rs6000-protos.h revision 110611 
1/* Definitions of target machine for GNU compiler, for IBM RS/6000.
2   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
3   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING.  If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22/* Declare functions in rs6000.c */
23
24#ifdef RTX_CODE
25
26#ifdef TREE_CODE
27extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx, int));
28extern void rs6000_va_start PARAMS ((int, tree, rtx));
29#endif /* TREE_CODE */
30
31extern struct rtx_def *rs6000_got_register PARAMS ((rtx));
32extern struct rtx_def *find_addr_reg PARAMS ((rtx));
33extern int any_operand PARAMS ((rtx, enum machine_mode));
34extern int short_cint_operand PARAMS ((rtx, enum machine_mode));
35extern int u_short_cint_operand PARAMS ((rtx, enum machine_mode));
36extern int non_short_cint_operand PARAMS ((rtx, enum machine_mode));
37extern int exact_log2_cint_operand PARAMS ((rtx, enum machine_mode));
38extern int gpc_reg_operand PARAMS ((rtx, enum machine_mode));
39extern int cc_reg_operand PARAMS ((rtx, enum machine_mode));
40extern int cc_reg_not_cr0_operand PARAMS ((rtx, enum machine_mode));
41extern int reg_or_short_operand PARAMS ((rtx, enum machine_mode));
42extern int reg_or_neg_short_operand PARAMS ((rtx, enum machine_mode));
43extern int reg_or_aligned_short_operand PARAMS ((rtx, enum machine_mode));
44extern int reg_or_u_short_operand PARAMS ((rtx, enum machine_mode));
45extern int reg_or_cint_operand PARAMS ((rtx, enum machine_mode));
46extern int reg_or_arith_cint_operand PARAMS ((rtx, enum machine_mode));
47extern int reg_or_add_cint64_operand PARAMS ((rtx, enum machine_mode));
48extern int reg_or_sub_cint64_operand PARAMS ((rtx, enum machine_mode));
49extern int reg_or_logical_cint_operand PARAMS ((rtx, enum machine_mode));
50extern int got_operand PARAMS ((rtx, enum machine_mode));
51extern int got_no_const_operand PARAMS ((rtx, enum machine_mode));
52extern int num_insns_constant PARAMS ((rtx, enum machine_mode));
53extern int easy_fp_constant PARAMS ((rtx, enum machine_mode));
54extern int zero_fp_constant PARAMS ((rtx, enum machine_mode));
55extern int zero_constant PARAMS ((rtx, enum machine_mode));
56extern int volatile_mem_operand PARAMS ((rtx, enum machine_mode));
57extern int offsettable_mem_operand PARAMS ((rtx, enum machine_mode));
58extern int mem_or_easy_const_operand PARAMS ((rtx, enum machine_mode));
59extern int add_operand PARAMS ((rtx, enum machine_mode));
60extern int non_add_cint_operand PARAMS ((rtx, enum machine_mode));
61extern int non_logical_cint_operand PARAMS ((rtx, enum machine_mode));
62extern int logical_operand PARAMS ((rtx, enum machine_mode));
63extern int mask_operand PARAMS ((rtx, enum machine_mode));
64extern int mask64_operand PARAMS ((rtx, enum machine_mode));
65extern int and64_operand PARAMS ((rtx, enum machine_mode));
66extern int and_operand PARAMS ((rtx, enum machine_mode));
67extern int count_register_operand PARAMS ((rtx, enum machine_mode));
68extern int xer_operand PARAMS ((rtx, enum machine_mode));
69extern int reg_or_mem_operand PARAMS ((rtx, enum machine_mode));
70extern int lwa_operand PARAMS ((rtx, enum machine_mode));
71extern int call_operand PARAMS ((rtx, enum machine_mode));
72extern int current_file_function_operand PARAMS ((rtx, enum machine_mode));
73extern int input_operand PARAMS ((rtx, enum machine_mode));
74extern int small_data_operand PARAMS ((rtx, enum machine_mode));
75extern int s8bit_cint_operand PARAMS ((rtx, enum machine_mode));
76extern int constant_pool_expr_p PARAMS ((rtx));
77extern int toc_relative_expr_p PARAMS ((rtx));
78extern int expand_block_move PARAMS ((rtx[]));
79extern int load_multiple_operation PARAMS ((rtx, enum machine_mode));
80extern const char * rs6000_output_load_multiple PARAMS ((rtx[]));
81extern int store_multiple_operation PARAMS ((rtx, enum machine_mode));
82extern int branch_comparison_operator PARAMS ((rtx, enum machine_mode));
83extern int branch_positive_comparison_operator
84  PARAMS ((rtx, enum machine_mode));
85extern int scc_comparison_operator PARAMS ((rtx, enum machine_mode));
86extern int trap_comparison_operator PARAMS ((rtx, enum machine_mode));
87extern int boolean_operator PARAMS ((rtx, enum machine_mode));
88extern int boolean_or_operator PARAMS ((rtx, enum machine_mode));
89extern int min_max_operator PARAMS ((rtx, enum machine_mode));
90extern int includes_lshift_p PARAMS ((rtx, rtx));
91extern int includes_rshift_p PARAMS ((rtx, rtx));
92extern int includes_rldic_lshift_p PARAMS ((rtx, rtx));
93extern int includes_rldicr_lshift_p PARAMS ((rtx, rtx));
94extern int registers_ok_for_quad_peep PARAMS ((rtx, rtx));
95extern int addrs_ok_for_quad_peep PARAMS ((rtx, rtx));
96extern enum reg_class secondary_reload_class PARAMS ((enum reg_class,
97						      enum machine_mode, rtx));
98extern int ccr_bit PARAMS ((rtx, int));
99extern void print_operand PARAMS ((FILE *, rtx, int));
100extern void print_operand_address PARAMS ((FILE *, rtx));
101extern enum rtx_code rs6000_reverse_condition PARAMS ((enum machine_mode,
102						       enum rtx_code));
103extern void rs6000_emit_sCOND PARAMS ((enum rtx_code, rtx));
104extern void rs6000_emit_cbranch PARAMS ((enum rtx_code, rtx));
105extern char * output_cbranch PARAMS ((rtx, const char *, int, rtx));
106extern rtx rs6000_emit_set_const PARAMS ((rtx, enum machine_mode, rtx, int));
107extern int rs6000_emit_cmove PARAMS ((rtx, rtx, rtx, rtx));
108extern void rs6000_emit_minmax PARAMS ((rtx, enum rtx_code, rtx, rtx));
109extern void output_toc PARAMS ((FILE *, rtx, int, enum machine_mode));
110extern void rs6000_initialize_trampoline PARAMS ((rtx, rtx, rtx));
111extern struct rtx_def *rs6000_longcall_ref PARAMS ((rtx));
112extern void rs6000_fatal_bad_address PARAMS ((rtx));
113extern int stmw_operation PARAMS ((rtx, enum machine_mode));
114extern int mtcrf_operation PARAMS ((rtx, enum machine_mode));
115extern int lmw_operation PARAMS ((rtx, enum machine_mode));
116extern struct rtx_def *create_TOC_reference PARAMS ((rtx));
117extern void rs6000_emit_eh_toc_restore PARAMS ((rtx));
118extern void rs6000_emit_move PARAMS ((rtx, rtx, enum machine_mode));
119extern rtx rs6000_legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
120extern rtx rs6000_legitimize_reload_address PARAMS ((rtx, enum machine_mode,
121			    int, int, int, int *));
122extern int rs6000_legitimate_address PARAMS ((enum machine_mode, rtx, int));
123extern void rs6000_select_rtx_section PARAMS ((enum machine_mode, rtx));
124
125extern rtx rs6000_return_addr PARAMS ((int, rtx));
126extern void rs6000_output_symbol_ref PARAMS ((FILE*, rtx));
127
128extern rtx rs6000_machopic_legitimize_pic_address PARAMS ((rtx orig, enum machine_mode mode, rtx reg));
129
130#endif /* RTX_CODE */
131
132#ifdef TREE_CODE
133extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode,
134					  tree, int));
135extern int function_arg_boundary PARAMS ((enum machine_mode, tree));
136extern struct rtx_def *function_arg PARAMS ((CUMULATIVE_ARGS *,
137					     enum machine_mode, tree, int));
138extern int function_arg_partial_nregs PARAMS ((CUMULATIVE_ARGS *,
139					       enum machine_mode, tree, int));
140extern int function_arg_pass_by_reference PARAMS ((CUMULATIVE_ARGS *,
141						   enum machine_mode,
142						   tree, int));
143extern void setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
144					    enum machine_mode, tree,
145					    int *, int));
146extern struct rtx_def *rs6000_va_arg PARAMS ((tree, tree));
147extern void output_mi_thunk PARAMS ((FILE *, tree, int, tree));
148extern void rs6000_encode_section_info PARAMS ((tree));
149extern void rs6000_select_section PARAMS ((tree, int));
150extern void rs6000_unique_section PARAMS ((tree, int));
151#ifdef ARGS_SIZE_RTX
152/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
153extern enum direction function_arg_padding PARAMS ((enum machine_mode, tree));
154#endif /* ARGS_SIZE_RTX */
155
156#endif /* TREE_CODE */
157
158extern void optimization_options PARAMS ((int, int));
159extern void rs6000_override_options PARAMS ((const char *));
160extern void rs6000_file_start PARAMS ((FILE *, const char *));
161extern struct rtx_def *rs6000_float_const PARAMS ((const char *,
162						   enum machine_mode));
163extern int direct_return PARAMS ((void));
164extern union tree_node *rs6000_build_va_list PARAMS ((void));
165extern int first_reg_to_save PARAMS ((void));
166extern int first_fp_reg_to_save PARAMS ((void));
167extern rs6000_stack_t *rs6000_stack_info PARAMS ((void));
168extern void output_ascii PARAMS ((FILE *, const char *, int));
169extern void rs6000_gen_section_name PARAMS ((char **, const char *,
170					     const char *));
171extern void output_function_profiler PARAMS ((FILE *, int));
172extern void output_profile_hook  PARAMS ((int));
173extern int rs6000_trampoline_size PARAMS ((void));
174extern void toc_section PARAMS ((void));
175extern void sdata_section PARAMS ((void));
176extern void sdata2_section PARAMS ((void));
177extern void sbss_section PARAMS ((void));
178extern void private_data_section PARAMS ((void));
179extern void read_only_data_section PARAMS ((void));
180extern void read_only_private_data_section PARAMS ((void));
181extern int get_TOC_alias_set PARAMS ((void));
182extern int uses_TOC PARAMS ((void));
183extern void rs6000_emit_prologue PARAMS ((void));
184extern void rs6000_emit_load_toc_table PARAMS ((int));
185extern void rs6000_aix_emit_builtin_unwind_init PARAMS ((void));
186extern void rs6000_emit_epilogue PARAMS ((int));
187extern void debug_stack_info PARAMS ((rs6000_stack_t *));
188
189extern void machopic_output_stub PARAMS ((FILE *, const char *, const char *));
190