rs6000-protos.h revision 1.1.1.4 
1/* Definitions of target machine for GNU compiler, for IBM RS/6000.
2   Copyright (C) 2000-2013 Free Software Foundation, Inc.
3   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
4
5   This file is part of GCC.
6
7   GCC is free software; you can redistribute it and/or modify it
8   under the terms of the GNU General Public License as published
9   by the Free Software Foundation; either version 3, or (at your
10   option) any later version.
11
12   GCC is distributed in the hope that it will be useful, but WITHOUT
13   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15   License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with GCC; see the file COPYING3.  If not see
19   <http://www.gnu.org/licenses/>.  */
20
21#ifndef GCC_RS6000_PROTOS_H
22#define GCC_RS6000_PROTOS_H
23
24/* Declare functions in rs6000.c */
25
26#ifdef RTX_CODE
27
28#ifdef TREE_CODE
29extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
30				  tree, enum machine_mode);
31#endif /* TREE_CODE */
32
33extern bool easy_altivec_constant (rtx, enum machine_mode);
34extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
35extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);
36extern int num_insns_constant (rtx, enum machine_mode);
37extern int num_insns_constant_wide (HOST_WIDE_INT);
38extern int small_data_operand (rtx, enum machine_mode);
39extern bool mem_operand_gpr (rtx, enum machine_mode);
40extern bool toc_relative_expr_p (const_rtx, bool);
41extern bool invalid_e500_subreg (rtx, enum machine_mode);
42extern void validate_condition_mode (enum rtx_code, enum machine_mode);
43extern bool legitimate_constant_pool_address_p (const_rtx, enum machine_mode,
44						bool);
45extern bool legitimate_indirect_address_p (rtx, int);
46extern bool legitimate_indexed_address_p (rtx, int);
47extern bool avoiding_indexed_address_p (enum machine_mode);
48
49extern rtx rs6000_got_register (rtx);
50extern rtx find_addr_reg (rtx);
51extern rtx gen_easy_altivec_constant (rtx);
52extern const char *output_vec_const_move (rtx *);
53extern const char *rs6000_output_move_128bit (rtx *);
54extern bool rs6000_move_128bit_ok_p (rtx []);
55extern bool rs6000_split_128bit_ok_p (rtx []);
56extern void rs6000_expand_vector_init (rtx, rtx);
57extern void paired_expand_vector_init (rtx, rtx);
58extern void rs6000_expand_vector_set (rtx, rtx, int);
59extern void rs6000_expand_vector_extract (rtx, rtx, int);
60extern bool altivec_expand_vec_perm_const (rtx op[4]);
61extern void altivec_expand_vec_perm_le (rtx op[4]);
62extern bool rs6000_expand_vec_perm_const (rtx op[4]);
63extern void altivec_expand_lvx_be (rtx, rtx, enum machine_mode, unsigned);
64extern void altivec_expand_stvx_be (rtx, rtx, enum machine_mode, unsigned);
65extern void altivec_expand_stvex_be (rtx, rtx, enum machine_mode, unsigned);
66extern void rs6000_expand_extract_even (rtx, rtx, rtx);
67extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
68extern void build_mask64_2_operands (rtx, rtx *);
69extern int expand_block_clear (rtx[]);
70extern int expand_block_move (rtx[]);
71extern const char * rs6000_output_load_multiple (rtx[]);
72extern int includes_lshift_p (rtx, rtx);
73extern int includes_rshift_p (rtx, rtx);
74extern int includes_rldic_lshift_p (rtx, rtx);
75extern int includes_rldicr_lshift_p (rtx, rtx);
76extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
77extern int registers_ok_for_quad_peep (rtx, rtx);
78extern int mems_ok_for_quad_peep (rtx, rtx);
79extern bool gpr_or_gpr_p (rtx, rtx);
80extern bool direct_move_p (rtx, rtx);
81extern bool quad_load_store_p (rtx, rtx);
82extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
83extern void expand_fusion_gpr_load (rtx *);
84extern const char *emit_fusion_gpr_load (rtx, rtx);
85extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
86							    enum reg_class);
87extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
88							    enum machine_mode,
89							    rtx);
90extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
91						   enum reg_class,
92						   enum machine_mode);
93extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,
94						    enum machine_mode,
95						    enum reg_class);
96extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
97extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
98extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
99                                         rtx, rtx, rtx);
100extern void paired_expand_vector_move (rtx operands[]);
101
102
103extern int ccr_bit (rtx, int);
104extern int extract_MB (rtx);
105extern int extract_ME (rtx);
106extern void rs6000_output_function_entry (FILE *, const char *);
107extern void print_operand (FILE *, rtx, int);
108extern void print_operand_address (FILE *, rtx);
109extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
110					       enum rtx_code);
111extern void rs6000_emit_sISEL (enum machine_mode, rtx[]);
112extern void rs6000_emit_sCOND (enum machine_mode, rtx[]);
113extern void rs6000_emit_cbranch (enum machine_mode, rtx[]);
114extern char * output_cbranch (rtx, const char *, int, rtx);
115extern char * output_e500_flip_gt_bit (rtx, rtx);
116extern const char * output_probe_stack_range (rtx, rtx);
117extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);
118extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
119extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
120extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
121extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
122extern void rs6000_expand_atomic_exchange (rtx op[]);
123extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
124extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
125extern void rs6000_emit_swrsqrt (rtx, rtx);
126extern void output_toc (FILE *, rtx, int, enum machine_mode);
127extern rtx rs6000_longcall_ref (rtx);
128extern void rs6000_fatal_bad_address (rtx);
129extern rtx create_TOC_reference (rtx, rtx);
130extern void rs6000_split_multireg_move (rtx, rtx);
131extern void rs6000_emit_le_vsx_move (rtx, rtx, enum machine_mode);
132extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
133extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);
134extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode,
135						    int, int, int, int *);
136extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx,
137						bool, bool);
138extern rtx rs6000_find_base_term (rtx);
139extern rtx rs6000_return_addr (int, rtx);
140extern void rs6000_output_symbol_ref (FILE*, rtx);
141extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
142extern void rs6000_emit_popcount (rtx, rtx);
143extern void rs6000_emit_parity (rtx, rtx);
144
145extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,
146						   rtx);
147extern rtx rs6000_address_for_fpconvert (rtx);
148extern rtx rs6000_address_for_altivec (rtx);
149extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool);
150extern int rs6000_loop_align (rtx);
151extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool, rtx);
152#endif /* RTX_CODE */
153
154#ifdef TREE_CODE
155extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
156extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
157extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
158						     unsigned int);
159extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
160							    unsigned int);
161extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
162extern rtx rs6000_libcall_value (enum machine_mode);
163extern rtx rs6000_va_arg (tree, tree);
164extern int function_ok_for_sibcall (tree);
165extern int rs6000_reg_parm_stack_space (tree, bool);
166extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
167extern bool rs6000_elf_in_small_data_p (const_tree);
168#ifdef ARGS_SIZE_RTX
169/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
170extern enum direction function_arg_padding (enum machine_mode, const_tree);
171#endif /* ARGS_SIZE_RTX */
172
173#endif /* TREE_CODE */
174
175extern int direct_return (void);
176extern int first_reg_to_save (void);
177extern int first_fp_reg_to_save (void);
178extern void output_ascii (FILE *, const char *, int);
179extern void rs6000_gen_section_name (char **, const char *, const char *);
180extern void output_function_profiler (FILE *, int);
181extern void output_profile_hook  (int);
182extern int rs6000_trampoline_size (void);
183extern alias_set_type get_TOC_alias_set (void);
184extern void rs6000_emit_prologue (void);
185extern void rs6000_emit_load_toc_table (int);
186extern unsigned int rs6000_dbx_register_number (unsigned int);
187extern void rs6000_emit_epilogue (int);
188extern void rs6000_emit_eh_reg_restore (rtx, rtx);
189extern const char * output_isel (rtx *);
190extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
191extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
192extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
193extern void get_ppc476_thunk_name (char name[32]);
194extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
195extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
196
197/* Declare functions in rs6000-c.c */
198
199extern void rs6000_pragma_longcall (struct cpp_reader *);
200extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
201#ifdef TREE_CODE
202extern bool rs6000_pragma_target_parse (tree, tree);
203#endif
204extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
205extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
206						HOST_WIDE_INT);
207
208#if TARGET_MACHO
209char *output_call (rtx, rtx *, int, int);
210#endif
211
212#ifdef NO_DOLLAR_IN_LABEL
213const char * rs6000_xcoff_strip_dollar (const char *);
214#endif
215
216void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands);
217
218extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
219extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
220extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
221#endif  /* rs6000-protos.h */
222