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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.
cbe34bb5 2 Copyright (C) 2000-2017 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);
ad69178c 42extern bool mem_operand_ds_form (rtx, machine_mode);
8afc3636 43extern bool toc_relative_expr_p (const_rtx, bool);
ef4bddc2
RS		 44extern bool invalid_e500_subreg (rtx, machine_mode);
45extern void validate_condition_mode (enum rtx_code, machine_mode);
46extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode,
77b0791e 47 bool);
48d72335 48extern bool legitimate_indirect_address_p (rtx, int);
6fb5fa3c 49extern bool legitimate_indexed_address_p (rtx, int);
ef4bddc2 50extern bool avoiding_indexed_address_p (machine_mode);
48d72335 51
9390387d
AM		 52extern rtx rs6000_got_register (rtx);
53extern rtx find_addr_reg (rtx);
66180ff3 54extern rtx gen_easy_altivec_constant (rtx);
a2369ed3 55extern const char *output_vec_const_move (rtx *);
19be72ab 56extern const char *rs6000_output_move_128bit (rtx *);
a16a872d
MM		 57extern bool rs6000_move_128bit_ok_p (rtx []);
58extern bool rs6000_split_128bit_ok_p (rtx []);
526303ec 59extern void rs6000_expand_float128_convert (rtx, rtx, bool);
7a4eca66 60extern void rs6000_expand_vector_init (rtx, rtx);
f5027409 61extern void paired_expand_vector_init (rtx, rtx);
7a4eca66 62extern void rs6000_expand_vector_set (rtx, rtx, int);
98060bbe 63extern void rs6000_expand_vector_extract (rtx, rtx, rtx);
e0d32185 64extern void rs6000_split_vec_extract_var (rtx, rtx, rtx, rtx, rtx);
d0047a25 65extern rtx rs6000_adjust_vec_address (rtx, rtx, rtx, rtx, machine_mode);
6019c0fc 66extern void rs6000_split_v4si_init (rtx []);
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[]);
9f38dde2 78extern bool expand_block_compare (rtx[]);
0edd264d 79extern bool expand_strn_compare (rtx[], int);
a2369ed3 80extern const char * rs6000_output_load_multiple (rtx[]);
7fc5cca3
SB		 81extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode);
82extern bool rs6000_is_valid_and_mask (rtx, machine_mode);
83extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode);
84extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode);
85extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool);
86extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool);
87extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool);
88extern bool rs6000_is_valid_2insn_and (rtx, machine_mode);
a34f4f64 89extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int);
a2369ed3 90extern int registers_ok_for_quad_peep (rtx, rtx);
90f81f99 91extern int mems_ok_for_quad_peep (rtx, rtx);
3a1f863f 92extern bool gpr_or_gpr_p (rtx, rtx);
19be72ab 93extern bool direct_move_p (rtx, rtx);
3fd2b007 94extern bool quad_address_p (rtx, machine_mode, bool);
19be72ab 95extern bool quad_load_store_p (rtx, rtx);
3f99b061 96extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
f758f299 97extern void expand_fusion_gpr_load (rtx *);
0299bc72
MM		 98extern void emit_fusion_addis (rtx, rtx, const char *, const char *);
99extern void emit_fusion_load_store (rtx, rtx, rtx, const char *);
3f99b061 100extern const char *emit_fusion_gpr_load (rtx, rtx);
0299bc72
MM		 101extern bool fusion_p9_p (rtx, rtx, rtx, rtx);
102extern void expand_fusion_p9_load (rtx *);
103extern void expand_fusion_p9_store (rtx *);
104extern const char *emit_fusion_p9_load (rtx, rtx, rtx);
105extern const char *emit_fusion_p9_store (rtx, rtx, rtx);
106extern rtx fusion_wrap_memory_address (rtx);
8beb65e3
MM		 107extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
108 enum reg_class);
109extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
ef4bddc2 110 machine_mode,
8beb65e3
MM		 111 rtx);
112extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
113 enum reg_class,
ef4bddc2
RS		 114 machine_mode);
115extern bool (*rs6000_cannot_change_mode_class_ptr) (machine_mode,
116 machine_mode,
8beb65e3
MM		 117 enum reg_class);
118extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
d32d6b75 119extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
e2e95f45
RE		 120extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
121 rtx, rtx, rtx);
122extern void paired_expand_vector_move (rtx operands[]);
123
124
a2369ed3 125extern int ccr_bit (rtx, int);
85b776df 126extern void rs6000_output_function_entry (FILE *, const char *);
a2369ed3
DJ		 127extern void print_operand (FILE *, rtx, int);
128extern void print_operand_address (FILE *, rtx);
ef4bddc2 129extern enum rtx_code rs6000_reverse_condition (machine_mode,
3a1f863f 130 enum rtx_code);
a935964d 131extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx);
ef4bddc2
RS		 132extern void rs6000_emit_sISEL (machine_mode, rtx[]);
133extern void rs6000_emit_sCOND (machine_mode, rtx[]);
134extern void rs6000_emit_cbranch (machine_mode, rtx[]);
e64e631b 135extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
64022b5d 136extern char * output_e500_flip_gt_bit (rtx, rtx);
39acb18f 137extern const char * output_probe_stack_range (rtx, rtx);
bfe51f42 138extern bool rs6000_emit_set_const (rtx, rtx);
a2369ed3 139extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
21213b4c 140extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
a2369ed3 141extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
36a265b1 142extern void rs6000_split_signbit (rtx, rtx);
2747a046
RH		 143extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
144extern void rs6000_expand_atomic_exchange (rtx op[]);
145extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
92902797 146extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
4f0055bd 147extern void rs6000_emit_swsqrt (rtx, rtx, bool);
ef4bddc2 148extern void output_toc (FILE *, rtx, int, machine_mode);
9390387d 149extern rtx rs6000_longcall_ref (rtx);
a2369ed3 150extern void rs6000_fatal_bad_address (rtx);
070b27da 151extern rtx create_TOC_reference (rtx, rtx);
a9baceb1 152extern void rs6000_split_multireg_move (rtx, rtx);
ef4bddc2 153extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
fba4b861 154extern bool valid_sf_si_move (rtx, rtx, machine_mode);
ef4bddc2
RS		 155extern void rs6000_emit_move (rtx, rtx, machine_mode);
156extern rtx rs6000_secondary_memory_needed_rtx (machine_mode);
2c83faf8 157extern machine_mode rs6000_secondary_memory_needed_mode (machine_mode);
ef4bddc2 158extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode,
8beb65e3 159 int, int, int, int *);
ef4bddc2 160extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
d32d6b75 161 bool, bool);
944258eb 162extern rtx rs6000_find_base_term (rtx);
a2369ed3
DJ		 163extern rtx rs6000_return_addr (int, rtx);
164extern void rs6000_output_symbol_ref (FILE*, rtx);
d1d0c603 165extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
565ef4ba
RS		 166extern void rs6000_emit_popcount (rtx, rtx);
167extern void rs6000_emit_parity (rtx, rtx);
a2369ed3 168
ef4bddc2 169extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
fa5b0972 170 rtx);
7042fe5e 171extern rtx rs6000_address_for_fpconvert (rtx);
c9485473 172extern rtx rs6000_address_for_altivec (rtx);
ef4bddc2 173extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
58082ff6 174extern int rs6000_loop_align (rtx);
44c3a8bb 175extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
9ebbca7d
GK		 176#endif /* RTX_CODE */
177
178#ifdef TREE_CODE
69eff9da 179extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
98326512 180extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
fa5b0972
AM		 181extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
182 unsigned int);
58182de3
GK		 183extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
184 unsigned int);
4b29c5e5 185extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
ef4bddc2 186extern rtx rs6000_libcall_value (machine_mode);
9390387d 187extern rtx rs6000_va_arg (tree, tree);
a2369ed3 188extern int function_ok_for_sibcall (tree);
ddbb449f 189extern int rs6000_reg_parm_stack_space (tree, bool);
8d91472f 190extern void rs6000_asm_weaken_decl (FILE *, tree, const char *, const char *);
b36e833f 191extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
9af46873 192extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
8d91472f
DE		 193extern void rs6000_xcoff_asm_output_aligned_decl_common (FILE *, tree,
194 const char *,
195 unsigned HOST_WIDE_INT,
196 unsigned HOST_WIDE_INT);
a2369ed3 197extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
3101faab 198extern bool rs6000_elf_in_small_data_p (const_tree);
9ebbca7d
GK		 199#ifdef ARGS_SIZE_RTX
200/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
ef4bddc2 201extern enum direction function_arg_padding (machine_mode, const_tree);
9ebbca7d 202#endif /* ARGS_SIZE_RTX */
ee890fe2 203
9ebbca7d
GK		 204#endif /* TREE_CODE */
205
a2369ed3 206extern int direct_return (void);
a2369ed3
DJ		 207extern int first_reg_to_save (void);
208extern int first_fp_reg_to_save (void);
a2369ed3
DJ		 209extern void output_ascii (FILE *, const char *, int);
210extern void rs6000_gen_section_name (char **, const char *, const char *);
211extern void output_function_profiler (FILE *, int);
212extern void output_profile_hook (int);
213extern int rs6000_trampoline_size (void);
4862826d 214extern alias_set_type get_TOC_alias_set (void);
a2369ed3
DJ		 215extern void rs6000_emit_prologue (void);
216extern void rs6000_emit_load_toc_table (int);
3d36d470 217extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
a2369ed3 218extern void rs6000_emit_epilogue (int);
0f0fd745
AM		 219extern void rs6000_expand_split_stack_prologue (void);
220extern void rs6000_split_stack_space_check (rtx, rtx);
d1d0c603 221extern void rs6000_emit_eh_reg_restore (rtx, rtx);
a2369ed3 222extern const char * output_isel (rtx *);
f90f960c
UW		 223extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
224extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
7e49a4b3 225extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
be26142a 226extern void get_ppc476_thunk_name (char name[32]);
7fa14a01 227extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
e9e6d4f6 228extern const char *rs6000_overloaded_builtin_name (enum rs6000_builtins);
b85aed95 229extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
e707a2dd
AD		 230extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
231 const char *label);
232extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
233 const char *label);
7e49a4b3 234
4c4eb375
GK		 235/* Declare functions in rs6000-c.c */
236
a2369ed3
DJ		 237extern void rs6000_pragma_longcall (struct cpp_reader *);
238extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
fd438373
MM		 239#ifdef TREE_CODE
240extern bool rs6000_pragma_target_parse (tree, tree);
241#endif
b85aed95
MM		 242extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
243extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
244 HOST_WIDE_INT);
a5c76ee6 245
efdba735 246#if TARGET_MACHO
a1950df3 247char *output_call (rtx_insn *, rtx *, int, int);
efdba735
SH		 248#endif
249
ee06c6a5
DE		 250#ifdef NO_DOLLAR_IN_LABEL
251const char * rs6000_xcoff_strip_dollar (const char *);
252#endif
253
e64e631b 254void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
c921bad8 255
0d1fbc8c 256extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
cacf1ca8
MM		 257extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
258extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
9193fb05
JM		 259
260extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
5715e980
BS		 261
262/* Pass management. */
263namespace gcc { class context; }
264class rtl_opt_pass;
265
266extern rtl_opt_pass *make_pass_analyze_swaps (gcc::context *);
267
a5c76ee6 268#endif /* rs6000-protos.h */
Mirror of https://gcc.gnu.org/git/gcc.git