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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.
818ab71a 2 Copyright (C) 2000-2016 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);
50c78b9a 34extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
683be46f 35extern int vspltis_shifted (rtx);
847535b6 36extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
ef4bddc2
RS		 37extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
38extern int num_insns_constant (rtx, machine_mode);
48d72335 39extern int num_insns_constant_wide (HOST_WIDE_INT);
ef4bddc2
RS		 40extern int small_data_operand (rtx, machine_mode);
41extern bool mem_operand_gpr (rtx, machine_mode);
8afc3636 42extern bool toc_relative_expr_p (const_rtx, bool);
ef4bddc2
RS		 43extern bool invalid_e500_subreg (rtx, machine_mode);
44extern void validate_condition_mode (enum rtx_code, machine_mode);
45extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode,
77b0791e 46 bool);
48d72335 47extern bool legitimate_indirect_address_p (rtx, int);
6fb5fa3c 48extern bool legitimate_indexed_address_p (rtx, int);
ef4bddc2 49extern bool avoiding_indexed_address_p (machine_mode);
48d72335 50
9390387d
AM		 51extern rtx rs6000_got_register (rtx);
52extern rtx find_addr_reg (rtx);
66180ff3 53extern rtx gen_easy_altivec_constant (rtx);
a2369ed3 54extern const char *output_vec_const_move (rtx *);
19be72ab 55extern const char *rs6000_output_move_128bit (rtx *);
a16a872d
MM		 56extern bool rs6000_move_128bit_ok_p (rtx []);
57extern bool rs6000_split_128bit_ok_p (rtx []);
526303ec 58extern void rs6000_expand_float128_convert (rtx, rtx, bool);
dd551aa1
MM		 59extern void convert_float128_to_int (rtx *, enum rtx_code);
60extern void convert_int_to_float128 (rtx *, enum rtx_code);
7a4eca66 61extern void rs6000_expand_vector_init (rtx, rtx);
f5027409 62extern void paired_expand_vector_init (rtx, rtx);
7a4eca66 63extern void rs6000_expand_vector_set (rtx, rtx, int);
98060bbe 64extern void rs6000_expand_vector_extract (rtx, rtx, rtx);
e0d32185 65extern void rs6000_split_vec_extract_var (rtx, rtx, rtx, rtx, rtx);
d0047a25 66extern rtx rs6000_adjust_vec_address (rtx, rtx, rtx, rtx, machine_mode);
5aebfdad 67extern bool altivec_expand_vec_perm_const (rtx op[4]);
f200869a 68extern void altivec_expand_vec_perm_le (rtx op[4]);
5aebfdad 69extern bool rs6000_expand_vec_perm_const (rtx op[4]);
ef4bddc2
RS		 70extern void altivec_expand_lvx_be (rtx, rtx, machine_mode, unsigned);
71extern void altivec_expand_stvx_be (rtx, rtx, machine_mode, unsigned);
72extern void altivec_expand_stvex_be (rtx, rtx, machine_mode, unsigned);
5aebfdad
RH		 73extern void rs6000_expand_extract_even (rtx, rtx, rtx);
74extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
70f0f8b2 75extern void rs6000_scale_v2df (rtx, rtx, int);
fba73eb1 76extern int expand_block_clear (rtx[]);
a2369ed3 77extern int expand_block_move (rtx[]);
a2369ed3 78extern const char * rs6000_output_load_multiple (rtx[]);
7fc5cca3
SB		 79extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode);
80extern bool rs6000_is_valid_and_mask (rtx, machine_mode);
81extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode);
82extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode);
83extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool);
84extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool);
85extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool);
86extern bool rs6000_is_valid_2insn_and (rtx, machine_mode);
a34f4f64 87extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int);
a2369ed3 88extern int registers_ok_for_quad_peep (rtx, rtx);
90f81f99 89extern int mems_ok_for_quad_peep (rtx, rtx);
3a1f863f 90extern bool gpr_or_gpr_p (rtx, rtx);
19be72ab 91extern bool direct_move_p (rtx, rtx);
3fd2b007 92extern bool quad_address_p (rtx, machine_mode, bool);
19be72ab 93extern bool quad_load_store_p (rtx, rtx);
3f99b061 94extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
f758f299 95extern void expand_fusion_gpr_load (rtx *);
0299bc72
MM		 96extern void emit_fusion_addis (rtx, rtx, const char *, const char *);
97extern void emit_fusion_load_store (rtx, rtx, rtx, const char *);
3f99b061 98extern const char *emit_fusion_gpr_load (rtx, rtx);
0299bc72
MM		 99extern bool fusion_p9_p (rtx, rtx, rtx, rtx);
100extern void expand_fusion_p9_load (rtx *);
101extern void expand_fusion_p9_store (rtx *);
102extern const char *emit_fusion_p9_load (rtx, rtx, rtx);
103extern const char *emit_fusion_p9_store (rtx, rtx, rtx);
104extern rtx fusion_wrap_memory_address (rtx);
8beb65e3
MM		 105extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
106 enum reg_class);
107extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
ef4bddc2 108 machine_mode,
8beb65e3
MM		 109 rtx);
110extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
111 enum reg_class,
ef4bddc2
RS		 112 machine_mode);
113extern bool (*rs6000_cannot_change_mode_class_ptr) (machine_mode,
114 machine_mode,
8beb65e3
MM		 115 enum reg_class);
116extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
d32d6b75 117extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
e2e95f45
RE		 118extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
119 rtx, rtx, rtx);
120extern void paired_expand_vector_move (rtx operands[]);
121
122
a2369ed3 123extern int ccr_bit (rtx, int);
85b776df 124extern void rs6000_output_function_entry (FILE *, const char *);
a2369ed3
DJ		 125extern void print_operand (FILE *, rtx, int);
126extern void print_operand_address (FILE *, rtx);
ef4bddc2 127extern enum rtx_code rs6000_reverse_condition (machine_mode,
3a1f863f 128 enum rtx_code);
a935964d 129extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx);
ef4bddc2
RS		 130extern void rs6000_emit_sISEL (machine_mode, rtx[]);
131extern void rs6000_emit_sCOND (machine_mode, rtx[]);
132extern void rs6000_emit_cbranch (machine_mode, rtx[]);
e64e631b 133extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
64022b5d 134extern char * output_e500_flip_gt_bit (rtx, rtx);
39acb18f 135extern const char * output_probe_stack_range (rtx, rtx);
bfe51f42 136extern bool rs6000_emit_set_const (rtx, rtx);
a2369ed3 137extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
21213b4c 138extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
a2369ed3 139extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
36a265b1 140extern void rs6000_split_signbit (rtx, rtx);
2747a046
RH		 141extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
142extern void rs6000_expand_atomic_exchange (rtx op[]);
143extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
92902797 144extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
4f0055bd 145extern void rs6000_emit_swsqrt (rtx, rtx, bool);
ef4bddc2 146extern void output_toc (FILE *, rtx, int, machine_mode);
9390387d 147extern rtx rs6000_longcall_ref (rtx);
a2369ed3 148extern void rs6000_fatal_bad_address (rtx);
070b27da 149extern rtx create_TOC_reference (rtx, rtx);
a9baceb1 150extern void rs6000_split_multireg_move (rtx, rtx);
ef4bddc2
RS		 151extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
152extern void rs6000_emit_move (rtx, rtx, machine_mode);
153extern rtx rs6000_secondary_memory_needed_rtx (machine_mode);
2c83faf8 154extern machine_mode rs6000_secondary_memory_needed_mode (machine_mode);
ef4bddc2 155extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode,
8beb65e3 156 int, int, int, int *);
ef4bddc2 157extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
d32d6b75 158 bool, bool);
944258eb 159extern rtx rs6000_find_base_term (rtx);
a2369ed3
DJ		 160extern rtx rs6000_return_addr (int, rtx);
161extern void rs6000_output_symbol_ref (FILE*, rtx);
d1d0c603 162extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
565ef4ba
RS		 163extern void rs6000_emit_popcount (rtx, rtx);
164extern void rs6000_emit_parity (rtx, rtx);
a2369ed3 165
ef4bddc2 166extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
fa5b0972 167 rtx);
7042fe5e 168extern rtx rs6000_address_for_fpconvert (rtx);
c9485473 169extern rtx rs6000_address_for_altivec (rtx);
ef4bddc2 170extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
58082ff6 171extern int rs6000_loop_align (rtx);
44c3a8bb 172extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
9ebbca7d
GK		 173#endif /* RTX_CODE */
174
175#ifdef TREE_CODE
69eff9da 176extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
98326512 177extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
fa5b0972
AM		 178extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
179 unsigned int);
58182de3
GK		 180extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
181 unsigned int);
4b29c5e5 182extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
ef4bddc2 183extern rtx rs6000_libcall_value (machine_mode);
9390387d 184extern rtx rs6000_va_arg (tree, tree);
a2369ed3 185extern int function_ok_for_sibcall (tree);
ddbb449f 186extern int rs6000_reg_parm_stack_space (tree, bool);
b36e833f 187extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
9af46873 188extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
a2369ed3 189extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
3101faab 190extern bool rs6000_elf_in_small_data_p (const_tree);
9ebbca7d
GK		 191#ifdef ARGS_SIZE_RTX
192/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
ef4bddc2 193extern enum direction function_arg_padding (machine_mode, const_tree);
9ebbca7d 194#endif /* ARGS_SIZE_RTX */
ee890fe2 195
9ebbca7d
GK		 196#endif /* TREE_CODE */
197
a2369ed3 198extern int direct_return (void);
a2369ed3
DJ		 199extern int first_reg_to_save (void);
200extern int first_fp_reg_to_save (void);
a2369ed3
DJ		 201extern void output_ascii (FILE *, const char *, int);
202extern void rs6000_gen_section_name (char **, const char *, const char *);
203extern void output_function_profiler (FILE *, int);
204extern void output_profile_hook (int);
205extern int rs6000_trampoline_size (void);
4862826d 206extern alias_set_type get_TOC_alias_set (void);
a2369ed3
DJ		 207extern void rs6000_emit_prologue (void);
208extern void rs6000_emit_load_toc_table (int);
3d36d470 209extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
a2369ed3 210extern void rs6000_emit_epilogue (int);
0f0fd745
AM		 211extern void rs6000_expand_split_stack_prologue (void);
212extern void rs6000_split_stack_space_check (rtx, rtx);
d1d0c603 213extern void rs6000_emit_eh_reg_restore (rtx, rtx);
a2369ed3 214extern const char * output_isel (rtx *);
f90f960c
UW		 215extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
216extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
7e49a4b3 217extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
be26142a 218extern void get_ppc476_thunk_name (char name[32]);
7fa14a01 219extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
b85aed95 220extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
e707a2dd
AD		 221extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
222 const char *label);
223extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
224 const char *label);
7e49a4b3 225
4c4eb375
GK		 226/* Declare functions in rs6000-c.c */
227
a2369ed3
DJ		 228extern void rs6000_pragma_longcall (struct cpp_reader *);
229extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
fd438373
MM		 230#ifdef TREE_CODE
231extern bool rs6000_pragma_target_parse (tree, tree);
232#endif
b85aed95
MM		 233extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
234extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
235 HOST_WIDE_INT);
a5c76ee6 236
efdba735 237#if TARGET_MACHO
a1950df3 238char *output_call (rtx_insn *, rtx *, int, int);
efdba735
SH		 239#endif
240
ee06c6a5
DE		 241#ifdef NO_DOLLAR_IN_LABEL
242const char * rs6000_xcoff_strip_dollar (const char *);
243#endif
244
e64e631b 245void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
c921bad8 246
0d1fbc8c 247extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
cacf1ca8
MM		 248extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
249extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
9193fb05
JM		 250
251extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
a5c76ee6 252#endif /* rs6000-protos.h */
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