	* tree-cfg.c (group_case_labels): Remove local variable type.
29121
29122	* tree-ssa-live.c (build_tree_conflict_graph): Remove local
29123	variable ann.
29124
29125	* tree-ssa-phiopt.c (value_replacement): Remove local variable
29126	result.
29127
291282005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
29129
29130	PR target/18251
29131	* config/avr/avr.md (movmemhi): Rewrite as RTL loop.
29132	(*movmemqi_insn): Delete.
29133	(*movmemhi): Delete.
29134
291352005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
29136
29137	* builtins.c (fold_builtin_classify): Take decomposed
29138	arguments of CALL_EXPR.
29139	(fold_builtin_1): Update a call to fold_builtin_classify.
29140
291412005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
29142
29143	PR c/20402
29144	* c-parser.c (c_parser_struct_or_union_specifier): Don't fall
29145	through into call to parser_xref_tag after parse error.
29146	(c_parser_struct_declaration): Consistently return NULL_TREE on
29147	error.
29148
291492005-03-12  Daniel Berlin  <dberlin@dberlin.org>
29150
29151	* tree-flow-inline.h (ref_contains_array_ref): New function.
29152	(lookup_subvars_for_var): Ditto.
29153	(get_subvars_for_var): Ditto.
29154	(var_can_have_subvars): Ditto.
29155
29156	* tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
29157	(struct subvar): New type.
29158
29159	* tree-dfa.c (okay_component_ref_for_subvars): New function.
29160
29161	* tree-optimize.c (init_tree_optimization_passes): Call
29162	pass_create_structure_vars.
29163
29164	* tree-ssa-alias.c: Include vec.h.
29165	(init_alias_info): Don't auto-clear call clobbered on struct-field
29166	tags.
29167	(compute_flow_insensitive_aliasing): Handle subvars.
29168	(group_aliases): Handle STRUCT_FIELD aliases.
29169	(setup_pointers_and_addressables): Ditto.
29170	Don't mark variables non-addressable if they still have
29171	addressable subvars.
29172	Also mark subvars addressable when the real variable is marked
29173	addressable.
29174	(add_pointed_to_var): Try to prune the pointed-to set by only
29175	pointing to subvars when possible.
29176	Otherwise, make sure we set addresses_needed and pt_vars to
29177	properly include subvars.
29178	(bitpos_of_field): New function.
29179	(push_fields_onto_fieldstack): Ditto.
29180	(get_or_create_used_part_for): Ditto.
29181	(create_overlap_variables_for): Ditto.
29182	(find_used_portions): Ditto.
29183	(create_structure_vars): Ditto.
29184	(pass_create_structure_vars): New structure.
29185
29186	* tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
29187	(get_expr_operands): Handle subvars.  Also try to turn
29188	COMPONENT_REF accesses into must-defs now that we can accurately
29189	portray it.
29190	(note_addressable): Try to only mark as addressable those subvars
29191	we know a COMPONENT_REF touches.
29192	(overlap_subvar): New function.
29193
29194	* tree-vect-analyze.c (vect_object_analysis): Add new parameter.
29195	Handle subvar storing.
29196	(vect_address_analysis): Update caller of vect_object_analysis.
29197
29198	* tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
29199
29200	* tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
29201	(STMT_VINFO_SUBVARS): New macro.
29202
29203	* common.opts: add flag_tree_salias.
29204
29205	* opts.c (decode_options): flag_tree_salias defaults to on.
29206
29207	* doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
29208
29209	* doc/tree-ssa.texi: Document structural alias analysis.
29210
292112005-03-12  Steven Bosscher  <stevenb@suse.de>
29212
29213	* tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
29214	* tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
29215	* tree-ssa-operands.c (get_expr_operands): Likewise.
29216	(get_expr_operands): Likewise for ERROR_MARK.
29217
292182005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
29219
29220	* tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
29221	var.
29222
29223	* tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
29224	removed_phis.
29225
29226	* tree-ssa-pre.c (compute_avail): Remove local variable val.
29227	(mark_operand_necessary): Remove local variable ver.
29228
29229	* tree-vect-transform.c (vect_get_new_vect_var): Remove local
29230	variable prefix_len.
29231
29232	* value-prof.c (mod_subtract_transform): Remove local variable
29233	value.
29234
29235	* builtins.c (fold_builtin_exponent): Take decomposed
29236	arguments of CALL_EXPR.
29237	(fold_builtin_1): Update a call to fold_builtin_exponent.
29238
29239	* builtins.c (fold_builtin_logarithm): Take decomposed
29240	arguments of CALL_EXPR.
29241	(fold_builtin_1): Update a call to fold_builtin_logarithm.
29242
29243	* c-decl.c (c_init_decl_processing): Remove local variables
29244	ptr_ftype_void and ptr_ftype_ptr.
29245
29246	* gimplify.c (gimplify_expr): Remove local variables r0 and
29247	r1.
29248
29249	* reg-stack.c (move_for_stack_reg): Remove local variable
29250	push_insn.
29251	(compare_for_stack_reg): Remove local variable flags_user.
29252	(convert_regs_1): Remove local variable deleted.
29253
29254	* tree-if-conv.c (tree_if_convert_cond_expr): Remove local
29255	variable new_cond.
29256	(combine_blocks): Remove local variables exits and new_e.
29257
29258	* tree-inline.c (expand_call_inline): Remove local variable
29259	decl.
29260
29261	* tree-ssa-live.c (create_ssa_var_map,
29262	calculate_live_on_entry): Remove local variable snn.
29263
292642005-03-12  Geoffrey Keating  <geoffk@apple.com>
29265
29266	* c-lex.c (c_lex_with_flags): Add parameter to call to
29267	cpp_spell_token.
29268
292692005-03-11  Per Bothner  <per@bothner.com>
29270
29271	* c-tree.h (struct c_declarator): New id_loc field.
29272	* c-pragma.h (c_lex_with_flags): Take position reference.
29273	* c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
29274	iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
29275	(c_lex): Pass dummy location to c_lex_with_flags.
29276	* c-parser.c (c_lex_one_token): Set c_token's location using
29277	c_lex_with_flags, instead of input_location, which might be "ahead".
29278	(c_parser_direct_declarator): Set declarator's id_loc from
29279	c_token's id_loc.
29280	* c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
29281	declarator's id_loc, rather than probably-imprecise input_location.
29282	(build_id_declarator): Initialize c_declarator's id_loc field.
29283
292842005-03-11  Roger Sayle  <roger@eyesopen.com>
29285
29286	PR middle-end/20419
29287	* builtins.c (expand_builtin_signbit): Force the signbit's word
29288	into an integer register to avoid SUBREGs of floating point modes.
29289
292902005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
29291
29292	* cfglayout.c, loop-doloop.c, profile.c, target-def.h,
29293	target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
29294	tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
29295	config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
29296
292972005-03-11  David Edelsohn  <edelsohn@gnu.org>
29298
29299	PR rtl-optimization/20306
29300	* expr.c (emit_move_complex): Set try_int false if mode is
29301	MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
29302	emit_block_move if try_int is true.
29303
293042005-03-11  Richard Henderson  <rth@redhat.com>
29305
29306	PR target/20415
29307	* config/i386/mmx.md (vec_dupv4hi): Fix predicate.
29308	* config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
29309	to match.
29310
293112005-03-11  Richard Sandiford  <rsandifo@redhat.com>
29312
29313	* config/mips/mips.h (mips_fix_vr4130_string): Declare.
29314	(TARGET_FIX_VR4130): New macro.
29315	(TARGET_OPTIONS): Add -mfix-vr4130.
29316	(ISA_HAS_MACCHI): New macro.
29317	(ASM_SPEC): Add -mfix-vr4130.
29318	* config/mips/mips.c (mips_fix_vr4130_string): New variable.
29319	(override_options): Handle mips_fix_vr4130_string.
29320	(mips_avoid_hazards): Clear all_noreorder_p
29321	if we're working around VR4130 errata and the macc alternatives
29322	are not available.
29323	* config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
29324	(*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
29325	* config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
29326	(MULTILIB_DEFAULTS): Remove leading "march=".
29327	(DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
29328	if no architecture option is given.
29329	* config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
29330	VR4130 multilibs.
29331	(MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
29332	* doc/invoke.texi: Document -mfix-vr4130.
29333
293342005-03-11  Richard Sandiford  <rsandifo@redhat.com>
29335
29336	* config/mips/mips.c (override_options): Only warn about -mint64
29337	deprecation if TARGET_INT64.
29338
293392005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
29340
29341	* builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
29342	ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
29343	ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
29344	are non-specific regarding the nonnull parameter positions.
29345	(ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
29346	ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
29347	ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
29348	ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
29349
29350	* builtins.def: Use the non-specific "nonnull" attibute lists.
29351
293522005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
29353
29354	* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
29355	single_pred_edge, single_succ, single_pred): Improve comments.
29356
293572005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
29358
29359	* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
29360	single_pred_edge, single_succ, single_pred): New inline functions.
29361	* bb-reorder.c (rotate_loop, find_traces_1_round,
29362	add_labels_and_missing_jumps, fix_up_fall_thru_edges,
29363	duplicate_computed_gotos): Use the single_succ/pred functions.
29364	* cfganal.c (forwarder_block_p): Ditto.
29365	* cfgbuild.c (compute_outgoing_frequencies): Ditto.
29366	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
29367	outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
29368	merge_seq_blocks): Ditto.
29369	* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
29370	* cfglayout.c (fixup_reorder_chain): Ditto.
29371	* cfgloop.c (mark_single_exit_loops, update_latch_info,
29372	canonicalize_loop_headers, verify_loop_structure): Ditto.
29373	* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
29374	mfb_update_loops, create_preheader, force_single_succ_latches,
29375	create_loop_notes): Ditto.
29376	* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
29377	force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
29378	commit_one_edge_insertion, purge_dead_edges,
29379	cfg_layout_can_merge_blocks_p): Ditto.
29380	* except.c (sjlj_emit_function_enter): Ditto.
29381	* flow.c (init_propagate_block_info): Ditto.
29382	* function.c (thread_prologue_and_epilogue_insns): Ditto.
29383	* gcse.c (find_implicit_sets, bypass_conditional_jumps,
29384	insert_insn_end_bb): Ditto.
29385	* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
29386	find_if_case_2): Ditto.
29387	* lambda-code.c (perfect_nestify): Ditto.
29388	* lcm.c (optimize_mode_switching): Ditto.
29389	* loop-doloop.c (doloop_modify): Ditto.
29390	* loop-init.c (loop_optimizer_init): Ditto.
29391	* loop-iv.c (simplify_using_initial_values): Ditto.
29392	* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
29393	* loop-unswitch.c (unswitch_loop): Ditto.
29394	* modulo-sched.c (generate_prolog_epilog): Ditto.
29395	* predict.c (combine_predictions_for_insn, estimate_probability,
29396	tree_estimate_probability, last_basic_block_p,
29397	estimate_bb_frequencies): Ditto.
29398	* profile.c (branch_prob): Ditto.
29399	* regrename.c (copyprop_hardreg_forward): Ditto.
29400	* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
29401	* tracer.c (layout_superblocks): Ditto.
29402	* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
29403	cfg_remove_useless_stmts_bb, cleanup_control_flow,
29404	cleanup_control_expr_graph, disband_implicit_edges,
29405	tree_find_edge_insert_loc, bsi_commit_edge_inserts,
29406	tree_verify_flow_info, tree_make_forwarder_block,
29407	tree_forwarder_block_p, remove_forwarder_block,
29408	remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
29409	* tree-if-conv.c (tree_if_conversion): Ditto.
29410	* tree-mudflap.c (mf_build_check_statement_for): Ditto.
29411	* tree-ssa-dce.c (remove_dead_stmt): Ditto.
29412	* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
29413	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
29414	copy_loop_headers): Ditto.
29415	* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
29416	* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
29417	* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
29418	lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
29419	* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
29420	* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
29421	* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
29422	* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
29423	* tree-ssa-threadupdate.c (redirect_edges): Ditto.
29424	* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
29425	eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
29426	* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
29427	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
29428	* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
29429	slpeel_add_loop_guard): Ditto.
29430
294312005-03-11  James A. Morrison  <phython@gcc.gnu.org>
29432
29433	PR tree-optimization/15784
29434	* fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
29435	and -1 - A to ~A.
29436
29437	* stmt.c (expand_case): Don't change index_type.  Convert minval
29438	to the proper type.
29439
29440	PR tree-optimization/20130
29441	* fold-const.c (fold): Fold x * -1 into -x.
29442
294432005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
29444
29445	PR rtl-optimization/20331
29446	* rtlanal.c (modified_between_p): Check its address first for MEM.
29447	(modified_in_p): Likewise.
29448
294492005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
29450
29451	* config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
29452
294532005-03-10  Steven Bosscher  <stevenb@suse.de>
29454
29455	* expr.c (expand_expr_real_1): If possible, use a conditional
29456	move for expanding MIN_EXPR and MAX_EXPR.
29457	Use temp for moving around rtx-en.
29458
294592005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
29460
29461	PR rtl-opt/20412
29462	* simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
29463	correct mode.
29464
294652005-03-10  Roger Sayle  <roger@eyesopen.com>
29466
29467	* builtins.c (expand_builtin_signbit): Extend to handle floating
29468	point modes wider than the largest integer type, using the
29469	operand_subword_force function to obtain the signbit's word.
29470
294712005-03-10  Jakub Jelinek  <jakub@redhat.com>
29472
29473	PR target/20322
29474	* combine.c (try_combine): If recog_for_combine added CLOBBERs
29475	to NEWI2PAT, fail to combine if they are used by NEWPAT.
29476
294772005-03-10  Aldy Hernandez  <aldyh@redhat.com>
29478
29479	* doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
29480
294812005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
29482
29483	* tree-outof-ssa.c (analyze_edges_for_bb): Make the return
29484	type void.
29485	(perform_edge_inserts): Unconditionally call
29486	free_dominator_info.
29487
29488	* tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
29489
294902005-03-10  Bob Wilson  <bob.wilson@acm.org>
29491
29492	* config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
29493
294942005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
29495
29496	* bitmap.c (bitmap_copy): Remove manual loop unrolling.
29497
29498	* value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
29499	gcc_unreachable.
29500	(rtl_register_value_prof_hooks,
29501	tree_value_profile_transformations,
29502	tree_register_value_prof_hooks): Likewise.
29503	* var-tracking.c (stack_adjust_offset_pre_post,
29504	variable_htab_free, variable_union, dataflow_set_different_2,
29505	count_uses, variable_was_changed, set_frame_base_location,
29506	set_variable_part, emit_note_insn_var_location, vt_emit_notes,
29507	vt_add_function_parameters): Likewise.
29508	* varasm.c (named_section_real, named_section, make_decl_rtl,
29509	asm_emit_uninitialised, assemble_integer, decode_addr_const,
29510	const_hash_1, compare_constant, copy_constant, force_const_mem,
29511	output_constant_pool_2, output_constant_pool_1, output_constant,
29512	output_constructor, make_decl_one_only, decl_tls_model,
29513	default_no_named_section, default_elf_select_section_1,
29514	default_unique_section_1): Likewise.
29515	* vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
29516	* vmsdbgout.c (addr_const_to_string): Likewise.
29517
29518	PR c++/20375
29519	* function.c (struct assign_parm_data_one): Remove last_named
29520	field.
29521	(assign_parm_find_data_types): Don't determine last_named.
29522	Reorder named_parm determination.
29523	(assign_parms): Only setup varargs on the last non-varadic
29524	parameter.
29525
295262005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
29527
29528	* config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
29529	sda base address on medium model.
29530
295312005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
29532
29533	* Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
29534	* cfgloop.c (flow_loop_nodes_find): Export.
29535	* cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
29536	Declare.
29537	* cfgloopmanip.c (fix_loop_structure): New function.
29538	* predict.c (predict_loops): Clean up the loops information.
29539	* tree-cfg.c (cleanup_tree_cfg_loop): New function.
29540	(tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
29541	loop structure.
29542	* tree-flow.h (cleanup_tree_cfg_loop): Declare.
29543	(rewrite_into_loop_closed_ssa): Declaration changed.
29544	* tree-loop-linear.c (linear_transform_loops): Add argument to
29545	rewrite_into_loop_closed_ssa call.
29546	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
29547	* tree-ssa-loop-im.c (move_computations): Ditto.
29548	* tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
29549	* tree-vectorizer.c (vectorize_loops): Ditto.
29550	* tree-optimize.c: Include cfgloop.h.
29551	(execute_todo): Choose whether to call cleanup_tree_cfg or
29552	cleanup_tree_cfg_loop.
29553	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
29554	(tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
29555	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
29556	cleanup_tree_cfg_loop call.
29557	* tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
29558	(find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
29559	work on part of cfg.
29560
295612005-03-10  Jakub Jelinek  <jakub@redhat.com>
29562
29563	PR inline-asm/20314
29564	* gimplify.c (gimplify_asm_expr): Handle input/output constraints
29565	with multiple alternatives.
29566
29567	* stmt.c (parse_output_constraint): Fix a typo.
29568
295692005-03-09  Bob Wilson  <bob.wilson@acm.org>
29570
29571	* config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
29572	assembly directive instead of deprecated "no-generics".
29573
295742005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
29575
29576	* config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
29577	for non-offsettable memory references to cope with outstanding reload
29578	replacements.
29579	* config/s390/s390.md ("reload_outti"): Call find_replacement to
29580	avoid losing outstanding address reloads.
29581	("reload_outdi", "reload_outdf"): Likewise.
29582
295832005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
29584
29585	* builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
29586	code.  Add more cbrt transformations.
29587
295882005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
29589
29590	* fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
29591
295922005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
29593
29594	* fold-const.c (fold_unary, fold_binary, fold_ternary): Return
29595	NULL_TREE when a given tree is not simplified.
29596	(fold): Return the original tree when any of the functions
29597	mentioned above NULL_TREE.
29598
29599	* fold-const.c (fold_unary, fold_binary): Take decomposed
29600	arguments, code, type, op0, and op1 in case of fold_binary.
29601	(fold): Update calls to fold_unary and fold_binary.
29602
296032005-03-09  Roger Sayle  <roger@eyesopen.com>
29604
29605	* builtins.c (fold_builtin_unordered_cmp): Change prototype to take
29606	a fndecl and an arglist instead of a CALL_EXPR, exp.
29607
296082005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
29609
29610	* cfglayout.c (fixup_reorder_chain): Remove old_bb.
29611
29612	* cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
29613
29614	* expr.c (expand_assignment): Remove orig_to_rtx.
29615
29616	* fold-const.c (int_const_binop): Remove no_overflow.
29617
29618	* ifcvt.c (noce_emit_move_insn): Remove inmode.
29619
29620	* loop-iv.c (get_biv_step_1): Remove lhs.
29621
29622	* loop-unroll.c (analyze_insns_in_loop): Remove preheader.
29623
29624	* real.c (real_nan): Remove neg.
29625
29626	* function.c (thread_prologue_and_epilogue_insns): Remove i
29627	and newinsn.
29628
29629	* tree-data-ref.c (array_base_name_differ_p): Remove ta and
29630	tb.
29631
29632	* tree-eh.c (tree_could_trap_p): Remove idx.
29633
29634	* tree-into-ssa.c (ann): Remove ann.
29635
29636	* tree-outof-ssa.c (num_nodes): Remove num_nodes.
29637
29638	* tree-sra.c (decide_block_copy): Remove inst_count.
29639
29640	* tree-ssa-alias.c (may_alias_p): Remove v_ann.
29641
29642	* tree-ssa-loop-im.c (lhs): Remove.
29643
29644	* cfgbuild.c (state, STATE, SET_STATE,
29645	BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
29646	make_edges.
29647	(make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
29648	(find_basic_blocks): Set the state of each basic block to
29649	BLOCK_NEW.
29650
296512005-03-08  Jeff Law  <law@redhat.com>
29652
29653	* tree-cfg.c (cleanup_control_flow): If removal of a computed
29654	goto results in the removal of edges in the CFG, then we need
29655	to recompute dominators.
29656
296572005-03-09  Ben Elliston  <bje@au.ibm.com>
29658
29659	* c-common.c (c_do_switch_warnings): Comment fix.
29660
296612005-03-08  Julian Brown  <julian@codesourcery.com>
29662
29663	* Patch from 2005-03-08 reverted for causing regressions and
29664	ppc-darwin bootstrap failure.
29665
296662005-03-08  Fariborz Jahanian <fjahanian@apple.com>
29667
29668	* config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
29669	Define the real function for ppc-darwin.
29670	* c-typeck.c (convert_arguments): Check for target-specific
29671	invalid argument call to unprototyped function.
29672	* target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
29673	New Macro.
29674	* target.h (invalid_arg_for_unprototyped_fn): New field
29675	in struct calls.
29676	* targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
29677	default target hook.
29678	* targhooks.h (hook_invalid_arg_for_unprototyped_fn):
29679	Declare.
29680
296812005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
29682
29683	* c-typeck.c (constructor_stack, constructor_range_stack,
29684	initializer_stack): Make them static.
29685
29686	* cfg.c (rbi_pool): Make it static.
29687
29688	* gimple-low.c (lower_stmt_body): Make it static.
29689	* tree-flow.h: Remove the corresponding prototype.  Don't
29690	declare lower_data.
29691
29692	* sched-deps.c (cache_size): Make it static.
29693
29694	* stor-layout.c (lang_adjust_rli): Make it static.
29695
296962005-03-08  Julian Brown  <julian@codesourcery.com>
29697
29698	* config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
29699	from being used for symbols with vague linkage when
29700	HAVE_GAS_COMDAT_GROUP is true.
29701
297022005-03-08  J"orn Rennecke <joern.rennecke@st.com>
29703
29704	* jump.c (invert_jump_1): Don't call redirect_jump_1 with
29705	nlabel == JUMP_LABEL (jump).
29706
297072005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
29708
29709	* c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
29710	gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
29711	tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
29712	tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
29713
297142005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
29715
29716	PR c/14411
29717	* calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
29718	* c-common.c (handle_returns_twice): New function.
29719	(c_common_attribute_table): Declare eturns_twice' attribute.
29720	* doc/extend.texi: Document eturns_twice' attribute.
29721	* tree.h (DECL_IS_RETURNS_TWICE): New macro.
29722	(struct tree_decl): Add returns_twice_flag.
29723
297242005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
29725
29726	* tree-ssa-phiopt.c: Fix a comment typo.
29727
29728	* c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
29729	loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
29730	config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
29731	copyright.
29732
297332005-03-08  Richard Henderson  <rth@redhat.com>
29734
29735	* config/alpha/alpha.c (code_for_builtin): Replace special-case
29736	builtin codes with ctzdi2, clzdi2, popcountdi2.
29737	(struct alpha_builtin_def): Add is_const.
29738	(zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
29739	(alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
29740	(alpha_init_builtins): Init them.  Set nothrow and const attributes
29741	on builtins.
29742	(alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
29743	alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
29744	alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
29745	alpha_fold_vector_minmax, alpha_fold_builtin_perr,
29746	alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
29747	alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
29748	alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
29749	alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
29750	(TARGET_FOLD_BUILTIN): New.
29751	* config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
29752	(UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
29753	(ffsdi2): Use ctz.
29754	(cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
29755
297562005-03-08  Ira Rosen  <irar@il.ibm.com>
29757
29758	PR tree-optimization/20122
29759	* tree-vect-analyze.c (vect_object_analysis): Analyze initial
29760	condition of access function instead of base.
29761
297622005-03-07  Jeff Law  <law@redhat.com>
29763	    Steven Bosscher  <stevenb@suse.de>
29764
29765	* tree-cfg.c (find_taken_edge_computed_goto): New function.
29766	(find_taken_edge): Call find_taken_edge_computed_goto as
29767	appropriate.  Allow any gimple invariant rather than just
29768	INTEGER_CST for VAL.
29769	(cleanup_control_flow): Cleanup a computed goto which has turned
29770	into a simple goto.
29771	(tree_merge_blocks): If block B has any forced labels, move
29772	them to the start of block A.
29773	* tree-ssa-dom.c (thread_across_edge): Allow threading across
29774	computed gotos as well.
29775	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
29776	removal of unnecessary computed gotos too.
29777	(lookup_redirection_data): Fix type of INSERT argument.  Callers
29778	updated.
29779
297802005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
29781
29782	* tree-ssa-phiopt.c: Update copyright.  Fix indentations.
29783	Remove trailing spaces.
29784
29785	* gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
29786	unshare_all_trees): Make them static.
29787	* tree-gimple.h: Remove the corresponding prototypes.
29788
29789	* diagnostic.h: Remove unused prototype
29790	debug_output_buffer.
29791	* modulo-sched.c: Remove unused prototype
29792	set_row_column_for_ps.
29793
29794	* tree-ssa-phiopt.c (tree_ssa_phiopt,
29795	replace_phi_edge_with_variable): Remove unused variable i.
29796
297972005-03-07  Per Bothner  <per@bothner.com>
29798
29799	* tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
29800
298012005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
29802
29803	PR tree-opt/17671
29804	* tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
29805	bbs on the COND_EXPR instead of the PHI_NODEs.
29806	(candidate_bb_for_phi_optimization): Remove.
29807	(replace_phi_with_stmt): Rename to ...
29808	(replace_phi_edge_with_variable): this and change so that we
29809	replace the phi argument instead of removing the PHI.
29810	(conditional_replacement): Change so we deal with PHI with more
29811	than two arguments.
29812	(value_replacement): Likewise.
29813	(abs_replacement): Likewise.
29814
298152005-03-07  Aldy Hernandez  <aldyh@redhat.com>
29816
29817	* config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
29818	output_e500_flip_gt_bit.
29819
29820	* config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
29821	as bit 31.
29822	(rs6000_generate_compare): Fix logic to look at the correct bits.
29823	(output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
29824	Look at GT bit.
29825	(rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
29826	gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
29827	gen_move_from_CR_gt_bit.
29828
29829	* config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
29830	("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
29831	(UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
29832
29833	* config/rs6000/spe.md ("e500_cr_ior_compare"): New.
29834	(E500_CR_IOR_COMPARE): New constant.
29835
298362005-03-08  Earl Chew <earl_chew@agilent.com>
29837	    David Billinghurst <David.Billinghurst@riotinto.com>
29838
29839	* config/i386/host-cygwin.c: New file to support precompiled
29840	headers on cygwin
29841	* config/i386/x-cygwin: Use host-cygwin.c on cygwin host
29842	* config.host: Use above files for cygwin host.
29843
298442005-03-07  David Edelsohn  <edelsohn@gnu.org>
29845
29846	* fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
29847	ordering ops from earlier change.
29848
298492005-03-07  Per Bothner  <per@bothner.com>
29850
29851	Various fixes to allow us to again build if --enable-mapped-location:
29852	* c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
29853	unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
29854	* tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
29855	local variable loc. Change logic appropriately.
29856	* tree-vect-transform.c (vect_finish_stmt_generation): Use
29857	EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
29858	* c-parser.c (c_parser_for_statement): Initialize loc variable.
29859	* tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
29860	DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
29861
298622005-03-07  Richard Sandiford  <rsandifo@redhat.com>
29863
29864	PR rtl-optimization/19683
29865	* reload1.c (choose_reload_regs): Pass the number of bits, not the
29866	number of bytes, to smallest_int_for_mode.  Fix arguments to
29867	REG_CANNOT_CHANGE_MODE_P.
29868
298692005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
29870
29871	* reorg.c (relax_delay_slots): Check that the jump is
29872	conditional before trying to invert it.
29873
298742005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
29875
29876	* bb-reorder.c (max_entry_frequency, max_entry_frequency):
29877	Make them static.
29878
29879	* calls (stack_arg_under_construction): Make it static.
29880
29881	* flow.c (regs_live_at_setjmp): Make it static.
29882	* flow.h: Remove the corresponding prototype.
29883
29884	* reload1.c (reload_startobj, reload_firstobj,
29885	something_needs_operands_changed, reload_inherited,
29886	reload_inheritance_insn, reload_override_in,
29887	reload_spill_index): Make them static.
29888
29889	* recog.c (verify_changes): Make it static.
29890	* recog.h: Remove the corresponding prototype.
29891
29892	* cfgbuild.c (find_sub_basic_blocks): Remove.
29893	* basic-block.h: Remove the corresponding prototype.
29894	* cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
29895	in comments.
29896	* doc/cfg.texi: Don't mention find_sub_basic_blocks.
29897
29898	* tree-ssa-operands.c (check_build_stmt): Remove.
29899
29900	* stor-layout.c (set_alignment): Remove.
29901	* tree.h: Remove the corresponding prototype.
29902
29903	* tree-ssa-pre.c (has_abnormal_preds): Make it static.
29904
29905	* tree-ssa-dce.c (control_dependence_map,
29906	visited_control_parents): Make them static.
29907
29908	* cfghooks.c (verify_flow_info): Remove local variable
29909	num_bb_notes.
29910
29911	* cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
29912	last_bb_seen.
29913
29914	* loop-unswitch.c (unswitch_loop): Remove local variable src.
29915
299162005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
29917
29918	* config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
29919
299202005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
29921
29922	* config/ia64/hpux.h (LINK_SPEC): Add -z.
29923	* config/ia64/ia64.c (ia64_function_value): Return a REG not a
29924	PARALLEL for an empty structure.
29925
299262005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
29927
29928	* fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
29929
29930	* fold-const.c (fold_binary): Unroll the very first "for"
29931	loop.
29932
299332005-03-06  David Edelsohn  <edelsohn@gnu.org>
29934
29935	* config/rs6000/predicates.md (branch_comparison_operator): Remove
29936	redundant match_code test.
29937	(scc_comparison_operator): Swap match_operand and match_code
29938	tests.
29939	(branch_positive_comparison_operator): Same.
29940	(trap_comparison_operator): Use comparison_operator and swap with
29941	match_code test.
29942
299432005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
29944
29945	PR target/20288
29946	* config/avr/avr.c (print_operand): Add 'p' and 'r'.
29947	(out_movhi_r_mr): Read low byte of volatile MEM first.
29948	(out_movhi_mr_r): Write high byte of volatile MEM first.
29949
299502005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
29951
29952	* cselib.c (reg_values, reg_values_size): Make them static.
29953
29954	* cse.c (cse_reg_info_table): Make it static.
29955
29956	* fold-const.c (fold_unary): Use build1 instead of copy_node.
29957
299582005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
29959
29960	* cse.c (find_best_addr): Use canon_for_address.
29961
299622005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
29963
29964	* cse.c (fold_rtx_subreg, fold_rtx_mem): New.
29965	(fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
29966	SUBREG and MEM, respectively.
29967
29968	* fold-const.c (fold_binary): Use code instead of t.
29969
29970	* fold-const.c (optimize_minmax_comparison): Take decomposed
29971	arguments code, type, op0, and op1 instead of t.
29972	(fold_binary): Update a call to optimize_minmax_comparison.
29973
29974	* fold-const.c (fold_range_test): Take decomposed arguments
29975	code, type, op0, and op1 instead of t.
29976	(fold_binary): Update a call to fold_range_test.
29977
29978	* fold-const.c (fold_binary_op_with_conditional_arg): Take
29979	decomposed arguments code, type, op0, and op1 instead of t.
29980	(fold_binary): Update a call to fold_range_test.
29981
299822005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
29983
29984	* fold-const.c (fold_binary): Avoid directly using the original
29985	expression t as much as possible.
29986
299872005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
29988
29989	* c-semantics.c (build_stmt): Use TYPE_P instead of
29990	IS_NON_TYPE_CODE_CLASS.
29991	* tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
29992	(NON_TYPE_CHECK): Use TYPE_P instead of
29993	IS_NON_TYPE_CODE_CLASS.
29994
29995	* fold-const.c (fold): Remove handling of binary expressions.
29996
299972005-03-05  James A. Morrison  <phython@gcc.gnu.org>
29998
29999	* doc/c-tree.texi: Wrap comments in @r{}.
30000	* doc/cpp.texi: Likewise.
30001	* doc/cppinternals.texi: Likewise.
30002	* doc/extend.texi: Likewise.
30003	* doc/md.texi: Likewise.
30004	* doc/objc.texi: Likewise.
30005	* doc/sourcebuild.texi: Likewise.
30006	* doc/tm.texi: Likewise.
30007	* doc/tree-ssa.texi
30008
300092005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
30010
30011	* predict.c (apply_return_prediction): Standardize PHI chain
30012	walking.
30013	* tree-ssa.c (ssa_redirect_edge): Likewise.
30014
30015	* genattrtab.c, genemit.c, genoutput.c, genrecog.c,
30016	gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
30017	Update copyright.
30018
30019	* tree-phinodes.c (remove_phi_node): Drop the last argument.
30020	* tree-flow.h: Adjust the prototype for remove_phi_node.
30021	* lambda-code.c (perfect_nestify): Adjust a call to
30022	remove_phi_node.
30023	* tree-cfg.c
30024	(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
30025	* tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
30026	Likewise.
30027	* tree-ssa-dce.c (remove_dead_phis): Likewise.
30028	* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
30029	* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
30030	* tree-ssa.c (kill_redundant_phi_nodes): Likewise.
30031
30032	* combine.c (simplify_and_const_int): Use gen_int_mode instead
30033	of GEN_INT (trunc_int_for_mode (...)).
30034	* loop-iv.c (iv_number_of_iterations): Likewise.
30035	* postreload.c (reload_cse_move2add): Likewise.
30036	* simplify-rtx.c (simplify_const_unary_operation,
30037	simplify_const_binary_operation): Likewise.
30038	* stor-layout.c (get_mode_bounds): Likewise.
30039
30040	* fold-const.c (fold_binary): New.
30041	(fold): Call fold_binary on binary expressions.
30042
300432005-03-05  Richard Sandiford  <rsandifo@redhat.com>
30044
30045	* doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
30046	* config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
30047	(TARGET_SWITCHES): Add -msym32 and -mno-sym32.
30048	(ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
30049	(ASM_SPEC): Pass down -msym32 and -mno-sym32.
30050
300512005-03-04  Devang Patel  <dpatel@apple.com>
30052
30053	PR tree-optimization/18815
30054	* tree-if-conv.c (combine_blocks): Adjust loop header edges for
30055	loops with zero exit edges.
30056
300572005-03-04  Devang Patel  <dpatel@apple.com>
30058
30059	* doc/invoke.texi: Remove reference to webpage that does not exist.
30060
300612005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
30062	    Joseph S. Myers  <joseph@codesourcery.com>
30063
30064	PR c++/19797
30065	* pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
30066	(ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
30067	* pa-protos.h (pa_hpux_asm_output_external): Add prototype.
30068	* pa.c (get_plabel): Change argument to symbol_ref.  Call
30069	maybe_get_identifier instead of get_identifier.
30070	(pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
30071	(struct deferred_plabel): Replace name field with symbol field.
30072	(TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
30073	ASM_OUTPUT_EXTERNAL_REAL is defined.
30074	(output_global_address): Use output_addr_const for output of all
30075	symbol_refs.
30076	(output_deferred_plabels): Use symbol_ref instead of name for address
30077	output.
30078	* pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
30079	ASM_OUTPUT_SYMBOL_REF): New macros.
30080	* som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
30081	comment.
30082	(ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
30083	label.
30084
300852005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
30086
30087	* config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
30088	*-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
30089
300902005-03-04  Jeff Law  <law@redhat.com>
30091
30092	* basic-block.h (rediscover_loops_after_threading): Declare.
30093	* tree-ssa-dom.c: Include cfgloop.h.
30094	(tree_ssa_dominator_optimize): Discover loops and some basic
30095	properties.  Remove forwarder blocks recreated by loop header
30096	canonicalization.  Also mark backedges in the CFG.
30097	* tree-ssa-threadupdate.c: Include cfgloop.h
30098	(rediscover_loops_after_threading): Define.
30099	(struct local_info): New field, JUMP_THREADED.
30100	(prune_undesirable_thread_requests): New function.
30101	(redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
30102	then record that fact for the callers of redirct_edges.
30103	(thread_block): If BB has incoming backedges, then call
30104	prune_undesirable_thraed_requests.  Note when we are
30105	going to have to rediscover loop information.  Return a
30106	boolean indicating if any jumps were threaded.
30107	(thread_through_all_blocks): Bubble up boolean indicating
30108	if any jumps were threaded.
30109	* Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
30110	(tree-ssa-threadupdate.o): Similarly.
30111
301122005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
30113
30114	* fold-const.c (fold_ternary): Unroll the "for" loop to
30115	extract operands.
30116
301172005-03-04  Andrew Haley  <aph@redhat.com>
30118
30119	* unwind-dw2-fde-glibc.c (struct
30120	unw_eh_callback_data.check_cache): New field.
30121	(frame_hdr_cache): New.
30122	(_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
30123	Cache frame header info.
30124
301252005-03-04  Richard Sandiford  <rsandifo@redhat.com>
30126
30127	* rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
30128	(print_c_condition): Declare.
30129	* read-rtl.c (ptr_loc): New structure.
30130	(ptr_locs, ptr_loc_obstack, joined_conditions)
30131	(joined_conditions_obstack): New variables.
30132	(leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
30133	(get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
30134	(join_c_conditions, print_c_condition): New functions.
30135	(apply_macro_to_string): Associate the new string with the same
30136	source location as the old one.
30137	(add_condition_to_string): Use join_c_conditions.
30138	(read_string): Use set_rtx_ptr_loc to record a filename and line
30139	number for the string.
30140	(read_rtx): Initialize the new variables above.
30141	* genattrtab.c (write_test_expr, write_attr_value): Use
30142	print_c_condition.
30143	* genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
30144	comment above the GCC_VERSION check.
30145	(write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
30146	Inline the definition of MAYBE_EVAL.
30147	* genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
30148	* genoutput.c (process_template): Likewise.
30149	* genpreds.c (write_predicate_subfunction): Likewise.
30150	(write_predicate_expr): Use print_c_condition.
30151	* genrecog.c (write_cond): Likewise.
30152	* gensupport.c (process_rtx): Use join_c_conditions to join the
30153	conditions of a define_insn_and_split.  Record a source location
30154	for the string after the "&&".
30155	(alter_test_for_insn): Use join_c_conditions.
30156
301572005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
30158
30159	Revert for now:
30160	2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
30161	PR tree-optimization/15784
30162	* fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
30163	and -1 - A to ~A.
30164
301652005-03-04  Ben Elliston  <bje@au.ibm.com>
30166
30167	* gcc.c (option_map): Add --coverage.
30168	(LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
30169	(cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
30170	* config/darwin.h: Pass -lgcov for `coverage'.
30171	* doc/invoke.texi (Debugging Options): Document --coverage.
30172
301732005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
30174
30175	* gcse.c (bypass_block): Use find_edge wherever possible.
30176
301772005-03-03  Daniel Berlin <dberlin@dbrelin.org>
30178
30179	Fix PR debug/20253
30180
30181	* c-opts.c (c_common_parse_file): Call start_source_file
30182	and end_source_file at the approriate times.
30183
30184	* dwarf2out.c (dwarf2out_finish): Don't auto-end
30185	the main file, it will be done for us now.
30186
301872005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
30188
30189	* fold-const.c (fold_ternary): New.
30190	(fold): Call fold_ternary on ternary expressions.  Remove
30191	handling of ternary expressions.
30192
301932005-03-03  James A. Morrison  <phython@gcc.gnu.org>
30194
30195	PR tree-optimization/15784
30196	* fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
30197	and -1 - A to ~A.
30198
301992005-03-03  David Edelsohn  <edelsohn@gnu.org>
30200
30201	* config/rs6000/predicates.md (branch_comparison_operator):
30202	Convert from C block to conditional format.
30203
302042005-03-03  Jan Hubicka  <jh@suse.cz>
30205
30206	* tree-dfa.c (add_referenced_var): Don't walk initializer of external
30207	and non-constant public variables.
30208
302092005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
30210
30211	* tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
30212	with LABEL_EXPR.
30213
30214	* cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
30215	EDGE_I.
30216
30217	* tree-phinodes.c (remove_phi_node): Clean up by factoring out
30218	calls to release_ssa_name and release_phi_node.
30219
30220	* fold-const.c (fold): Remove handling of unary expressions.
30221
30222	* fold-const.c (fold_unary): Avoid directly using the original
30223	expression t as much as possible.
30224
302252005-03-03  Roger Sayle  <roger@eyesopen.com>
30226	    Andrew Pinski  <pinskia@physics.uc.edu>
30227
30228	* jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
30229	RETURN rtx, and not a LABEL_REF containing a NULL pointer.
30230
302312005-03-03  Hans-Peter Nilsson  <hp@axis.com>
30232
30233	Describe special registers SRP and MOF as allocatable registers.
30234	* config/cris/cris.c (cris_md_asm_clobbers): New function.
30235	(TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
30236	(cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
30237	TARGET_HAS_MUL_INSNS.
30238	(cris_print_operand) <case 'd'>: New case.
30239	<case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
30240	* config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
30241	define.
30242	(FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
30243	(REG_ALLOC_ORDER): Update for MOF.
30244	(enum reg_class): New members MOF_REGS, GENERAL_REGS and
30245	SPECIAL_REGS.
30246	(GENERAL_REGS): No longer a define of ALL_REGS.
30247	(REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
30248	(PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
30249	Adjust accordingly.
30250	(CRIS_SPECIAL_REGS_CONTENTS): New macro.
30251	(REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
30252	(SECONDARY_RELOAD_CLASS): Define.
30253	(STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
30254	(FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
30255	(ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
30256	(STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
30257	(REGISTER_MOVE_COST): Define.
30258	(PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
30259	* config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
30260	(CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
30261	(CRIS_MOF_REGNUM): New define_constants.
30262	("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
30263	special registers.
30264	("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
30265	New patterns.
30266	("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
30267	("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
30268	Adjust for MOF being properly described as a register.
30269	(indir_to_reg_split): Name this split.  Conditionalize on the
30270	destination register being a general register.
30271	(movei): Conditionalize on on operands 0 and 1 having the same
30272	register class.
30273
302742005-03-03  Alan Modra  <amodra@bigpond.net.au>
30275
30276	PR target/20277
30277	* config/rs6000/rs6000.c (rs6000_override_options): Don't allow
30278	-mcpu to override any other explicitly given flags.
30279
302802005-03-02  J"orn Rennecke <joern.rennecke@st.com>
30281
30282	* recog.c (verify_changes, confirm_change_group): New functions,
30283	broken out of apply_change_group.
30284	(apply_change_group): Use them.
30285	* recog.h (verify_change, confirm_change_group): Declare.
30286	* rtl.h (redirect_jump_2): Declare.
30287	* jump.c (redirect_exp, invert_exp): Delete.
30288	(invert_exp_1): Take second parameter.  Return value.  Changed caller.
30289	(redirect_jump_2): New function, broken out of redirect_jump.
30290	(redirect_jump): Use redirect_jump_1 and redirect_jump_2.
30291	(invert_jump): Use invert_jump_1 and redirect_jump_2.
30292	* ifcvt.c (dead_or_predicable): Use redirect_jump_2.
30293
302942005-03-02  Geoffrey Keating  <geoffk@apple.com>
30295
30296	* varasm.c (named_section): Use xstrdup rather than doing it by
30297	hand.
30298
30299	* config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
30300
303012005-03-02  Devang Patel  <dpatel@apple.com>
30302
30303	Undo PR tree-optimization/18815 fix.
30304
303052005-03-02  Devang Patel  <dpatel@apple.com>
30306
30307	PR tree-optimization/18815
30308	* tree-if-conv.c (combine_blocks): Adjust loop header edges for
30309	loops with zero exit edges.
30310
303112005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
30312
30313	* cfg.c (connect_src, connect_dest, disconnect_src,
30314	disconnct_dest): New.
30315	(unchecked_make_edge, remove_edge, redirect_edge_succ,
30316	redirect_edge_pred): Use the new functions.
30317
30318	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
30319	free_dominance_info only when needed.
30320
303212005-03-02  David Edelsohn  <edelsohn@gnu.org>
30322
30323	PR target/20276
30324	* config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
30325	(reg_or_sub_cint64_operand): Same.
30326
303272005-03-02  Jeff Law  <law@redhat.com>
30328
30329	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
30330	CFG_ALTERED in the main DOM iteration loop.
30331
303322005-03-02  Mark Mitchell  <mark@codesourcery.com>
30333
30334	PR c++/19916
30335	* varasm.c (initializer_constant_valid_p): Allow conversions
30336	between OFFSET_TYPEs.  Tidy.
30337
303382005-03-02  Hans-Peter Nilsson  <hp@axis.com>
30339
30340	* config/cris/cris.md ("return"): Remove epilogue delay list
30341	sanity check.
30342
303432005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
30344
30345	* config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
30346	for Thumb.
30347	* config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
30348
303492005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
30350
30351	* cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
30352	loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
30353	config/m68k/m68k.c, config/mips/mips.h,
30354	config/rs6000/rs6000-protos.h, doc/contrib.texi,
30355	doc/include/gcc-common.texi: Update copyright.
30356
30357	PR middle-end/18029 and PR middle-end/18030
30358	* expr.c (optimize_bitfield_assignment_op): Add a special case
30359	to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
30360
30361	* fold-const.c (fold_unary): New.
30362	(fold): Call fold_unary on unary expressions.
30363
303642005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
30365
30366	* cgraph.h (struct cgraph_edge): Add prev_caller and
30367	prev_callee fields.
30368	(cgraph_node_remove_callees): Export.
30369	* cgraph.c (cgraph_create_edge): Initialize prev_caller
30370	and prev_callee.
30371	(cgraph_edge_remove_callee): New function.
30372	(cgraph_edge_remove_caller): Likewise.
30373	(cgraph_remove_edge): Use.
30374	(cgraph_redirect_edge_callee): Likewise.
30375	(cgraph_node_remove_callees): New function.
30376	(cgraph_node_remove_callers): Likewise.
30377	(cgraph_remove_node): Use.
30378	* tree-optimize.c (tree_rest_of_compilation): Use
30379	cgraph_node_remove_callees instead of manual loop.
30380	* cgraphunit.c (cgraph_finalize_function): Likewise.
30381	(cgraph_expand_function): Likewise.
30382	(cgraph_remove_unreachable_nodes): Likewise.
30383
303842005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
30385
30386	PR c/8927
30387	* c-tree.h (undeclared_variable, build_external_ref): Add extra
30388	argument.
30389	* c-decl.c (undeclared_variable): Take location as argument.
30390	* c-typeck.c (build_external_ref): Likewise.
30391	* c-parser.c (c_parser_postfix_expression): Pass location of
30392	identifier to build_external_ref.
30393
303942005-03-01  David Edelsohn  <edelsohn@gnu.org>
30395
30396	* config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
30397	CCEQ mode for branch_positive_comparison_operator test.
30398	* config/rs6000/predicates (branch_comparison_operator): Revert to
30399	define_predicate.
30400	(scc_comparison_operator): Same.
30401	(branch_positive_comparison_operator): Same.
30402
304032005-03-01  Hans-Peter Nilsson  <hp@axis.com>
30404
30405	* config/cris/cris.c (cris_eligible_for_epilogue_delay)
30406	(cris_delay_slots_for_epilogue): Remove.
30407	(save_last): Move into cris_target_asm_function_epilogue.
30408	(cris_target_asm_function_epilogue): Remove tests for file being
30409	NULL.
30410	* config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
30411	(cris_delay_slots_for_epilogue): Remove prototypes.
30412	* config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
30413	(ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
30414
304152005-03-01  David Edelsohn  <edelsohn@gnu.org>
30416
30417	* config/rs6000/predicates.md (branch_comparison_operator): Change
30418	to define_special_predicate.
30419	(scc_comparison_operator): Same.
30420	(branch_positive_comparison_operator): Same.
30421
304222005-03-01  Daniel Berlin <dberlin@dberlin.org>
30423
30424	* Makefile.in (tree-ssa-sink.o): New.
30425	(OBJS-common): Add tree-ssa-sink.o.
30426	* common.opt: Add -ftree-sink
30427	* opts.c (decode_options): flag_tree_sink is set at O1 or higher.
30428	* timevar.def (TV_TREE_SINK): new timevar.
30429	* tree-flow.h (is_hidden_global_store): Prototype.
30430	* tree-optimize.c (init_tree_optimization_passes): Add
30431	pass_sink_code.
30432	* tree-pass.h (pass_sink_code): New.
30433	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
30434	for non-obvious global store store to is_hidden_global_store, and
30435	call that new function.
30436	* tree-ssa-sink.c: New file.
30437	* doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
30438	* doc/passes.texi: Document forward store motion.
30439	* testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
30440	* testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
30441	* testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
30442	* testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
30443
304442005-03-01  Per Bothner  <per@bothner.com>
30445
30446	* diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
30447	and we have a non-zero column-number, add it to the message.
30448	Also factor out the diagnostic_kind_text.
30449
304502005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
30451
30452	* cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
30453	flow_loop_pre_header_scan, flow_loop_pre_header_find,
30454	flow_loop_scan): Removed.
30455	(flow_loop_dump): Do not dump removed fields.
30456	(flow_loop_free): Do not free removed fields.
30457	(flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
30458	(loop_exit_edge_p): New function.
30459	* cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
30460	num_pre_header_edges, entry_edges, num_entries, exit_edges,
30461	num_exits, exits_doms.
30462	(LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
30463	LOOP_EDGES, LOOP_ALL): Removed.
30464	(flow_loop_scan): Declaration removed.
30465	(loop_exit_edge_p, mark_loop_exit_edges): Declare.
30466	* cfgloopmanip.c (create_loop_notes): Do not pass flags to
30467	flow_loops_find.
30468	* ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
30469	(if_convert): Call flow_loops_find and flow_loops_free
30470	when calling mark_loop_exit_edges.
30471	* cfgloopanal.c (mark_loop_exit_edges): Moved from
30472	ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
30473	free_dominance_info calls.
30474	* loop-init.c (flow_loops_find): Ditto.
30475	* passes.c (rest_of_handle_branch_prob): Ditto.
30476	* lambda-code.c (perfect_nestify): Do not call flow_loops_find.
30477	* loop-unroll.c (analyze_insns_in_loop): Do not use
30478	EDGE_LOOP_EXIT.
30479	* predict.c (predict_loops): Do not call flow_loop_scan.
30480	Use get_loop_exit_edges.
30481	(tree_estimate_probability): Do not pass flags to flow_loops_find.
30482	* tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
30483	Do not use EDGE_LOOP_EXIT.
30484	(tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
30485	to bb_with_exit_edge_p.
30486	(if_convertible_loop_p): Do not call flow_loop_scan.  Use
30487	loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
30488	to bb_with_exit_edge_p.
30489	(combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
30490	EDGE_LOOP_EXIT.
30491	* tree-loop-linear.c (linear_transform_loops): Do not call
30492	flow_loop_scan.  Use loop->single_exit.
30493	* tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
30494	(vect_analyze_loop_form): Do not call flow_loop_scan.
30495	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
30496	loop->single_exit.
30497	(vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
30498	loop->single_exit.
30499	* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
30500	slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
30501	slpeel_tree_duplicate_loop_to_edge_cfg,
30502	slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
30503	Use loop_preheader_edge and loop->single_exit.  Do not call
30504	flow_loop_scan.
30505
305062005-03-01  Nick Clifton  <nickc@redhat.com>
30507
30508	* config/arm/arm.c (thumb_find_work_register): Check all of the
30509	argument registers to see if they are free, and a couple of
30510	special cases where the last argument register but can be proved
30511	to be available during the function's prologue.
30512	(print_multi_reg, arm_compute_save_reg0_reg12_mask,
30513	output_return_instruction, emit_multi_reg_push, thumb_pushpop,
30514	thumb_unexpanded_epilogue): Use unsigned long as the type for the
30515	register bit-mask.
30516	(thumb_compute_save_reg_mask): Likewise.  Also use
30517	thumb_find_work_register() to ensure that there is agreement about
30518	which work register is going to be used in the prologue.
30519	(thumb_output_function_prologue): Use unsigned long as the type
30520	for the register bit-mask.  Also delay pushing the link register if
30521	other high registers are going to be pushed.
30522	(thumb_compute_save_reg_mask, emit_multi_reg_push,
30523	print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
30524	redundant prototypes.
30525
305262005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
30527
30528	PR target/19819
30529	* pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
30530	and after reload in REG+REG indexed addresses without REG_POINTER
30531	set in the base and not set in the index.
30532
305332005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
30534
30535	* config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
30536	Don't undefine here.
30537	(HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
30538	(NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
30539	(TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
30540	(LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
30541	LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
30542	Delete.
30543	* config.gcc (sh*-*-linux*): Use config/linux.h.
30544
305452005-02-28  Dale Johannesen  <dalej@apple.com>
30546	    Stan Shebs  <shebs@apple.com>
30547
30548	Rewrite of 64-bit Darwin structure-by-value pass/return.
30549	* config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
30550	intoffset, use_stack, named.
30551	* config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
30552	(rs6000_darwin64_record_arg_advance_flush): New.
30553	(rs6000_darwin64_record_arg_advance_recurse): New.
30554	(rs6000_darwin64_record_arg_flush): New.
30555	(rs6000_darwin64_record_arg_recurse): New.
30556	(rs6000_darwin64_record_arg): New.
30557	(rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
30558	(function_arg_boundary): Handle 128-bit aligned structs.
30559	(function_arg_advance): Rewrite darwin64 struct handling.
30560	(function_arg): Call rs6000_darwin64_record_arg.
30561	(function_arg_partial_nregs): Handle darwin64 structs.
30562	(rs6000_darwin64_function_value): Remove.
30563	(rs6000_function_value): Call rs6000_darwin64_record_arg.
30564
305652005-02-28  Roger Sayle  <roger@eyesopen.com>
30566
30567	PR tree-optimization/20216
30568	* tree-chrec.c (tree_fold_factorial): Delete.
30569	(tree_fold_binomial): Change argument list to take a return type
30570	and change the type of K to unsigned int.  Rewrite to avoid explicit
30571	evaluation of factorials, and (recursively) calling fold to perform
30572	compile-time arithmetic.  Return NULL on (internal) overflow.
30573	(chrec_evaluate): Change type of K to an unsigned int.  Avoid
30574	calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
30575	if any intermediate calculation overflows.
30576	(chrec_apply): Update call to chrec_evaluate.
30577
305782005-02-28  James E Wilson  <wilson@specifixinc.com>
30579
30580	* config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
30581
305822005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
30583
30584	PR c/20245
30585	* c-parser.c (c_parser_compound_statement): Return error_mark_node
30586	instead of NULL_TREE on error.
30587
305882005-02-28  David Edelsohn  <edelsohn@gnu.org>
30589
30590	* config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
30591	(EASY_VECTOR_15_ADD_SELF): Remove.
30592	(num_insns_constant_wide): Not static.
30593	(validate_condition_mode): Not static.
30594	(toc_relative_expr_p): Not static.
30595	(legitimate_indirect_address_p): Not static.
30596	(macho_lo_sum_memory_operand): Not static.
30597	(invalid_e500_subreg): Not static.
30598	(easy_vector_same): Not static.
30599	(easy_vector_splat_const): Not static.
30600	(RS6000_SYMBOL_REF_TLS_P): Remove.
30601	(any_operand): Delete.
30602	(any_parallel_operand): Delete.
30603	(count_register_operand): Delete.
30604	(altivec_register_operand): Delete.
30605	(xer_operand): Delete.
30606	(s8bit_cint_operand): Delete.
30607	(short_cint_operand): Delete.
30608	(u_short_cint_operand): Delete.
30609	(non_short_cint_operand): Delete.
30610	(exact_log2_cint_operand): Delete.
30611	(gpc_reg_operand): Delete.
30612	(cc_reg_operand): Delete.
30613	(cc_reg_not_cr0_operand): Delete.
30614	(reg_or_short_operand): Delete.
30615	(reg_or_neg_short_operand): Delete.
30616	(reg_or_aligned_short_operand): Delete.
30617	(reg_or_u_short_operand): Delete.
30618	(reg_or_cint_operand): Delete.
30619	(reg_or_arith_cint_operand): Delete.
30620	(reg_or_add_cint64_operand): Delete.
30621	(reg_or_sub_cint64_operand): Delete.
30622	(reg_or_logical_cint_operand): Delete.
30623	(got_operand): Delete.
30624	(got_no_const_operand): Delete.
30625	(easy_fp_constant): Delete.
30626	(easy_vector_constant): Delete.
30627	(easy_vector_constant_add_self): Delete.
30628	(zero_constant): Delete.
30629	(zero_fp_constant): Delete.
30630	(volatile_mem_operand): Delete.
30631	(offsettable_mem_operand): Delete.
30632	(mem_or_easy_const_operand): Delete.
30633	(add_operand): Delete.
30634	(non_add_cint_operand): Delete.
30635	(logical_operand): Delete.
30636	(non_logical_cint_operand): Delete.
30637	(mask_operand): Delete.
30638	(mask_operand_wrap): Delete.
30639	(mask64_operand): Delete.
30640	(mask64_2_operand): Delete.
30641	(and64_operand): Delete.
30642	(and64_2_operand): Delete.
30643	(and_operand): Delete.
30644	(reg_or_mem_operand): Delete.
30645	(lwa_operand): Delete.
30646	(symbol_ref_operand): Delete.
30647	(call_operand): Delete.
30648	(current_file_function_operand): Delete.
30649	(input_operand): Delete.
30650	(rs6000_nonimmediate_operand): Delete.
30651	(rs6000_tls_symbol_ref): Delete.
30652	(save_world_operation): Delete.
30653	(restore_world_operation): Delete.
30654	(load_multiple_operation): Delete.
30655	(store_multiple_operation): Delete.
30656	(vrsave_operation): Delete.
30657	(mfcr_operation): Delete.
30658	(mtcrf_operation): Delete.
30659	(lmw_operation): Delete.
30660	(stmw_operation): Delete.
30661	(branch_comparison_operator): Delete.
30662	(branch_positive_comparison_operator): Delete.
30663	(scc_comparison_operator): Delete.
30664	(trap_comparison_operator): Delete.
30665	(boolean_operator): Delete.
30666	(boolean_or_operator): Delete.
30667	(min_max_operator): Delete.
30668	* config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
30669	(EASY_VECTOR_15): Moved to here.
30670	(EASY_VECTOR_15_ADD_SELF): Move to here.
30671	(PREDICATE_CODES): Delete.
30672	* config/rs6000/rs6000-protos.h: Delete predicate functions.
30673	Declare functions no longer static.
30674	* config/rs6000/predicates.md: New.
30675	* config/rs6000/rs6000.md: Include predicates.md
30676
306772005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
30678
30679	* calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
30680	(emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
30681	REG_ALWAYS_RETURN.
30682	* cfgrtl.c (need_fake_edge_p): Likewise.
30683	* combine.c (distribute_notes): Likewise.
30684	* emit-rtl.c (try_split): Likewise.
30685	* recog.c (peephole2_opimize): Likewise.
30686	* reg-notes.def (ALWAYS_RETURN): Remove.
30687	* rtl.h (LCT_ALWAYS_RETURN): Remove.
30688	* tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
30689	* tree.h (ECF_ALWAYS_RETURN): Remove.
30690
306912005-02-28  Roger Sayle  <roger@eyesopen.com>
30692
30693	PR middle-end/19874
30694	* tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
30695	between different machine modes is never a "useless" conversion.
30696
306972005-02-28  Geert Bosch  <bosch@gnat.com>
30698
30699	PR ada/15977
30700	* doc/contrib.texi: List contributors for Ada front end
30701
307022005-02-28 Paolo Bonzini <bonzini@gnu.org>
30703
30704	* simplify-rtx.c (simplify_unary_operation_1,
30705	simplify_const_unary_operation): New, extracted from...
30706	(simplify_unary_operation): ... this one.
30707	(simplify_binary_operation_1,
30708	simplify_const_binary_operation): New, extracted from...
30709	(simplify_binary_operation): ... this one.
30710	* rtl.h (simplify_const_unary_operation,
30711	simplify_const_binary_operation): Add prototypes.
30712
307132005-02-28  Julian Brown  <julian@codesourcery.com>
30714
30715	* config/elfos.h: Revert my patch from 2005-02-25 since it broke
30716	building libjava and caused PR regression/20228.
30717
307182005-02-28  Paolo Bonzini  <bonzini@gnu.org>
30719
30720	PR bootstrap/17383
30721	* Makefile.in (host_subdir): New.
30722	(build_objdir): New.  Replace ../$(build_subdir) with it throughout.
30723	* configure: Regenerate.
30724
307252005-02-27  Zack Weinberg  <zack@codesourcery.com>
30726
30727	* config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
30728	* config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
30729	installation directory first.
30730
307312005-02-28  Hans-Peter Nilsson  <hp@axis.com>
30732
30733	PR target/19065.
30734	* config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
30735	not including (reg). Do not check for reg being CRIS_PC_REGNUM.
30736	(EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
30737	* config/cris/cris.md: Tweak comments referring to Q.
30738	("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
30739	("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
30740	("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
30741	("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
30742	("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
30743	Insert spaces in constraints to align alternatives vertically for
30744	readability.
30745	("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
30746	operand 1: "M".
30747
307482005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
30749
30750	PR rtl-optimization/17728
30751	* pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
30752	operand 0 from general_operand to move_dest_operand.
30753
307542005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
30755
30756	* pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
30757	instead of trying to save and restore TREE_SYMBOL_REFERENCED.
30758	* pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
30759	(ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
30760
307612005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
30762
30763	* configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
30764	* configure: Regenerate.
30765	* libada-mk.in: Remove CC; rename
30766	cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
30767
307682005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
30769
30770	PR tree-opt/20188
30771	* tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
30772	for the lhs, also walk over the tree.  Likewise for rhs.
30773
307742005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
30775
30776	* tree-ssa-dom.c (simple_iv_increment_p): New function.
30777	(simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
30778	Do not propagate value of iv before increment over the increment.
30779
307802005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
30781
30782	* c-parser.c: New file.
30783	* c-parse.in: Remove.
30784	* Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
30785	Remove.
30786	(c-parser.o): Add dependencies.
30787	(C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
30788	maintainer-clean, TAGS): Update.
30789	* c-config-lang.in (gtfiles): Update.
30790	* gengtype-lex.l: Don't handle "@@".
30791	* stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
30792	objc_build_synchronized, objc_begin_try_stmt,
30793	objc_begin_catch_clause, objc_finish_catch_clause,
30794	objc_build_finally_clause, objc_finish_try_stmt): New.
30795	* c-tree.h (struct c_declspecs): Add declspecs_seen_p and
30796	type_seen_p.
30797	(c_parse_init): Update comment.
30798	* c-decl.c (c_init_decl_processing): Update comment.
30799	(build_null_declspecs, declspecs_add_qual, declspecs_add_type,
30800	declspecs_add_scspec, declspecs_add_attrs): Initialize and update
30801	new c_declspecs members.
30802
308032005-02-25  Julian Brown  <julian@codesourcery.com>
30804
30805	* config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
30806	from being used for symbols with vague linkage when
30807	HAVE_GAS_COMDAT_GROUP is true.
30808
308092005-02-25  Mark Mitchell  <mark@codesourcery.com>
30810
30811	* doc/include/gcc-common.texi (version-GCC): Update to 4.1.
30812
308132005-02-25  Steve Ellcey  <sje@cup.hp.com>
30814
30815	PR target/19930
30816	* doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
30817	(LIBGCC2_HAS_DF_MODE): New.
30818	(LIBGCC2_HAS_XF_MODE): New.
30819	(LIBGCC2_HAS_TF_MODE): New.
30820	* libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
30821	(LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
30822	* libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
30823	(LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
30824	(LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
30825	* config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
30826	and add _fixtfdi, _fixunstfdi, _floatditf
30827	* lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
30828	L_fixunstfdi, L_floatditf.
30829	* config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
30830	(LIBGCC2_HAS_TF_MODE): Define.
30831
308322005-02-25  Diego Novillo  <dnovillo@redhat.com>
30833
30834	PR tree-optimization/20204
30835	* tree-into-ssa.c (insert_phi_nodes_for): Do not use
30836	REWRITE_THIS_STMT markers on PHI nodes.
30837	(rewrite_initialize_block): Likewise.
30838
308392005-02-25  Mark Mitchell  <mark@codesourcery.com>
30840
30841	* version.c (version_string): Update to 4.1.
30842
308432005-02-25  Paolo Carlini  <pcarlini@suse.de>
30844
30845	* doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
30846	Clarify that the alternative way doesn't work in GNU C++.
30847
308482005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
30849
30850	PR tree-optimization/19937
30851	* tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
30852	to the type of the induction variable.
30853
308542005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
30855
30856	PR rtl-optimization/20117
30857	* bb-reorder.c (duplicate_computed_gotos): Don't duplicate
30858	the block including noncopyable insn.
30859
308602005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
30861
30862	* cse.c (delete_trivially_dead_insns): Speed up by minimizing
30863	calls to find_reg_note.
30864
308652005-02-24  Richard Henderson  <rth@redhat.com>
30866
30867	PR tree-opt/20127
30868	* tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
30869	the type.
30870
308712005-02-24  Fariborz Jahanian <fjahanian@apple.com>
30872
30873	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
30874	vector types if to use base reg for misaligned non-word ld/std.
30875
308762005-02-24  Hans-Peter Nilsson  <hp@axis.com>
30877
30878	PR target/14619
30879	* config/cris/cris.c (cris_target_asm_function_prologue): Create
30880	dwarf2 label manually and put it after, not before the prologue.
30881
308822005-02-24  David Edelsohn  <edelsohn@gnu.org>
30883
30884	PR target/19019
30885	* reload.c (operands_match_p): Only increment register number for
30886	SCALAR_INT_MODE_P modes in multiple hard registers.
30887
30888	* config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
30889	Fix formatting.
30890
308912005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
30892
30893	* ChangeLog.5: Fix log message typo(s).
30894	* ChangeLog.7: Likewise.
30895	* ChangeLog.tree-ssa: Likewise.
30896	* cfgexpand.c: Fix comment typo(s).
30897	* conflict.c: Likewise.
30898	* defaults.h: Likewise.
30899	* dwarf2out.c: Likewise.
30900	* gcse.c: Likewise.
30901	* ggc-page.c: Likewise.
30902	* tree-eh.c: Likewise.
30903	* tree-ssa-dom.c: Likewise.
30904
309052005-02-24  Jakub Jelinek  <jakub@redhat.com>
30906
30907	PR target/19019
30908	* mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
30909	* config/rs6000/darwin-ldouble.c: Only use the .symver directives
30910	if SHARED is defined.
30911
30912	PR target/20196
30913	* config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
30914	allow splitting only if operands 0 and 3 don't overlap.
30915
309162005-02-24  Richard Henderson  <rth@redhat.com>
30917
30918	PR middle-end/19953
30919	* builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
30920	(fold_builtin_1): Call them.
30921	* fold-const.c (fold_complex_mult_parts): Split out from ...
30922	(fold_complex_mult): ... here.  Fix typo in both imaginary case.
30923	(fold_complex_div_parts, fold_complex_div): New.
30924	(fold): Use them.
30925	* tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
30926
309272005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
30928
30929	* tree-ssa-ccp.c (visit_assignment): Verify that result of
30930	VIEW_CONVERT_EXPR is_gimple_min_invariant.
30931
30932	* print-tree.c (print_node_brief): Print LABEL_DECL_UID.
30933	(print_node): Likewise.
30934	Print TYPE_SIZES_GIMPLIFIED.
30935
309362005-02-24  Hans-Peter Nilsson  <hp@axis.com>
30937
30938	* config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
30939	("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
30940	operands as commutative in constraints.
30941
309422005-02-24  Diego Novillo  <dnovillo@redhat.com>
30943
30944	* tree-into-ssa.c: Re-organize internal functions.
30945
309462005-02-24  Richard Henderson  <rth@redhat.com>
30947
30948	PR middle-end/18902
30949	* c-opts.c (c_common_post_options): Set flag_complex_method to 2
30950	for c99.
30951	* common.opt (fcx-limited-range): New.
30952	* opts.c (set_fast_math_flags): Set flag_cx_limited_range.
30953	* toplev.c (flag_complex_method): Initialize to 1.
30954	(process_options): Set flag_complex_method to 0 if
30955	flag_cx_limited_range.
30956	* doc/invoke.texi (-fcx-limited-range): New.
30957
309582005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
30959
30960	* cse.c (delete_trivially_dead_insns): Speed up by using
30961	NEXT_INSN and PREV_INSN directly instead of next_real_insn and
30962	prev_real_insn.
30963
309642005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
30965
30966	* config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
30967	functions when -mid-shared-library is being used.
30968
309692005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
30970
30971	* doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
30972	(LINK_LIBGCC_SPECIAL_1): Don't mention it.
30973	* gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
30974	* system.h: Poison LINK_LIBGCC_SPECIAL.
30975
309762005-02-23  James E Wilson  <wilson@specifixinc.com>
30977
30978	* gengtype.c (note_insn_name): Make 1 element larger.
30979
309802005-02-23  Roger Sayle  <roger@eyesopen.com>
30981
30982	PR target/20018
30983	PR rtl-optimization/20097
30984	* simplify-rtx.c (simplify_relational_operation_1): Avoid creating
30985	BImode SUBREGs of SImode registers which confuse the ia64 backend.
30986
309872005-02-23  David Edelsohn  <edelsohn@gnu.org>
30988
30989	* t-aix43 (SHLIB_INSTALL): Create directory for shared library.
30990	* t-aix52 (SHLIB_INSTALL): Same.
30991
309922005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
30993
30994	* genpreds.c: Update copyright.
30995
309962005-02-23  Michael Beach  <michaelb@ieee.org>
30997
30998	PR target/20159
30999	* config/sparc/t-elf (startup files): Assemble with CPP.
31000
310012005-02-23  Paolo Bonzini  <bonzini@gnu.org>
31002
31003	* genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
31004	(write_predicate_expr): Likewise.
31005
310062005-02-22  Diego Novillo  <dnovillo@redhat.com>
31007
31008	PR tree-optimization/20100
31009	PR tree-optimization/20115
31010	* tree-optimize.c (init_tree_optimization_passes): Remove
31011	pass_maybe_create_global_var.
31012	* tree-pass.h (pass_maybe_create_global_var): Remove.
31013	* tree-ssa-alias.c (aliases_computed_p): Declare.
31014	(struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
31015	(count_calls_and_maybe_create_global_var): Remove.
31016	(pass_maybe_create_global_var): Remove.
31017	(init_alias_info): Do not declare aliases_computed_p.
31018	(maybe_create_global_var): If the function contains no
31019	call-clobbered variables and a mix of pure/const and regular
31020	function calls, create .GLOBAL_VAR.
31021	Mark all call-clobbered variables for renaming.
31022	(merge_pointed_to_info): Update comment.
31023	(add_pointed_to_var): Likewise.
31024	(is_escape_site): Likewise.
31025	Accept struct alias_info * instead of size_t *.
31026	Update all users.
31027	Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
31028	as necessary.
31029	* tree-ssa-operands.c (get_call_expr_operands): If
31030	ALIASES_COMPUTED_P is false, do not add call-clobbering
31031	operands.
31032	* tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
31033	(delete_tree_ssa): Likewise.
31034
310352005-02-22  James E Wilson  <wilson@specifixinc.com>
31036
31037	* toplev.c (backend_init): Don't call init_adjust_machine_modes here.
31038	(do_compile): Do call it here.
31039
310402005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
31041
31042	PR rtl-optimization/20017.
31043	* passes.c (rest_of_handle_combine, rest_of_handle_cse,
31044	rest_of_handle_cse2, rest_of_handle_gcse): Call
31045	delete_dead_jumptables immediately before calling cleanup_cfg.
31046
310472005-02-22  Devang Patel  <dpatel@apple.com>
31048
31049	PR 19952
31050	* tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
31051	all labels
31052
310532005-02-22  David Edelsohn  <edelsohn@gnu.org>
31054
31055	* config/rs6000/aix.h (WINT_TYPE): Define.
31056
310572005-02-22  Stan Shebs  <shebs@apple.com>
31058
31059	* config/rs6000/rs6000.c (rs6000_override_options): Default to
31060	natural alignment for 64-bit Darwin.
31061	(rs6000_parse_alignment_option): Warn about uses of -malign-power
31062	on 64-bit Darwin.
31063	* doc/invoke.texi: Document this.
31064
310652005-02-22  DJ Delorie  <dj@redhat.com>
31066
31067	* c-common.c (c_common_type_for_mode): Pass the mode's precision
31068	to make_[un]signed_type, not the mode itself.
31069
310702005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
31071
31072	* cfg.c (cached_make_edge): Call make_edge if edge cache is
31073	not available.  Use tail calls wherever possible.
31074	(make_edge): Call unchecked_make_edge to create an edge.
31075
31076	* tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
31077	(coalesce_ssa_name): Don't check for
31078	SSANORM_USE_COALESCE_LIST.
31079	(rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
31080
310812005-02-22  Diego Novillo  <dnovillo@redhat.com>
31082
31083	* tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
31084	(rewrite_into_ssa): ... here.
31085
310862005-02-21  Alexandre Oliva  <aoliva@redhat.com>
31087
31088	PR tree-optimization/19786
31089	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
31090	tag to another's may-alias bitmap when adding to the other's list.
31091
310922005-02-21  DJ Delorie  <dj@redhat.com>
31093
31094	* tree-ssa-loop-ivopts.c (computation_cost): Start register
31095	numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
31096	registers in unsupported ways.
31097	* expmed.c (init_expmed): Likewise.
31098
310992005-02-21  Stan Cox  <scox@redhat.com>
31100
31101	* config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
31102
311032005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
31104
31105	* tree-cfg.c (fold_cond_expr_cond): New.
31106	(make_edges): Call fold_cond_expr_cond.
31107	(find_taken_edge): Accept nothing but INTEGER_CST.
31108	(find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
31109	and 1.
31110	(find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
31111
31112	* flow.c (delete_dead_jumptables): Speed up by scanning insns
31113	that do not belong to any basic block.
31114
311152005-02-21  Jeff Law  <law@redhat.com>
31116
31117	* cfganal.c (find_unreachable_blocks): Manually CSE load of
31118	e->dest.
31119
311202005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
31121
31122	* tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
31123	(SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
31124	Adjust their definitions.
31125	(remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
31126	(rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
31127
31128	* c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
31129	genautomata.c, langhooks.c, langhooks.h, system.h,
31130	config/arm/lib1funcs.asm: Update copyright.
31131
311322005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
31133
31134	* dbxout.c (dbxout_function_end): Emit Lscope label always.
31135
311362005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
31137
31138	PR bootstrap/13770
31139	* doc/install.texi: Document --with-gc.
31140
311412005-02-21  Paolo Bonzini  <bonzini@gnu.org>
31142
31143	* simplify-rtx.c (simplify_unary_operation): Add a missing
31144	"break" statement.
31145
311462005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
31147
31148	PR tree-optimization/18663
31149	* tree-ssa-dom.c (extract_range_from_cond): Return 0
31150	if the type has variable bounds.
31151
311522005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
31153
31154	* gcse.c: Remove an obsolete comment.
31155
31156	* cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
31157
311582005-02-20  Hans-Peter Nilsson  <hp@axis.com>
31159
31160	* doc/extend.texi (Function Attributes) <Attribute const>: The
31161	attribute "pure" is below this text, not above.
31162
311632005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31164
31165	* pa.c (pa_assemble_integer, get_plabel): Small cleanups.
31166	(pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
31167	* som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
31168
311692005-02-20  Zack Weinberg  <zack@codesourcery.com>
31170
31171	PR 18785
31172	* langhooks.h (struct lang_hooks): Add to_target_charset.
31173	* langhooks.c (lhd_to_target_charset): New function.
31174	* langhooks-def.h: Declare lhd_to_target_charset.
31175	(LANG_HOOKS_TO_TARGET_CHARSET): New macro.
31176	(LANG_HOOKS_INITIALIZER): Update.
31177	* c-common.c (c_common_to_target_charset): New function.
31178	* c-common.h: Declare it.
31179	* c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
31180	c_common_to_target_charset.
31181
31182	* defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
31183	(TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
31184	Delete definitions.
31185	* system.h: Poison them.
31186	* doc/tm.texi: Don't discuss them.
31187	* builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
31188	* c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
31189	(pp_c_char): Do not attempt to generate letter escapes for
31190	newline, tab, etc.
31191	* config/arm/arm.c (output_ascii_pseudo_op): Likewise.
31192	* config/mips/mips.c (mips_output_ascii): Likewise.
31193
311942005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
31195
31196	PR tree-optimization/19951
31197	* tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
31198	is abnormal.
31199
312002005-02-19  Steven Bosscher  <stevenb@suse.de>
31201
31202	PR middle-end/19698
31203	* function.h (struct function): New field `max_loop_depth'.
31204	* cfgloop.c (establish_preds): Update maximum loop depth seen so far.
31205	(flow_loops_find): Reset the max loop depth count before finding loops.
31206	* flow.c (MAX_LIVENESS_ROUNDS): New constant.
31207	(update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
31208	(calculate_global_regs_live): Make sure the loop will terminate
31209	when the initial sets are not empty.
31210
312112005-02-19  Zack Weinberg  <zack@codesourcery.com>
31212
31213	* mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
31214	object inside.
31215	* config/ia64/hpux.h: Don't define LIBGCC_SPEC.
31216
312172005-02-19  Richard Sandiford  <rsandifo@redhat.com>
31218
31219	PR other/19525
31220	* doc/invoke.texi: Remove documentation of %M spec.
31221	* gcc.c: Likewise.
31222	(init_spec): Remove %M suffix from -lgcc_s.
31223	(do_spec_1): Remove 'M' case.
31224	* mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
31225	to put shared libraries in the multilib directory.  Remove the
31226	shlib_so_soname substitution variable.  Don't add a multilib encoding
31227	to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
31228	reported by -print-multi-os-directory.  Pass @multilib_dir@ to
31229	SHLIB_INSTALL as well as SHLIB_LINK.
31230	* config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
31231	(SHLIB_NAME): Delete.
31232	(SHLIB_DIR): New macro.
31233	(SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
31234	(SHLIB_INSTALL): Adjust accordingly.
31235	* config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
31236	* config/t-slibgcc-sld: Likewise.
31237	* config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
31238	(SHLIBUNWIND_SONAME): Use @shlib_base_name@.
31239	(SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
31240	in $(SHLIB_DIR).
31241	(SHLIBUNWIND_INSTALL): Adjust accordingly.
31242	* config/i386/t-nwld (SHLIB_SONAME): Delete.
31243	(SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
31244	Use @shlib_base_name@ instead of @shlib_so_name@.
31245	* config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
31246	and @shlib_base_name@.so in @multilib_dir@.
31247	(SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
31248	to the install path.
31249	* config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
31250	(SHLIB_LINK): Remove previous workaround.
31251	* config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
31252	(SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
31253	(SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
31254	the install path.
31255	* config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
31256	@multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
31257	(SHLIB_INSTALL): Adjust accordingly.
31258	(SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
31259	* config/rs6000/t-aix52: As for config/rs6000/t-aix43.
31260	* config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
31261	config/t-slibgcc-elf-ver.
31262
312632005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
31264	    Jakub Jelinek  <jakub@redhat.com>
31265
31266	PR tree-optimization/19828
31267	* tree-ssa-loop-im.c: Add a TODO comment.
31268	(movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
31269	without side-effects.
31270
312712005-02-18  James A. Morrison  <phython@gcc.gnu.org>
31272
31273	* tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
31274	call fold_convert.
31275
312762005-02-18  James E. Wilson  <wilson@specifixinc.com>
31277
31278	* doc/invoke.texi (IA-64 Options): Delete -mb-step.
31279	* config/ia64/ia64.c (last_group, group_idx): Delete variables.
31280	(errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
31281	functions.
31282	(ia64_reorg): Delete fixup_errata call.
31283	* config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
31284	(TARGET_SWITCHES): Delete -mb-step entry.
31285
312862005-02-19  Jakub Jelinek  <jakub@redhat.com>
31287
31288	PR c/20043
31289	* c-typeck.c (composite_type): Handle quals in transparent unions.
31290	(type_lists_compatible_p): Likewise.
31291
312922005-02-18  Stan Shebs  <shebs@apple.com>
31293
31294	* config/darwin.c (machopic_select_rtx_section): Don't put relocatable
31295	expressions in the .literal8 section.
31296
312972005-02-18  Geoffrey Keating  <geoffk@apple.com>
31298
31299	* config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
31300
313012005-02-18  Roger Sayle  <roger@eyesopen.com>
31302
31303	* fold-const.c (constant_boolean_node): Always create values of the
31304	specified type, don't bother calling truthvalue_conversion.
31305
313062005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
31307
31308	* except.c (output_function_exception_table): Call
31309	assemble_external_libcall (eh_personality_libfunc).
31310
313112005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
31312
31313	PR target/19886
31314	* config/ia64/ia64.h (struct machine_function): Add state_num.
31315	* config/ia64/ia64.c (process_epilogue,
31316	process_for_unwind_directive): Use new unwind state numbers each
31317	time rather than state 1.
31318
313192005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
31320
31321	PR target/20054
31322	* config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
31323	before the "*llgt_didi" pattern.
31324
313252005-02-18  Jason Merrill  <jason@redhat.com>
31326
31327	* gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
31328
313292005-02-18  Richard Earnshaw  <rearnsha@arm.com>
31330
31331	* arm/lib1funcs.asm (FUNC_ALIAS): New macro.
31332	(div0): Use it in place of ARM_FUNC_ALIAS.
31333	(lshrdi3, ashrdi3, ashlrdi3): Likewise.
31334
313352005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
31336
31337	PR middle-end/20030
31338	* fold-const.c (fold_indirect_ref_1): Use the correct index for zero
31339	access, the lower bound of the array type if it exists.
31340
313412005-02-18  Alexandre Oliva  <aoliva@redhat.com>
31342
31343	PR c++/20008
31344	* stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
31345	cases that are out-of-range for the index type.
31346
313472005-02-18  James A. Morrison  <phython@gcc.gnu.org>
31348
31349	* stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
31350	(estimate_case_costs): Don't call convert.
31351	* expmed.c (expand_shift): Likewise.
31352	(make_tree): Call fold_convert instead of convert.
31353
313542005-02-18  Jakub Jelinek  <jakub@redhat.com>
31355
31356	PR c++/19813
31357	* emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
31358	that ref to be marked MEM_READONLY_P doesn't have base that needs
31359	constructing.
31360
313612005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
31362
31363	* genautomata.c (output_get_cpu_unit_code_func,
31364	output_cpu_unit_reservation_p): Don't generate old-style function
31365	definitions.
31366
313672005-02-18  Jakub Jelinek  <jakub@redhat.com>
31368
31369	PR c++/20023
31370	PR tree-optimization/20009
31371	* convert.c (convert_to_integer): Revert 2005-02-16 change.
31372
31373	PR tree-optimization/18947
31374	* cgraphunit.c (cgraph_finalize_function): When redefining an extern
31375	inline, remove all nodes that are inlined into the extern inline
31376	being redefined.
31377
313782005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
31379
31380	* bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
31381	loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
31382	tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
31383	config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
31384	Update copyright.
31385
313862005-02-17  Roger Sayle  <roger@eyesopen.com>
31387
31388	PR tree-optimization/19917
31389	* tree-eh.c (tree_could_trap_p): Consider calls to weak functions
31390	to be potentially trapping.
31391
313922005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
31393
31394	* libgcc2.c, tree-vect-analyze.c: Fix comment typos.
31395
313962005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
31397
31398	* builtins.c (expand_builtin_return_addr): Remove tem parameter.
31399	tem becomes a local variable which is set to the value of the
31400	back end defined INITIAL_FRAME_ADDRESS macro.
31401	(expand_builtin_frame_address): Omit the base parameter to
31402	expand_builtin_return_addr.
31403	(expand_builtin_profile_func): Likewise.
31404	* config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
31405	(DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
31406	* doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
31407
314082005-02-17  Jakub Jelinek  <jakub@redhat.com>
31409
31410	* config/s390/s390.c (s390_alloc_pool, s390_free_pool,
31411	s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
31412	* config/frv/frv.c (frv_function_epilogue): Likewise.
31413
314142005-02-17  Daniel Berlin  <dberlin@dberlin.org>
31415
31416	* lambda-code (perfect_nestify): Remove mark/unmark
31417	for rewriting hack.
31418	* tree-loop-linear.c (linear_transform_loops): Add
31419	rewrite_into_ssa call so that ssa is correct for
31420	rewriting into loop closed.
31421
314222005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
31423
31424	* bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
31425	* bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
31426	BITMAP_FREE.
31427	* bt-load.c (btr_def_live_range, combine_btr_defs,
31428	migrate_btr_def, migrate_btr_defs): Likewise.
31429	* cfgcleanup.c (thread_jump): Likewise.
31430	* cfgloop.c (get_loop_body_in_bfs_order): Likewise.
31431	* df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
31432	df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
31433	df_rd_local_compute, df_reg_info_compute): Likewise.
31434	* dominance.c (init_dom_info, free_dom_info): Likewise.
31435	* flow.c (init_propagate_block_info,
31436	free_propagate_block_info): Likewise.
31437	* gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
31438	* global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
31439	modify_reg_pav): Likewise.
31440	* loop-invariant.c (find_defs, find_invariant_insn,
31441	find_invariants, free_inv_motion_data): Likewise.
31442	* predict.c (tree_predict_by_opcode,
31443	estimate_bb_frequencies): Likewise.
31444	* stmt.c (expand_case): Likewise.
31445	* tree-cfg.c (tree_duplicate_sese_region): Likewise.
31446	* tree-dfa.c (mark_new_vars_to_rename): Likewise.
31447	* tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
31448	* tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
31449	get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
31450	rewrite_ssa_into_ssa): Likewise.
31451	* tree-optimize.c (tree_rest_of_compilation): Likewise.
31452	* tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
31453	analyze_edges_for_bb, perform_edge_inserts): Likewise.
31454	* tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
31455	* tree-sra.c (tree_sra): Likewise.
31456	* tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
31457	* tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
31458	* tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
31459	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
31460	* tree-ssa-dse.c (tree_ssa_dse): Likewise.
31461	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
31462	Likewise.
31463	* tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
31464	calculate_live_on_entry, calculate_live_on_exit,
31465	build_tree_conflict_graph): Likewise.
31466	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
31467	record_important_candidates, set_use_iv_cost, find_depends,
31468	determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
31469	tree_ssa_iv_optimize_finalize): Likewise.
31470	* tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
31471	find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
31472	tree_duplicate_loop_to_header_edge): Likewise.
31473	* tree-ssa-pre.c (init_pre, fini_pre): Likewise.
31474	* tree-ssa.c (verify_flow_insensitive_alias_info,
31475	verify_name_tags, verify_ssa, init_tree_ssa,
31476	delete_tree_ssa): Likewise.
31477	* tree-ssanames.c (marked_ssa_names, init_ssanames,
31478	fini_ssanames): Likewise.
31479	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
31480
314812005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
31482
31483	* config/rs6000/t-rtems: Completely reworked.
31484
314852005-02-17  Ira Rosen  <irar@il.ibm.com>
31486
31487	* tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
31488
314892005-02-17  Ira Rosen  <irar@il.ibm.com>
31490
31491	* tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
31492	POINTER_TYPE_P when checking that type is a pointer.
31493	(vect_get_memtag): Remove.
31494	(vect_address_analysis): Use POINTER_TYPE_P. Call
31495	vect_object_analysis with dummy parameter for memtag.
31496	(vect_object_analysis): Extract memtag (functionality that
31497	used to be in vect_get_memtag and moved here). Fix printings.
31498	(vect_analyze_data_refs): Fix comment. Call vect_object_analysis
31499	with correct parameters. Remove call to vect_get_memtag.
31500
315012005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
31502
31503	* Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
31504	(tree-vectorizer.o): Added missing dependencies.
31505
31506	* tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
31507	decleration.
31508	(slpeel_tree_peel_loop_to_edge): Function externalized (had a static
31509	declaration in tree-vectorizer.c, now has an extern declaration in
31510	tree-vectorizer.h).
31511	(slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
31512	slpeel_verify_cfg_after_peeling, vect_strip_conversion,
31513	get_vectype_for_scalar_type, vect_is_simple_use,
31514	vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
31515	vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
31516	new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
31517	vectorizable_store, vectorizable_operation, vectorizable_assignment,
31518	vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
31519	find_loop_location): Likewise.
31520
31521	* tree-vectorizer.c (langhooks.h): #include removed.
31522	(slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
31523	moved to tree-vectorized.h.
31524	(slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
31525	slpeel_verify_cfg_after_peeling, vect_strip_conversion,
31526	get_vectype_for_scalar_type, vect_is_simple_use,
31527	vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
31528	vect_supportable_dr_alignment, new_loop_vec_info,
31529	destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
31530	vect_set_verbosity_level, find_loop_location): Likewise.
31531
31532	(vect_analyze_loop): Function externalized. Declaration moved to
31533	tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
31534	(vect_analyze_loop_form): Moved to tree-vect-analyze.c.
31535	(vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
31536	vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
31537	vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
31538	vect_enhance_data_refs_alignment, vect_analyze_operations,
31539	exist_non_indexing_operands_for_use_p, vect_mark_relevant,
31540	vect_stmt_relevant_p, vect_get_loop_niters,
31541	vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
31542	vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
31543	vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
31544	vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
31545	vect_get_memtag): Likewise.
31546
31547	(vectorizable_load): Function externalized. Declaration moved to
31548	tree-vectorized.h. Function definition moved to tree-vect-transform.c.
31549	(vectorizable_store, vectorizable_operation, vectorizable_assignment,
31550	vect_transform_loop): Likewise.
31551	(vect_transform_stmt): Moved to tree-vect-transform.c.
31552	(vect_align_data_ref, vect_create_destination_var,
31553	vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
31554	vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
31555	vect_get_vec_def_for_operand, vect_init_vector,
31556	vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
31557	vect_build_loop_niters, vect_update_ivs_after_vectorizer,
31558	vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
31559	vect_update_inits_of_drs, vect_do_peeling_for_alignment,
31560	vect_do_peeling_for_loop_bound): Likewise.
31561
31562	* tree-vect-analyze.c: New file.
31563	* tree-vect-transform.c: New file.
31564
315652005-02-17  Jason Merrill  <jason@redhat.com>
31566
31567	PR mudflap/19319, c++/19317
31568	* gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
31569	slot explicit.
31570
315712005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
31572
31573	* doc/install.texi (Specific): Update link for Darwin-specific
31574	tool binary site.
31575
315762005-02-16  James A. Morrison  <phython@gcc.gnu.org>
31577
31578	* fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
31579	constant_boolean_node.
31580
315812005-02-16  David Edelsohn  <edelsohn@gnu.org>
31582
31583	PR target/19019
31584	* config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
31585	* config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
31586
315872005-02-16  Richard Henderson  <rth@redhat.com>
31588
31589	PR 19920
31590	* libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
31591	with W_TYPE_SIZE.
31592	(HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
31593	replace uses with Wtype_MAXp1_F.
31594	(L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
31595	L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
31596	L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
31597	L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
31598	and HAVE_TFMODE as appropriate.
31599	(__fixunssfDI): Provide an implementation that doesn't need DFmode.
31600	(__floatdisf): Likewise.
31601	* libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
31602	(HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
31603	(Wtype_MAXp1_F): New.
31604	(DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
31605	__powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
31606
316072005-02-16  Richard Earnshaw  <rearnsha@arm.com>
31608
31609	* PR target/19162
31610	* arm.c (arm_apply_result_size): New function.
31611	* arm.h (APPLY_RESULT_SIZE): Define.
31612	* arm-protos.h (arm_apply_result_size): Add prototype.
31613	* arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
31614	(movxf): New expand.
31615	(ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
31616	(call_value_symbol): Remove predicate for operand 0.
31617	(call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
31618	(untyped_call): Rework to correclty return values for any type.
31619	(untyped_return): New expand.
31620	* fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
31621
316222005-02-16  Stan Shebs  <shebs@apple.com>
31623
31624	* config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
31625	* config/rs6000/t-darwin8: New, for 64-bit multilib.
31626
316272005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
31628
31629	* doc/install.texi (sparc-sun-solaris2*): Document required GMP
31630	configure settings on Solaris 7 and later.
31631
316322005-02-16  Diego Novillo  <dnovillo@redhat.com>
31633
31634	PR tree-optimization/19865
31635	* tree-optimize.c (init_tree_optimization_passes): Run
31636	pass_may_alias after pass_sra.
31637
316382005-02-16  Richard Henderson  <rth@redhat.com>
31639	    Stuart Hastings  <stuart@apple.com>
31640
31641	PR debug/19521
31642	* dbxout.c (dbxout_function_end): Take decl parameter; update callers.
31643	Do nothing if debug info suppressed for this function.
31644	(dbxout_begin_function): Early exit if debug info suppressed for
31645	this function.
31646
316472005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
31648
31649	PR target/20007
31650	* config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
31651	find_basic_blocks.
31652	* config/sh/sh.c (sh_output_mi_thunk): Likewise.
31653
31654	PR tree-optimization/19967
31655	* builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
31656	expand_builtin_strchr, expand_builtin_strrchr): Take a new
31657	argument TYPE.  Adjust calls to fold_builtin_XXX.
31658	(expand_builtin, fold_builtin_1): Adjust calls to
31659	expand_builtin_XXX.
31660	(fold_builtin_strchr, fold_builtin_strpbrk,
31661	fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
31662	result to a requested type TYPE.
31663
316642005-02-16  Jakub Jelinek  <jakub@redhat.com>
31665
31666	PR middle-end/19857
31667	* fold-const.c (fold): Don't optimize (T)(x & cst) to
31668	(T)x & (T)cst if (T)cst overflows.
31669	* convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
31670	TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
31671
316722005-02-15  Jeff Law  <law@redhat.com>
31673
31674	* gcse.c (blocks_with_calls): New bitmap.
31675	(alloc_gcse_mem): Allocate it.
31676	(free_gcse_mem): Free it.
31677	(clear_modifY_mem_tables): Clear it.
31678	(record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
31679	when we encounter CALL_INSNs.
31680	(compute_transp, case MEM): Handle blocks with calls separate
31681	from blocks without calls.  Use bitmap iterators rather than
31682	FOR_EACH_BB.
31683
316842005-02-15  Peter O'Gorman  <peter@pogma.com>
31685
31686	PR bootstrap/18810
31687	* mklibgcc.in (vis_hide): Use a temporary object file, not
31688	-o /dev/null.
31689
316902005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
31691
31692	PR target/19924
31693	* config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
31694	access optimization.
31695
316962005-02-15  David Edelsohn  <edelsohn@gnu.org>
31697	    Alan Modra  <amodra@bigpond.net.au>
31698
31699	PR target/19019
31700	* config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
31701	(_xlqsub): Rename to __gcc_qsub.
31702	(_xlqmul): Rename to __gcc_qmul.
31703	(_xlqdiv): Rename to __gcc_qdiv.
31704	Provide versioned symbol aliases with old names.
31705	* config/rs6000/libgcc-ppc64.ver: Rename symbols.
31706	* config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
31707	* config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
31708	* config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
31709	* config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
31710
317112005-02-15  James A. Morrison  <phython@gcc.gnu.org>
31712
31713	* fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
31714	Fold ~(A - 1) and ~(A + -1) to -A.
31715
317162005-02-15  James A. Morrison  <phython@gcc.gnu.org>
31717
31718	PR pch/14940
31719	PR target/19300
31720	* config/host-linux.c (linux_gt_pch_use_address): Copy from
31721	config/pa/pa-host.c:pa_gt_pch_use_address.
31722
317232005-02-15  Daniel Berlin  <dberlin@dberlin.org>
31724
31725	* tree-vn.c (get_value_handle): Make sure that given an
31726	is_gimple_min_invariant expression, we always return it.
31727
317282005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
31729
31730	* passes.c (rest_of_handle_gcse): Fix a comment.
31731
317322005-02-15  Jeff Law  <law@redhat.com>
31733
31734	* gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
31735	bitmap.
31736	(alloc_gcse_mem, free_gcse_mem): Corresponding changes.
31737	(canon_list_insert, record_last_mem_set_info): Similarly.
31738	(clear_modify_mem_tables): Similarly.
31739
317402005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
31741
31742	* bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
31743	tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
31744	config/mips/mips.md, config/rs6000/aix.h,
31745	config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
31746
317472005-02-15  Richard Henderson  <rth@redhat.com>
31748
31749	* bb-reorder.c (find_traces_1_round): Force fallthru edge from a
31750	call to be best_edge.
31751
317522005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
31753
31754	* basic-block.h: Adjust the prototype for find_basic_blocks.
31755	* cfgbuild.c (find_basic_blocks): Remove unused arguments.
31756	* passes.c (rest_of_handle_loop_optimize): Adjust the call to
31757	find_basic_blocks.
31758
31759	* flow.c (recompute_reg_usage): Remove all arguments.
31760	* passes.c (rest_of_compilation): Adjust the call to
31761	recompute_reg_usage.
31762	* rtl.h: Adjust the prototype for recompute_reg_usage.
31763
317642005-02-14  Daniel Berlin  <dberlin@dberlin.org>
31765
31766	* tree-dump.c (dump_files): Update to reflect new member
31767	of dump_file_info.
31768	(dump_register): Add new argument.
31769	Set glob name.
31770	(dump_switch_p_1): Check against glob name if doglob was passed.
31771	(dump_switch_p): Check against regular first, then glob if
31772	we didn't have any hits on the dump name.
31773	* tree-optimize.c (register_one_dump_file):
31774	Pass in glob name as well.
31775	* tree-pass.h (struct dump_file_info): Add glob
31776	member.
31777
317782005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
31779
31780	PR preprocessor/16323
31781	* doc/invoke.texi: Document that -Wendif-labels is on by default.
31782
317832005-02-14  David Edelsohn  <edelsohn@gnu.org>
31784
31785	PR target/19019
31786	* config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
31787	(trunctfdf2_internal1): New.
31788	(trunctfdf2_internal2): Renamed from trunctfdf2.
31789
317902005-02-14  Diego Novillo  <dnovillo@redhat.com>
31791
31792	PR tree-optimization/19853
31793	* tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
31794
317952005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
31796
31797	* passes.c (rest_of_handle_loop_optimize): Remove calls to
31798	delete_dead_jumptables and cleanup_cfg.
31799
318002005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
31801
31802	* reload.c (find_reloads): Swap address_reloaded flags when
31803	swapping commutative operands.
31804
318052005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
31806
31807	* lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
31808	Use standard_iv_increment_position for computing the bsi position
31809	for create_iv.
31810	* tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
31811	the bsi position.
31812
318132005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
31814
31815	PR target/17428
31816	* cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
31817	life range of hard registers.
31818	* value-prof.c (insn_prefetch_values_to_profile): Only
31819	scan normal insns.
31820
31821	* value-prof.c (rtl_find_values_to_profile): Do not look for values to
31822	profile in libcalls.
31823
318242005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
31825
31826	* bitmap.h (bitmap_and_compl_into): Return bool.
31827	* bitmap.c (bitmap_and_compl_into): Return changed flag.
31828
318292005-02-13  James A. Morrison  <phython@gcc.gnu.org>
31830
31831	PR tree-optimization/19944
31832	* fold-const.c (fold): Re-add ABS_EXPR folding.
31833
318342005-02-13  David Edelsohn  <edelsohn@gnu.org>
31835
31836	PR target/19019
31837	* config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
31838	{TARGET,MASK}_XL_COMPAT.
31839	(SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
31840	MASK_XL_COMPAT.
31841	* config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
31842	* config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
31843	TARGET_XL_COMPAT.
31844	(rs6000_arg_partial_bytes): Same.
31845	(rs6000_generate_compare): Generate PARALLEL for compare if TFmode
31846	and XL compatibility enabled.
31847	* config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
31848	* config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
31849	test to final condition.
31850	(cmptf_internal2): New.
31851	* doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
31852	xl-compat.  Add TFmode information to description.
31853
318542005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
31855
31856	* flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
31857
318582005-02-13  Jason Merrill  <jason@redhat.com>
31859
31860	PR c++/16405
31861	* fold-const.c (fold_indirect_ref_1): Split out from...
31862	(build_fold_indirect_ref): Here.
31863	(fold_indirect_ref): New fn.
31864	* tree.h: Declare it.
31865	* gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
31866	(gimplify_modify_expr_rhs): Likewise.
31867	(gimplify_expr): Likewise.
31868
318692005-02-13  James A. Morrison  <phython@gcc.gnu.org>
31870
31871	PR tree-optimization/14303
31872	PR tree-optimization/15784
31873	* fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
31874	Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
31875	ABS_EXPR<x> != 0 to x != 0.
31876
318772005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
31878
31879	* c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
31880	simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
31881	spelling conventions.
31882
31883	* passes.c (rest_of_handle_gcse): Don't run cse_main and
31884	delete_trivially_dead_insns too many times.
31885
31886	* passes.c (rest_of_handle_gcse): Remove dead assignments to
31887	tem and tem2.
31888
318892005-02-12  Ira Rosen  <irar@il.ibm.com>
31890
31891	* tree-vectorizer.c (vect_get_base_and_offset): Remove.
31892	(vect_is_simple_iv_evolution): Remove redundant parameter
31893	and step check.
31894	(vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
31895	without last parameter.
31896	(vect_analyze_pointer_ref_access): Get access_fn as parameter.
31897	Return pointer step. Call vect_is_simple_iv_evolution without
31898	last parameter. Check only that the step is multiple of size
31899	type. Remove stmt_vinfo updates.
31900	(vect_get_memtag_and_dr): Remove.
31901	(vect_get_memtag): New function.
31902	(vect_address_analysis): New function.
31903	(vect_object_analysis): New function.
31904	(vect_analyze_data_refs): Call vect_object_analysis and
31905	vect_get_memtag. Update stmt_vinfo fields.
31906
319072005-02-12  Ira Rosen  <irar@il.ibm.com>
31908
31909	* tree-data-ref.c (array_base_name_differ_p): Check that the bases
31910	exist and are objects. Remove checks for pointer.
31911	* tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
31912	STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
31913	(vect_create_data_ref_ptr): Likewise.
31914	(vect_base_addr_differ_p): New function.
31915	(vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
31916	(vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
31917	Don't set the DR_BASE_NAME field of data-ref.
31918	(vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
31919
319202005-02-12  Uros Bizjak  <uros@kss-loka.si>
31921
31922	* optabs.h (enum optab_index): Add new OTI_ldexp.
31923	(ldexp_optab): Define corresponding macro.
31924	* optabs.c (init_optabs): Initialize ldexp_optab.
31925	* genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
31926	patterns.
31927	* builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
31928	using ldexp_optab.
31929	(expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
31930	expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
31931
31932	* config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
31933	to implement ldexpf, ldexp and ldexpl built-ins as inline x87
31934	intrinsics.
31935
319362005-02-12  Ira Rosen  <irar@il.ibm.com>
31937
31938	* tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
31939	to base_address.
31940	* tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
31941	stmt_vec_info.
31942	(vect_get_base_and_offset): Always return an address.
31943	(vect_create_addr_base_for_vector_ref): Remove treatment for
31944	different data reference types.
31945	(vect_compute_data_ref_alignment): Rename base to base_address in
31946	stmt_vec_info. Get the object in order to force its alignment.
31947	(vect_get_memtag_and_dr): Rename base to base_address in
31948	stmt_vec_info. Extract the object for memtag analysis.
31949
319502005-02-12  Hans-Peter Nilsson  <hp@axis.com>
31951
31952	PR regression/19898.
31953	* config/cris/cris.c (cris_notice_update_cc): When testing if insn
31954	changes cc_status, use apply modified_in_p to part of cc_status
31955	and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
31956	body.
31957
319582005-02-11  Richard Henderson  <rth@redhat.com>
31959
31960	* tree-complex.c (expand_complex_libcall): New.
31961	(expand_complex_multiplication): Use it for c99 compliance.
31962	(expand_complex_division): Likewise.
31963	* fold-const.c (fold_complex_add, fold_complex_mult): New.
31964	(fold): Call them.
31965	* builtins.c (built_in_names): Remove const.
31966	* tree.c (build_common_builtin_nodes): Build complex arithmetic
31967	builtins.
31968	* tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
31969	(BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
31970	(built_in_names): Remove const.
31971	* c-common.c (c_common_type_for_mode): Handle complex modes.
31972	* flags.h, toplev.c (flag_complex_method): Rename from
31973	flag_complex_divide_method.
31974	* libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
31975	__mulsc3, __muldc3, __mulxc3, __multc3): New.
31976	* libgcc2.h: Declare them.
31977	* libgcc-std.ver: Export them.
31978	* mklibgcc.in (lib2funcs): Build them.
31979
319802005-02-11  Steven Bosscher  <stevenb@suse.de>
31981
31982	PR tree-optimization/19876
31983	Partially revert my change from 2005-01-14
31984	* tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
31985	(compute_antic): ...and remove the loop here.
31986
319872005-02-11  Jakub Jelinek  <jakub@redhat.com>
31988
31989	PR middle-end/19858
31990	* fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
31991	is number of inner's bits, avoid creating a BIT_FIELD_REF.
31992
31993	* config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
31994	crtend.o if -pie.  Use %{x:a;:b} spec syntax.
31995
319962005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
31997
31998	* config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
31999	offsets for the big-endian 32-bit case.
32000
320012005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
32002
32003	* config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
32004
320052005-02-11  Dale Johannesen  <dalej@apple.com>
32006
32007	* cselib.c (cselib_process_insn): Clear out regs where
32008	HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
32009	* reload.c (find_equiv_reg): Ditto.
32010
320112005-02-11  Ian Lance Taylor  <ian@airs.com>
32012
32013	* read-rtl.c (read_rtx_1): Give fatal error if we see a vector
32014	with no elements.
32015
32016	* tree.c (build_function_type_list): Work correctly if there are
32017	no arguments.
32018
320192005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
32020
32021	* config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
32022	"*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
32023	("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
32024	TARGET_ZARCH instead of TARGET_64BIT.
32025
320262005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
32027
32028	* config/rs6000/t-rtems:
32029	(MULTILIB_OPTIONS): Remove mcpu=602.
32030	(MUTLILIB_DIRNAMES): Remove m602.
32031	(MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
32032	Let mcpu=602 match mcpu=603.
32033	(MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
32034
320352005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32036
32037	* pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
32038	signal trampolines.
32039
320402005-02-10  David Daney  <ddaney@avtrex.com>
32041
32042	* config/alpha/linux-unwind.h: Add exception clause to copyright.
32043	* config/i386/linux-unwind.h: Likewise.
32044	* config/ia64/linux-unwind.h: Likewise.
32045	* config/mips/linux-unwind.h: Likewise.
32046	* config/pa/linux-unwind.h: Likewise.
32047	* config/rs6000/linux-unwind.h: Likewise.
32048	* config/s390/linux-unwind.h: Likewise.
32049	* config/sh/linux-unwind.h: Likewise.
32050	* config/sparc/linux-unwind.h: Likewise.
32051
320522005-02-10  Steven Bosscher  <stevenb@suse.de>
32053
32054	PR tree-optimization/17549
32055	* tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
32056	TER to replace a DEF with its expression if the DEF and the
32057	rhs of the expression we replace into have the same root
32058	variable.
32059
320602005-02-10  Richard Sandiford  <rsandifo@redhat.com>
32061
32062	* config/mips/mips.md: Fix the placement of the match_scratch in the
32063	lea64 peephole2.
32064
320652005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
32066
32067	* cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
32068	Fix comment typos.
32069
320702005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
32071
32072	* tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
32073	(strip_offset): Handle addresses.
32074	(add_address_candidates): Use strip_offset.
32075	(difference_cost): Reflect strip_offset change.
32076	(force_var_cost, difference_cost): Strip nops.
32077
320782005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
32079
32080	* df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
32081
32082	* builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
32083	tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
32084	config/cris/cris-protos.h, config/cris/cris.c: Update
32085	copyright.
32086
320872005-02-10  Jeff Law  <law@redhat.com>
32088
32089	* tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
32090	(lookup_avail_expr): Similarly.
32091
320922005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
32093
32094	* builtins.c (fold_builtin_powi): New function.
32095	(fold_builtin_1): Call it.
32096
320972005-02-10  Steven Bosscher  <stevenb@suse.de>
32098
32099	PR documentation/19309
32100	* doc/cpp.texi: The __GNUC__ and related predefined macros
32101	are also defined for the "standalone" cpp.
32102	Some non-GCC compilers may also define __GNUC__.
32103
321042005-02-10  Jakub Jelinek  <jakub@redhat.com>
32105
32106	PR c/19342
32107	* c-typeck.c (common_type): New routine.  Old common_type renamed
32108	to...
32109	(c_common_type): ...this.
32110	(build_conditional_expr, build_binary_op): Use c_common_type instead
32111	of common_type.
32112
321132005-02-10  Steven Bosscher  <stevenb@suse.de>
32114
32115	* doc/md.texi: Replace @samp{length} with @code{length}.
32116
321172005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
32118
32119	PR tree-optimization/18687
32120	* tree-flow.h (find_loop_niter): Declare.
32121	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
32122	Try using scev even for loops with more than one exit.
32123	* tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
32124	(struct ivopts_data): Added niters field.
32125	(struct nfe_cache_elt): New.
32126	(nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
32127	functions.
32128	(tree_ssa_iv_optimize_init): Initialize niters cache.
32129	(determine_number_of_iterations): Removed.
32130	(find_induction_variables): Do not call determine_number_of_iterations.
32131	Access niters for single exit through niter_for_single_dom_exit.
32132	(add_iv_outer_candidates): Access niters for single exit through
32133	niter_for_single_dom_exit.
32134	(may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
32135	number_of_iterations_cond.
32136	(iv_period): New function.
32137	(determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
32138	(may_replace_final_value): Take data argument.  Use
32139	niter_for_single_dom_exit.
32140	(determine_use_iv_cost_outer): Pass data to may_replace_final_value.
32141	(rewrite_use_compare): Pass data to may_eliminate_iv.
32142	(rewrite_use_outer): Pass data to may_replace_final_value.
32143	(free_loop_data): Clean up the niters cache.
32144	(tree_ssa_iv_optimize_finalize): Free the niters cache.
32145	(tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
32146	* tree-ssa-loop-niter.c (find_loop_niter): New function.
32147	(find_loop_niter_by_eval): Use tree_int_cst_lt.
32148	(num_ending_zeros): Moved to tree.c.
32149	* tree.h (num_ending_zeros): Declare.
32150	* tree.c (num_ending_zeros): Moved from tree.c.
32151
321522005-02-09  Richard Henderson  <rth@redhat.com>
32153
32154	* builtins.c (DEF_BUILTIN): Add COND argument.
32155	* tree.h (DEF_BUILTIN): Likewise.
32156	* builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
32157	DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
32158	match.
32159	(DEF_BUILTIN_STUB): New.
32160	(BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
32161	BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
32162	BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
32163	* c-common.c (DEF_BUILTIN): Add COND argument.
32164	* tree.c (local_define_builtin): New.
32165	(build_common_builtin_nodes): New.
32166
321672005-02-09  Roger Sayle  <roger@eyesopen.com>
32168
32169	* fold-const.c (fold_strip_sign_ops): New function to simplify a
32170	floating point expression ignoring the sign of the result.
32171	(fold) <ABS_EXPR>: Use it to simplify fabs(x).
32172	(fold) <MULT_EXPR>: Use it to simplify x*x.
32173	* tree.h (fold_strip_sign_ops): Prototype here.
32174	* builtins.c (fold_builtin_copysign): Take an additional FNDECL
32175	argument.  Use fold_strip_sign_ops to simplify the first argument.
32176	(fold_builtin_pow): Use fold_strip_sign_ops to simplify the
32177	first argument when the second argument is an even integer
32178	constant, but only with -funsafe_math_optimizations.
32179	(fold_builtin_1): Update call to fold_builtin_copysign.
32180
321812005-02-09  Ian Lance Taylor  <ian@airs.com>
32182
32183	PR middle-end/19583
32184	* gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
32185	just check whether EH_FILTER_FAILURE falls through.
32186
321872005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
32188
32189	* haifa-sched.c (schedule_block): Make queued sched group
32190	insns return to ready list in the next turn.
32191
321922005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
32193
32194	PR middle-end/19402
32195	* builtins.def: New __builtin_powi[lf].
32196	* builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
32197	(expand_builtin_powi): New function.
32198	(expand_builtin): Dispatch to expand_builtin_powi.
32199	* libgcc2.h: Add prototypes for __builtin_powi[lf].
32200	* libgcc2.c: Add __builtin_powi[lf] implementation.
32201	* mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
32202	* optabs.h: Add powi_optab.
32203	* optabs.c (init_optabs): Initialize powi_optab.
32204	* doc/extend.texi: Document __builtin_powi[lf].
32205
322062005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
32207
32208	* tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
32209	exists.
32210
322112005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
32212
32213	PR middle-end/19854
32214	* fold-const.c (try_move_mult_to_index): Remove redundant
32215	type argument.  Create ADDR_EXPR with correct type.
32216	(fold): Update callers of try_move_mult_to_index.  Convert
32217	result to the appropriate type.
32218
322192005-02-09  Roger Sayle  <roger@eyesopen.com>
32220
32221	PR target/19597
32222	* config/avr/avr.c (default_rtx_costs): Delete.
32223	(avr_operand_rtx_cost): New function.
32224	(avr_rtx_costs): Completely rewrite.
32225
322262005-02-08  Hans-Peter Nilsson  <hp@axis.com>
32227
32228	PR target/19806
32229	* config/cris/cris.c (in_code): New variable.
32230	(cris_output_addr_const): Now a static function, a wrapper for
32231	output_addr_const.
32232	(cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
32233	case from old cris_output_addr_const.
32234	(cris_asm_output_label_ref): Similar for LABEL_REF.
32235	(cris_output_addr_const_extra): Similar for UNSPEC.
32236	* config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
32237	(ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
32238	* config/cris/cris-protos.h (cris_output_addr_const): Remove
32239	declaration.
32240	(cris_asm_output_symbol_ref, cris_output_addr_const_extra)
32241	(cris_asm_output_label_ref): Declare.
32242
322432005-02-08  Paolo Bonzini  <bonzini@gnu.org>
32244
32245	PR preprocessor/19801
32246	* doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
32247	filenames that changed when libcpp was moved to the toplevel.
32248
322492005-02-07  Roger Sayle  <roger@eyesopen.com>
32250
32251	* simplify-rtx.c (simplify_relational_operation_1): Avoid creating
32252	zero extensions of BImode operands.  Call lowpart_subreg instead
32253	of gen_lowpart_common and gen_lowpart_SUBREG.
32254
322552005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
32256
32257	PR ada/19489
32258	* libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
32259	* configure.ac: Set cc_for_cross_gnattools.
32260	* configure: Regenerate.
32261
322622005-02-08  Alan Modra  <amodra@bigpond.net.au>
32263
32264	PR target/19803
32265	* predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
32266
322672005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
32268
32269	PR debug/19327
32270	* dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
32271	of nested functions.
32272
322732005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
32274
32275	* doc/extend.texi: Document deprecated extensions allowing
32276	static floating-point members to have initializers and allowing
32277	floating-point literals in integral constant expressions.
32278
322792005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
32280
32281	* cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
32282	config/darwin7.h, config/mips/mips.c,
32283	config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
32284	Update copyright.
32285
32286	* cse.c: Update comments.
32287
322882005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
32289
32290	PR middle-end/19775
32291	* builtins.c (fold_builtin_sqrt): Transform
32292	sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
32293	pow(x,y*0.5).
32294
322952005-02-07  Leehod Baruch  <leehod@il.ibm.com>
32296	    Dorit Naishlos  <dorit@il.ibm.com>
32297
32298	* doc/invoke.texi (ftree-vectorizer-verbose): New.
32299	* opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
32300	* common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
32301	was added.
32302	* tree.h (vect_set_verbosity_level): New extern function declaration
32303	added.
32304	* tree-vectorizer.h (verbosity_levels): New enum type.
32305	* tree-vectorizer.c (vect_debug_stats): Function removed.
32306	(vect_debug_details): Likewise.
32307	(vect_verbosity_level): Global variable was defined and initialized.
32308	(vect_dump): Global variable definition.
32309	(vect_print_dump_info): New function.
32310	(vect_set_dump_settings): New function.
32311	(vect_set_verbosity_level): New function.
32312	(vectorize_loops): Add call to vect_set_dump_settings.
32313
32314	(slpeel_make_loop_iterate_ntimes): Dump condition was changed.
32315	(slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
32316	(slpeel_tree_peel_loop_to_edge): Likewise.
32317
32318	(vect_analyze_offset_expr): Call to vect_print_dump_info with
32319	appropriate verbosity level instead of call to vect_debug_details
32320	or vect_debug_stats.
32321	(vect_get_base_and_offset):
32322	(vect_create_addr_base_for_vector_ref):
32323	(get_vectype_for_scalar_type):
32324	(vect_create_data_ref_ptr):
32325	(vect_init_vector):
32326	(vect_get_vec_def_for_operand):
32327	(vect_finish_stmt_generation):
32328	(vectorizable_assignment):
32329	(vectorizable_operation):
32330	(vectorizable_store):
32331	(vectorizable_load):
32332	(vect_transform_stmt):
32333	(vect_update_ivs_after_vectorizer):
32334	(vect_do_peeling_for_loop_bound):
32335	(vect_update_inits_of_drs):
32336	(vect_do_peeling_for_alignment):
32337	(vect_transform_loop):
32338	(vect_is_simple_use):
32339	(vect_analyze_operations):
32340	(vect_is_simple_iv_evolution):
32341	(vect_analyze_scalar_cycles):
32342	(vect_analyze_data_ref_dependence):
32343	(vect_analyze_data_ref_dependences):
32344	(vect_compute_data_ref_alignment):
32345	(vect_enhance_data_refs_alignment):
32346	(vect_analyze_data_refs_alignment):
32347	(vect_analyze_data_ref_access):
32348	(vect_analyze_data_ref_accesses):
32349	(vect_analyze_pointer_ref_access):
32350	(vect_get_memtag_and_dr):
32351	(vect_analyze_data_refs):
32352	(vect_mark_relevant):
32353	(vect_stmt_relevant_p):
32354	(vect_mark_stmts_to_be_vectorized):
32355	(vect_can_advance_ivs_p):
32356	(vect_get_loop_niters):
32357	(vect_analyze_loop_form):
32358	(vect_analyze_loop):
32359	(vectorize_loops): Likewise.
32360
32361	(vect_do_peeling_for_loop_bound): Dump format slightly changed.
32362	(vect_update_inits_of_drs):
32363	(vect_do_peeling_for_alignment):
32364	(vect_transform_loop):
32365	(vect_analyze_operations):
32366	(vect_analyze_scalar_cycles):
32367	(vect_analyze_data_ref_dependences):
32368	(vect_analyze_data_refs_alignment):
32369	(vect_analyze_data_ref_accesses):
32370	(vect_analyze_data_refs):
32371	(vect_mark_stmts_to_be_vectorized):
32372	(vect_get_loop_niters):
32373	(vect_analyze_loop_form):
32374	(vect_analyze_loop): Likewise.
32375	(vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
32376
323772005-02-07  Richard Sandiford  <rsandifo@redhat.com>
32378
32379	PR bootstrap/19796
32380	Revert:
32381	2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
32382	* config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
32383	either -ffast-math or -funsafe-math-optimizations is in use.
32384
32385	2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
32386	* config/mips/irix-csr.c: New file.
32387	* config/mips/t-iris6 (irix-csr.o): New rule to build it.
32388	(EXTRA_MULTILIB_PARTS): Add irix-csr.o.
32389	* config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
32390	executables.
32391
323922005-02-07  Alexandre Oliva  <aoliva@redhat.com>
32393
32394	* config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
32395	redundant, incorrect definitions.
32396
32397	* config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
32398	expand.
32399	("*tls_indirect_call"): New, reference hard regs directly.
32400	* config/frv/frv.c (gen_inlined_tls_plt): Adjust.
32401
324022005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
32403
32404	* config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
32405	Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
32406
324072005-02-06  Roger Sayle  <roger@eyesopen.com>
32408
32409	PR rtl-optimization/19800
32410	* simplify_rtx.c (simplify_relational_operation_1): Explicitly
32411	call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
32412	gen_lowpart.
32413
324142005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
32415
32416	* config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
32417
324182005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
32419
32420	PR other/17135
32421	* doc/invoke.texi: Correct documentation of -freorder-functions.
32422
324232005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
32424
32425	PR other/14402
32426	* doc/invoke.texi: Don't mention gccbug.
32427
324282005-02-06  Roger Sayle  <roger@eyesopen.com>
32429	    Andrew Pinski  <pinskia@physics.uc.edu>
32430	    Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
32431
32432	* simplify-rtx.c (simplify_relational_operation_1): Simplify
32433	(ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
32434	into just (zero_extract:SI FOO (const_int 1) BAR).
32435
324362005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
32437
32438	* doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
32439	macro locally.  Don't give last revision date.  Use GCC version
32440	number from gcc-common.texi.
32441	* doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
32442	revision date.  Use GCC version number from gcc-common.texi.
32443	Describe being a library as current state rather than as 3.x
32444	history.
32445	* doc/gcc.texi: Remove last update date.
32446	* doc/gccint.texi: Likewise.  Update copyright dates.
32447	* doc/install.texi: Update copyright dates.
32448
324492005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
32450
32451	PR other/7549
32452	* doc/invoke.texi: Mention for each option included in -Wall that
32453	it is included in -Wall.
32454	* doc/gcc.texi: Update copyright and last modification date.
32455
324562005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
32457
32458	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
32459	unnecessary cast to original induction variable increments.
32460
324612005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
32462
32463	PR tree-optimization/18219
32464	* tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
32465	in distributed form.
32466
324672005-02-06  Richard Sandiford  <rsandifo@redhat.com>
32468
32469	* expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
32470	Set bitpos and offset later in the function.  Do nothing if the
32471	target is a register and if the bitfield lies completely outside
32472	that register.
32473	(extract_bit_field): Make the same SUBREG, bitpos and offset changes
32474	here.  Return an uninitialised register if the source value is stored
32475	in a register and the bitfield lies completely outside that register.
32476
324772005-02-06  Steven Bosscher  <stevenb@suse.de>
32478
32479	* df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
32480	not SET_DEST.
32481
324822005-02-06  Marcin Dalecki  <martin@dalecki.de>
32483
32484	* diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
32485
324862005-02-06  Geoffrey Keating  <geoffk@apple.com>
32487
32488	* config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
32489	* config/darwin8.h: New.
32490	* config/darwin7.h: Update comment.
32491
324922005-02-03  Leehod Baruch  <leehod@il.ibm.com>
32493	    Dorit Naishlos  <dorit@il.ibm.com>
32494
32495	* tree-vectorizer.h (LOC): New type.
32496	(UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
32497	(loop_line_number): New field in struct _loop_vec_info.
32498	(LOOP_VINFO_LOC, LOOP_LOC): New macros.
32499
32500	* tree-vectorizer.c (input.h): Included.
32501	(find_loop_location): New function.
32502	(vect_debug_stats): Argument changed from loop to LOC. Computation of
32503	loop line number removed.
32504	(vect_debug_details): Likewise.
32505	(new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
32506
32507	(slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
32508	call to vect_debug_details/stats changed from loop to loop_loc.
32509	(slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
32510	(slpeel_tree_peel_loop_to_edge): Likewise.
32511
32512	(vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
32513	changed from NULL to UNKNOWN_LOC.
32514	(vect_get_base_and_offset):
32515	(vect_create_addr_base_for_vector_ref):
32516	(get_vectype_for_scalar_type):
32517	(vect_create_data_ref_ptr):
32518	(vect_init_vector):
32519	(vect_get_vec_def_for_operand):
32520	(vect_finish_stmt_generation):
32521	(vectorizable_assignment):
32522	(vectorizable_operation):
32523	(vectorizable_store):
32524	(vectorizable_load):
32525	(vect_transform_stmt):
32526	(vect_update_ivs_after_vectorizer):
32527	(vect_do_peeling_for_loop_bound):
32528	(vect_do_peeling_for_alignment):
32529	(vect_transform_loop):
32530	(vect_is_simple_use):
32531	(vect_analyze_operations):
32532	(vect_is_simple_iv_evolution):
32533	(vect_analyze_scalar_cycles):
32534	(vect_analyze_data_ref_dependences):
32535	(vect_compute_data_ref_alignment):
32536	(vect_enhance_data_refs_alignment):
32537	(vect_analyze_data_ref_access):
32538	(vect_analyze_data_ref_accesses):
32539	(vect_analyze_pointer_ref_access):
32540	(vect_get_memtag_and_dr):
32541	(vect_analyze_data_refs):
32542	(vect_mark_relevant):
32543	(vect_stmt_relevant_p):
32544	(vect_mark_stmts_to_be_vectorized):
32545	(vect_can_advance_ivs_p):
32546	(vect_get_loop_niters):
32547	(vect_analyze_loop):
32548	(vectorize_loops): Likewise.
32549
32550	(vectorizable_load): Argument in call to vect_debug_details/stats
32551	changed from loop to LOOP_LOC (loop_vinfo).
32552	(vect_transform_loop):
32553	(vect_analyze_operations):
32554	(vect_analyze_scalar_cycles):
32555	(vect_analyze_data_ref_dependence):
32556	(vect_enhance_data_refs_alignment):
32557	(vect_analyze_data_ref_accesses):
32558	(vect_analyze_pointer_ref_access):
32559	(vect_analyze_data_refs):
32560	(vect_analyze_loop): Likewise.
32561
32562	(vect_analyze_loop_form): Argument in call to vect_debug_details/stats
32563	changed from loop to loop_loc.
32564
32565	(vect_enhance_data_refs_alignment): Removed unused variable loop.
32566
325672005-02-03  Leehod Baruch  <leehod@il.ibm.com>
32568	    Dorit Naishlos  <dorit@il.ibm.com>
32569
32570	* tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
32571	declaration added.
32572	(vect_analyze_data_ref_dependences): Likewise.
32573
32574	(vect_is_simple_use): Argument changed from loop structure to
32575	loop_vect_info structure.
32576	(vect_can_advance_ivs_p): Likewise.
32577	(vect_create_index_for_vector_ref): Likewise.
32578	(vect_update_ivs_after_vectorizer): Likewise.
32579	(new_stmt_vec_info): Likewise.
32580
32581	(new_loop_vec_info): Second argument in call to new_stmt_vec_info was
32582	changed from loop to loop_vinfo.
32583	(vect_create_data_ref_ptr): First argument in call to
32584	vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
32585	(vectorizable_assignment): Second argument in call to vect_is_simple_use
32586	was changed from loop to loop_vinfo.
32587	(vectorizable_operation): Likewise.
32588	(vectorizable_store): Likewise.
32589	(vect_mark_stmts_to_be_vectorized): Likewise.
32590	(vect_do_peeling_for_loop_bound): First argument in call to
32591	vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
32592	(vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
32593	was changed from loop to loop_vinfo.
32594	(vect_analyze_data_ref_dependences): Third argument in call to
32595	vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
32596
32597	(vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
32598	(vect_create_data_ref_ptr): Likewise.
32599	(vect_init_vector): Likewise.
32600	(vect_get_vec_def_for_operand): Likewise.
32601	(vectorizable_assignment): Likewise.
32602	(vectorizable_operation): Likewise.
32603	(vectorizable_store): Likewise.
32604	(vectorizable_load): Likewise.
32605	(vect_update_ivs_after_vectorizer): Likewise.
32606	(vect_is_simple_use): Likewise.
32607	(vect_analyze_data_ref_dependence): Likewise.
32608	(vect_analyze_pointer_ref_access): Likewise.
32609	(vect_can_advance_ivs_p): Likewise.
32610
32611	* tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
32612	before _stmt_vec_info.
32613	(_stmt_vec_info): Loop field replaced by loop_vec_info.
32614	(STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
32615	(new_stmt_vec_info): Argument changed from loop structure to
32616	loop_vect_info structure
32617
32618	(vect_analyze_data_ref_dependences): Unnecessary line was removed.
32619	(vect_analyze_offset_expr): Avoid 80 columns overflow.
32620	(vect_create_addr_base_for_vector_ref): Likewise.
32621	(vect_analyze_pointer_ref_access): Likewise.
32622
326232005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
32624
32625	PR tree-opt/19768
32626	* tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
32627	phi flag if the phi is abnormal.
32628
326292005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
32630
32631	PR tree-opt/19736
32632	* tree-ssa.c (replace_immediate_uses): Update the immediate_uses
32633	information for the new statement.
32634
326352005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
32636
32637	PR driver/19117
32638	* gcc.c (main): Include the target in -v output.
32639
326402005-02-03  Alexandre Oliva  <aoliva@redhat.com>
32641
32642	* combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
32643	Do not drop the extend if we'd have to add a paradoxical subreg
32644	later.  Include optabs.h and insn-codes.h.
32645	* Makefile.in (combine.o): Depend on $(OPTABS_H).
32646
326472005-02-02  Roger Sayle  <roger@eyesopen.com>
32648
32649	PR middle-end/19405
32650	* real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
32651	* fold-const.c (const_binop): Avoid constant folding floating
32652	point operations in modes that use composite representations.
32653	* simplify-rtx.c (simplify_binary_operation): Likewise.
32654
326552005-02-02  Geoffrey Keating  <geoffk@apple.com>
32656
32657	* config/rs6000/altivec.md (altivec_dst): Make the first operand
32658	a REG, not a MEM.
32659	(altivec_dstt): Likewise.
32660	(altivec_dstst): Likewise.
32661	(altivec_dststt): Likewise.
32662	* config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
32663	of first operand.
32664
326652005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
32666
32667	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
32668	EXPR_LOCUS from orig_cond to the new cond_stmt.
32669	(vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
32670	the new vec_stmt.
32671
326722005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
32673
32674	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
32675	standard_iv_increment_position. Remove call to bsi_next
32676	(no need to bump the iterator anymore).
32677	(vect_create_index_for_vector_ref): Call
32678	standard_iv_increment_position. Remove second function argument.
32679	(vect_finish_stmt_generation): Remove call to bsi_next
32680	(no need to bump the iterator anymore).
32681	(vect_create_data_ref_ptr): Remove second argument (bsi) in call
32682	to vect_create_index_for_vector_ref.
32683
326842005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
32685
32686	* tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
32687	phis are used out of the loop.
32688
326892005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
32690
32691	PR c/17807
32692	* c-decl.c (undef_nested_function): New variable.
32693	(pop_scope): Diagnose undefined nested functions.
32694	(finish_function): Don't attempt cgraph processing or genericizing
32695	if current top-level function contained an undefined nested
32696	function.  Reset undef_nested_function at the end of a top-level
32697	function.
32698
326992005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
32700
32701	* tree.c (build_int_cst_type): Take sign of the value into account
32702	when deciding whether sign extend the value.
32703
327042005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
32705
32706	PR c/18502
32707	* gcc.c (cpp_unique_options): Remove %{trigraphs}.
32708	(cpp_options, cc1_options): Change %{std*&ansi} to
32709	%{std*&ansi&trigraphs}.
32710
327112005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
32712
32713	* cse.c: Update comments.
32714
327152005-02-02  Aldy Hernandez  <aldyh@redhat.com>
32716
32717	* config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
32718	arguments go on the stack.  Do not put complex doubles in odd/even
32719	pairs.
32720
327212005-02-02  Steven Bosscher  <stevenb@suse.de>
32722
32723	* doc/invoke.texi: Update the options enabled at -O1, -O2,
32724	and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
32725	-ftree-pre, and -fthread-jumps.
32726
327272005-02-02  Richard Sandiford  <rsandifo@redhat.com>
32728
32729	PR tree-optimization/19578
32730	* tree-flow.h (modified_noreturn_calls): Declare.
32731	(noreturn_call_p): Declare.
32732	* tree-flow-inline.h (noreturn_call_p): New function.
32733	(modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
32734	* tree-cfg.c (modified_noreturn_calls): New variable.
32735	(cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
32736	that contain a mid-block noreturn call.
32737	* tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
32738
327392005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
32740
32741	* df.c (df_def_record_1, df_uses_record): Don't use
32742	DF_FOR_REGALLOC.
32743	* df.h (DF_FOR_REGALLOC): Remove.
32744
327452005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
32746
32747	PR c/19435
32748	* c-typeck.c (really_start_incremental_init): Reset
32749	constructor_max_index for arrays of incomplete type.
32750
327512005-02-02  Jeff Law  <law@redhat.com>
32752
32753	* gcse.c (struct reg_set): Store the block index where the register
32754	was set rather than the setting insn.
32755	(record_one_set, compute_transp): Corresponding changes.
32756	(pre_insert_copy_insn): Do not call replace_one_set.
32757	(replace_one_set): Remove.
32758
327592005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
32760
32761	PR other/15514
32762	* doc/gcov.texi: Fix typo.
32763
327642005-02-01  Richard Henderson  <rth@redhat.com
32765
32766	PR target/19680
32767	* config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
32768	* config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
32769	type to bool.
32770	(ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
32771	* config/i386/i386-protos.h: Update.
32772
327732005-02-01  Steven Bosscher  <stevenb@suse.de>
32774
32775	PR tree-optimization/19217
32776	* tree-cfg.c (verify_expr): Use the data field to see if TP was
32777	seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
32778	(verify_stmts): Pass (void*)1 as data to verify_expr to signal
32779	that it is walking a PHI node.
32780
327812005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
32782
32783	* doc/extend.texi (Nested Functions): Update.
32784
327852005-02-01  Richard Henderson  <rth@redhat.com>
32786
32787	PR 19696
32788	* optabs.c (expand_copysign_absneg): Export.
32789	* optabs.h (expand_copysign_absneg): Declare.
32790	* config/rs6000/rs6000.md (copysigntf3): New.
32791
327922005-02-01  Diego Novillo  <dnovillo@redhat.com>
32793
32794	PR tree-optimization/19633
32795	* tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
32796	* tree-ssa-alias.c (init_alias_info): Initialize.
32797	(merge_pointed_to_info): Set.
32798	(add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
32799	(dump_points_to_info_for): Show value of pt_null.
32800	(struct count_ptr_d): Declare.
32801	(find_ptr_dereference): Remove.
32802	(ptr_is_dereferenced_by): Remove.
32803	(count_ptr_derefs): New local function.
32804	(count_uses_and_derefs): New local function.
32805	(compute_points_to_and_addr_escape): Call it.  If the number
32806	of dereferences is greater than zero, mark the pointer as
32807	dereferenced.  If there are fewer dereferences than uses of
32808	the pointer, the pointer's value escapes.
32809
328102005-02-01  Diego Novillo  <dnovillo@redhat.com>
32811
32812	PR tree-optimization/19670
32813	* tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
32814	here...
32815	(verify_use): ... set it here, instead.
32816
328172005-02-01  Janis Johnson  <janis187@us.ibm.com>
32818
32819	* doc/sourcebuild.texi (Test directives): Fix formatting.
32820
32821	* doc/sourcebuild.texi (Test directives): Describe selector
32822	expressions.
32823
328242005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
32825
32826	* config.gcc (powerpc64-*-linux*): Default to -m64 also for
32827	specific 64-bit CPUs.
32828
328292005-02-01  Richard Earnshaw  <rearnsha@arm.com>
32830
32831	PR target/16201
32832	* arm.c (arm_eliminable_register): New function.
32833	(adjacent_mem_locations): Don't allow eliminable registers.  Use
32834	HOST_WIDE_INT for address offsets.
32835	* arm-protos.h (arm_eliminable_register): Add prototype.
32836
328372005-02-01  Steven Bosscher  <stevenb@suse.de>
32838
32839	PR optimization/15242
32840	* params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
32841	* basic-block.h (duplicate_computed_gotos): Add prototype.
32842	* bb-reorder.c (duplicate_computed_gotos): New function to
32843	duplicate sufficiently small blocks ending in a computed jump.
32844	* passes.c (rest_of_compilation): Call duplicate_computed_gotos
32845	if not optimizing for size.
32846	* cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
32847	never do tail merging for blocks ending in a computed jump.
32848	* doc/invoke.texi: Document the max-goto-duplication-insns param.
32849
328502005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
32851
32852	Patch from Richard Sandiford <rsandifo@redhat.com>
32853	* reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
32854	from inheriting a subreg equivalence with a non-spill register.
32855
32856	* tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
32857
328582005-02-01  Alexandre Oliva  <aoliva@redhat.com>
32859
32860	* config/frv/frv.c (movcc_fp_destination_operand): New.
32861	(gpr_or_memory_operand): Fix typo in comment.
32862	(gpr_or_memory_operand_with_scratch): New.
32863	* config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
32864	* config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
32865	movcc_fp_destination_operand.
32866	(reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
32867	Legitimize memory addresses using a scratch register.
32868
328692005-01-31  Jeff Law  <law@redhat.com>
32870
32871	* tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
32872	bitmap a sparse bitmap instead of a simple bitmap.
32873	(mark_def_sites_initialize_block): Corresponding changes.
32874	(ssa_mark_def_sites_initialize_block): Likewise.
32875	(ssa_mark_phi_uses): Likewise.
32876	(mark_def_site, ssa_mark_def_sites): Likewise.
32877	(mark_def_site_blocks): Likewise.
32878	(rewrite_ssa_into_ssa): Likewise.
32879
32880	* tree-ssa-dom.c (record_cond): Pass correct variable type
32881	for last argument to htab_find_slot_with_hash.
32882
32883	* fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
32884	effects when optimizing 0 % X.  Do not try to optimize X % 0.
32885
328862005-01-31  James E. Wilson  <wilson@specifixinc.com>
32887
32888	* config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
32889	1_mmalua.
32890
328912005-02-01  Eric Christopher  <echristo@redhat.com>
32892
32893	* config/mips/mips.c (override_options): Warn if -mint64
32894	is used.
32895	* doc/invoke.texi (MIPS Options): Document that -mint64 is
32896	deprecated.
32897
328982005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
32899
32900	* cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
32901	timestamp.
32902	(cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
32903	REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
32904	cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
32905	(cached_regno): Initialize to INVALID_REGNUM.
32906	(cse_reg_info_table_size,
32907	cse_reg_info_table_first_uninitialized,
32908	cse_reg_info_timestamp): New.
32909	(REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
32910	get_cse_reg_info.
32911	(init_cse_reg_info, get_cse_reg_info_1): New.
32912	(get_cse_reg_info): Cache the last look-up.
32913	(new_basic_block): Update the code to clear mappings from
32914	registers to cse_reg_info entries.
32915	(cse_main): Call init_cse_reg_info.
32916
32917	* cse.c (get_cse_reg_info): Update a comment.
32918
329192005-01-31  Steven Bosscher  <stevenb@suse.de>
32920
32921	PR c/19333
32922	* c-decl.c (start_decl): Do not warn about arrays of elements with
32923	an incomplete type here.
32924	(grokdeclarator): Do it here by making a pedwarn an error.
32925	* c-typeck.c (push_init_level): If there were previous errors with
32926	the constructor type, do not warn about braces for initializers.
32927	(process_init_element): Likewise for excess initializer elements.
32928
329292005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
32930
32931	* cse.c (delete_trivially_dead_insn): Don't iterate.
32932
329332005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
32934
32935	* config/rs6000/rs6000.md (copysignsf3): New expand.
32936	(copysigndf3): Likewise.
32937
329382005-01-31  Steven Bosscher  <stevenb@suse.de>
32939
32940	* recog.c (constrain_operands): Only look for earlyclobber operand
32941	conflicts if an '&' constraint was seen.
32942
329432005-01-31  Marc Espie <espie@openbsd.org>
32944
32945	* config.gcc: Don't include embedded systems fragment, switches default
32946	debugging format to ELF.
32947	* config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
32948	longer pick it up there.
32949
329502005-01-31  Dale Johannesen  <dalej@apple.com>
32951
32952	* doc/extend.texi (nested functions): Fix linkage description.
32953	Clarify that static is not allowed.
32954
329552005-01-31  Dale Johannesen  <dalej@apple.com>
32956
32957	* config/rs6000/darwin.md (movsf_low_di): Make work.
32958	(movdf_low_di): Make work.
32959
329602005-01-31  Dale Johannesen  <dalej@apple.com>
32961
32962	* config/rs6000/darwin-tramp.asm (__trampoline_setup):
32963	Make work for 64 bit.
32964
329652005-01-31  Roger Sayle  <roger@eyesopen.com>
32966	    Dale Johannesen  <dalej@apple.com>
32967
32968	PR middle-end/19650
32969	* fold-const.c (fold_binary_op_with_conditional_arg):
32970	Make types match original operands, before STRIP_NOPS.
32971
329722005-01-31  Alan Modra  <amodra@bigpond.net.au>
32973
32974	* config/rs6000/linux-unwind.h (struct gcc_vregs): New.
32975	(struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
32976	(struct gcc_sigcontext): Delete.  Merge contents to..
32977	(struct gcc_ucontext): ..here.
32978	(get_sigcontext): Delete.
32979	(get_regs): New function, like get_sigcontext but return regs ptr.
32980	64-bit version finds regs from r1 to support vdso.
32981	(ppc_linux_aux_vector): New function.
32982	(ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
32983	and vector regs.
32984
329852005-01-31  Ira Rosen  <irar@il.ibm.com>
32986
32987	* tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
32988	sizetype.
32989	(vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
32990	redundant fold. Fix misalignment for MINUS_EXPR.
32991	(vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
32992	(vect_analyze_pointer_ref_access): Likewise.
32993	(vect_get_memtag_and_dr): Likewise.
32994
329952005-01-31  Richard Henderson  <rth@redhat.com>
32996
32997	* config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
32998	(absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
32999	absnegdf2_i387, absnegxf2_i387): Likewise.
33000
330012005-01-31  Richard Henderson  <rth@redhat.com>
33002
33003	PR 19696
33004	* optabs.c (expand_copysign_absneg): New.
33005	(expand_copysign_bit): Split out from ...
33006	(expand_copysign): ... here.  Use expand_copysign_absneg.
33007
330082005-01-30  Roger Sayle  <roger@eyesopen.com>
33009
33010	PR middle-end/19697
33011	* config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
33012	constant as the second operand and a register as the third.
33013
330142005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
33015
33016	PR target/19704
33017	* config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
33018	that dllimport'd functions do not use all call-clobbered registers
33019	to pass parameters.
33020
330212005-01-30  Richard Henderson  <rth@redhat.com>
33022
33023	PR 19696
33024	* optabs.c (expand_absneg_bit): Split out from expand_unop and
33025	expand_abs_nojump and generalize.  Use operand_subword and
33026	emit_no_conflict_block.  Support large modes.
33027	(expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
33028	back to maximum.
33029	(expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
33030	negation to subtraction.
33031	(expand_copysign): Check that the format has signed zeros.
33032	Use operand_subword and emit_no_conflict_block.  Support large modes.
33033
330342005-01-30  Daniel Berlin  <dberlin@dberlin.org>
33035
33036	Fix PR tree-optimization/19624
33037
33038	* Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
33039	* tree-ssa-pre.c: Add cfgloop.h.
33040	Update comment.
33041	(pre_stats): New member, constified.
33042	(inserted_exprs): New static variable.
33043	(NECESSARY): New macro.
33044	(create_expression_by_pieces): Fold the expression, and
33045	mark it as defaulting to not necessary. Also put in
33046	inserted_exprs.
33047	(fully_constant_expression): New function.
33048	(insert_into_preds_of_block): Modify to not insert phis when we
33049	are playing with induction variables.
33050	Push phis onto the inserted_exprs vector, and mark them as not
33051	necessary by default.
33052	(insert_aux): Call fully_constant_expression on eprime.
33053	If all edges produce the same value, mark it constant.
33054	(mark_operand_necessary): New function.
33055	(remove_dead_inserted_code): New function.
33056	(init_pre): Init loop optimizer to get loop info.
33057	(fini_pre): Free loop_optimizer, and inserted_exprs vec.
33058	(execute_pre): Commit edge inserts, then remove dead code.
33059
330602005-01-30  Richard Henderson  <rth@redhat.com>
33061
33062	* rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
33063	* varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
33064
330652005-01-30  Richard Henderson  <rth@redhat.com>
33066
33067	PR target/19700
33068	* config/i386/i386.c (ix86_expand_copysign): New.
33069	(ix86_split_copysign_const): New.
33070	(ix86_split_copysign_var): Rename from ix86_split_copysign,
33071	rearrange op1/nmask operands.
33072	* config/i386/i386-protos.h: Update.
33073	* config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
33074	(copysigndf3): Likewise.
33075	(copysignsf3_const, copysigndf3_const): New.
33076	(copysignsf3_var): Rename from copysignsf3, split out splitter
33077	and fix split predicate for X constraint.
33078	(copysigndf3_var): Similarly.
33079
330802005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
33081
33082	* optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
33083	doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
33084	doc/tm.texi, doc/tree-ssa.texi: Update copyright.
33085
330862005-01-29  Richard Henderson  <rth@redhat.com>
33087
33088	PR target/19690
33089	* config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
33090	of # and * in constraints.
33091
330922005-01-29  Richard Henderson  <rth@redhat.com>
33093
33094	PR middle-end/19689
33095	* expr.c (store_field): Don't strip sub-mode cast when the input
33096	data is even smaller.
33097
330982005-01-29  Richard Henderson  <rth@redhat.com>
33099
33100	PR middle-end/19687
33101	* expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
33102	union being empty.
33103
331042005-01-29  Richard Henderson  <rth@redhat.com>
33105
33106	* combine.c (make_field_assignment): Fix argument order
33107	to gen_int_mode.
33108
331092005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
33110
33111	PR tree-optimization/15791
33112	* fold-const.c (extract_array_ref): New function.
33113	(fold): Fold comparisons between &a[i] and &a[j] or
33114	semantically equivalent trees.
33115
331162005-01-29  Jeff Law  <law@redhat.com>
33117
33118	* gcse.c (insert_expr_in_table): Revamp handling of available
33119	and anticipatable occurrence lists to avoid unnecessary list
33120	walking.
33121	(insert_set_in_table): Similarly.
33122
331232005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
33124
33125	* c-common.c (fix_string_type): Just use c_build_qualified_type to
33126	build string type.
33127	(c_build_qualified_type): Build qualified array types with
33128	TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
33129	* c-decl.c (c_make_fname_decl): Build unqualified array type
33130	before qualified type.
33131	(grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
33132	type is qualified, not just if type itself is.  Don't apply
33133	qualifiers to array type when declarator is processed.  Apply
33134	qualifiers to field type whether or not it is an array type.
33135	Don't handle array types specially for applying qualifiers to
33136	variables.
33137	* c-typeck.c (composite_type): Build unqualified element type and
33138	array type when forming composite of array types.
33139	(common_pointer_type, comptypes, comp_target_types,
33140	type_lists_compatible_p, build_indirect_ref, build_array_ref,
33141	convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
33142	types.
33143	(type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
33144	(args2) in variables a1 and a2.
33145
331462005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
33147
33148	* cse.c (n_elements_made, max_elements_made): Remove.
33149	(insert): Don't touch n_elements_made.
33150	(cse_main): Don't touch n_elements_made or max_elements_made.
33151
331522005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
33153
33154	PR target/15384
33155	* config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
33156	configuration part of dp-bit.c to be lost.
33157
331582005-01-28  Roger Sayle  <roger@eyesopen.com>
33159
33160	* expmed.c (expand_mult_highpart_optab): When attempting to use
33161	a non-widening multiplication in a wider mode, the operands need
33162	to be converted (zero or sign extended) to that mode.
33163
331642005-01-28  Ian Lance Taylor  <ian@airs.com>
33165
33166	PR middle-end/16558
33167	PR middle-end/19583
33168	* gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
33169	through if both operands fall through.
33170
331712005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
33172
33173	* cse.c (fold_rtx) <PC>: Don't optimize.
33174
331752005-01-28  Jeff Law  <law@redhat.com>
33176
33177	* fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
33178	(case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
33179
331802005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
33181
33182	* cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
33183	cse_reg_info_used_list_end): Remove.
33184	(cse_reg_info_list, cse_reg_info_list_free): New.
33185	(get_cse_reg_info): When allocating an instance of
33186	cse_reg_info, add it to the beginning of the cse_reg_info_list
33187	list.  Remove code to maintain cse_reg_info_used_list.
33188	(new_basic_block): Reset the free list to the beginning of
33189	cse_reg_info_list.
33190
331912005-01-28  Richard Sandiford  <rsandifo@redhat.com>
33192
33193	* config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
33194	(frv_init_builtins): Change its prototype to take 4 uhalf arguments.
33195	(frv_expand_mdpackh_builtin): New function.
33196	(frv_expand_builtin): Use it to expand __MDPACKH.
33197	* doc/extend.texi (__MDPACKH): Update documentation.
33198
331992005-01-28  Uros Bizjak  <uros@kss-loka.si>
33200
33201	* config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
33202	SSE_FLOAT_MODE_P for use_sse computation.
33203
332042005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
33205
33206	PR target/19663
33207	* config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
33208
332092005-01-27  Richard Henderson  <rth@redhat.com>
33210
33211	* builtins.c (expand_builtin_copysign): New.
33212	(expand_builtin): Call it.
33213	* genopinit.c (optabs): Add copysign_optab.
33214	* optabs.c (init_optabs): Initialize it.
33215	(expand_copysign): New.
33216	* optabs.h (OTI_copysign, copysign_optab): New.
33217	(expand_copysign): Declare.
33218
33219	* config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
33220	(copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
33221
33222	* config/i386/i386.c (ix86_build_signbit_mask): Split from ...
33223	(ix86_expand_fp_absneg_operator): ... here.
33224	(ix86_split_copysign): New.
33225	* config/i386/i386-protos.h: Update.
33226	* config/i386/i386.md (UNSPEC_COPYSIGN): New.
33227	(copysignsf3, copysigndf3): New.
33228
33229	* config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
33230	(copysignsf3, ncopysignsf3): New.
33231	(copysigndf3, ncopysigndf3): New.
33232	(copysignxf3, ncopysignxf3): New.
33233	* config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
33234
332352005-01-27  Arend Bayer  <arend.bayer@web.de>
33236	    Kazu Hirata  <kazu@cs.umass.edu>
33237
33238	* cse.c: (find_best_addr): Don't call copy_rtx before calling
33239	fold_rtx.  Save cost recomputation if fold_rtx did nothing.
33240	(fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
33241	NULL_RTX.
33242
332432005-01-27  Jeff Law  <law@redhat.com>
33244
33245	* tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
33246	definitions of SSA_NAMEs which are not being rewritten.
33247	(rewrite_ssa_into_ssa): Only initialize the current definition
33248	of an SSA_NAME if that SSA_NAME has been marked for rewriting.
33249	If checking is enabled, assert that SSA_NAME_AUX is clear for all
33250	SSA_NAMEs before returning.
33251
332522005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
33253
33254	* c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
33255	cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
33256	tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
33257	config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
33258	config/mips/iris6.h, config/sh/sh.c: Update copyright.
33259
332602005-01-27  Steven Bosscher  <stevenb@suse.de>
33261
33262	PR middle-end/17278
33263	* opts.c (decode_options): Move flag_thread_jumps from -O1 and
33264	higher to -O2 and higher.  Likewise for tree PRE.
33265	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
33266	and better.
33267
332682005-01-27  Ian Lance Taylor  <ian@airs.com>
33269
33270	PR middle-end/19583
33271	* gimple-low.c (try_catch_may_fallthru): New static function.
33272	(block_may_fallthru): Handle TRY_CATCH_EXPR.
33273	* tree-inline.c (expand_call_inline): Don't warn about reaching
33274	the end of a non-void function being inlined if the function uses
33275	a return slot.
33276
332772005-01-27  Jakub Jelinek  <jakub@redhat.com>
33278
33279	* config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
33280
33281	PR c/18946
33282	* c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
33283	(pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
33284	(implicitly_declare): Handle error_mark_node.
33285
332862005-01-27  Richard Henderson  <rth@redhat.com>
33287
33288	PR tree-opt/14329
33289	* tree.h (struct tree_decl): Add debug_expr_is_from.
33290	(DECL_DEBUG_EXPR_IS_FROM): New.
33291	(DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
33292	* dwarf2out.c (dwarf2out_var_location): Update to match.
33293	* tree-outof-ssa.c (create_temp): Likewise.
33294	* var-tracking.c (track_expr_p): Likewise.
33295	* tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
33296	* c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
33297	* toplev.c (default_tree_printer): Likewise.
33298
332992005-01-27  Alexandre Oliva  <aoliva@redhat.com>
33300
33301	* config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
33302	GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
33303
333042005-01-27  Steven Bosscher  <stevenb@suse.de>
33305
33306	* tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
33307	CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
33308	ASM_CLOBBERS): Add tree checks.
33309
33310	* c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
33311	(SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
33312	* c-common.def (SWITCH_STMT): Update to match.
33313	* c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
33314	macros instead of SWITCH_EXPR ones.
33315	* c-dump.c (c_dump_tree): Likewise.
33316	* c-gimplify.c (gimplify_switch_stmt): Likewise.
33317	* c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
33318
33319	* doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
33320
333212005-01-27  Alan Modra  <amodra@bigpond.net.au>
33322
33323	* unwind-dw2.c (execute_stack_op): Add missing cases for
33324	DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
33325
333262005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
33327
33328	* config.gcc (Obsolete configurations): Remove 'dummy', add
33329	sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
33330	sparc-*-openbsd*.
33331
333322005-01-26  Diego Novillo  <dnovillo@redhat.com>
33333
33334	PR tree-optimization/19633
33335	* tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
33336	CALL_EXPRs.
33337	(maybe_create_global_var): Do not create .GLOBAL_VAR if there
33338	are no call-clobbered variables.
33339	* tree-outof-ssa.c (check_replaceable): Return false for calls
33340	with side-effects.
33341
333422005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
33343
33344	* dbxout.c (dbxout_symbol_location): Resolve constant pool references
33345	even for variables with NULL DECL_INITIAL.
33346
333472005-01-26  Stuart Hastings  <stuart@apple.com>
33348
33349	* gimplify.c (shortcut_cond_expr): Re-compute side-effects.
33350
333512005-01-26  Richard Henderson  <rth@redhat.com>
33352
33353	PR middle-end/18008
33354	* c-decl.c (finish_struct): Set DECL_MODE after resetting a
33355	field's type.
33356	* expr.c (store_field): Strip conversions to odd-bit-sized types
33357	if the destination field width matches.
33358
333592005-01-26  Richard Henderson  <rth@redhat.com>
33360
33361	* c-decl.c, expmed.c, expr.c: Revert last change.
33362
333632005-01-26  Richard Henderson  <rth@redhat.com>
33364
33365	PR middle-end/18008
33366	* c-decl.c (finish_struct): Set DECL_MODE after resetting a
33367	field's type.
33368	* expmed.c (store_fixed_bit_field): Create a paradoxical subreg
33369	if we don't need the bits above those present in the current mode.
33370	* expr.c (store_field): Strip conversions to odd-bit-sized types
33371	if the destination field width matches.
33372
333732005-01-26  Richard Sandiford  <rsandifo@redhat.com>
33374
33375	* config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
33376	either -ffast-math or -funsafe-math-optimizations is in use.
33377
333782005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
33379
33380	PR target/19293
33381	PR target/19329
33382	* config/avr/avr.c (notice_update_cc): Only set condition code for
33383	ashrqi3 if shift count > 0.
33384	(out_shift_with_cnt): Handle shift count <= 0 as a no-op.
33385	(ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
33386	ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
33387	count <= 0 as a no-op, and shift count >= width by copying zero
33388	or sign bit to all bits of the result.
33389	* config/avr/avr.md (all shifts): Add alternatives for zero shift
33390	count, with attribute "length" set to 0 and "cc" set to "none".
33391
333922005-01-26  Aldy Hernandez  <aldyh@redhat.com>
33393
33394	* doc/invoke.texi: Document -mTLS.
33395
33396	* testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
33397	* testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
33398	* testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
33399	* testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
33400	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
33401	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
33402	* testsuite/gcc.target/frv/all-tls-local-exec.c: New.
33403	* testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
33404
33405	* configure.ac: Check for a TLS capable gas.
33406
33407	* configure: Regenerate.
33408
334092005-01-26  Richard Henderson  <rth@redhat.com>
33410
33411	PR middle-end/18008
33412	* combine.c (make_field_assignment): Simplify store to zero_extract
33413	from a source with an overlapping mask.
33414
334152005-01-26  Aldy Hernandez  <aldyh@redhat.com>
33416
33417	2004-11-11  Eric Christopher  <echristo@redhat.com>
33418
33419	* config/frv/frv.md: Add fr400_integer automaton. Don't
33420	allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
33421	to TYPE_MACC.
33422
334232005-01-26  Steven Bosscher  <stevenb@suse.de>
33424
33425	PR middle-end/16585
33426	* cfgbuild.c (make_edges): Do not clear or set
33427	current_function_has_computed_jump.
33428	* function.h (struct function): Remove the has_computed_jump field.
33429	(current_function_has_computed_jump): Do not define.
33430	* sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
33431	in a computed jump.  Ignore current_function_has_computed_jump.
33432
334332005-01-26  Richard Henderson  <rth@redhat.com>
33434
33435	PR middle-end/19515
33436	* expr.c (categorize_ctor_elements): New argument p_must_clear.
33437	(categorize_ctor_elements_1): Likewise.  Detect a union that isn't
33438	fully initialized.
33439	(mostly_zeros_p): Update for new categorize_ctor_elements argument.
33440	* gimplify.c (gimplify_init_constructor): Likewise.  Only shove
33441	objects into static storage if they have more than one non-zero value.
33442	* tree.h (categorize_ctor_elements): Update decl.
33443
334442005-01-26  Steven Bosscher  <stevenb@suse.de>
33445
33446	PR middle-end/19616
33447	* tree.h (CALL_EXPR_TAILCALL): Add comment.
33448	* calls.c (check_sibcall_argument_overlap_1): Revert the change
33449	to this function from 2004-07-10.
33450	* tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
33451	the current function for tail call optimizations if the address
33452	of one of it its arguments is taken.
33453
334542005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
33455
33456	* cse.c (fold_rtx): Call equiv_constant only when necessary.
33457
334582005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
33459
33460	* function.c (expand_function_end): If current_function_calls_alloca,
33461	emit stack restore in a place that is reached when the function falls
33462	through at the end.
33463
334642005-01-26  Alexandre Oliva  <aoliva@redhat.com>
33465
33466	* Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
33467	rule to avoid matching inappropriate suffix rule.
33468
334692005-01-26  Jan Hubicka  <jh@suse.cz>
33470
33471	PR tree-optimization/19241
33472	* tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
33473
334742005-01-26  Hans-Peter Nilsson  <hp@axis.com>
33475
33476	* config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
33477	-lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
33478	of doubling.
33479	(STARTFILE_SPEC): Add crti.o, before crtbegin.o.
33480	<sim*>: Always use crt1.o, regardless of N in simN.
33481	<!sim>: Drop support for -pg and -p variants; always use crt0.o.
33482	(ENDFILE_SPEC): Add crtn.o, after crtend.o.
33483	(CRT_CALL_STATIC_FUNCTION): Remove.
33484	* config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
33485	use crt1.o, regardless of N in simN.
33486	<!sim>: Drop support for -pg and -p variants; always use crt0.o.
33487	(LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
33488	(CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
33489	case isystem setting.
33490	(MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
33491
334922005-01-25  Ian Lance Taylor  <ian@airs.com>
33493
33494	* gimple-low.c (block_may_fallthru): Correct handling of
33495	SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
33496
334972005-01-26  Hans-Peter Nilsson  <hp@axis.com>
33498
33499	* config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
33500	handlers to match indentation; nested under the mtune=* handler.
33501	Similar for mcpu= and march=.
33502
335032005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
33504
33505	* config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
33506	* config/mips/linux64.h (LIB_SPEC): Likewise.
33507	* config/mn10300/linux.h (LIB_SPEC): Likewise.
33508	* config/sh/linux.h (LIB_SPEC): Likewise.
33509
335102005-01-25  Aldy Hernandez  <aldyh@redhat.com>
33511
33512	* config/frv/frv.c (frv_legitimize_tls_address): New.
33513	(TARGET_HAVE_TLS): Define.
33514	(FRV_SYMBOL_REF_TLS_P): Define.
33515	(frv_override_options): Handle new register classes.
33516	(frv_legitimate_address_p): Reject tls addresses.
33517	(frv_legitimize_address): Handle TLS addresses.
33518	(gen_inlined_tls_plt): New.
33519	(gen_tlsmoff): New.
33520	(frv_legitimize_tls_address): New.
33521	(unspec_got_name): Add TLS entries.
33522	(got12_operand): Add R_FRV_TLSMOFF12 case.
33523	(frv_emit_move): Fixup TLS addresses.
33524	(frv_emit_movsi): Legitimize TLS addresses.
33525
33526	* config/frv/frv.h (MASK_BIG_TLS): New.
33527	(TARGET_BIG_TLS): New.
33528	(HAVE_AS_TLS): Define.
33529	(TARGET_SWITCHES): Add -mTLS and -mtls options.
33530	(enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
33531	(REG_CLASS_NAMES): Same.
33532	(REG_CLASS_CONTENTS): Same.
33533	(CONSTRAINT_LEN): New.
33534	(REG_CLASS_FROM_CONSTRAINT): New.
33535	(PREDICATE_CODES): Add symbolic_operand.
33536
33537	* config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
33538	UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
33539	UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
33540	UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
33541	R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
33542	R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
33543	R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
33544	GR9_REG, GR14_REG, LRREG.
33545	(type): Add load_or_call attribute.
33546	("load_or_call"): New reservation.
33547	("call_gettlsoff"): New.
33548	("tls_indirect_call"): New.
33549	("tls_load_gottlsoff12"): New.
33550	("tlsoff_hilo"): New.
33551	("tls_tlsdesc_ldd"): New.
33552	("tls_tlsoff_ld"): New.
33553	("tls_lddi"): New.
33554
33555	* config/frv/frv-protos.h (symbolic_operand): Protoize.
33556
33557	2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
33558
33559	* config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
33560	* config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
33561	* config/frv/frv.c (TLS_BIAS): Define.
33562	(frv_output_dwarf_dtprel): New.
33563
335642005-01-26  Jakub Jelinek  <jakub@redhat.com>
33565
33566	PR rtl-optimization/19579
33567	* ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
33568	both A and B, see if they don't clobber registers the other expr uses.
33569
335702005-01-25  J"orn Rennecke <joern.rennecke@st.com>
33571
33572	* real.c (do_add): Initialize signalling and canonical members.
33573
33574	* real.c (real_from_integer): Zero out destination.
33575
335762005-01-18  Jan Hubicka  <jh@suse.cz>
33577
33578	PR tree-optimize/19337
33579	* tree-inline.c (initialize_inlined_parameters): Copy
33580	saved_static_chain_decl only.
33581
335822005-01-25  Richard Henderson  <rth@redhat.com>
33583
33584	PR target/19556
33585	PR target/19584
33586	* config/i386/i386.c (x86_inter_unit_moves): Zero.
33587	(ix86_preferred_reload_class): Rewrite fp-constant section, with
33588	80387 enabled, to return a proper subclass.  Return the subset that
33589	overlaps with GENERAL_REGS for PLUS.
33590	* config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
33591
335922005-01-25  Richard Henderson  <rth@redhat.com>
33593
33594	PR middle-end/19609
33595	* tree-complex.c (expand_complex_div_wide): Use the correct formulae.
33596
335972005-01-25  Roger Sayle  <roger@eyesopen.com>
33598
33599	* expmed.c (choose_multiplier): Change interface to return the
33600	multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
33601	(expand_divmod): Update calls to choose_multiplier.
33602
336032005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33604
33605	PR middle-end/19330
33606	* expmed.c (extract_bit_field): Use adjust_address instead of
33607	gen_lowpart when op0 is a MEM.
33608
336092005-01-24  Steven Bosscher  <stevenb@suse.de>
33610
33611	* cfgexpand.c (expand_gimple_tailcall): Fix typo.
33612
336132005-01-24  Richard Sandiford  <rsandifo@redhat.com>
33614
33615	* config/mips/irix-csr.c: New file.
33616	* config/mips/t-iris6 (irix-csr.o): New rule to build it.
33617	(EXTRA_MULTILIB_PARTS): Add irix-csr.o.
33618	* config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
33619	executables.
33620
336212005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
33622
33623	PR bootstrap/19364
33624	* config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
33625	sparc/elf.h, add sparc/sp-elf.h.
33626	(sparc-*-rtems*): Likewise.
33627	(sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
33628	tm-dwarf2.h, add sparc/sp-elf.h.
33629	(sparc86x-*-elf): Likewise.
33630	(sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
33631	* config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
33632	TARGET_OS_CPP_BUILTINS.
33633	* config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
33634	* config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
33635	Undefine it.
33636	* config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
33637	* config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
33638	(SWITCH_TAKES_ARG): Likewise.
33639	(LOCAL_LABEL_PREFIX): Likewise.
33640	(ASM_GENERATE_INTERNAL_LABEL): Likewise.
33641	(TARGET_N_FORMAT_TYPES): Delete.
33642	(TARGET_FORMAT_TYPES): Likewise.
33643	(ASM_DECLARE_FUNCTION_SIZE): Likewise.
33644	* config/sparc/elf.h: Delete.
33645	* config/sparc/sp-elf.h: New file.
33646
336472005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
33648
33649	* tree-flow-inline.h (phi_arg_from_edge): Remove.
33650	* tree-flow.h: Remove the corresponding prototype.
33651	* tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
33652	tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
33653
336542005-01-24  Jakub Jelinek  <jakub@redhat.com>
33655
33656	PR target/17751
33657	* config/rs6000/rs6000.c (rs6000_file_start): Create toc section
33658	for AIX ABI or ELF -fPIC.
33659	(rs6000_emit_load_toc_table): Don't create toc_section here.
33660	(rs6000_xcoff_file_start): Nor here.
33661
336622005-01-24  J"orn Rennecke <joern.rennecke@st.com>
33663
33664	* sh.c (ra.h): Don't #include.
33665	(hard_regs_intersect_p): New function, resurrected from ra.c.
33666
33667	* sh.c: Fix 1996 Copyright.
33668
336692005-01-24  Richard Henderson  <rth@redhat.com>
33670	    Aldy Hernandez  <aldyh@redhat.com>
33671
33672	* regrename.c (note_sets): Handle subregs.
33673
336742005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
33675
33676	PR bootstrap/18058
33677	* genconditions.c (write_header, write_conditions): Elide file if
33678	not GCC >= 3.0.1.
33679
336802005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
33681
33682	* c-opts.c, expmed.c, gengtype.c, tree-complex.c,
33683	config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
33684	Update copyright.
33685
336862005-01-24  Jakub Jelinek  <jakub@redhat.com>
33687
33688	* builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
33689	expand_builtin_printf, expand_builtin_fprintf,
33690	expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
33691	checking against POINTER_TYPE.
33692	(validate_arglist): Handle POINTER_TYPE code by checking
33693	POINTER_TYPE_P.
33694
336952005-01-24  Paolo Bonzini  <bonzini@gnu.org>
33696
33697	* rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
33698	init_rtlanal): New.
33699	(for_each_rtx): Call for_each_rtx_1.
33700	* rtl.h (init_rtlanal): Declare.
33701	* toplev.c (backend_init): Call init_rtlanal.
33702
337032005-01-24  Jakub Jelinek  <jakub@redhat.com>
33704
33705	* flow.c (propagate_one_insn): Formatting.
33706
33707	PR middle-end/19551
33708	* flow.c (libcall_dead_p): Be more conservative if unsure.
33709	If there are any instructions between insn and call, see if they are
33710	all dead before saying the libcall is dead.
33711
337122005-01-24  Uros Bizjak  <uros@kss-loka.si>
33713
33714	* config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
33715	operand constraint for operand 0.
33716
337172005-01-23  Richard Henderson  <rth@redhat.com>
33718
33719	PR 19486
33720	* tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
33721	edges leading to join block.
33722
337232005-01-23  Roger Sayle  <roger@eyesopen.com>
33724
33725	* expmed.c (expand_mult_highpart): Make static.  Change type of
33726	constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
33727	(expand_divmod): Updates calls to expand_mult_highpart by using
33728	gen_int_mode to pass a CONST_INT rtx.
33729	* rtl.h (expand_mult_highpart): Remove prototype.
33730
337312005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
33732
33733	* flow.c (regset_bytes, regset_size): Remove.
33734
33735	* cfganal.c: Fix a reference to Harvey's paper.
33736
337372005-01-23  Steven Bosscher  <stevenb@suse.de>
33738
33739	PR rtl-optimization/19464
33740	* tree-optimize.c (init_tree_optimization_passes): Add one more
33741	copyrename pass just before out-of-ssa.
33742
337432005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
33744
33745	PR bootstrap/18058
33746	* recog.c (recog_memoized): Don't define if GENERATOR_FILE.
33747	* ggc-none.c (ggc_free): Define.
33748
337492005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
33750
33751	* cse.c (max_reg, max_insn_uid): Remove.
33752	(cse_main): Don't access max_reg or max_insn_uid.
33753
33754	* c-common.c (explicit_flag_signed_bitfields,
33755	lang_statement_code_p, lang_expand_function_end): Remove.
33756	* c-common.h: Remove the corresponding declarations.
33757	* c-opts.c (c_common_handle_option): Remove all write access
33758	to explicit_flag_signed_bitfields.
33759
33760	* cgraph.c (cgraph_varpool_n_nodes): Remove.
33761	(cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
33762	* cgraph.h: Remove the corresponding declaration.
33763
33764	* gcse.c (null_pointer_info): Remove.
33765
337662005-01-23  Roger Sayle  <roger@eyesopen.com>
33767	    Eric Botcazou  <ebotcazou@libertysurf.fr>
33768
33769	* combine.c (simplify_logical): Only simplify logical expressions
33770	of the form ior(and(x,y),z) by the inverse distributive law if the
33771	result is cheaper than the original.
33772
337732005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
33774
33775	* alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
33776	fold-const.c, gimplify.c, params.h, tree-data-ref.c,
33777	tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
33778	tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
33779	config/freebsd-spec.h, config/arm/arm.h,
33780	config/h8300/h8300.md, config/i386/i386.md,
33781	config/i386/predicates.md, config/i386/sse.md,
33782	config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
33783	config/vax/vax.md: Fix comment typos.  Follow spelling
33784	conventions.
33785
337862005-01-23  Steven Bosscher  <stevenb@suse.de>
33787
33788	* gengtype.c (walk_type): Produce `not equal to' compares for loop
33789	tests, instead of `less than'.
33790
337912005-01-23  Richard Sandiford  <rsandifo@redhat.com>
33792
33793	* function.c (assign_parm_setup_block): When creating a new stack slot
33794	for a parameter, get its alignment from the parameter's DECL_ALIGN
33795	rather than the type's TYPE_ALIGN.  Make sure that the parameter
33796	is at least word aligned.
33797
337982005-01-22  Roger Sayle  <roger@eyesopen.com>
33799
33800	PR middle-end/19378
33801	* config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
33802
338032005-01-22  Richard Henderson  <rth@redhat.com>
33804
33805	PR target/19506
33806	* config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
33807	in both compare operands.
33808	(movdfcc_1_sse_max): Likewise.
33809	(movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
33810	(movdfcc_1_sse): Likewise.
33811	* config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
33812	scratch register as needed.
33813
338142005-01-22  Richard Henderson  <rth@redhat.com>
33815
33816	* config/i386/i386.md (smaxsf3): Fix mnemonic typo.
33817
33818	* config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
33819
338202005-01-22  Richard Henderson  <rth@redhat.com>
33821
33822	* genopinit.c (optabs): Use smin/smax for floating point too.
33823	* doc/md.texi: Update to match.  Clarify that floating point
33824	results are undefined for +0/-0 and NaN.
33825	* doc/rtl.texi: Likewise.
33826	* rtl.def (SMIN, SMAX): Likewise
33827	* tree.def (MIN_EXPR, MAX_EXPR): Likewise.
33828
33829	* config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
33830	leading 's' to the name.
33831	* config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
33832	smaxxf3, sminxf3): Likewise.
33833	* config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
33834	Likewise.
33835
338362005-01-22  Paul Brook  <paul@codesourcery.com>
33837
33838	* config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
33839
338402005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
33841
33842	* config/s390/s390.c (struct processor_costs): New fields
33843	dlgr, dlr, dr, dsgfr, dsgr.
33844	(z900_cost, z990_cost): Values for new fields.
33845	(s390_rtx_costs): New cases MEM und COMPARE in switch
33846	statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
33847	DIV, MOD, UDIV, UMOD.
33848
338492005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
33850
33851	* config/s390/s390.md ("doloop_si64"): Reload input value directly
33852	into the register being decremented.
33853	("doloop_si31", "doloop_di"): Likewise.
33854	("*doloop_si_long"): Adapt pattern.
33855
338562005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
33857
33858	* config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
33859	access registers.
33860	(CLASS_MAX_NREGS): Likewise.
33861
338622005-01-21  Daniel Berlin  <dberlin@dberlin.org>
33863
33864	* doc/tree-ssa.texi (Statement Operands): Add example for new
33865	must-def macro. Note deprecation of old operands interface.
33866
338672005-01-22  Richard Sandiford  <rsandifo@redhat.com>
33868
33869	PR tree-optimization/19484
33870	* tree-cfg.c (remove_fallthru_edge): New function.
33871	(cleanup_control_flow): Remove fallthru edges from calls that are
33872	now known not to return.
33873
338742005-01-20  Daniel Berlin  <dberlin@dberlin.org>
33875
33876	Fix PR tree-optimization/19038
33877	* tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
33878	copies with loop variant ones.
33879
338802005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
33881
33882	* cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
33883	config/alpha/alpha-protos.h, config/alpha/alpha.h,
33884	config/alpha/alpha.md, config/alpha/predicates.md,
33885	config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
33886	config/sparc/sol2.h: Update copyright.
33887
33888	* tree-cfg.c (remove_forwarder_block_with_phi): Look at the
33889	first label to see if it is a nonlocal label.
33890
338912005-01-22  David Edelsohn  <edelsohn@gnu.org>
33892	    Andrew Pinski  <pinskia@physics.uc.edu>
33893
33894	PR target/19491
33895	* config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
33896	maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
33897
338982005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
33899
33900	* config/rs6000/rtems.h: Update copyright.
33901
339022005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
33903
33904	PR target/19548
33905	* config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
33906	(CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
33907	(SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
33908
339092005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
33910
33911	PR c/18809
33912	* c-typeck.c (convert_arguments): Check for error_mark_node.
33913
339142005-01-21  Ian Lance Taylor  <ian@airs.com>
33915
33916	PR tree-optimization/13000
33917	* tree-inline.c: Include "tree-flow.h".
33918	(expand_call_inline): If warn_return_type, warn if non-void inline
33919	function falls through.
33920	* tree-cfg.c (execute_warn_function_return): Don't warn about
33921	control reaching end if TREE_NO_WARNING is set.  Set
33922	TREE_NO_WARNING.
33923	* gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
33924	has been lowered.
33925	* gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
33926	branch if we don't need one.
33927	* c-typeck.c: Include "tree-flow.h"
33928	(c_finish_bc_stmt): Don't add a goto if the current statement
33929	list doesn't fall through to the current point.
33930
339312005-01-21  Roger Sayle  <roger@eyesopen.com>
33932
33933	PR rtl-optimization/576
33934	* real.c (real_arithmetic): Change return type from void to bool
33935	to return an indication that the result may be inexact.
33936	* real.h (real_arithmeric): Update prototype.
33937	* fold-const.c (const_binop): Don't constant fold floating
33938	point expressions when the user specifies -frounding-math and
33939	the result may depend upon the run-time rounding mode.
33940	(fold_convert_const_real_from_real): Clean-up.
33941	(fold_initializer): Ignore flag_rounding_math for initializers.
33942	* simplify-rtx.c (simplify_binary_operation): Likewise, don't
33943	constant fold FP operations with flag_rounding_math if the
33944	result may depend upon the run-time rounding mode.
33945
339462005-01-21  Tom Tromey  <tromey@redhat.com>
33947
33948	* c-cppbuiltin.c (define__GNUC__): Correct assertion.
33949
339502005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
33951
33952	* tree-cfg.c: Fix comment typos.
33953
339542005-01-21  J"orn Rennecke <joern.rennecke@st.com>
33955
33956	* passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
33957	around the call to rest_of_handle_branch_target_load_optimize.
33958
339592005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
33960
33961	* config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
33962	(sparc64-*-openbsd*): Likewise.
33963	(sparclite-*-elf*): Include tm-dwarf2.h.
33964	(sparc86x-*-elf*): Likewise.
33965	(sparc64-*-elf*): Likewise.
33966	* config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
33967	(DBX_DEBUGGING_INFO): Likewise.
33968	* config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
33969	(PREFERRED_DEBUGGING_TYPE): Likewise.
33970	* config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
33971	* config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
33972	(PREFERRED_DEBUGGING_TYPE): Likewise.
33973	* config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
33974	(PREFERRED_DEBUGGING_TYPE): Likewise.
33975	* config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
33976
339772005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
33978
33979	PR target/18701
33980	* combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
33981
339822005-01-20  Paul Brook  <paul@codesourcery.com>
33983
33984	* doc/rtl.texi: Document value extension requirements for CONST_INT.
33985
339862005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
33987
33988	* tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
33989	label is first in a sequence of labels.
33990
33991	* tree-cfg.c (tree_verify_flow_info): Fix a typo.
33992
339932005-01-20  Janis Johnson  <janis187@us.ibm.com>
33994	    Giovanni Bajo  <giovannibajo@gcc.gnu.org>
33995
33996	* doc/sourcebuild.texi (Test Directives): New.
33997
339982005-01-20  Roger Sayle  <roger@eyesopen.com>
33999
34000	* real.c (real_floor): Don't leave the result uninitialized when
34001	mode is VOIDMode, but return the unrounded intermediate value.
34002	(real_ceil): Likewise.
34003
340042005-01-20  Paul Brook  <paul@codesourcery.com>
34005
34006	* config/arm/arm.md (insv): Use gen_int_mode.
34007
340082005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
34009
34010	* config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
34011	* config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
34012	* config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
34013	* config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
34014	* config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
34015
340162005-01-20  Daniel Berlin  <dberlin@dberlin.org>
34017
34018	Fix PR debug/19124
34019	* dwarf2out.c (concat_loc_descriptor): We don't know we can use
34020	fbreg, so we have to assume we can't.
34021	(loc_descriptor_from_tree_1): Ditto.
34022	(containing_function_has_frame_base): New function.
34023	(add_location_or_const_value_attribute): Use it.
34024	Also try to generate a frame_base from a single element location
34025	list.
34026
340272005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
34028
34029	PR tree-optimization/15349
34030	* timevar.def (TV_TREE_MERGE_PHI): New.
34031	* tree-cfg.c (tree_forwarder_block_p): Add a new argument
34032	PHI_WANTED.
34033	(remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
34034	calls to tree_forwarder_block_p.
34035	(remove_forwarder_block_with_phi, merge_phi_nodes,
34036	gate_merge_phi, pass_merge_phi): New.
34037	* tree-optimize.c (init_tree_optimization_passes): Add
34038	pass_merge_phi.
34039	* tree-pass.h: Add an extern for pass_merge_phi;
34040
340412005-01-20  Richard Henderson  <rth@redhat.com>
34042
34043	PR target/19418
34044	* config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
34045	(_mm_castps_pd, _mm_castps_si128): New.
34046	(_mm_castsi128_ps, _mm_castsi128_pd): New.
34047
340482005-01-20  Richard Henderson  <rth@redhat.com>
34049
34050	PR target/19530
34051	* config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
34052	__builtin_ia32_vec_init_v2si.
34053	(_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
34054	* config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
34055	(ix86_init_mmx_sse_builtins): Create it.
34056	(ix86_expand_builtin): Expand it.
34057	(ix86_expand_vector_set): Handle V2SFmode and V2SImode.
34058	* config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
34059	(vec_extractv2si_0, vec_extractv2si_1): New.
34060
340612005-01-20  Richard Henderson  <rth@redhat.com>
34062
34063	PR target/16533
34064	* config/i386/i386.c (ix86_expand_push): New.
34065	* config/i386/mmx.md (push<MMXMODE>1): New.
34066	* config/i386/sse.md (push<SSEMODE>1): New.
34067	* config/i386/i386-protos.h: Update.
34068
340692005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
34070
34071	* params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
34072	copyright.
34073
340742005-01-20  Richard Henderson  <rth@redhat.com>
34075
34076	* rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
34077	* rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
34078
340792005-01-19  Richard Henderson  <rth@redhat.com>
34080
34081	PR target/19350
34082	* config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
34083	to V4SFmode in SSE1 fallback load path.
34084
340852005-01-19  Richard Henderson  <rth@redhat.com>
34086
34087	* config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
34088	in QImode expansion to ix86_expand_vector_set.
34089	(ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
34090
340912005-01-19  Richard Henderson  <rth@redhat.com>
34092
34093	PR target/19511
34094	* config/i386/i386.c (ix86_preferred_reload_class): Return a proper
34095	subclass of the input class.
34096	(ix86_secondary_memory_needed): Always true for cross-MMX classes.
34097	Always true for cross-SSE1 classes.  Rationalize conditionals.
34098	* config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
34099	* config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
34100	for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
34101	(movdi_2): Add MMX/SSE zeros.
34102	(movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
34103	(movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
34104	(zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
34105	(movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
34106	(movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
34107	(zero_extendsidi2_rex64_1): Remove.
34108	(MOV0 peephole): Check GENERAL_REG_P.
34109
341102005-01-19  Richard Henderson  <rth@redhat.com>
34111
34112	PR target/19427
34113	* config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
34114	shufps elements.
34115	(ix86_expand_vector_extract): Likewise.
34116
341172005-01-19  Richard Henderson  <rth@redhat.com>
34118
34119	PR middle-end/19304
34120	* expr.c (emit_move_change_mode): New argument force; use
34121	simplify_gen_subreg if true.
34122	(emit_move_via_alt_mode): Merge into ...
34123	(emit_move_via_integer): ... here.
34124	(emit_move_ccmode): Use emit_move_change_mode directly.
34125
341262005-01-19  Richard Henderson  <rth@redhat.com>
34127
34128	PR target/19518
34129	* config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
34130	(alpha_preferred_reload_class): Handle CONST_VECTOR.
34131	(alpha_emit_set_const_1): Add no_output parameter; don't emit
34132	rtl if true.
34133	(alpha_emit_set_const): Likewise.  Make static.
34134	(alpha_emit_set_long_const): Make static.
34135	(alpha_extract_integer): Split out from alpha_expand_mov.
34136	(alpha_split_const_mov): Likewise.
34137	(alpha_expand_mov): Use them.  Handle CONST_VECTOR.
34138	(alpha_legitimate_constant_p): New.
34139	* config/alpha/alpha-protos.h: Update.
34140	* config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
34141	(LEGITIMATE_CONSTANT_P): Re-implement with a function.
34142	* config/alpha/alpha.md (movsi): Add n alternative.
34143	(movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
34144	(mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
34145	(splitters for all of the above): Use alpha_split_const_mov.
34146	* config/alpha/predicates.md (non_add_const_operand): New.
34147	(non_zero_const_operand): New.
34148	(input_operand): Use alpha_legitimate_constant_p after reload.
34149
341502005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
34151
34152	PR tree-optimization/19038
34153	* tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
34154	(add_candidate): Add ivs with increment in latch only if
34155	allow_ip_end_pos_p is true.
34156	(determine_iv_cost): Use empty_block_p.
34157
341582005-01-19  Daniel Berlin  <dberlin@dberlin.org>
34159
34160	* cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
34161	(compute_dominance_frontiers): Ditto.
34162
341632005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
34164
34165	PR target/19529
34166	* config/sh/t-rtems: New.
34167	* config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
34168
341692005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
34170
34171	* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
34172	the offset of the selected field.
34173
341742005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
34175
34176	* tree-cfg.c (remove_forwarder_block): Fix the check to
34177	prevent a nonlocal label from appearing in the middle of a
34178	basic block.
34179
341802005-01-19  Hans-Peter Nilsson  <hp@axis.com>
34181
34182	PR rtl-optimization/19462
34183	* reorg.c (find_end_label): Create return insn only if
34184	current_function_epilogue_delay_list is empty.
34185
341862005-01-19  Paolo Bonzini  <bonzini@gnu.org>
34187
34188	* doc/passes.texi: Remove paragraph mentioning new-ra.
34189
341902005-01-19  Jakub Jelinek  <jakub@redhat.com>
34191
34192	PR rtl-optimization/15139
34193	* combine.c: Include params.h.
34194	(count_rtxs): New function.
34195	(record_value_for_reg): If replace_rtx would replace at least
34196	2 occurrences of REG in VALUE and TEM is really large, replace REG with
34197	(clobber (const_int 0)) instead of TEM.
34198	* params.def (PARAM_MAX_LAST_VALUE_RTL): New.
34199	* params.h (MAX_LAST_VALUE_RTL): New.
34200	* Makefile.in (combine.o): Depend on $(PARAMS_H).
34201	* doc/invoke.texi (--param max-last-value-rtl=N): Document.
34202
34203	PR c/17297
34204	* c-typeck.c (digest_init): Only call build_vector if all constructor
34205	elements are *_CST nodes.
34206	* gimplify.c (gimplify_init_constructor): Likewise.
34207
34208	PR middle-end/19164
34209	* c-typeck.c (digest_init): Only call build_vector if inside_init
34210	is a CONSTRUCTOR.
34211
342122005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
34213
34214	* toplev.c (init_asm_output): Remove dead #ifdef.
34215
342162005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
34217
34218	* config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
34219
342202005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
34221
34222	* calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
34223	accessing DECL_FUNCTION_CODE.
34224	* dojump.c (do_jump): Likewise.
34225	* gimplify.c (gimplify_call_expr): Likewise.
34226	* predict.c (expr_expected_value): Likewise.
34227	(strip_builtin_expect): Likewise.
34228	* tree-inline.c (estimate_num_insns_1): Likewise.
34229	* tree-ssa-loop-im.c (stmt_cost): Likewise
34230	* fold-const.c (fold): Test for BUILT_IN_NORMAL.
34231	(tree_expr_nonnegative_p): Likewise.
34232
342332005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
34234
34235	* config/sparc/sparc.c (load_pic_register): Emit the appropriate
34236	variant of the load_pcrel_sym pattern.
34237	* config/sparc/sparc.md (P macro): Move to the top.
34238	(load_pcrel_sym): Macroize using P.
34239	(save_register_window): Likewise.
34240
342412005-01-18  Aldy Hernandez  <aldyh@redhat.com>
34242
34243	* config/rs6000/rs6000.md ("sunordered"): Disable for e500.
34244	("sordered"): Same.
34245
342462005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
34247
34248	PR C/19472
34249	* c-typeck.c (build_asm_expr): Strip nops off
34250	input memory operands.
34251
342522005-01-18  David Edelsohn  <edelsohn@gnu.org>
34253
34254	* config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
34255	_XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
34256	* config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
34257	* config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
34258
342592005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
34260
34261	PR target/19379
34262	* config/i386/i386.c (override_options): If the 80387 is disabled,
34263	then do not return FP values using FP registers.
34264
342652005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
34266
34267	* basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
34268	c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
34269	combine.c, config.gcc, coverage.h, cse.c, cselib.c,
34270	defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
34271	flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
34272	gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
34273	output.h, postreload-gcse.c, postreload.c, recog.c,
34274	resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
34275	targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
34276	tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
34277	tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
34278	tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
34279	tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
34280	tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
34281	unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
34282
34283	* config/darwin.c, config/darwin.h, config/freebsd-spec.h,
34284	config/alpha/alpha.c, config/arm/vfp.md,
34285	config/i386/emmintrin.h, config/i386/i386-modes.def,
34286	config/i386/i386-protos.h, config/i386/i386.h,
34287	config/i386/pmmintrin.h, config/i386/ppro.md,
34288	config/i386/predicates.md, config/i386/xmmintrin.h,
34289	config/i860/i860.c, config/ia64/ia64-modes.def,
34290	config/ia64/ia64-protos.h, config/ia64/ia64.h,
34291	config/ia64/ia64.md, config/ia64/itanium1.md,
34292	config/ia64/itanium2.md, config/ia64/predicates.md,
34293	config/iq2000/iq2000.h, config/mips/linux64.h,
34294	config/rs6000/aix41.h, config/rs6000/aix43.h,
34295	config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
34296	config/rs6000/rs6000.c, config/rs6000/rs6000.h,
34297	config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
34298	config/sparc/linux64.h, config/sparc/litecoff.h,
34299	config/sparc/sp64-elf.h, config/sparc/sparc.c,
34300	config/sparc/sparc.h, config/sparc/sparc.md,
34301	config/sparc/sysv4-only.h: Update copyright.
34302
343032005-01-18  Richard Henderson  <rth@redhat.com>
34304
34305	PR target/19496
34306	* config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
34307
343082005-01-18  Marc Espie  <espie@openbsd.org>
34309	* config/i386/openbsdelf.h: Typo.
34310
343112005-01-18  Richard Henderson  <rth@redhat.com>
34312
34313	* config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
34314	special case for sse.
34315	* config/i386/predicates.md (sse_comparison_operator): Likewise.
34316
343172005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
34318
34319	* tree-inline.c (estimate_num_insns_1): Added cases for
34320	ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
34321
343222005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
34323
34324	PR rtl-optimization/19296
34325	* combine.c (simplify_comparison): Rewrite the condition under
34326	which a non-paradoxical SUBREG of a PLUS can be lifted when
34327	compared against a constant.
34328
343292005-01-18  Andi Kleen <ak@muc.de>
34330
34331	* c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
34332	* c.opt (-Wpointer-sign): Add.
34333	* doc/invoke.texi: (-Wpointer-sign): Add.
34334
343352005-01-18  Uros Bizjak  <uros@kss-loka.si>
34336
34337	* config/i386/i386.c (override_options): Revert 2004-11-24 change.
34338	* config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
34339	*tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
34340	logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
34341	exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
34342	nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
34343	for TARGET_MIX_SSE_I387.
34344	(fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
34345	sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
34346	atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
34347	log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
34348	floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
34349	(TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
34350	TARGET_MIX_SSE_I387.
34351	(atan2sf3, atan2df3, atan2xf3): Remove register constraints
34352	from expander.
34353
343542005-01-18  Uros Bizjak  <uros@kss-loka.si>
34355
34356	PR target/19424
34357	* config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
34358	Add movaps alternative for xmm reg->reg move.
34359
343602005-01-17  Jeff Law  <law@redhat.com>
34361
34362	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
34363	at the end of the main DOM loop rather than just before DOM exits.
34364
343652005-01-17  Diego Novillo  <dnovillo@redhat.com>
34366
34367	PR tree-optimization/19121
34368	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
34369	adding aliases to a name tag, also add them to the pointer's
34370	type tag.
34371	* tree-ssa-copy.c (merge_alias_info): Do not merge flow
34372	sensitive alias info at all.  Only check that the two pointers
34373	have compatible pointed-to sets.
34374	* tree-ssa.c (verify_name_tags): Verify that the alias set of
34375	a pointer's type tag is a superset of the alias set of the
34376	pointer's name tag.
34377
343782005-01-17  James E Wilson  <wilson@specifixinc.com>
34379
34380	PR target/19357
34381	* config/ia64/ia64.md (movxf): Handle general register source.  Adjust
34382	comment to document why.
34383
343842005-01-17  Richard Henderson  <rth@redhat.com>
34385
34386	* config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
34387	sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
34388	sse2_vmsmaxv2df3_finite, sminv2df3_finite,
34389	sse2_vmsminv2df3_finite): New.
34390	(smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
34391	sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
34392	Force op1 into register.
34393
343942005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
34395
34396	* Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
34397	bubblestrap from always rebuilding build directory.
34398
343992005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
34400
34401	* config/s390/s390.md ("*clc"): Remove incorrect '='.
34402	("*cmpmem_short"): Likewise.
34403
344042005-01-17  Steven Bosscher  <stevenb@suse.de>
34405
34406	* basic-block.h: Document BB_* flags.
34407	* regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
34408	use an sbitmap instead.
34409	* sched-rgn.c (compute_trg_info): Likewise.
34410
344112005-01-17  Richard Sandiford  <rsandifo@redhat.com>
34412
34413	* config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
34414	redundant target_cpu_default and extra_parts lines.  Use the default
34415	"from-abi" ISA.
34416	* config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
34417	(SUBTARGET_EXTRA_SPECS): Delete.
34418	(DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
34419	(SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
34420	* config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
34421	and "n32" for -mabi=n32.
34422
344232005-01-17  Ian Lance Taylor  <ian@airs.com>
34424
34425	PR c/5675
34426	* c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
34427	fold constant variables into initial values.
34428
344292005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
34430
34431	* tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
34432
34433	* tree-cfg.c (tree_forwarder_block_p): Speed up by walking
34434	through the statements backward.
34435
344362005-01-17  Ian Lance Taylor  <ian@airs.com>
34437
34438	PR middle-end/13127:
34439	* tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
34440	a variable set to the return value of the inlined function.
34441
344422005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
34443
34444	* rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
34445	when modes are tieable.
34446
344472005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
34448
34449	* gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
34450	of pthread_create to find out if threads are enabled.
34451	* gthr-posix95.h (__gthread_active_p): Likewise.
34452
344532005-01-17  Paolo Bonzini  <bonzini@gnu.org>
34454
34455	* common.opt (-fnew-ra): Remove.
34456	* ra*.*: Remove.
34457	* toplev.h (flag_new_regalloc): Remove.
34458	* Makefile.in (ra*.*): Don't mention.
34459	* passes.c (rest_of_handle_new_regalloc): Remove.
34460	(rest_of_handle_combine, rest_of_compilation): Always consider
34461	flag_new_regalloc as false.
34462	* doc/invoke.texi: Don't document -fnew-ra.
34463
344642005-01-17  Paolo Bonzini <bonzini@gnu.org>
34465
34466	* bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
34467	last parameter to reg_scan.
34468	* loop.c (loop_optimize): Likewise.
34469	* passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
34470	rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
34471	rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
34472	rest_of_handle_gcse, rest_of_handle_loop_optimize,
34473	rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
34474	* regclass.c (reg_scan): Likewise, for the declaration.
34475	* rtl.h (reg_scan): Likewise, for the prototype.
34476
344772005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
34478
34479	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
34480	mark_dfs_back_edges.
34481
344822005-01-16  Daniel Berlin  <dberlin@dberlin.org>
34483
34484	* tree-ssa-pre.c (add_to_sets): s1 may be NULL.
34485	(compute_avail): Uses don't go in tmp_gen.
34486
344872005-01-16  Steven Bosscher  <stevenb@suse.de>
34488
34489	* ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
34490	loop to look for a free slot in a page entry.
34491
344922005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34493
34494	PR target/16304
34495	* defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
34496	* toplev.c (compile_file): Call process_pending_assemble_output_defs
34497	just before targetm.asm_out.file_end.
34498	* tree.h (process_pending_assemble_output_defs): Declare.
34499	* varasm.c (assemble_output_def, process_pending_assemble_output_defs):
34500	New functions.
34501	(assemble_alias): Defer generation of assembly code for defines when
34502	TARGET_DEFERRED_OUTPUT_DEFS is true.
34503	* config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
34504	* config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
34505	* doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
34506
345072005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34508
34509	PR target/19336
34510	* pa.c (pa_scalar_mode_supported_p): New function.
34511	(TARGET_SCALAR_MODE_SUPPORTED_P): Define.
34512	* pa.h (MIN_UNITS_PER_WORD): Add comment.
34513
34514	* pa-protos.h (prefetch_operand): Delete.
34515	(prefetch_cc_operand, prefetch_nocc_operand): New declations.
34516	* pa.c (prefetch_operand): Delete.
34517	(prefetch_cc_operand, prefetch_nocc_operand): New functions.
34518	* pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
34519	(PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
34520	and prefetch_nocc_operand.
34521	* pa.md (prefetch): Rework to avoid reload problems handling short
34522	displacements when a cache control completer needs to be provided.
34523	(prefetch_32, prefetch_64): Delete.
34524	(prefetch_cc, prefetch_nocc): New patterns.
34525
345262005-01-15  David Edelsohn  <edelsohn@gnu.org>
34527
34528	* config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
34529
345302005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34531
34532	PR ada/19388
34533	* pa.c (pa_asm_output_aligned_common): Warn if specified alignment
34534	exceeds maximum alignment for global common data.
34535	* pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
34536	* som.h (MAX_OFILE_ALIGNMENT): Likewise.
34537
345382004-01-15  Roger Sayle  <roger@eyesopen.com>
34539
34540	* tree-ssa-dom.c (extract_range_from_cond): Correct condition.
34541
345422004-01-15  Roger Sayle  <roger@eyesopen.com>
34543
34544	* harg-reg-set.h (reg_class_names): Prototype global array.
34545	* regclass.c (reg_class_names): Declare here and initialize to
34546	REG_CLASS_NAMES.
34547	(dump_regclass): Remove local declaration of reg_class_names.
34548	(regclass): Likewise.
34549	* cfg.c (dump_flow_info): Likewise.
34550	* ra-debug.c (reg_class_names): Likewise.
34551	* regrename.c (reg_class_names): Likewise.
34552	* reload.c (reg_class_names): Likewise.
34553	* reload1.c (spill_failure): Likewise.
34554	* config/m68hc11/m68hc11.c (reg_class_names): Likewise.
34555
345562005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
34557
34558	* config/s390/s390.md ("reload_outti"): Remove predicate for
34559	output operand.  Abort if operand is not a MEM.
34560	("reload_outdi", "reload_outdf"): Likewise.
34561
345622005-01-15  Marc Espie  <espie@openbsd.org>
34563
34564	* config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
34565	(i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
34566	* config/openbsd.h: Fix C++ includes for native configurations.
34567	Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
34568	Add trampoline support.
34569	* config/i386/openbsdelf.h: New.
34570
345712005-01-15  Marc Espie  <espie@openbsd.org>
34572
34573	* collect2.c (main): Explicitly parse -dynamic-linker option.
34574
345752005-01-15  Jakub Jelinek  <jakub@redhat.com>
34576
34577	PR tree-optimization/19060
34578	* tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
34579	Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
34580	(simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
34581	and handle extract_range_from_cond returning false.
34582	* fold-const.c (fold): Optimize comparisons with min/max even for
34583	width > HOST_BITS_PER_WIDE_INT.
34584
345852005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
34586
34587	* config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
34588	* config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
34589	Remove little endian multilib variants.
34590	Add mips32 multilib variant.
34591
345922005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
34593
34594	* explow.c (copy_all_reg, stabilize): Remove.
34595	* expr.h: Remove the corresponding prototypes.
34596
34597	* rtlanal.c (regs_set_between_p): Remove.
34598	* rtl.h: Remove the corresponding prototype.
34599
346002005-01-14  David Edelsohn  <edelsohn@gnu.org>
34601
34602	* config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
34603	to rs6000_nonimmediate_operand.
34604	* config/rs6000/rs6000.h (PREDICATE_CODES): Rename
34605	rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
34606	* config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
34607	rs6000_nonimmediate_operand.
34608	* config/rs6000/spe.md (movdf_e500_double): Rename predicate to
34609	rs6000_nonimmediate_operand.
34610
346112005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
34612
34613	* tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
34614
346152005-01-14  Aldy Hernandez  <aldyh@redhat.com>
34616
34617	* config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
34618	on e500v2.
34619	(CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
34620	(PREDICATE_CODES): Add rs6k_nonimmediate_operand.
34621
34622	* config/rs6000/rs6000.c (invalid_e500_subreg): New.
34623	(rs6k_nonimmediate_operand): New.
34624	(rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
34625	correctly.
34626	(legitimate_lo_sum_address_p): Same.
34627	(rs6000_legitimize_address): Same.
34628	(rs6000_legitimize_reload_address): Same.
34629	(rs6000_legitimate_address): Same.
34630	(spe_build_register_parallel): Pass DF and DC modes in a DI
34631	register.
34632
34633	* config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
34634	to rs6k_nonimmediate_operand.
34635
34636	* config/rs6000/spe.md ("*frob_df_di"): New.
34637	("*frob_di_df"): New.
34638	("*frob_di_df_2"): New.
34639	("*mov_sidf_e500_subreg0"): New.
34640	("*mov_sidf_e500_subreg4"): New.
34641	("*movdf_e500_double"): Change predicate to
34642	rs6k_nonimmediate_operand.
34643
346442005-01-14  Aldy Hernandez  <aldyh@redhat.com>
34645
34646	* postreload.c (move2add_note_store): Only call
34647	trunc_int_for_mode on scalar integers.
34648
346492005-01-14  Steven Bosscher  <stevenb@suse.de>
34650
34651	* tree-ssa-dce.c (visited_control_parents): New sbitmap to
34652	replace BB_VISITED uses.
34653	(find_obviously_necessary_stmts): Don't clear BB_VISITED.
34654	(propagate_necessity): Check the bitmap instead of BB_VISITED.
34655	(tree_dce_done): Free visited_control_parents.
34656	(perform_tree_ssa_dce): Allocate and clear it.
34657	* tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
34658	(compute_antic): Iterate from here using a DFS.  Use an sbitmap
34659	instead of BB_VISITED.
34660
346612005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
34662
34663	* c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
34664	rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
34665	Remove unused prototypes.
34666
346672005-01-14  Aldy Hernandez  <aldyh@redhat.com>
34668
34669	* config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
34670	64-bit register usage.
34671	(spe_func_has_64bit_regs_p): Add FIXME note.
34672
346732005-01-14  Aldy Hernandez  <aldyh@redhat.com>
34674
34675	* config/rs6000/rs6000.c (rs6000_generate_compare): Replace
34676	flag_finite_math_only with flag_unsafe_math_optimizations.
34677
346782005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
34679
34680	* config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
34681	end-of-stack check.
34682	(__tpf_eh_return): Copy TPF private stack area from the module
34683	boundary stack frame.  Add check for when module addresses are
34684	equal, but no stub address is found.
34685
346862005-01-14  Richard Earnshaw  <rearnsha@arm.com>
34687
34688	PR target/7525
34689	* arm.h (struct machine_function): Add call_via field.
34690	(thumb_call_via_label): Declare.
34691	* arm.c (thumb_call_via_label): New variable.
34692	(thumb_call_reg_needed): New variable.
34693	(arm_output_function_epilogue): For Thumb code, output any per-function
34694	call-indirect trampolines.
34695	(thumb_call_via_reg): New function.
34696	(arm_file_end): New function.
34697	(TARGET_ASM_FILE_END): Call arm_file_end.
34698	(aof_file_end): Likewise.
34699	* arm-protos.h (thumb_call_via_reg): Declare.
34700	* arm.md (call_reg_thumb, call_value_reg_thumb): Call
34701	thumb_call_via_reg in normal case.
34702
347032005-01-14  Jakub Jelinek  <jakub@redhat.com>
34704
34705	PR middle-end/19084
34706	PR rtl-optimization/19348
34707	* recog.c (peephole2_optimize): Do global life update if some peephole
34708	decides it doesn't need at least one of its inputs and that change
34709	influences liveness at the start of the basic block.
34710
34711	* basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
34712	arguments instead of 1.
34713
347142005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
34715
34716	PR middle-end/18820
34717	* varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
34718	zero for nested functions needing a static chain or functions
34719	with a non-constant address.
34720
347212005-01-13  Roger Sayle  <roger@eyesopen.com>
34722
34723	* simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
34724	(and (sign_extend X) C) into (zero_extend (and X C)).
34725
347262005-01-13  David O'Brien  <obrien@FreeBSD.org>
34727
34728	* config/freebsd-spec.h: Make KSE pthread lib logic the default.
34729
347302005-01-13  Richard Henderson  <rth@redhat.com>
34731
34732	PR target/19009
34733	PR target/19250
34734	PR target/19252
34735	* config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
34736	bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
34737	not just TARGET_SSE.
34738	(cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
34739	(cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
34740	(cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
34741	(cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
34742	(fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
34743	(fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
34744	(fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
34745	fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
34746	(movdicc_c_rex64): Rename with '*'.
34747	(movsfcc, movdfcc): Add checks for 387 and sse math to condition.
34748	(movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
34749	(movsfcc_1_387): Rename from movsfcc_1.
34750	(movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
34751	(movdfcc_1, movdfcc_1_rex64): Add check for 387.
34752	(sminsf3, smaxsf3, smindf3, smaxdf3): New.
34753	(minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
34754	mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
34755	maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
34756	sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
34757	sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
34758	sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
34759	sse_movdfcc_const0_4): Remove.
34760	* config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
34761	recognize min/max early.  Update for changed sse cmove patterns.
34762	(ix86_split_sse_movcc): New.
34763	* config/i386/i386-protos.h: Update.
34764
347652005-01-13  Steven Bosscher  <stevenb@suse.de>
34766
34767	* tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
34768	(fix_stmt_v_may_defs): Likewise.
34769
347702005-01-13  Richard Henderson  <rth@redhat.com>
34771
34772	* config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
34773	for converting the mask.
34774
347752005-01-13  David Edelsohn  <edelsohn@gnu.org>
34776
34777	* config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
34778	definition to 600.
34779
347802005-01-13  Richard Henderson  <rth@redhat.com>
34781
34782	* config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
34783	IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
34784	IX86_BUILTIN_MOVDQ2Q): Remove.
34785	(IX86_BUILTIN_VEC_EXT_V4SI): New.
34786	(ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
34787	(ix86_expand_vector_extract): For V4S[FI], extract element 0 after
34788	shuffling.
34789	* config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
34790	(sse2_pextrw): Fix immediate constraint.
34791	(sse2_loadq, sse2_loadq_rex64): Remove.
34792	* config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
34793	Use __builtin_ia32_vec_ext_<size>.
34794	(_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
34795
347962005-01-13  Aldy Hernandez  <aldyh@redhat.com>
34797
34798	* function.c (assign_parm_setup_block): Look inside original
34799	entry_parm when inspecting PARALLEL.
34800
348012005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
34802	    Joel Sherrill  <joel@oarcorp.com>
34803
34804	PR target/19399
34805	* gthr-rtems.h (__gthread_recursive_mutex_t): New type.
34806	(__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
34807	rtems_gxx_recursive_mutex_init.
34808	(__gthread_recursive_mutex_lock): New function.
34809	(__gthread_recursive_mutex_trylock): Likewise.
34810	(__gthread_recursive_mutex_unlock): Likewise.
34811
348122005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
34813
34814	* config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
34815
348162005-01-13  Jan Beulich  <jbeulich@novell.com>
34817
34818	* config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
34819	(ashrti3_internal): Indicate output is early clobber. Generate result
34820	into output rather than first input. Use move for low word of output
34821	if shift count is exactly 64.
34822	(lshrti3_internal): Likewise.
34823
348242005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
34825
34826	PR target/18329
34827	PR target/18330
34828	* reload1.c (delete_output_reload): Don't delete an output reload
34829	if the pseudo lives longer than a single basic block.  Adjust and
34830	improve wording of comment.
34831
348322005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
34833
34834	PR target/19334
34835	* config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
34836	of TYPE_SIZE where we mean the number of bytes.
34837
348382005-01-12  Aldy Hernandez  <aldyh@redhat.com>
34839
34840	* function.c (assign_parm_setup_block): Relax condition on
34841	multi-register optimization.
34842
348432005-01-12  Nick Clifton  <nickc@redhat.com>
34844
34845	* config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
34846	an "in_delay_slot" attribute of "no" to prevent them being used in
34847	delay slots.  This is forbidden because they might generate
34848	exceptions.
34849
348502005-01-12  Alan Modra  <amodra@bigpond.net.au>
34851
34852	PR target/19389
34853	* config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
34854	with r->Y and Y->r.
34855
348562005-01-12  Nick Clifton  <nickc@redhat.com>
34857
34858	* config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
34859	passed on to GAS) but do not define, as GAS no longer supports or
34860	needs the -m2000 option.
34861
348622005-01-11  Roger Sayle  <roger@eyesopen.com>
34863
34864	* builtins.c (fold_builtin_fabs): Convert argument to the appropriate
34865	type as args of unprototyped builtins aren't automatically promoted.
34866	(fold_builtin_abs): Likewise.
34867
348682005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
34869
34870	* Makefile.in: Set a `build-warn' variable.
34871
348722005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
34873
34874	PR tree-optimization/17949
34875	* tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
34876	(find_interesting_uses_address): Use it.
34877
348782005-01-11  Aldy Hernandez  <aldyh@redhat.com>
34879
34880	* regrename.c (kill_value): Handle subreg's that won't simplify.
34881
348822005-01-11  Richard Henderson  <rth@redhat.com>
34883
34884	PR target/13366
34885	* config/i386/i386.h (enum ix86_builtins): Move ...
34886	* config/i386/i386.c: ... here.
34887	(IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
34888	IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
34889	IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
34890	IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
34891	IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
34892	IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
34893	IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
34894	IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
34895	IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
34896	IX86_BUILTIN_LOADDDUP): Remove.
34897	(IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
34898	IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
34899	IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
34900	IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
34901	IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
34902	(ix86_init_builtins): Make static.
34903	(ix86_init_mmx_sse_builtins): Update for changed builtins.
34904	(ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
34905	if all the modes match.  Otherwise, fake it.
34906	(get_element_number, ix86_expand_vec_init_builtin,
34907	ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
34908	(ix86_expand_builtin): Make static.  Update for changed builtins.
34909	(ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
34910	operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
34911	(ix86_expand_vector_init_duplicate): New.
34912	(ix86_expand_vector_init_low_nonzero): New.
34913	(ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
34914	Split out from ix86_expand_vector_init; handle integer modes.
34915	(ix86_expand_vector_init): Use them.
34916	(ix86_expand_vector_set, ix86_expand_vector_extract): New.
34917	* config/i386/i386-protos.h: Update.
34918	* config/i386/predicates.md (reg_or_0_operand): New.
34919	* config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
34920	(movv2sf_internal): Likewise.  And a splitter to match them all.
34921	(vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
34922	vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
34923	vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
34924	vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
34925	(mmx_pinsrw): Fix operand ordering.
34926	* config/i386/sse.md (movv4sf splitter): Use direct pattern,
34927	rather than sse_loadss expander.
34928	(movv2df splitter): Similarly.
34929	(sse_loadss, sse_loadlss): Remove.
34930	(vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
34931	(vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
34932	(vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
34933	(sse3_movddup): Rename with '*'.
34934	(sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
34935	(sse2_loadsd): Remove.
34936	(vec_dupv2df_sse3): Rename from sse3_loadddup.
34937	(vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
34938	(sse2_pinsrw): Fix argument ordering.
34939	(sse2_loadld, sse2_loadq): Add sse1 alternatives.
34940	(sse2_stored): Remove 'r' destination.
34941	(vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
34942	vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
34943	vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
34944	vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
34945	vec_extractv16qi, vec_initv16qi): New.
34946
34947	* config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
34948	(_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
34949	_mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
34950	constructor form.
34951	(_mm_load_pd, _mm_store_pd): Use plain dereference.
34952	(_mm_load_si128, _mm_store_si128): Likewise.
34953	(_mm_load1_pd): Use _mm_set1_pd.
34954	(_mm_load_sd): Use _mm_set_sd.
34955	(_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
34956	(_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
34957	(_mm_set_epi64): Use _mm_set_epi64x.
34958	(_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
34959	_mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
34960	_mm_setr_epi8): Use _mm_set_foo form.
34961	(_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
34962	(_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
34963	(_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
34964	(_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
34965	* config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
34966	(_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
34967	(_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
34968	(_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
34969	(_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
34970	* config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
34971	(_mm_movedup_pd): Use _mm_shuffle_pd.
34972	* config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
34973	_mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
34974	(_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
34975	_mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
34976	Use _mm_setzero_ps.
34977	(_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
34978	(_mm_load_ps, _mm_loadr_ps): Use raw dereference.
34979	(_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
34980	(_mm_store_ps): Use raw dereference.
34981	(_mm_store1_ps): Use _mm_storeu_ps.
34982	(_mm_storer_ps): Use _mm_store_ps.
34983	(_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
34984	(_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
34985
349862005-01-11  Stan Shebs  <shebs@apple.com>
34987
34988	* config/rs6000/rs6000.c (machopic_output_stub): Issue
34989	ldu instead of lwzu if 64-bit -mdynamic-no-pic.
34990
349912005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
34992
34993	PR target/18761
34994	* config/rs6000/rs6000.c (rs6000_special_round_type_align):
34995	Skip all DECLs except for FIELD_DECLs.
34996
349972005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
34998
34999	* config/s390/s390.c (override_options): Return error if
35000	-mbackchain, -mpacked-stack and -mhard-float are used together.
35001	(s390_va_start): Remove the backchain && packed-stack special case.
35002	(s390_gimplify_va_arg): Likewise.
35003	* doc/invoke.texi: Remove the ABI incompatibility note.
35004
350052005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
35006
35007	* config/s390/s390.c (struct s390_frame_layout): Remove
35008	save_backchain_p.
35009	(s390_frame_info, s390_emit_prologue): Replace occurrences of
35010	save_backchain_p with TARGET_BACKCHAIN.
35011
350122005-01-11  Alan Modra  <amodra@bigpond.net.au>
35013
35014	PR target/18916
35015	* builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
35016	* expr.h (struct locate_and_pad_arg_data): Add "boundary".
35017	* function.c (locate_and_pad_parm): Set new field.
35018	(assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
35019	Tweak where_pad test to include "none".  Always set mem align for
35020	stack_parm.
35021	(assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
35022	not sufficient for type.
35023	(assign_parm_setup_block): If stack_parm is zero on entry, always
35024	make a new stack local.  Block move old stack parm if necessary
35025	to new aligned stack local.
35026	(assign_parm_setup_stack): Use a block move to handle
35027	potentially misaligned entry_parm.
35028	(assign_parms_unsplit_complex): Specify required alignment when
35029	creating stack local.
35030	* calls.c (compute_argument_addresses): Override alignment of stack
35031	arg calculated from its type with the alignment given by
35032	FUNCTION_ARG_BOUNDARY.
35033	(store_one_arg): Likewise.
35034
350352005-01-11  Jan Beulich  <jbeulich@novell.com>
35036
35037	* config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
35038	Change respective itanium_class attribute to ialu.
35039	(shladdp4_internal): New.
35040	* config/ia64/predicates.md (shladd_log2_operand): New.
35041
350422005-01-11  Richard Henderson  <rth@redhat.com>
35043
35044	* expr.c (store_constructor): Use rtvec_alloc instead of
35045	alloca+gen_rtvec_v, and an incorrect number passed to alloca.
35046
350472005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
35048
35049	* config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
35050
350512005-01-11  Alan Modra  <amodra@bigpond.net.au>
35052
35053	* varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
35054	* config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
35055	(TARGET_RWRELOC): Define.
35056	(ia64_rwreloc_section_type_flags): Delete.
35057	(ia64_section_type_flags): New function.
35058	* config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
35059	(TARGET_RWRELOC): Define.
35060
350612005-01-10  David Mosberger  <davidm@hpl.hp.com>
35062
35063	PR target/18987
35064	* config/ia64/ia64.c (process_set): For alloc insn, only call
35065	process_epilogue is !frame_pointer_needed.
35066
350672005-01-10  Roger Sayle  <roger@eyesopen.com>
35068
35069	PR c++/19355
35070	* c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
35071	unary operator and can't be treated as a binary/comparison operator.
35072
350732005-01-10  Richard Henderson  <rth@redhat.com>
35074
35075	* config/i386/i386.c (ix86_function_value): Use type_natural_mode.
35076	(ix86_return_in_memory): Likewise.
35077	(function_arg_advance): Likewise.  Mirror structure in function_arg
35078	for choosing register to advance.
35079
350802005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
35081
35082	* tree-vectorizer.c, tree.def: Fix comment typos.
35083
350842005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
35085
35086	* config/s390/s390.c (struct processor_costs): 4 new fields:
35087	ddbr, ddr, debr, der.
35088	(s390_rtx_costs): More precise handling of divide instructions.
35089
350902005-01-10  David Edelsohn  <edelsohn@gnu.org>
35091
35092	* config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
35093
350942005-01-10  Jan Beulich  <jbeulich@novell.com>
35095
35096	* config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
35097	names resulting from -ffunction-sections/-fdata-sections and linkonce
35098	ones.
35099	* varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
35100	based on the section name. Rearrange the section name comparison logic
35101	slightly so that each section name is compared against at most once.
35102
351032005-01-10  Ben Elliston  <bje@au.ibm.com>
35104
35105	* doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
35106	targets for which -fPIC reduces limitations on the GOT size.
35107
351082005-01-09  Falk Hueffner  <falk@debian.org>
35109
35110	* fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
35111	X/C1 cmpop C2.
35112
351132005-01-09  David Edelsohn  <edelsohn@gnu.org>
35114
35115	PR target/18720
35116	* collect2.c (main): Set aixrtl_flag for -brtl option.
35117	(resolve_lib_name): Search for .so file extension before .a
35118	if aixrtl_flag set.
35119
351202005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
35121
35122	* tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
35123	(vect_analyze_data_refs_alignment): Add dump prints.
35124
351252005-01-09  Ira Rosen  <irar@il.ibm.com>
35126
35127	* tree-vectorizer.c (vect_analyze_offset_expr): Use
35128	expr_invariant_in_loop_p.
35129	Initialize outputs first thing in the function.
35130	(vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
35131	(vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
35132	(vect_analyze_pointer_ref_access): Check that the initial condition of
35133	the access function is loop invariant.
35134
351352005-01-09  Richard Henderson  <rth@redhat.com>
35136
35137	* config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
35138	(ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
35139	just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
35140	* config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
35141	mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
35142	movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
35143	movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
35144	sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
35145	ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
35146	mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
35147	mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
35148	sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
35149	mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
35150	mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
35151	gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
35152	ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
35153	mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
35154	mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
35155	mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
35156	eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
35157	pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
35158	pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
35159	pswapdv2sf2): Move to mmx.md; rename as necessary with leading
35160	mmx_ prefix.
35161	(mmx_clrdi, pavgusb): Remove.
35162	(ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
35163	with leading sse_ prefix.
35164	* config/i386/sse.md: Receive them.
35165	* config/i386/mmx.md: New file.
35166	(MMXMODE12, MMXMODE24, mmxvecsize): New.
35167	(subrv2sf3): Turn into expander for normal subtraction.
35168	(mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
35169	mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
35170	mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
35171	mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
35172	commutative; use ix86_binary_operator_ok.
35173	(mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
35174	mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
35175	mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
35176	mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
35177	mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
35178	Macroize from existing patterns; use ix86_binary_operator_ok.
35179	(mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
35180	(mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
35181	mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
35182	with vec_select+vec_concat.
35183	(mmx_pshufw, mmx_pshufw_1): Likewise.
35184	(mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
35185	(mmx_uavgv4hi3): Model correctly.
35186	* config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
35187	_mm_xor_si64): Remove casts.
35188
351892005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
35190
35191	PR tree-optimization/19224
35192	* tree-scalar-evolution.c (get_instantiated_value,
35193	set_instantiated_value): New functions.
35194	(instantiate_parameters_1): Cache the results.
35195	(instantiate_parameters, resolve_mixers): Initialize and free
35196	the cache.
35197
351982005-01-08  David Edelsohn  <edelsohn@gnu.org>
35199
35200	* config/i386/i386.md (addhi_4): Correct reference in comment.
35201	(addqi_4): Same.
35202
352032005-01-08  Richard Henderson  <rth@redhat.com>
35204
35205	* config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
35206	(_mm_cvtsi128_si64x): Likewise.
35207	(_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
35208	_mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
35209	the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
35210	* config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
35211	* config/i386/i386-protos.h: Update.
35212	* config/i386/i386.c (print_operand): Add 'H'.
35213	(ix86_fixup_binary_operands): Split out from ...
35214	(ix86_expand_binary_operator): ... here.
35215	(ix86_fixup_binary_operands_no_copy): New.
35216	(ix86_expand_fp_absneg_operator): Handle vector mode results.
35217	(bdesc_2arg): Update names for sse{,2,3}_ prefixes.
35218	(ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
35219	(safe_vector_operand): Use CONST0_RTX.
35220	(ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
35221	(ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
35222	CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
35223	expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
35224	special cases.
35225	* config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
35226	(IX86_BUILTIN_CMPNGESS): New.
35227	* config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
35228	(attr type): Add sselog1.
35229	(attr unit, attr memory): Handle it.
35230	(movti, movti_internal, movti_rex64): Move near other integer moves.
35231	(movtf, movtf_internal): Move near other fp moves.
35232	(SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
35233	vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
35234	movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
35235	movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
35236	sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
35237	sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
35238	sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
35239	mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
35240	rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
35241	sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
35242	sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
35243	sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
35244	vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
35245	smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
35246	cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
35247	cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
35248	vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
35249	vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
35250	sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
35251	sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
35252	cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
35253	cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
35254	cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
35255	cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
35256	ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
35257	subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
35258	smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
35259	sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
35260	sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
35261	sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
35262	gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
35263	ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
35264	ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
35265	sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
35266	sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
35267	sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
35268	sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
35269	sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
35270	sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
35271	sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
35272	mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
35273	addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
35274	movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
35275	non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
35276	same time.
35277	(SSEPUSH, push<SSEPUSH>): Remove.
35278	(MMXPUSH, push<MMXPUSH>): Remove.
35279	(sse_movaps, sse_movaps_1, sse_movups): Remove.
35280	(sse2_movapd, sse2_movdqa, sse2_movq): Remove.
35281	(sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
35282	(sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
35283	(maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
35284	(maskncmpv2df3, vmmaskncmpv2df3): Remove.
35285	(ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
35286	(lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
35287	* config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
35288	(athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
35289	* config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
35290	(ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
35291	(ppro_sse_log_V4SF): Handle sselog1.
35292	* config/i386/predicates.md (const_0_to_1_operand): New.
35293	(const_0_to_255_mul_8_operand): New.
35294	(const_1_to_31_operand): Rename from const_int_1_31_operand.
35295	(const_2_to_3_operand, const_4_to_7_operand): New.
35296	* config/i386/sse.md: New file.
35297	(SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
35298	(sse_movups): Rename from sse_movups_1.
35299	(sse_loadlss): Rename from sse_loadss_1.
35300	(andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
35301	from the name.
35302	(negv4sf2): Use ix86_expand_fp_absneg_operator.
35303	(absv4sf2, negv2df, absv2df): New.
35304	(addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
35305	(subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
35306	iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
35307	smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
35308	umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
35309	(sse3_addsubv4sf3): Model correctly.
35310	sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
35311	sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
35312	(sse_movhlps): Model with vec_select+vec_concat.
35313	(sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
35314	sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
35315	sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
35316	sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
35317	sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
35318	sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
35319	sse2_pshufhw_1): Likewise.
35320	(neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
35321	(add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
35322	sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
35323	ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
35324	sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
35325	ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
35326	(addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
35327	sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
35328	mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
35329	sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
35330	sminv8hi3): Mark commutative
35331	operands.  Use ix86_binary_operator_ok.
35332	(sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
35333	sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
35334	sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
35335	sse2_punpcklqdq): Allow operand2 in memory.
35336	(sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
35337	sse2_movsd): Add memory alternatives.
35338	(sse_storelps): Turn expander into an insn; split after reload.
35339	(sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
35340	(sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
35341
353422005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
35343
35344	* configure.ac (DWARF-2 debug_line): Use objdump.
35345	* configure: Regenerate.
35346
353472005-01-08  Jeff Law  <law@redhat.com>
35348	    Diego Novillo  <dnovillo@redhat.com>
35349
35350	PR tree-optimization/18241
35351	* tree-nrv.c (tree_nrv): Ignore volatile return values.
35352	* tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
35353	statements with volatile operands.
35354	* tree-ssa-operands.c (add_stmt_operand): Do add volatile
35355	operands after marking a statement with has_volatile_ops.
35356
353572005-01-08  Roger Sayle  <roger@eyesopen.com>
35358
35359	* tree.c (int_fits_type_p): Always honor integer constant
35360	TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
35361
353622005-01-08  Roger Sayle  <roger@eyesopen.com>
35363
35364	* ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
35365	the latent bug in rtl_delete_block has been resolved.
35366
353672005-01-08  Richard Sandiford  <rsandifo@redhat.com>
35368
35369	* config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
35370	(MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
35371
353722005-01-08  Richard Sandiford  <rsandifo@redhat.com>
35373
35374	* config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
35375	library as @multilib_dir@/$(SHLIB_SONAME).
35376
353772005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
35378
35379	* configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
35380	* configure: Regenerate.
35381
353822005-01-07  Jakub Jelinek  <jakub@redhat.com>
35383
35384	* c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
35385	TYPE_MODE.
35386
353872005-01-07  David Edelsohn  <edelsohn@gnu.org>
35388
35389	PR target/13674
35390	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
35391	Convert non-word aligned offset address using ld/std into
35392	indirect address.
35393
353942005-01-07  Richard Henderson  <rth@redhat.com>
35395
35396	* config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
35397
353982005-01-07  Richard SAndiford  <rsandifo@redhat.com>
35399
35400	* tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
35401
354022005-01-07  Jakub Jelinek  <jakub@redhat.com>
35403
35404	PR tree-optimization/19283
35405	* fold-const.c (fold_widened_comparison): Return NULL if shorter_type
35406	is not shorter than the original type.
35407
35408	PR rtl-optimization/19012
35409	* config/i386/i386.md (addqi_1_slp): Set memory attribute.
35410
35411	PR rtl-optimization/18861
35412	* cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
35413	(FULL_STATE): Define.
35414	(mark_tablejump_edge): New function.
35415	(purge_dead_tablejump_edges): New function.
35416	(find_bb_boundaries): Use it.
35417
35418	PR tree-optimization/18828
35419	* builtins.c (expand_builtin_next_arg): Remove argument and all
35420	the argument checking.
35421	(expand_builtin): Adjust caller.
35422	(expand_builtin_va_start): Likewise.  Remove error for too many
35423	arguments.
35424	(fold_builtin_next_arg): Issue error for too many arguments.
35425	After checking arguments, replace them with magic arguments that
35426	prevent further checking of the args.
35427
354282005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
35429
35430	* pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
35431
354322005-01-06  Roger Sayle  <roger@eyesopen.com>
35433
35434	PR target/6077
35435	* gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
35436	and %{.S:...} (and their negative variants) to test whether the
35437	input file is assembler or pre-processed-assembler independent of
35438	the actual filename extension.
35439
354402005-01-06  Roger Sayle  <roger@eyesopen.com>
35441
35442	* simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
35443	of sign or zero extended values.
35444
354452005-01-06  Geoffrey Keating  <geoffk@apple.com>
35446
35447	* c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
35448	for IBM long double format correctly.
35449
354502005-01-06  Daniel Berlin <dberlin@dberlin.org>
35451
35452	Fix PR tree-optimization/18792
35453
35454	* tree-data-ref.c (build_classic_dist_vector): Change first_loop
35455	to first_loop_depth, and use loop depth instead of loop number.
35456	(build_classic_dir_vector): Ditto.
35457	(compute_data_dependences_for_loop): Use depth, not loop number.
35458	* tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
35459	number. Pass in loops, instead of loop numbers.
35460	(gather_interchange_stats): Ditto.
35461	(linear_transform_loops): Ditto.
35462
354632005-01-06  Richard Sandiford  <rsandifo@redhat.com>
35464
35465	PR rtl-opt/13299
35466	* loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
35467	biv_fits_mode_p, extension_within_bounds_p): New functions.
35468	(check_ext_dependent_givs): Use them.
35469
354702005-01-06  Roger Sayle  <roger@eyesopen.com>
35471
35472	* cfgrtl.c (rtl_delete_block): A basic block may be followed by
35473	more than one barrier, in which case we should delete them all.
35474
354752005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
35476
35477	* gcc.c (process_command): Change year in 'gcc --version' to 2005.
35478
354792005-01-05  Daniel Berlin  <dberlin@dberlin.org>
35480
35481	Fix PR middle-end/19286
35482	Fix PR debug/19267
35483	* dwarf2out.c (gen_subprogram_die): If we've already tried to
35484	output this subprogram, simply ignore this attempt to do it again.
35485	(add_abstract_origin_attribute): Don't abort trying to add the abstract
35486	origin attribute if it's not possible.
35487	(gen_block_die): Don't ignore subblocks of "unused" blocks.
35488	(decls_for_scope): Ditto.
35489	* gimple-low.c (mark_blocks_with_used_subblocks): Remove.
35490	(mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
35491
354922005-01-05  Richard Henderson  <rth@redhat.com>
35493
35494	PR target/11327
35495	* config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
35496	(bdesc_2arg): Use it.
35497	(ix86_expand_binop_builtin): Force operands into registers
35498	when optimizing.
35499	(ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
35500	ix86_expand_sse_compare, ix86_expand_sse_comi,
35501	ix86_expand_builtin): Likewise.
35502
355032005-01-05  Richard Henderson  <rth@redhat.com>
35504
35505	* config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
35506	and VEC_SELECT.
35507	* config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
35508	(mulv4hi3): Set itanium_class mmmul.
35509	(fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
35510	(fpack): Rename from fpack_sfsf.
35511
355122005-01-05  Richard Henderson  <rth@redhat.com>
35513
35514	PR rtl-opt/10692
35515	* reload1.c (do_input_reload): Restrict the optimization deleteing
35516	a previous output reload to RELOAD_FOR_INPUT.
35517
355182005-01-05  Steven Bosscher  <stevenb@suse.de>
35519
35520	* combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
35521	comment that we fall through after case.
35522	(mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
35523	(distribute_links): Likewise.
35524	* cse.c (cse_insn): Likewise.
35525	* cselib.c (cselib_invalidate_mem): Likewise.
35526	* df.c: Update comments at the top of the file.
35527	(read_modify_subreg_p): Update comments here too.
35528	(df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
35529	* flow.c (mark_set_1): Likewise.
35530	(mark_used_regs): Likewise.
35531	* gcse.c (mems_conflict_for_gcse_p): Likewise.
35532	(canon_list_insert): Likewise.
35533	(mark_set): Likewise.
35534	(try_replace_reg): Likewise.
35535	(store_killed_in_insn): Likewise.
35536	* loop.c (count_one_set): Likewise.
35537	(basic_induction_var): Likewise.
35538	* postreload-gcse.c (find_mem_conflicts): Likewise.
35539	* postreload.c (reload_combine_note_store): Likewise.
35540	(move2add_note_store): Likewise.
35541	* reload.c (find_equiv_reg): Likewise.
35542	(mark_referenced_resources): Likewise.
35543	* rtlanal.c (set_noop_p): Likewise.
35544	(note_stores): Likewise.
35545	(note_uses): Likewise.
35546	* sched-deps.c (sched_analyze_1): Likewise.
35547	* sched-rgn.c (check_live_1): Likewise.
35548	(update_live_1): Likewise.
35549	* config/i860/i860.c: Likewise.
35550
35551	* rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
35552	an lvalue.
35553	(ZERO_EXTRACT): Mention that this one can be an lvalue.
35554
35555	* doc/rtl.texi: Update documentation for bit-fields and SET.
35556
355572005-01-05  Roger Sayle  <roger@eyesopen.com>
35558
35559	* ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
35560
355612005-01-05  Jan Hubicka  <jh@suse.cz>
35562	    Richard Henderson  <rth@redhat.com>
35563
35564	PR target/18910
35565	* config/i386/i386.c (ix86_expand_move): Handle tls symbols
35566	with an offset.
35567
355682005-01-05  Richard Henderson  <rth@redhat.com>
35569
35570	PR target/12902
35571	* config/i386/i386.md (sse_movhps, sse_movlps): Remove.
35572	(sse_shufps): Change operand 3 to const_int_operand.
35573	(sse2_storelps): Fix typo in template.
35574	(sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
35575	* config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
35576	(ix86_expand_builtin): Likewise.
35577
355782005-01-05  Julian Brown  <julian@codesourcery.com>
35579
35580	* config/arm/arm.c (arm_return_in_memory): Treat complex types
35581	as aggregates for AAPCS ABIs.
35582
355832005-01-05  Stan Shebs  <shebs@apple.com>
35584
35585	* unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
35586	Mach-O getters if ppc64.
35587	* config/darwin.c (darwin_asm_output_dwarf_delta): Obey
35588	size argument.
35589	* config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
35590	signed four-byte field for global code case.
35591	(STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
35592
355932005-01-05  Roger Sayle  <roger@eyesopen.com>
35594
35595	PR middle-end/19100
35596	* c-common.c: Include real.h.
35597	(c_common_truthvalue_conversion): Avoid destructively modifying expr.
35598	Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
35599	Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
35600	* Makefile.in (c-common.o): Update dependencies.
35601
356022005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
35603
35604	* c-parse.in (asm_string): Add trailing semicolon.
35605
356062005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
35607
35608	* c-parse.in (asm_string): New.  Don't allow wide strings in
35609	'asm'.
35610	(simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
35611	asm_string instead of STRING.
35612
356132005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
35614
35615	* c-typeck.c (constructor_no_implicit): Remove.
35616	(set_designator, process_init_element): Don't check
35617	constructor_no_implicit.
35618
356192005-01-05  J"orn Rennecke <joern.rennecke@st.com>
35620	    Kaz Kojima  <kkojima@gcc.gnu.org>
35621
35622	PR target/16482
35623	* lcm.c (create_pre_exit): New.
35624	(optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
35625	ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
35626
356272004-01-05  Richard Earnshaw  <rearnsha@arm.com>
35628
35629	* arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
35630	-msoft-float in target_float_switch.
35631	* arm.c (arm_override_options): Fix processing of target_float_switch.
35632
356332004-01-05  Richard Earnshaw  <rearnsha@arm.com>
35634
35635	* arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
35636	preferencing.
35637
356382004-01-05  Uros Bizjak  <uros@kss-loka.si>
35639
35640	* doc/invoke.texi (Intel 386 and AMD x86-64 Options):
35641	Replace i387 with 'i386 compiler' in -mfpmath=sse option.
35642
356432005-01-04  Roger Sayle  <roger@eyesopen.com>
35644
35645	* ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
35646	if deleting the then-block allows the test-block to fallthru to the
35647	else-block.
35648
356492005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
35650
35651	PR c/19152
35652	* c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
35653	after the full declaration if the are in two different TUs.
35654
356552005-01-04  Richard Henderson  <rth@redhat.com>
35656
35657	PR tree-opt/19158
35658	* tree-sra.c (generate_one_element_init): Just
35659	call gimplify_and_add.
35660	(generate_element_init): Record the
35661	new referenced variables and mark them for renaming
35662	and split out to ...
35663	(generate_element_init_1): This.
35664	(scalarize_init): Don't call push_gimplify_context/
35665	pop_gimplify_context.
35666
356672005-01-04  Geoffrey Keating  <geoffk@apple.com>
35668
35669	* toplev.c (get_src_pwd): Handle failure of getpwd().
35670
356712005-01-04  Roger Sayle  <roger@eyesopen.com>
35672
35673	* fold-const.c (fold_single_bit_test): Delete unreachable handling
35674	of TRUTH_NOT_EXPR.
35675	(fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
35676	all the cases handled by it are inverted by invert_truthvalue.
35677
356782005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
35679
35680	* config/sparc/sparc.md (save_register_windowdi): Add missing mode.
35681	(save_register_windowsi): Likewise.
35682
356832005-01-04  Richard Henderson  <rth@redhat.com>
35684
35685	* tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
35686
356872005-01-04  Uros Bizjak  <uros@kss-loka.si>
35688
35689	PR middle-end/17767
35690	* cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
35691	any simplifications of vector mode comparison operators.
35692	* simplify-rtx.c (simplify_relational_operation): Fix variable name.
35693
356942005-01-04  Paolo Bonzini  <bonzini@gnu.org>
35695	    Devang Patel  <dpatel@apple.com>
35696
35697	PR tree-optimization/18308
35698	* tree-if-conv.c (add_to_dst_predicate_list): Gimplify
35699	the operands before creating a new expression.
35700	* dojump.c (do_jump): Make drop_through_label available
35701	for all cases.  Add expansion of COND_EXPR.
35702
357032005-01-04  Ira Rosen  <irar@il.ibm.com>
35704
35705	* tree-vectorizer.c (vect_analyze_offset_expr): Test for
35706	INTEGER_CST instead of TREE_CONSTANT.
35707	(vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
35708	instead of TREE_CONSTANT.
35709	(vect_analyze_pointer_ref_access): Test for INTEGER_CST
35710	instead of TREE_CONSTANT.
35711
357122005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
35713
35714	* tree-eh.c (replace_goto_queue): Return early if the queue is empty.
35715
357162005-01-04  Uros Bizjak  <uros@kss-loka.si>
35717
35718	PR target/19240
35719	* config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
35720	(*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
35721
357222005-01-03  Richard Henderson  <rth@redhat.com>
35723
35724	* fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
35725	(fold_convert_const_int_from_int, fold_convert_const_int_from_real,
35726	fold_convert_const_real_from_real): Split out from ...
35727	(fold_convert_const): ... here.
35728
357292005-01-03  Richard Henderson  <rth@redhat.com>
35730
35731	PR target/19235
35732	* config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
35733	(mov<MMXMODEI>_internal): Likewise.
35734	(movdf_nointeger): Prefer Y while not preferring, but allowing, x.
35735	Add V2SF case; use it for SSE1; don't use TI.
35736	(movdf_integer): Likewise.
35737	(mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
35738
357392005-01-03  Ira Rosen  <irar@il.ibm.com>
35740
35741	* tree-vectorizer.c (vect_strip_conversions): New function.
35742	(vect_analyze_offset_expr): Call vect_strip_conversions. Add
35743	check for binary class.
35744
357452005-01-03  Daniel Berlin  <dberlin@dberlin.org>
35746
35747	Fix PR debug/17924
35748	Fix PR debug/19191
35749	* dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
35750	is a decl.
35751	* gimple-low.c (mark_blocks_with_used_vars): New function.
35752	(mark_blocks_with_used_subblocks): Ditto.
35753	(mark_used_blocks): Ditto.
35754	(pass_mark_used_blocks): New pass.
35755	* tree-inline.c: Include debug.h.
35756	(expand_call_inline): Call outlining_inline_function here.
35757	* tree-optimize.c (init_tree_optimization_passes): Add
35758	pass_mark_used_blocks.
35759	* tree-pass.h (pass_mark_used_blocks): New.
35760	* Makefile.in (tree-inline.o): Add debug.h dependency.
35761
357622005-01-03  Geoffrey Keating  <geoffk@apple.com>
35763
35764	* config/darwin.c (darwin_handle_weak_import_attribute): Permit
35765	VAR_DECLs to have weak_import attribute.
35766
35767	* config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
35768	'struct ucontext'.
35769
357702004-01-03  Steven Bosscher  <stevenb@suse.de>
35771
35772	* passes.c (rest_of_compilation): Don't run regmove if only
35773	flag_expensive_optimizations, require flag_regmove instead.
35774
357752005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
35776
35777	* config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
35778	register "sparc".
35779	* config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
35780	* config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
35781	* config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
35782	* config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
35783
357842005-01-03  Richard Henderson  <rth@redhat.com>
35785
35786	* config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
35787	(ia64_const_ok_for_letter_p): New.
35788	(ia64_const_double_ok_for_letter_p): New.
35789	(ia64_extra_constraint): New.
35790	(ia64_expand_vecint_compare): New.
35791	(ia64_expand_vcondu_v2si): New.
35792	(ia64_expand_vecint_cmov): New.
35793	(ia64_expand_vecint_minmax): New.
35794	(ia64_print_operand): Add 'v'.
35795	(ia64_preferred_reload_class): New.
35796	(ia64_vector_mode_supported_p): New.
35797	* config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
35798	(PREFERRED_RELOAD_CLASS): Move to function.
35799	(CONST_OK_FOR_LETTER_P): Move to function.
35800	(CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
35801	(CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
35802	(CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
35803	(EXTRA_CONSTRAINT): Move to function.
35804	* config/ia64/ia64.md: Include vect.md.
35805	(itanium_class): Add mmalua.
35806	(type): Handle it.
35807	* config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
35808	(1b_mmalua): New.
35809	* config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
35810	* config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
35811	CONST0_RTX.
35812	(const_int_2bit_operand): New.
35813	(fr_reg_or_0_operand): New.
35814	* config/ia64/ia64-modes.def: Add vector modes.
35815	* config/ia64/ia64-protos.h: Update.
35816	* config/ia64/vect.md: New file.
35817
358182005-01-03  Richard Henderson  <rth@redhat.com>
35819
35820	* simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
35821
358222005-01-03  Uros Bizjak  <uros@kss-loka.si>
35823
35824	PR target/19236
35825	* config/i386/i386.c (log1psf2): Change mode of operands[0,1]
35826	to SFmode.
35827	(log1pdf2): Change mode of operands[0,1] to DFmode.
35828
358292005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
35830
35831	* config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
35832	* config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
35833	* config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
35834	* config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
35835	SPARC_RELAXED_ORDERING.
35836
358372005-01-03  Richard Henderson  <rth@redhat.com>
35838	    Uros Bizjak  <uros@kss-loka.si>
35839
35840	PR target/14631
35841	* config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
35842	IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
35843	* config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
35844	handling.
35845	(*mmx_pinsrw, *sse2_pinsrw): New patterns.
35846	* config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
35847	const_pow2_1_to_128_operand): New predicates.
35848
358492005-01-02  Greg McGary  <greg@mcgary.org>
35850
35851	* tree-mudflap.c (mf_varname_tree): decl_printable_name handles
35852	anonymous decls.
35853	(mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
35854	object.  [ptr_type]: Remove unused variable.
35855	Remember nearest addressable array-element or record-component
35856	when checking bitfield components.  Tolerate empty BIND_EXPR.
35857
358582005-01-01  Richard Henderson  <rth@redhat.com>
35859
35860	* tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
35861	that don't narrow the value.  Fail for other conversions.
35862
358632005-01-01  Richard Henderson  <rth@redhat.com>
35864
35865	PR c/19031
35866	* c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
35867	* c-lang.c (finish_file): Don't do it here.
35868	* objc/objc-act.c (objc_finish_file): Likewise.
35869
35870	* cgraph.c (decl_assembler_name_equal): New.
35871	(cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
35872	(cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
35873	* cgraph.h (struct cgraph_varpool_node): Add next.
35874	(cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
35875	* varasm.c (assemble_alias): Mark the target as needed.
35876
358772005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
35878
35879	PR middle-end/19221
35880	* function.c (get_arg_pointer_save_area): Use entry_of_function
35881	instead of get_insns.
35882
358832005-01-01  Roger Sayle  <roger@eyesopen.com>
35884	    Andrew Pinski  <pinskia@physics.uc.edu>
35885	    James E. Wilson  <wilson@specifixinc.com>
35886
35887	PR rtl-optimization/12092
35888	* loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
35889	is zero.
35890
358912005-01-01  Roger Sayle  <roger@eyesopen.com>
35892	    Olivier Hainque  <hainque@act-europe.fr>
35893
35894	* tree.c (int_fits_type_p): A narrower type always fits in a
35895	wider one, except for negative values into unsigned types.
35896
358972005-01-01  Roger Sayle  <roger@eyesopen.com>
35898
35899	* tree.c (int_fits_type_p): Compare the result of force_fit_type
35900	with the original constant rather than require TREE_OVERFLOW.
35901
359022005-01-01  Steven Bosscher  <stevenb@suse.de>
35903
35904	PR middle-end/17544
35905	* c-decl.c (finish_function): If compiling C99, annotate the
35906	compiler generated return with the current file name and line 0.
35907	* tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
35908	the source line is greater than 0.
35909	(remove_bb): Likewise.
35910