gcc/config/i386/i386-protos.h

   1 /* Definitions of target machine for GCC for IA-32.
   2    Copyright (C) 1988-2024 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 3, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 /* In i386-common.cc.  */
  21 extern bool ix86_handle_option (struct gcc_options *opts,
  22                                 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
  23                                 const struct cl_decoded_option *decoded,
  24                                 location_t loc);
  25
  26 /* Functions in i386.cc */
  27 extern bool ix86_target_stack_probe (void);
  28 extern bool ix86_can_use_return_insn_p (void);
  29 extern bool ix86_function_ms_hook_prologue (const_tree fn);
  30 extern void ix86_setup_frame_addresses (void);
  31 extern bool ix86_rip_relative_addr_p (struct ix86_address *parts);
  32
  33 extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
  34 extern void ix86_expand_prologue (void);
  35 extern void ix86_maybe_emit_epilogue_vzeroupper (void);
  36 extern void ix86_expand_epilogue (int);
  37 extern void ix86_expand_split_stack_prologue (void);
  38
  39 extern void ix86_output_addr_vec_elt (FILE *, int);
  40 extern void ix86_output_addr_diff_elt (FILE *, int, int);
  41
  42 extern const char *ix86_output_ssemov (rtx_insn *, rtx *);
  43
  44 extern enum calling_abi ix86_cfun_abi (void);
  45 extern enum calling_abi ix86_function_type_abi (const_tree);
  46
  47 extern bool ix86_use_pseudo_pic_reg (void);
  48
  49 extern void ix86_reset_previous_fndecl (void);
  50
  51 extern bool ix86_using_red_zone (void);
  52
  53 extern unsigned int ix86_regmode_natural_size (machine_mode);
  54 extern bool ix86_check_builtin_isa_match (unsigned int fcode);
  55 #ifdef RTX_CODE
  56 extern int standard_80387_constant_p (rtx);
  57 extern const char *standard_80387_constant_opcode (rtx);
  58 extern rtx standard_80387_constant_rtx (int);
  59 extern int standard_sse_constant_p (rtx, machine_mode);
  60 extern const char *standard_sse_constant_opcode (rtx_insn *, rtx *);
  61 extern bool ix86_standard_x87sse_constant_load_p (const rtx_insn *, rtx);
  62 extern bool ix86_pre_reload_split (void);
  63 extern bool symbolic_reference_mentioned_p (rtx);
  64 extern bool extended_reg_mentioned_p (rtx);
  65 extern bool x86_extended_QIreg_mentioned_p (rtx_insn *);
  66 extern bool x86_extended_reg_mentioned_p (rtx);
  67 extern bool x86_extended_rex2reg_mentioned_p (rtx);
  68 extern bool x86_evex_reg_mentioned_p (rtx [], int);
  69 extern bool x86_poff_operand_p (rtx);
  70 extern bool x86_maybe_negate_const_int (rtx *, machine_mode);
  71 extern machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
  72
  73 extern int avx_vpermilp_parallel (rtx par, machine_mode mode);
  74 extern int avx_vperm2f128_parallel (rtx par, machine_mode mode);
  75
  76 extern int vpternlog_redundant_operand_mask (rtx);
  77 extern void substitute_vpternlog_operands (rtx[]);
  78
  79 extern bool ix86_expand_strlen (rtx, rtx, rtx, rtx);
  80 extern bool ix86_expand_set_or_cpymem (rtx, rtx, rtx, rtx, rtx, rtx,
  81                                        rtx, rtx, rtx, rtx, bool);
  82 extern bool ix86_expand_cmpstrn_or_cmpmem (rtx, rtx, rtx, rtx, rtx, bool);
  83
  84 extern enum reg_class ix86_insn_base_reg_class (rtx_insn *);
  85 extern bool ix86_regno_ok_for_insn_base_p (int, rtx_insn *);
  86 extern enum reg_class ix86_insn_index_reg_class (rtx_insn *);
  87 extern bool constant_address_p (rtx);
  88 extern bool legitimate_pic_operand_p (rtx);
  89 extern bool legitimate_pic_address_disp_p (rtx);
  90 extern bool ix86_force_load_from_GOT_p (rtx, bool = false);
  91 extern void print_reg (rtx, int, FILE*);
  92 extern void ix86_print_operand (FILE *, rtx, int);
  93
  94 extern void split_double_mode (machine_mode, rtx[], int, rtx[], rtx[]);
  95 extern void split_double_concat (machine_mode, rtx, rtx lo, rtx);
  96
  97 extern const char *output_set_got (rtx, rtx);
  98 extern const char *output_387_binary_op (rtx_insn *, rtx*);
  99 extern const char *output_387_reg_move (rtx_insn *, rtx*);
 100 extern const char *output_fix_trunc (rtx_insn *, rtx*, bool);
 101 extern const char *output_fp_compare (rtx_insn *, rtx*, bool, bool);
 102 extern const char *output_adjust_stack_and_probe (rtx);
 103 extern const char *output_probe_stack_range (rtx, rtx);
 104
 105 extern void ix86_output_patchable_area (unsigned int, bool);
 106
 107 extern void ix86_expand_clear (rtx);
 108 extern void ix86_expand_move (machine_mode, rtx[]);
 109 extern void ix86_expand_vector_move (machine_mode, rtx[]);
 110 extern void ix86_expand_vector_move_misalign (machine_mode, rtx[]);
 111 extern rtx ix86_fixup_binary_operands (enum rtx_code, machine_mode,
 112                                        rtx[], bool = false);
 113 extern void ix86_fixup_binary_operands_no_copy (enum rtx_code, machine_mode,
 114                                                 rtx[], bool = false);
 115 extern void ix86_expand_binary_operator (enum rtx_code, machine_mode,
 116                                          rtx[], bool = false);
 117 extern bool ix86_binary_operator_ok (enum rtx_code, machine_mode,
 118                                      rtx[3], bool = false);
 119 extern void ix86_expand_unary_operator (enum rtx_code, machine_mode,
 120                                         rtx[], bool = false);
 121 extern bool ix86_unary_operator_ok (enum rtx_code, machine_mode,
 122                                     rtx[2], bool = false);
 123 extern void ix86_expand_vector_logical_operator (enum rtx_code,
 124                                                  machine_mode, rtx[]);
 125 extern bool ix86_avoid_lea_for_add (rtx_insn *, rtx[]);
 126 extern bool ix86_use_lea_for_mov (rtx_insn *, rtx[]);
 127 extern bool ix86_avoid_lea_for_addr (rtx_insn *, rtx[]);
 128 extern void ix86_split_lea_for_addr (rtx_insn *, rtx[], machine_mode);
 129 extern bool ix86_lea_for_add_ok (rtx_insn *, rtx[]);
 130 extern int ix86_last_zero_store_uid;
 131 extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands[3], bool high);
 132 extern bool ix86_dep_by_shift_count (const_rtx set_insn, const_rtx use_insn);
 133 extern bool ix86_agi_dependent (rtx_insn *set_insn, rtx_insn *use_insn);
 134 extern rtx ix86_build_const_vector (machine_mode, bool, rtx);
 135 extern rtx ix86_build_signbit_mask (machine_mode, bool, bool);
 136 extern HOST_WIDE_INT ix86_convert_const_vector_to_integer (rtx, machine_mode);
 137 extern void ix86_split_convert_uns_si_sse (rtx[]);
 138 extern void ix86_expand_convert_uns_didf_sse (rtx, rtx);
 139 extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx);
 140 extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx);
 141 extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx);
 142 extern void ix86_expand_convert_sign_didf_sse (rtx, rtx);
 143 extern void ix86_expand_vector_convert_uns_vsivsf (rtx, rtx);
 144 extern rtx ix86_expand_adjust_ufix_to_sfix_si (rtx, rtx *);
 145 extern enum ix86_fpcmp_strategy ix86_fp_comparison_strategy (enum rtx_code);
 146 extern void ix86_expand_fp_absneg_operator (enum rtx_code, machine_mode,
 147                                             rtx[]);
 148 extern void ix86_split_fp_absneg_operator (enum rtx_code, machine_mode,
 149                                            rtx[]);
 150 extern void ix86_expand_copysign (rtx []);
 151 extern void ix86_expand_xorsign (rtx []);
 152 extern bool ix86_match_ccmode (rtx, machine_mode);
 153 extern bool ix86_match_ptest_ccmode (rtx);
 154 extern void ix86_expand_branch (enum rtx_code, rtx, rtx, rtx);
 155 extern void ix86_expand_setcc (rtx, enum rtx_code, rtx, rtx);
 156 extern bool ix86_expand_int_movcc (rtx[]);
 157 extern bool ix86_expand_fp_movcc (rtx[]);
 158 extern bool ix86_expand_fp_vcond (rtx[]);
 159 extern bool ix86_expand_int_vcond (rtx[]);
 160 extern void ix86_expand_vec_perm (rtx[]);
 161 extern bool ix86_expand_mask_vec_cmp (rtx, enum rtx_code, rtx, rtx);
 162 extern bool ix86_expand_int_vec_cmp (rtx[]);
 163 extern bool ix86_expand_fp_vec_cmp (rtx[]);
 164 extern void ix86_expand_sse_movcc (rtx, rtx, rtx, rtx);
 165 extern void ix86_expand_sse_extend (rtx, rtx, bool);
 166 extern void ix86_expand_sse_unpack (rtx, rtx, bool, bool);
 167 extern void ix86_expand_fp_spaceship (rtx, rtx, rtx);
 168 extern bool ix86_expand_int_addcc (rtx[]);
 169 extern void ix86_expand_carry (rtx arg);
 170 extern rtx_insn *ix86_expand_call (rtx, rtx, rtx, rtx, rtx, bool);
 171 extern bool ix86_call_use_plt_p (rtx);
 172 extern void ix86_split_call_vzeroupper (rtx, rtx);
 173 extern void x86_initialize_trampoline (rtx, rtx, rtx);
 174 extern rtx ix86_zero_extend_to_Pmode (rtx);
 175 extern void ix86_split_long_move (rtx[]);
 176 extern void ix86_split_ashl (rtx *, rtx, machine_mode);
 177 extern void ix86_split_ashl_ndd (rtx *, rtx);
 178 extern void ix86_split_ashr (rtx *, rtx, machine_mode);
 179 extern void ix86_split_lshr (rtx *, rtx, machine_mode);
 180 extern void ix86_split_rshift_ndd (enum rtx_code, rtx *, rtx);
 181 extern void ix86_expand_v1ti_shift (enum rtx_code, rtx[]);
 182 extern void ix86_expand_v1ti_rotate (enum rtx_code, rtx[]);
 183 extern void ix86_expand_v1ti_ashiftrt (rtx[]);
 184 extern rtx ix86_replace_reg_with_reg (rtx, rtx, rtx);
 185 extern rtx ix86_find_base_term (rtx);
 186 extern bool ix86_check_movabs (rtx, int);
 187 extern bool ix86_check_no_addr_space (rtx);
 188 extern void ix86_split_idivmod (machine_mode, rtx[], bool);
 189 extern bool ix86_hardreg_mov_ok (rtx, rtx);
 190
 191 extern rtx assign_386_stack_local (machine_mode, enum ix86_stack_slot);
 192 extern int ix86_attr_length_immediate_default (rtx_insn *, bool);
 193 extern int ix86_attr_length_address_default (rtx_insn *);
 194 extern int ix86_attr_length_vex_default (rtx_insn *, bool, bool);
 195
 196 extern rtx ix86_libcall_value (machine_mode);
 197 extern bool ix86_function_arg_regno_p (int);
 198 extern void ix86_asm_output_function_label (FILE *, const char *, tree);
 199 extern void ix86_call_abi_override (const_tree);
 200 extern int ix86_reg_parm_stack_space (const_tree);
 201
 202 extern bool ix86_libc_has_function (enum function_class fn_class);
 203
 204 extern void x86_order_regs_for_local_alloc (void);
 205 extern void x86_function_profiler (FILE *, int);
 206 extern void x86_emit_floatuns (rtx [2]);
 207 extern void ix86_emit_fp_unordered_jump (rtx);
 208
 209 extern void ix86_emit_i387_sinh (rtx, rtx);
 210 extern void ix86_emit_i387_cosh (rtx, rtx);
 211 extern void ix86_emit_i387_tanh (rtx, rtx);
 212 extern void ix86_emit_i387_asinh (rtx, rtx);
 213 extern void ix86_emit_i387_acosh (rtx, rtx);
 214 extern void ix86_emit_i387_atanh (rtx, rtx);
 215 extern void ix86_emit_i387_log1p (rtx, rtx);
 216 extern void ix86_emit_i387_round (rtx, rtx);
 217 extern void ix86_emit_swdivsf (rtx, rtx, rtx, machine_mode);
 218 extern void ix86_emit_swsqrtsf (rtx, rtx, machine_mode, bool);
 219
 220 extern enum rtx_code ix86_reverse_condition (enum rtx_code, machine_mode);
 221
 222 extern void ix86_expand_lround (rtx, rtx);
 223 extern void ix86_expand_lfloorceil (rtx, rtx, bool);
 224 extern void ix86_expand_rint (rtx, rtx);
 225 extern void ix86_expand_floorceil (rtx, rtx, bool);
 226 extern void ix86_expand_floorceildf_32 (rtx, rtx, bool);
 227 extern void ix86_expand_trunc (rtx, rtx);
 228 extern void ix86_expand_truncdf_32 (rtx, rtx);
 229 extern void ix86_expand_round (rtx, rtx);
 230 extern void ix86_expand_rounddf_32 (rtx, rtx);
 231 extern void ix86_expand_round_sse4 (rtx, rtx);
 232
 233 extern void ix86_expand_vecop_qihi_partial (enum rtx_code, rtx, rtx, rtx);
 234 extern void ix86_expand_vecop_qihi (enum rtx_code, rtx, rtx, rtx);
 235 extern rtx ix86_split_stack_guard (void);
 236
 237 extern void ix86_move_vector_high_sse_to_mmx (rtx);
 238 extern void ix86_split_mmx_pack (rtx[], enum rtx_code);
 239 extern void ix86_split_mmx_punpck (rtx[], bool);
 240 extern void ix86_expand_avx_vzeroupper (void);
 241 extern void ix86_expand_atomic_fetch_op_loop (rtx, rtx, rtx, enum rtx_code,
 242                                               bool, bool);
 243 extern void ix86_expand_cmpxchg_loop (rtx *, rtx, rtx, rtx, rtx, rtx,
 244                                       bool, rtx_code_label *);
 245 extern rtx ix86_expand_fast_convert_bf_to_sf (rtx);
 246 extern rtx ix86_memtag_untagged_pointer (rtx, rtx);
 247 extern bool ix86_memtag_can_tag_addresses (void);
 248
 249 #ifdef TREE_CODE
 250 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
 251 #endif  /* TREE_CODE  */
 252
 253 #endif  /* RTX_CODE  */
 254
 255 #ifdef TREE_CODE
 256 extern int ix86_data_alignment (tree, unsigned int, bool);
 257 extern unsigned int ix86_local_alignment (tree, machine_mode,
 258                                           unsigned int, bool = false);
 259 extern unsigned int ix86_minimum_alignment (tree, machine_mode,
 260                                             unsigned int);
 261 extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *);
 262 extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *);
 263 extern int x86_field_alignment (tree, int);
 264 extern tree ix86_valid_target_attribute_tree (tree, tree,
 265                                               struct gcc_options *,
 266                                               struct gcc_options *, bool);
 267 extern unsigned int ix86_get_callcvt (const_tree);
 268
 269 #endif
 270
 271 extern rtx ix86_tls_module_base (void);
 272 extern bool ix86_gpr_tls_address_pattern_p (rtx);
 273 extern bool ix86_tls_address_pattern_p (rtx);
 274 extern rtx ix86_rewrite_tls_address (rtx);
 275
 276 extern void ix86_expand_vector_init (bool, rtx, rtx);
 277 extern void ix86_expand_vector_set (bool, rtx, rtx, int);
 278 extern void ix86_expand_vector_set_var (rtx, rtx, rtx);
 279 extern void ix86_expand_vector_extract (bool, rtx, rtx, int);
 280 extern void ix86_expand_reduc (rtx (*)(rtx, rtx, rtx), rtx, rtx);
 281
 282 extern void ix86_expand_vec_extract_even_odd (rtx, rtx, rtx, unsigned);
 283 extern bool ix86_expand_pextr (rtx *);
 284 extern bool ix86_expand_pinsr (rtx *);
 285 extern void ix86_expand_mul_widen_evenodd (rtx, rtx, rtx, bool, bool);
 286 extern void ix86_expand_mul_widen_hilo (rtx, rtx, rtx, bool, bool);
 287 extern void ix86_expand_sse2_mulv4si3 (rtx, rtx, rtx);
 288 extern void ix86_expand_sse2_mulvxdi3 (rtx, rtx, rtx);
 289 extern void ix86_expand_sse2_abs (rtx, rtx);
 290 extern bool ix86_expand_vector_init_duplicate (bool, machine_mode, rtx,
 291                                                rtx);
 292 extern bool ix86_extract_perm_from_pool_constant (int*, rtx);
 293
 294 /* In i386-c.cc  */
 295 extern void ix86_target_macros (void);
 296 extern void ix86_register_pragmas (void);
 297
 298 /* In winnt.cc  */
 299 extern void i386_pe_unique_section (tree, int);
 300 extern void i386_pe_declare_function_type (FILE *, const char *, int);
 301 extern void i386_pe_record_external_function (tree, const char *);
 302 extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int);
 303 extern void i386_pe_encode_section_info (tree, rtx, int);
 304 extern bool i386_pe_binds_local_p (const_tree);
 305 extern const char *i386_pe_strip_name_encoding_full (const char *);
 306 extern bool i386_pe_valid_dllimport_attribute_p (const_tree);
 307 extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
 308 extern void i386_pe_asm_named_section (const char *, unsigned int, tree);
 309 extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree,
 310                                                     const char *,
 311                                                     HOST_WIDE_INT,
 312                                                     HOST_WIDE_INT);
 313 extern void i386_pe_file_end (void);
 314 extern void i386_pe_asm_lto_start (void);
 315 extern void i386_pe_asm_lto_end (void);
 316 extern void i386_pe_start_function (FILE *, const char *, tree);
 317 extern void i386_pe_end_function (FILE *, const char *, tree);
 318 extern void i386_pe_end_cold_function (FILE *, const char *, tree);
 319 extern void i386_pe_assemble_visibility (tree, int);
 320 extern tree i386_pe_mangle_decl_assembler_name (tree, tree);
 321 extern tree i386_pe_mangle_assembler_name (const char *);
 322 extern void i386_pe_record_stub (const char *);
 323
 324 extern void i386_pe_seh_init (FILE *);
 325 extern void i386_pe_seh_end_prologue (FILE *);
 326 extern void i386_pe_seh_cold_init (FILE *, const char *);
 327 extern void i386_pe_seh_unwind_emit (FILE *, rtx_insn *);
 328 extern void i386_pe_seh_emit_except_personality (rtx);
 329 extern void i386_pe_seh_init_sections (void);
 330
 331 /* In winnt-cxx.cc and winnt-stubs.cc  */
 332 extern void i386_pe_adjust_class_at_definition (tree);
 333 extern bool i386_pe_type_dllimport_p (tree);
 334 extern bool i386_pe_type_dllexport_p (tree);
 335
 336 extern int i386_pe_reloc_rw_mask (void);
 337
 338 extern char internal_label_prefix[16];
 339 extern int internal_label_prefix_len;
 340
 341 extern bool ix86_epilogue_uses (int);
 342
 343 struct ix86_address
 344 {
 345   rtx base, index, disp;
 346   HOST_WIDE_INT scale;
 347   addr_space_t seg;
 348 };
 349
 350 extern bool ix86_decompose_address (rtx, struct ix86_address *);
 351 extern int memory_address_length (rtx, bool);
 352 extern void x86_output_aligned_bss (FILE *, tree, const char *,
 353                                     unsigned HOST_WIDE_INT, unsigned);
 354 extern void x86_elf_aligned_decl_common (FILE *, tree, const char *,
 355                                          unsigned HOST_WIDE_INT, unsigned);
 356
 357 #ifdef RTX_CODE
 358 extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *,
 359                                       enum rtx_code *, enum rtx_code *);
 360 extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code);
 361 #endif
 362 extern int asm_preferred_eh_data_format (int, int);
 363
 364 #ifdef HAVE_ATTR_cpu
 365 extern enum attr_cpu ix86_schedule;
 366 #endif
 367
 368 extern const char * ix86_output_call_insn (rtx_insn *insn, rtx call_op);
 369 extern const char * ix86_output_indirect_jmp (rtx call_op);
 370 extern const char * ix86_output_function_return (bool long_p);
 371 extern const char * ix86_output_indirect_function_return (rtx ret_op);
 372 extern void ix86_split_simple_return_pop_internal (rtx);
 373 extern bool ix86_operands_ok_for_move_multiple (rtx *operands, bool load,
 374                                                 machine_mode mode);
 375 extern int ix86_min_insn_size (rtx_insn *);
 376
 377 extern int ix86_issue_rate (void);
 378 extern int ix86_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn,
 379                              int cost, unsigned int);
 380 extern int ia32_multipass_dfa_lookahead (void);
 381 extern bool ix86_macro_fusion_p (void);
 382 extern bool ix86_macro_fusion_pair_p (rtx_insn *condgen, rtx_insn *condjmp);
 383
 384 extern bool ix86_bd_has_dispatch (rtx_insn *insn, int action);
 385 extern void ix86_bd_do_dispatch (rtx_insn *insn, int mode);
 386
 387 extern void ix86_core2i7_init_hooks (void);
 388
 389 extern int ix86_atom_sched_reorder (FILE *, int, rtx_insn **, int *, int);
 390
 391 extern poly_int64 ix86_push_rounding (poly_int64);
 392
 393 #ifdef RTX_CODE
 394 /* Target data for multipass lookahead scheduling.
 395    Currently used for Core 2/i7 tuning.  */
 396 struct ix86_first_cycle_multipass_data_
 397 {
 398   /* The length (in bytes) of ifetch block in this solution.  */
 399   int ifetch_block_len;
 400   /* Number of instructions in ifetch block in this solution.  */
 401   int ifetch_block_n_insns;
 402   /* Bitmap to remember changes to ready_try for backtracking.  */
 403   sbitmap ready_try_change;
 404   /* Size of the bitmap.  */
 405   int ready_try_change_size;
 406 };
 407 # define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T      \
 408   struct ix86_first_cycle_multipass_data_
 409 #endif /* RTX_CODE */
 410
 411 const addr_space_t ADDR_SPACE_SEG_FS = 1;
 412 const addr_space_t ADDR_SPACE_SEG_GS = 2;
 413
 414 namespace gcc { class context; }
 415 class rtl_opt_pass;
 416
 417 extern rtl_opt_pass *make_pass_insert_vzeroupper (gcc::context *);
 418 extern rtl_opt_pass *make_pass_stv (gcc::context *);
 419 extern rtl_opt_pass *make_pass_insert_endbr_and_patchable_area
 420   (gcc::context *);
 421 extern rtl_opt_pass *make_pass_remove_partial_avx_dependency
 422   (gcc::context *);
 423
 424 extern bool ix86_has_no_direct_extern_access;
 425
 426 /* In i386-expand.cc.  */
 427 bool ix86_check_builtin_isa_match (unsigned int, HOST_WIDE_INT*,
 428                                    HOST_WIDE_INT*);