1 | /* Definitions of target machine for GCC for IA-32. |
2 | Copyright (C) 1988-2023 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_maybe_negate_const_int (rtx *, machine_mode); |
70 | extern machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx); |
71 | |
72 | extern int avx_vpermilp_parallel (rtx par, machine_mode mode); |
73 | extern int avx_vperm2f128_parallel (rtx par, machine_mode mode); |
74 | |
75 | extern int vpternlog_redundant_operand_mask (rtx); |
76 | extern void substitute_vpternlog_operands (rtx[]); |
77 | |
78 | extern bool ix86_expand_strlen (rtx, rtx, rtx, rtx); |
79 | extern bool ix86_expand_set_or_cpymem (rtx, rtx, rtx, rtx, rtx, rtx, |
80 | rtx, rtx, rtx, rtx, bool); |
81 | extern bool ix86_expand_cmpstrn_or_cmpmem (rtx, rtx, rtx, rtx, rtx, bool); |
82 | |
83 | extern enum reg_class ix86_insn_base_reg_class (rtx_insn *); |
84 | extern bool ix86_regno_ok_for_insn_base_p (int, rtx_insn *); |
85 | extern enum reg_class ix86_insn_index_reg_class (rtx_insn *); |
86 | extern bool constant_address_p (rtx); |
87 | extern bool legitimate_pic_operand_p (rtx); |
88 | extern bool legitimate_pic_address_disp_p (rtx); |
89 | extern bool ix86_force_load_from_GOT_p (rtx, bool = false); |
90 | extern void print_reg (rtx, int, FILE*); |
91 | extern void ix86_print_operand (FILE *, rtx, int); |
92 | |
93 | extern void split_double_mode (machine_mode, rtx[], int, rtx[], rtx[]); |
94 | extern void split_double_concat (machine_mode, rtx, rtx lo, rtx); |
95 | |
96 | extern const char *output_set_got (rtx, rtx); |
97 | extern const char *output_387_binary_op (rtx_insn *, rtx*); |
98 | extern const char *output_387_reg_move (rtx_insn *, rtx*); |
99 | extern const char *output_fix_trunc (rtx_insn *, rtx*, bool); |
100 | extern const char *output_fp_compare (rtx_insn *, rtx*, bool, bool); |
101 | extern const char *output_adjust_stack_and_probe (rtx); |
102 | extern const char *output_probe_stack_range (rtx, rtx); |
103 | |
104 | extern void ix86_output_patchable_area (unsigned int, bool); |
105 | |
106 | extern void ix86_expand_clear (rtx); |
107 | extern void ix86_expand_move (machine_mode, rtx[]); |
108 | extern void ix86_expand_vector_move (machine_mode, rtx[]); |
109 | extern void ix86_expand_vector_move_misalign (machine_mode, rtx[]); |
110 | extern rtx ix86_fixup_binary_operands (enum rtx_code, |
111 | machine_mode, rtx[]); |
112 | extern void ix86_fixup_binary_operands_no_copy (enum rtx_code, |
113 | machine_mode, rtx[]); |
114 | extern void ix86_expand_binary_operator (enum rtx_code, |
115 | machine_mode, rtx[]); |
116 | extern void ix86_expand_vector_logical_operator (enum rtx_code, |
117 | machine_mode, rtx[]); |
118 | extern bool ix86_binary_operator_ok (enum rtx_code, machine_mode, rtx[3]); |
119 | extern bool ix86_avoid_lea_for_add (rtx_insn *, rtx[]); |
120 | extern bool ix86_use_lea_for_mov (rtx_insn *, rtx[]); |
121 | extern bool ix86_avoid_lea_for_addr (rtx_insn *, rtx[]); |
122 | extern void ix86_split_lea_for_addr (rtx_insn *, rtx[], machine_mode); |
123 | extern bool ix86_lea_for_add_ok (rtx_insn *, rtx[]); |
124 | extern int ix86_last_zero_store_uid; |
125 | extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands[3], bool high); |
126 | extern bool ix86_dep_by_shift_count (const_rtx set_insn, const_rtx use_insn); |
127 | extern bool ix86_agi_dependent (rtx_insn *set_insn, rtx_insn *use_insn); |
128 | extern void ix86_expand_unary_operator (enum rtx_code, machine_mode, |
129 | rtx[]); |
130 | extern rtx ix86_build_const_vector (machine_mode, bool, rtx); |
131 | extern rtx ix86_build_signbit_mask (machine_mode, bool, bool); |
132 | extern HOST_WIDE_INT ix86_convert_const_vector_to_integer (rtx, |
133 | machine_mode); |
134 | extern void ix86_split_convert_uns_si_sse (rtx[]); |
135 | extern void ix86_expand_convert_uns_didf_sse (rtx, rtx); |
136 | extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx); |
137 | extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx); |
138 | extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx); |
139 | extern void ix86_expand_convert_sign_didf_sse (rtx, rtx); |
140 | extern void ix86_expand_vector_convert_uns_vsivsf (rtx, rtx); |
141 | extern rtx ix86_expand_adjust_ufix_to_sfix_si (rtx, rtx *); |
142 | extern enum ix86_fpcmp_strategy ix86_fp_comparison_strategy (enum rtx_code); |
143 | extern void ix86_expand_fp_absneg_operator (enum rtx_code, machine_mode, |
144 | rtx[]); |
145 | extern void ix86_split_fp_absneg_operator (enum rtx_code, machine_mode, |
146 | rtx[]); |
147 | extern void ix86_expand_copysign (rtx []); |
148 | extern void ix86_expand_xorsign (rtx []); |
149 | extern bool ix86_unary_operator_ok (enum rtx_code, machine_mode, rtx[2]); |
150 | extern bool ix86_match_ccmode (rtx, machine_mode); |
151 | extern bool ix86_match_ptest_ccmode (rtx); |
152 | extern void ix86_expand_branch (enum rtx_code, rtx, rtx, rtx); |
153 | extern void ix86_expand_setcc (rtx, enum rtx_code, rtx, rtx); |
154 | extern bool ix86_expand_int_movcc (rtx[]); |
155 | extern bool ix86_expand_fp_movcc (rtx[]); |
156 | extern bool ix86_expand_fp_vcond (rtx[]); |
157 | extern bool ix86_expand_int_vcond (rtx[]); |
158 | extern void ix86_expand_vec_perm (rtx[]); |
159 | extern bool ix86_expand_mask_vec_cmp (rtx, enum rtx_code, rtx, rtx); |
160 | extern bool ix86_expand_int_vec_cmp (rtx[]); |
161 | extern bool ix86_expand_fp_vec_cmp (rtx[]); |
162 | extern void ix86_expand_sse_movcc (rtx, rtx, rtx, rtx); |
163 | extern void ix86_expand_sse_extend (rtx, rtx, bool); |
164 | extern void ix86_expand_sse_unpack (rtx, rtx, bool, bool); |
165 | extern void ix86_expand_fp_spaceship (rtx, rtx, rtx); |
166 | extern bool ix86_expand_int_addcc (rtx[]); |
167 | extern void ix86_expand_carry (rtx arg); |
168 | extern rtx_insn *ix86_expand_call (rtx, rtx, rtx, rtx, rtx, bool); |
169 | extern bool ix86_call_use_plt_p (rtx); |
170 | extern void ix86_split_call_vzeroupper (rtx, rtx); |
171 | extern void x86_initialize_trampoline (rtx, rtx, rtx); |
172 | extern rtx ix86_zero_extend_to_Pmode (rtx); |
173 | extern void ix86_split_long_move (rtx[]); |
174 | extern void ix86_split_ashl (rtx *, rtx, machine_mode); |
175 | extern void ix86_split_ashr (rtx *, rtx, machine_mode); |
176 | extern void ix86_split_lshr (rtx *, rtx, machine_mode); |
177 | extern void ix86_expand_v1ti_shift (enum rtx_code, rtx[]); |
178 | extern void ix86_expand_v1ti_rotate (enum rtx_code, rtx[]); |
179 | extern void ix86_expand_v1ti_ashiftrt (rtx[]); |
180 | extern rtx ix86_replace_reg_with_reg (rtx, rtx, rtx); |
181 | extern rtx ix86_find_base_term (rtx); |
182 | extern bool ix86_check_movabs (rtx, int); |
183 | extern bool ix86_check_no_addr_space (rtx); |
184 | extern void ix86_split_idivmod (machine_mode, rtx[], bool); |
185 | extern bool ix86_hardreg_mov_ok (rtx, rtx); |
186 | |
187 | extern rtx assign_386_stack_local (machine_mode, enum ix86_stack_slot); |
188 | extern int ix86_attr_length_immediate_default (rtx_insn *, bool); |
189 | extern int ix86_attr_length_address_default (rtx_insn *); |
190 | extern int ix86_attr_length_vex_default (rtx_insn *, bool, bool); |
191 | |
192 | extern rtx ix86_libcall_value (machine_mode); |
193 | extern bool ix86_function_arg_regno_p (int); |
194 | extern void ix86_asm_output_function_label (FILE *, const char *, tree); |
195 | extern void ix86_call_abi_override (const_tree); |
196 | extern int ix86_reg_parm_stack_space (const_tree); |
197 | |
198 | extern bool ix86_libc_has_function (enum function_class fn_class); |
199 | |
200 | extern void x86_order_regs_for_local_alloc (void); |
201 | extern void x86_function_profiler (FILE *, int); |
202 | extern void x86_emit_floatuns (rtx [2]); |
203 | extern void ix86_emit_fp_unordered_jump (rtx); |
204 | |
205 | extern void ix86_emit_i387_sinh (rtx, rtx); |
206 | extern void ix86_emit_i387_cosh (rtx, rtx); |
207 | extern void ix86_emit_i387_tanh (rtx, rtx); |
208 | extern void ix86_emit_i387_asinh (rtx, rtx); |
209 | extern void ix86_emit_i387_acosh (rtx, rtx); |
210 | extern void ix86_emit_i387_atanh (rtx, rtx); |
211 | extern void ix86_emit_i387_log1p (rtx, rtx); |
212 | extern void ix86_emit_i387_round (rtx, rtx); |
213 | extern void ix86_emit_swdivsf (rtx, rtx, rtx, machine_mode); |
214 | extern void ix86_emit_swsqrtsf (rtx, rtx, machine_mode, bool); |
215 | |
216 | extern enum rtx_code ix86_reverse_condition (enum rtx_code, machine_mode); |
217 | |
218 | extern void ix86_expand_lround (rtx, rtx); |
219 | extern void ix86_expand_lfloorceil (rtx, rtx, bool); |
220 | extern void ix86_expand_rint (rtx, rtx); |
221 | extern void ix86_expand_floorceil (rtx, rtx, bool); |
222 | extern void ix86_expand_floorceildf_32 (rtx, rtx, bool); |
223 | extern void ix86_expand_trunc (rtx, rtx); |
224 | extern void ix86_expand_truncdf_32 (rtx, rtx); |
225 | extern void ix86_expand_round (rtx, rtx); |
226 | extern void ix86_expand_rounddf_32 (rtx, rtx); |
227 | extern void ix86_expand_round_sse4 (rtx, rtx); |
228 | |
229 | extern void ix86_expand_vecop_qihi_partial (enum rtx_code, rtx, rtx, rtx); |
230 | extern void ix86_expand_vecop_qihi (enum rtx_code, rtx, rtx, rtx); |
231 | extern rtx ix86_split_stack_guard (void); |
232 | |
233 | extern void ix86_move_vector_high_sse_to_mmx (rtx); |
234 | extern void ix86_split_mmx_pack (rtx[], enum rtx_code); |
235 | extern void ix86_split_mmx_punpck (rtx[], bool); |
236 | extern void ix86_expand_avx_vzeroupper (void); |
237 | extern void ix86_expand_atomic_fetch_op_loop (rtx, rtx, rtx, enum rtx_code, |
238 | bool, bool); |
239 | extern void ix86_expand_cmpxchg_loop (rtx *, rtx, rtx, rtx, rtx, rtx, |
240 | bool, rtx_code_label *); |
241 | extern rtx ix86_expand_fast_convert_bf_to_sf (rtx); |
242 | extern rtx ix86_memtag_untagged_pointer (rtx, rtx); |
243 | extern bool ix86_memtag_can_tag_addresses (void); |
244 | |
245 | #ifdef TREE_CODE |
246 | extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int); |
247 | #endif /* TREE_CODE */ |
248 | |
249 | #endif /* RTX_CODE */ |
250 | |
251 | #ifdef TREE_CODE |
252 | extern int ix86_data_alignment (tree, unsigned int, bool); |
253 | extern unsigned int ix86_local_alignment (tree, machine_mode, |
254 | unsigned int, bool = false); |
255 | extern unsigned int ix86_minimum_alignment (tree, machine_mode, |
256 | unsigned int); |
257 | extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *); |
258 | extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *); |
259 | extern int x86_field_alignment (tree, int); |
260 | extern tree ix86_valid_target_attribute_tree (tree, tree, |
261 | struct gcc_options *, |
262 | struct gcc_options *, bool); |
263 | extern unsigned int ix86_get_callcvt (const_tree); |
264 | |
265 | #endif |
266 | |
267 | extern rtx ix86_tls_module_base (void); |
268 | extern bool ix86_gpr_tls_address_pattern_p (rtx); |
269 | extern bool ix86_tls_address_pattern_p (rtx); |
270 | extern rtx ix86_rewrite_tls_address (rtx); |
271 | |
272 | extern void ix86_expand_vector_init (bool, rtx, rtx); |
273 | extern void ix86_expand_vector_set (bool, rtx, rtx, int); |
274 | extern void ix86_expand_vector_set_var (rtx, rtx, rtx); |
275 | extern void ix86_expand_vector_extract (bool, rtx, rtx, int); |
276 | extern void ix86_expand_reduc (rtx (*)(rtx, rtx, rtx), rtx, rtx); |
277 | |
278 | extern void ix86_expand_vec_extract_even_odd (rtx, rtx, rtx, unsigned); |
279 | extern bool ix86_expand_pextr (rtx *); |
280 | extern bool ix86_expand_pinsr (rtx *); |
281 | extern void ix86_expand_mul_widen_evenodd (rtx, rtx, rtx, bool, bool); |
282 | extern void ix86_expand_mul_widen_hilo (rtx, rtx, rtx, bool, bool); |
283 | extern void ix86_expand_sse2_mulv4si3 (rtx, rtx, rtx); |
284 | extern void ix86_expand_sse2_mulvxdi3 (rtx, rtx, rtx); |
285 | extern void ix86_expand_sse2_abs (rtx, rtx); |
286 | extern bool ix86_expand_vector_init_duplicate (bool, machine_mode, rtx, |
287 | rtx); |
288 | extern bool (int*, rtx); |
289 | |
290 | /* In i386-c.cc */ |
291 | extern void ix86_target_macros (void); |
292 | extern void ix86_register_pragmas (void); |
293 | |
294 | /* In winnt.cc */ |
295 | extern void i386_pe_unique_section (tree, int); |
296 | extern void i386_pe_declare_function_type (FILE *, const char *, int); |
297 | extern void i386_pe_record_external_function (tree, const char *); |
298 | extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int); |
299 | extern void i386_pe_encode_section_info (tree, rtx, int); |
300 | extern bool i386_pe_binds_local_p (const_tree); |
301 | extern const char *i386_pe_strip_name_encoding_full (const char *); |
302 | extern bool i386_pe_valid_dllimport_attribute_p (const_tree); |
303 | extern unsigned int i386_pe_section_type_flags (tree, const char *, int); |
304 | extern void i386_pe_asm_named_section (const char *, unsigned int, tree); |
305 | extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree, |
306 | const char *, |
307 | HOST_WIDE_INT, |
308 | HOST_WIDE_INT); |
309 | extern void i386_pe_file_end (void); |
310 | extern void i386_pe_asm_lto_start (void); |
311 | extern void i386_pe_asm_lto_end (void); |
312 | extern void i386_pe_start_function (FILE *, const char *, tree); |
313 | extern void i386_pe_end_function (FILE *, const char *, tree); |
314 | extern void i386_pe_end_cold_function (FILE *, const char *, tree); |
315 | extern void i386_pe_assemble_visibility (tree, int); |
316 | extern tree i386_pe_mangle_decl_assembler_name (tree, tree); |
317 | extern tree i386_pe_mangle_assembler_name (const char *); |
318 | extern void i386_pe_record_stub (const char *); |
319 | |
320 | extern void i386_pe_seh_init (FILE *); |
321 | extern void i386_pe_seh_end_prologue (FILE *); |
322 | extern void i386_pe_seh_cold_init (FILE *, const char *); |
323 | extern void i386_pe_seh_unwind_emit (FILE *, rtx_insn *); |
324 | extern void i386_pe_seh_emit_except_personality (rtx); |
325 | extern void i386_pe_seh_init_sections (void); |
326 | |
327 | /* In winnt-cxx.cc and winnt-stubs.cc */ |
328 | extern void i386_pe_adjust_class_at_definition (tree); |
329 | extern bool i386_pe_type_dllimport_p (tree); |
330 | extern bool i386_pe_type_dllexport_p (tree); |
331 | |
332 | extern int i386_pe_reloc_rw_mask (void); |
333 | |
334 | extern char internal_label_prefix[16]; |
335 | extern int internal_label_prefix_len; |
336 | |
337 | extern bool ix86_epilogue_uses (int); |
338 | |
339 | struct ix86_address |
340 | { |
341 | rtx base, index, disp; |
342 | HOST_WIDE_INT scale; |
343 | addr_space_t seg; |
344 | }; |
345 | |
346 | extern bool ix86_decompose_address (rtx, struct ix86_address *); |
347 | extern int memory_address_length (rtx, bool); |
348 | extern void x86_output_aligned_bss (FILE *, tree, const char *, |
349 | unsigned HOST_WIDE_INT, unsigned); |
350 | extern void x86_elf_aligned_decl_common (FILE *, tree, const char *, |
351 | unsigned HOST_WIDE_INT, unsigned); |
352 | |
353 | #ifdef RTX_CODE |
354 | extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *, |
355 | enum rtx_code *, enum rtx_code *); |
356 | extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code); |
357 | #endif |
358 | extern int asm_preferred_eh_data_format (int, int); |
359 | |
360 | #ifdef HAVE_ATTR_cpu |
361 | extern enum attr_cpu ix86_schedule; |
362 | #endif |
363 | |
364 | extern const char * ix86_output_call_insn (rtx_insn *insn, rtx call_op); |
365 | extern const char * ix86_output_indirect_jmp (rtx call_op); |
366 | extern const char * ix86_output_function_return (bool long_p); |
367 | extern const char * ix86_output_indirect_function_return (rtx ret_op); |
368 | extern void ix86_split_simple_return_pop_internal (rtx); |
369 | extern bool ix86_operands_ok_for_move_multiple (rtx *operands, bool load, |
370 | machine_mode mode); |
371 | extern int ix86_min_insn_size (rtx_insn *); |
372 | |
373 | extern int ix86_issue_rate (void); |
374 | extern int ix86_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, |
375 | int cost, unsigned int); |
376 | extern int ia32_multipass_dfa_lookahead (void); |
377 | extern bool ix86_macro_fusion_p (void); |
378 | extern bool ix86_macro_fusion_pair_p (rtx_insn *condgen, rtx_insn *condjmp); |
379 | |
380 | extern bool ix86_bd_has_dispatch (rtx_insn *insn, int action); |
381 | extern void ix86_bd_do_dispatch (rtx_insn *insn, int mode); |
382 | |
383 | extern void ix86_core2i7_init_hooks (void); |
384 | |
385 | extern int ix86_atom_sched_reorder (FILE *, int, rtx_insn **, int *, int); |
386 | |
387 | extern poly_int64 ix86_push_rounding (poly_int64); |
388 | |
389 | #ifdef RTX_CODE |
390 | /* Target data for multipass lookahead scheduling. |
391 | Currently used for Core 2/i7 tuning. */ |
392 | struct ix86_first_cycle_multipass_data_ |
393 | { |
394 | /* The length (in bytes) of ifetch block in this solution. */ |
395 | int ifetch_block_len; |
396 | /* Number of instructions in ifetch block in this solution. */ |
397 | int ifetch_block_n_insns; |
398 | /* Bitmap to remember changes to ready_try for backtracking. */ |
399 | sbitmap ready_try_change; |
400 | /* Size of the bitmap. */ |
401 | int ready_try_change_size; |
402 | }; |
403 | # define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T \ |
404 | struct ix86_first_cycle_multipass_data_ |
405 | #endif /* RTX_CODE */ |
406 | |
407 | const addr_space_t ADDR_SPACE_SEG_FS = 1; |
408 | const addr_space_t ADDR_SPACE_SEG_GS = 2; |
409 | |
410 | namespace gcc { class context; } |
411 | class rtl_opt_pass; |
412 | |
413 | extern rtl_opt_pass *make_pass_insert_vzeroupper (gcc::context *); |
414 | extern rtl_opt_pass *make_pass_stv (gcc::context *); |
415 | extern rtl_opt_pass *make_pass_insert_endbr_and_patchable_area |
416 | (gcc::context *); |
417 | extern rtl_opt_pass *make_pass_remove_partial_avx_dependency |
418 | (gcc::context *); |
419 | |
420 | extern bool ix86_has_no_direct_extern_access; |
421 | |
422 | /* In i386-expand.cc. */ |
423 | bool ix86_check_builtin_isa_match (unsigned int, HOST_WIDE_INT*, |
424 | HOST_WIDE_INT*); |
425 | |