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[thirdparty/gcc.git] / gcc / config / rs6000 / rs6000-protos.h
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9ebbca7d 1/* Definitions of target machine for GNU compiler, for IBM RS/6000.
5624e564 2 Copyright (C) 2000-2015 Free Software Foundation, Inc.
9ebbca7d
GK		 3 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
4
5de601cf 5 This file is part of GCC.
9ebbca7d 6
5de601cf
NC		 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
2f83c7d6 9 by the Free Software Foundation; either version 3, or (at your
5de601cf 10 option) any later version.
9ebbca7d 11
5de601cf
NC		 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.
9ebbca7d 16
5de601cf 17 You should have received a copy of the GNU General Public License
2f83c7d6
NC		 18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
9ebbca7d 20
a5c76ee6
ZW		 21#ifndef GCC_RS6000_PROTOS_H
22#define GCC_RS6000_PROTOS_H
23
9ebbca7d
GK		 24/* Declare functions in rs6000.c */
25
26#ifdef RTX_CODE
27
28#ifdef TREE_CODE
617718f7 29extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
ef4bddc2 30 tree, machine_mode);
9ebbca7d
GK		 31#endif /* TREE_CODE */
32
ef4bddc2 33extern bool easy_altivec_constant (rtx, machine_mode);
683be46f 34extern int vspltis_shifted (rtx);
847535b6 35extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
ef4bddc2
RS		 36extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
37extern int num_insns_constant (rtx, machine_mode);
48d72335 38extern int num_insns_constant_wide (HOST_WIDE_INT);
ef4bddc2
RS		 39extern int small_data_operand (rtx, machine_mode);
40extern bool mem_operand_gpr (rtx, machine_mode);
8afc3636 41extern bool toc_relative_expr_p (const_rtx, bool);
ef4bddc2
RS		 42extern bool invalid_e500_subreg (rtx, machine_mode);
43extern void validate_condition_mode (enum rtx_code, machine_mode);
44extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode,
77b0791e 45 bool);
48d72335 46extern bool legitimate_indirect_address_p (rtx, int);
6fb5fa3c 47extern bool legitimate_indexed_address_p (rtx, int);
ef4bddc2 48extern bool avoiding_indexed_address_p (machine_mode);
48d72335 49
9390387d
AM		 50extern rtx rs6000_got_register (rtx);
51extern rtx find_addr_reg (rtx);
66180ff3 52extern rtx gen_easy_altivec_constant (rtx);
a2369ed3 53extern const char *output_vec_const_move (rtx *);
19be72ab 54extern const char *rs6000_output_move_128bit (rtx *);
a16a872d
MM		 55extern bool rs6000_move_128bit_ok_p (rtx []);
56extern bool rs6000_split_128bit_ok_p (rtx []);
526303ec 57extern void rs6000_expand_float128_convert (rtx, rtx, bool);
dd551aa1
MM		 58extern void convert_float128_to_int (rtx *, enum rtx_code);
59extern void convert_int_to_float128 (rtx *, enum rtx_code);
7a4eca66 60extern void rs6000_expand_vector_init (rtx, rtx);
f5027409 61extern void paired_expand_vector_init (rtx, rtx);
7a4eca66
DE		 62extern void rs6000_expand_vector_set (rtx, rtx, int);
63extern void rs6000_expand_vector_extract (rtx, rtx, int);
5aebfdad 64extern bool altivec_expand_vec_perm_const (rtx op[4]);
f200869a 65extern void altivec_expand_vec_perm_le (rtx op[4]);
5aebfdad 66extern bool rs6000_expand_vec_perm_const (rtx op[4]);
ef4bddc2
RS		 67extern void altivec_expand_lvx_be (rtx, rtx, machine_mode, unsigned);
68extern void altivec_expand_stvx_be (rtx, rtx, machine_mode, unsigned);
69extern void altivec_expand_stvex_be (rtx, rtx, machine_mode, unsigned);
5aebfdad
RH		 70extern void rs6000_expand_extract_even (rtx, rtx, rtx);
71extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
70f0f8b2 72extern void rs6000_scale_v2df (rtx, rtx, int);
fba73eb1 73extern int expand_block_clear (rtx[]);
a2369ed3 74extern int expand_block_move (rtx[]);
a2369ed3 75extern const char * rs6000_output_load_multiple (rtx[]);
7fc5cca3
SB		 76extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode);
77extern bool rs6000_is_valid_and_mask (rtx, machine_mode);
78extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode);
79extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode);
80extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool);
81extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool);
82extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool);
83extern bool rs6000_is_valid_2insn_and (rtx, machine_mode);
a34f4f64 84extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int);
a2369ed3 85extern int registers_ok_for_quad_peep (rtx, rtx);
90f81f99 86extern int mems_ok_for_quad_peep (rtx, rtx);
3a1f863f 87extern bool gpr_or_gpr_p (rtx, rtx);
19be72ab
MM		 88extern bool direct_move_p (rtx, rtx);
89extern bool quad_load_store_p (rtx, rtx);
3f99b061 90extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
f758f299 91extern void expand_fusion_gpr_load (rtx *);
0299bc72
MM		 92extern void emit_fusion_addis (rtx, rtx, const char *, const char *);
93extern void emit_fusion_load_store (rtx, rtx, rtx, const char *);
3f99b061 94extern const char *emit_fusion_gpr_load (rtx, rtx);
0299bc72
MM		 95extern bool fusion_p9_p (rtx, rtx, rtx, rtx);
96extern void expand_fusion_p9_load (rtx *);
97extern void expand_fusion_p9_store (rtx *);
98extern const char *emit_fusion_p9_load (rtx, rtx, rtx);
99extern const char *emit_fusion_p9_store (rtx, rtx, rtx);
100extern rtx fusion_wrap_memory_address (rtx);
8beb65e3
MM		 101extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
102 enum reg_class);
103extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
ef4bddc2 104 machine_mode,
8beb65e3
MM		 105 rtx);
106extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
107 enum reg_class,
ef4bddc2
RS		 108 machine_mode);
109extern bool (*rs6000_cannot_change_mode_class_ptr) (machine_mode,
110 machine_mode,
8beb65e3
MM		 111 enum reg_class);
112extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
d32d6b75 113extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
e2e95f45
RE		 114extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
115 rtx, rtx, rtx);
116extern void paired_expand_vector_move (rtx operands[]);
117
118
a2369ed3 119extern int ccr_bit (rtx, int);
85b776df 120extern void rs6000_output_function_entry (FILE *, const char *);
a2369ed3
DJ		 121extern void print_operand (FILE *, rtx, int);
122extern void print_operand_address (FILE *, rtx);
ef4bddc2 123extern enum rtx_code rs6000_reverse_condition (machine_mode,
3a1f863f 124 enum rtx_code);
a935964d 125extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx);
ef4bddc2
RS		 126extern void rs6000_emit_sISEL (machine_mode, rtx[]);
127extern void rs6000_emit_sCOND (machine_mode, rtx[]);
128extern void rs6000_emit_cbranch (machine_mode, rtx[]);
e64e631b 129extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
64022b5d 130extern char * output_e500_flip_gt_bit (rtx, rtx);
39acb18f 131extern const char * output_probe_stack_range (rtx, rtx);
bfe51f42 132extern bool rs6000_emit_set_const (rtx, rtx);
a2369ed3 133extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
21213b4c 134extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
a2369ed3 135extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
2747a046
RH		 136extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
137extern void rs6000_expand_atomic_exchange (rtx op[]);
138extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
92902797 139extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
4f0055bd 140extern void rs6000_emit_swsqrt (rtx, rtx, bool);
ef4bddc2 141extern void output_toc (FILE *, rtx, int, machine_mode);
9390387d 142extern rtx rs6000_longcall_ref (rtx);
a2369ed3 143extern void rs6000_fatal_bad_address (rtx);
070b27da 144extern rtx create_TOC_reference (rtx, rtx);
a9baceb1 145extern void rs6000_split_multireg_move (rtx, rtx);
ef4bddc2
RS		 146extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
147extern void rs6000_emit_move (rtx, rtx, machine_mode);
148extern rtx rs6000_secondary_memory_needed_rtx (machine_mode);
2c83faf8 149extern machine_mode rs6000_secondary_memory_needed_mode (machine_mode);
ef4bddc2 150extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode,
8beb65e3 151 int, int, int, int *);
ef4bddc2 152extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
d32d6b75 153 bool, bool);
944258eb 154extern rtx rs6000_find_base_term (rtx);
a2369ed3
DJ		 155extern rtx rs6000_return_addr (int, rtx);
156extern void rs6000_output_symbol_ref (FILE*, rtx);
d1d0c603 157extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
565ef4ba
RS		 158extern void rs6000_emit_popcount (rtx, rtx);
159extern void rs6000_emit_parity (rtx, rtx);
a2369ed3 160
ef4bddc2 161extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
fa5b0972 162 rtx);
7042fe5e 163extern rtx rs6000_address_for_fpconvert (rtx);
c9485473 164extern rtx rs6000_address_for_altivec (rtx);
ef4bddc2 165extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
58082ff6 166extern int rs6000_loop_align (rtx);
44c3a8bb 167extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
9ebbca7d
GK		 168#endif /* RTX_CODE */
169
170#ifdef TREE_CODE
69eff9da 171extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
98326512 172extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
fa5b0972
AM		 173extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
174 unsigned int);
58182de3
GK		 175extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
176 unsigned int);
4b29c5e5 177extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
ef4bddc2 178extern rtx rs6000_libcall_value (machine_mode);
9390387d 179extern rtx rs6000_va_arg (tree, tree);
a2369ed3 180extern int function_ok_for_sibcall (tree);
ddbb449f 181extern int rs6000_reg_parm_stack_space (tree, bool);
b36e833f 182extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
9af46873 183extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
a2369ed3 184extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
3101faab 185extern bool rs6000_elf_in_small_data_p (const_tree);
9ebbca7d
GK		 186#ifdef ARGS_SIZE_RTX
187/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
ef4bddc2 188extern enum direction function_arg_padding (machine_mode, const_tree);
9ebbca7d 189#endif /* ARGS_SIZE_RTX */
ee890fe2 190
9ebbca7d
GK		 191#endif /* TREE_CODE */
192
a2369ed3 193extern int direct_return (void);
a2369ed3
DJ		 194extern int first_reg_to_save (void);
195extern int first_fp_reg_to_save (void);
a2369ed3
DJ		 196extern void output_ascii (FILE *, const char *, int);
197extern void rs6000_gen_section_name (char **, const char *, const char *);
198extern void output_function_profiler (FILE *, int);
199extern void output_profile_hook (int);
200extern int rs6000_trampoline_size (void);
4862826d 201extern alias_set_type get_TOC_alias_set (void);
a2369ed3
DJ		 202extern void rs6000_emit_prologue (void);
203extern void rs6000_emit_load_toc_table (int);
3d36d470 204extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
a2369ed3 205extern void rs6000_emit_epilogue (int);
0f0fd745
AM		 206extern void rs6000_expand_split_stack_prologue (void);
207extern void rs6000_split_stack_space_check (rtx, rtx);
d1d0c603 208extern void rs6000_emit_eh_reg_restore (rtx, rtx);
a2369ed3 209extern const char * output_isel (rtx *);
f90f960c
UW		 210extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
211extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
7e49a4b3 212extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
be26142a 213extern void get_ppc476_thunk_name (char name[32]);
7fa14a01 214extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
b85aed95 215extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
e707a2dd
AD		 216extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
217 const char *label);
218extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
219 const char *label);
7e49a4b3 220
4c4eb375
GK		 221/* Declare functions in rs6000-c.c */
222
a2369ed3
DJ		 223extern void rs6000_pragma_longcall (struct cpp_reader *);
224extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
fd438373
MM		 225#ifdef TREE_CODE
226extern bool rs6000_pragma_target_parse (tree, tree);
227#endif
b85aed95
MM		 228extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
229extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
230 HOST_WIDE_INT);
a5c76ee6 231
efdba735 232#if TARGET_MACHO
a1950df3 233char *output_call (rtx_insn *, rtx *, int, int);
efdba735
SH		 234#endif
235
ee06c6a5
DE		 236#ifdef NO_DOLLAR_IN_LABEL
237const char * rs6000_xcoff_strip_dollar (const char *);
238#endif
239
e64e631b 240void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
c921bad8 241
0d1fbc8c 242extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
cacf1ca8
MM		 243extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
244extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
9193fb05
JM		 245
246extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
a5c76ee6 247#endif /* rs6000-protos.h */
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