projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 188fc5b5 | 1 | /* Definitions of target machine for GCC for IA-32. |
| cbe34bb5 | 2 | Copyright (C) 1988-2017 Free Software Foundation, Inc. |
| 6baf1cc8 | 3 | |
| 188fc5b5 | 4 | This file is part of GCC. |
| 6baf1cc8 | 5 | |
| 188fc5b5 | 6 | GCC is free software; you can redistribute it and/or modify |
| 6baf1cc8 | 7 | it under the terms of the GNU General Public License as published by |
| 2f83c7d6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
| 6baf1cc8 BS |
9 | any later version. |
| 10 | ||
| 188fc5b5 | 11 | GCC is distributed in the hope that it will be useful, |
| 6baf1cc8 BS |
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 | |
| 2f83c7d6 NC |
17 | along with GCC; see the file COPYING3. If not see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 6baf1cc8 | 19 | |
| 677f3fa8 JM |
20 | /* In i386-common.c. */ |
| 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 | ||
| 6baf1cc8 | 26 | /* Functions in i386.c */ |
| 2de710b9 | 27 | extern bool ix86_target_stack_probe (void); |
| 19ed9d7b | 28 | extern bool ix86_can_use_return_insn_p (void); |
| b96a374d | 29 | extern void ix86_setup_frame_addresses (void); |
| 6baf1cc8 | 30 | |
| b96a374d AJ |
31 | extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int); |
| 32 | extern void ix86_expand_prologue (void); | |
| 292b4434 | 33 | extern void ix86_maybe_emit_epilogue_vzeroupper (void); |
| b96a374d | 34 | extern void ix86_expand_epilogue (int); |
| 7458026b | 35 | extern void ix86_expand_split_stack_prologue (void); |
| 6baf1cc8 | 36 | |
| b96a374d AJ |
37 | extern void ix86_output_addr_vec_elt (FILE *, int); |
| 38 | extern void ix86_output_addr_diff_elt (FILE *, int, int); | |
| f88c65f7 | 39 | |
| 237e9c04 RH |
40 | extern enum calling_abi ix86_cfun_abi (void); |
| 41 | extern enum calling_abi ix86_function_type_abi (const_tree); | |
| 42 | ||
| d290bb1d IE |
43 | extern bool ix86_use_pseudo_pic_reg (void); |
| 44 | ||
| 97db2bf7 ST |
45 | extern void ix86_reset_previous_fndecl (void); |
| 46 | ||
| 10e547d6 BS |
47 | extern bool ix86_using_red_zone (void); |
| 48 | ||
| 6baf1cc8 | 49 | #ifdef RTX_CODE |
| b96a374d AJ |
50 | extern int standard_80387_constant_p (rtx); |
| 51 | extern const char *standard_80387_constant_opcode (rtx); | |
| 52 | extern rtx standard_80387_constant_rtx (int); | |
| 55284a77 | 53 | extern int standard_sse_constant_p (rtx, machine_mode); |
| 84034c69 | 54 | extern const char *standard_sse_constant_opcode (rtx_insn *, rtx); |
| 38302a21 | 55 | extern bool ix86_standard_x87sse_constant_load_p (const rtx_insn *, rtx); |
| 19ed9d7b | 56 | extern bool symbolic_reference_mentioned_p (rtx); |
| b96a374d | 57 | extern bool extended_reg_mentioned_p (rtx); |
| 647d790d | 58 | extern bool x86_extended_QIreg_mentioned_p (rtx_insn *); |
| b96a374d | 59 | extern bool x86_extended_reg_mentioned_p (rtx); |
| ef4bddc2 RS |
60 | extern bool x86_maybe_negate_const_int (rtx *, machine_mode); |
| 61 | extern machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx); | |
| b96a374d | 62 | |
| ef4bddc2 RS |
63 | extern int avx_vpermilp_parallel (rtx par, machine_mode mode); |
| 64 | extern int avx_vperm2f128_parallel (rtx par, machine_mode mode); | |
| 8a67ca92 | 65 | |
| 19ed9d7b | 66 | extern bool ix86_expand_strlen (rtx, rtx, rtx, rtx); |
| 3918b108 | 67 | extern bool ix86_expand_set_or_movmem (rtx, rtx, rtx, rtx, rtx, rtx, |
| 82bb7d4e | 68 | rtx, rtx, rtx, rtx, bool); |
| b96a374d | 69 | |
| b96a374d AJ |
70 | extern bool constant_address_p (rtx); |
| 71 | extern bool legitimate_pic_operand_p (rtx); | |
| 19ed9d7b | 72 | extern bool legitimate_pic_address_disp_p (rtx); |
| e3d62871 | 73 | extern bool ix86_force_load_from_GOT_p (rtx); |
| b96a374d | 74 | extern void print_reg (rtx, int, FILE*); |
| 6b3c42ae | 75 | extern void ix86_print_operand (FILE *, rtx, int); |
| b96a374d | 76 | |
| ef4bddc2 | 77 | extern void split_double_mode (machine_mode, rtx[], int, rtx[], rtx[]); |
| b96a374d | 78 | |
| 7d072037 | 79 | extern const char *output_set_got (rtx, rtx); |
| d8485bdb TS |
80 | extern const char *output_387_binary_op (rtx_insn *, rtx*); |
| 81 | extern const char *output_387_reg_move (rtx_insn *, rtx*); | |
| 84034c69 | 82 | extern const char *output_fix_trunc (rtx_insn *, rtx*, bool); |
| d8485bdb | 83 | extern const char *output_fp_compare (rtx_insn *, rtx*, bool, bool); |
| 2de710b9 EB |
84 | extern const char *output_adjust_stack_and_probe (rtx); |
| 85 | extern const char *output_probe_stack_range (rtx, rtx); | |
| b96a374d | 86 | |
| b96a374d | 87 | extern void ix86_expand_clear (rtx); |
| ef4bddc2 RS |
88 | extern void ix86_expand_move (machine_mode, rtx[]); |
| 89 | extern void ix86_expand_vector_move (machine_mode, rtx[]); | |
| 90 | extern void ix86_expand_vector_move_misalign (machine_mode, rtx[]); | |
| ef719a44 | 91 | extern rtx ix86_fixup_binary_operands (enum rtx_code, |
| ef4bddc2 | 92 | machine_mode, rtx[]); |
| ef719a44 | 93 | extern void ix86_fixup_binary_operands_no_copy (enum rtx_code, |
| ef4bddc2 | 94 | machine_mode, rtx[]); |
| b96a374d | 95 | extern void ix86_expand_binary_operator (enum rtx_code, |
| ef4bddc2 | 96 | machine_mode, rtx[]); |
| 42bace41 | 97 | extern void ix86_expand_vector_logical_operator (enum rtx_code, |
| ef4bddc2 RS |
98 | machine_mode, rtx[]); |
| 99 | extern bool ix86_binary_operator_ok (enum rtx_code, machine_mode, rtx[]); | |
| 612b40cf DM |
100 | extern bool ix86_avoid_lea_for_add (rtx_insn *, rtx[]); |
| 101 | extern bool ix86_use_lea_for_mov (rtx_insn *, rtx[]); | |
| 102 | extern bool ix86_avoid_lea_for_addr (rtx_insn *, rtx[]); | |
| ef4bddc2 | 103 | extern void ix86_split_lea_for_addr (rtx_insn *, rtx[], machine_mode); |
| 612b40cf | 104 | extern bool ix86_lea_for_add_ok (rtx_insn *, rtx[]); |
| 5e04b3b6 | 105 | extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands[3], bool high); |
| 6ff078d4 | 106 | extern bool ix86_dep_by_shift_count (const_rtx set_insn, const_rtx use_insn); |
| 647d790d | 107 | extern bool ix86_agi_dependent (rtx_insn *set_insn, rtx_insn *use_insn); |
| ef4bddc2 | 108 | extern void ix86_expand_unary_operator (enum rtx_code, machine_mode, |
| b96a374d | 109 | rtx[]); |
| ef4bddc2 RS |
110 | extern rtx ix86_build_const_vector (machine_mode, bool, rtx); |
| 111 | extern rtx ix86_build_signbit_mask (machine_mode, bool, bool); | |
| 174c12c7 | 112 | extern void ix86_split_convert_uns_si_sse (rtx[]); |
| ebff937c | 113 | extern void ix86_expand_convert_uns_didf_sse (rtx, rtx); |
| 7fb1431b | 114 | extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx); |
| ebff937c SH |
115 | extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx); |
| 116 | extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx); | |
| 117 | extern void ix86_expand_convert_sign_didf_sse (rtx, rtx); | |
| 635c6321 | 118 | extern void ix86_expand_vector_convert_uns_vsivsf (rtx, rtx); |
| 2f2da9e9 | 119 | extern rtx ix86_expand_adjust_ufix_to_sfix_si (rtx, rtx *); |
| 0948ccb2 | 120 | extern enum ix86_fpcmp_strategy ix86_fp_comparison_strategy (enum rtx_code); |
| ef4bddc2 | 121 | extern void ix86_expand_fp_absneg_operator (enum rtx_code, machine_mode, |
| 7cacf53e | 122 | rtx[]); |
| b99d6d2b RH |
123 | extern void ix86_expand_copysign (rtx []); |
| 124 | extern void ix86_split_copysign_const (rtx []); | |
| 125 | extern void ix86_split_copysign_var (rtx []); | |
| ef4bddc2 RS |
126 | extern bool ix86_unary_operator_ok (enum rtx_code, machine_mode, rtx[]); |
| 127 | extern bool ix86_match_ccmode (rtx, machine_mode); | |
| dc91d892 UB |
128 | extern void ix86_expand_branch (enum rtx_code, rtx, rtx, rtx); |
| 129 | extern void ix86_expand_setcc (rtx, enum rtx_code, rtx, rtx); | |
| 19ed9d7b UB |
130 | extern bool ix86_expand_int_movcc (rtx[]); |
| 131 | extern bool ix86_expand_fp_movcc (rtx[]); | |
| ae46a07a | 132 | extern bool ix86_expand_fp_vcond (rtx[]); |
| 9fb93f89 | 133 | extern bool ix86_expand_int_vcond (rtx[]); |
| 2205ed25 | 134 | extern void ix86_expand_vec_perm (rtx[]); |
| 0772d476 | 135 | extern bool ix86_expand_vec_perm_const (rtx[]); |
| 42fd8198 IE |
136 | extern bool ix86_expand_mask_vec_cmp (rtx[]); |
| 137 | extern bool ix86_expand_int_vec_cmp (rtx[]); | |
| 138 | extern bool ix86_expand_fp_vec_cmp (rtx[]); | |
| f79fe06f | 139 | extern void ix86_expand_sse_movcc (rtx, rtx, rtx, rtx); |
| 7b532118 | 140 | extern void ix86_expand_sse_unpack (rtx, rtx, bool, bool); |
| 19ed9d7b | 141 | extern bool ix86_expand_int_addcc (rtx[]); |
| d9403b0d | 142 | extern rtx ix86_expand_call (rtx, rtx, rtx, rtx, rtx, bool); |
| cfec3a7c | 143 | extern void ix86_split_call_vzeroupper (rtx, rtx); |
| b96a374d AJ |
144 | extern void x86_initialize_trampoline (rtx, rtx, rtx); |
| 145 | extern rtx ix86_zero_extend_to_Pmode (rtx); | |
| 146 | extern void ix86_split_long_move (rtx[]); | |
| ef4bddc2 RS |
147 | extern void ix86_split_ashl (rtx *, rtx, machine_mode); |
| 148 | extern void ix86_split_ashr (rtx *, rtx, machine_mode); | |
| 149 | extern void ix86_split_lshr (rtx *, rtx, machine_mode); | |
| b96a374d | 150 | extern rtx ix86_find_base_term (rtx); |
| 19ed9d7b | 151 | extern bool ix86_check_movabs (rtx, int); |
| 16734677 | 152 | extern bool ix86_check_no_addr_space (rtx); |
| ef4bddc2 | 153 | extern void ix86_split_idivmod (machine_mode, rtx[], bool); |
| b96a374d | 154 | |
| ef4bddc2 | 155 | extern rtx assign_386_stack_local (machine_mode, enum ix86_stack_slot); |
| 647d790d DM |
156 | extern int ix86_attr_length_immediate_default (rtx_insn *, bool); |
| 157 | extern int ix86_attr_length_address_default (rtx_insn *); | |
| 158 | extern int ix86_attr_length_vex_default (rtx_insn *, bool, bool); | |
| b96a374d | 159 | |
| ef4bddc2 | 160 | extern machine_mode ix86_fp_compare_mode (enum rtx_code); |
| b96a374d | 161 | |
| ef4bddc2 | 162 | extern rtx ix86_libcall_value (machine_mode); |
| b96a374d | 163 | extern bool ix86_function_arg_regno_p (int); |
| 135a687e | 164 | extern void ix86_asm_output_function_label (FILE *, const char *, tree); |
| 7c800926 | 165 | extern void ix86_call_abi_override (const_tree); |
| 8a762fcb | 166 | extern int ix86_reg_parm_stack_space (const_tree); |
| 7c800926 | 167 | |
| 7c82106f | 168 | extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx, |
| 3386d77e | 169 | rtx, rtx, rtx); |
| ef4bddc2 RS |
170 | extern bool ix86_hard_regno_mode_ok (int, machine_mode); |
| 171 | extern bool ix86_modes_tieable_p (machine_mode, machine_mode); | |
| 19ed9d7b | 172 | extern bool ix86_secondary_memory_needed (enum reg_class, enum reg_class, |
| ef4bddc2 RS |
173 | machine_mode, int); |
| 174 | extern bool ix86_cannot_change_mode_class (machine_mode, | |
| 175 | machine_mode, enum reg_class); | |
| ff97910d | 176 | |
| d33d9e47 AI |
177 | extern bool ix86_libc_has_function (enum function_class fn_class); |
| 178 | ||
| b96a374d AJ |
179 | extern void x86_order_regs_for_local_alloc (void); |
| 180 | extern void x86_function_profiler (FILE *, int); | |
| 181 | extern void x86_emit_floatuns (rtx [2]); | |
| 5ae27cfa | 182 | extern void ix86_emit_fp_unordered_jump (rtx); |
| 397be6cf | 183 | |
| c2fcfa4f | 184 | extern void ix86_emit_i387_log1p (rtx, rtx); |
| 2813f1b1 | 185 | extern void ix86_emit_i387_round (rtx, rtx); |
| ef4bddc2 RS |
186 | extern void ix86_emit_swdivsf (rtx, rtx, rtx, machine_mode); |
| 187 | extern void ix86_emit_swsqrtsf (rtx, rtx, machine_mode, bool); | |
| c2fcfa4f | 188 | |
| ef4bddc2 | 189 | extern enum rtx_code ix86_reverse_condition (enum rtx_code, machine_mode); |
| 4211a8fb | 190 | |
| 4d81bf84 | 191 | extern void ix86_expand_lround (rtx, rtx); |
| c3a4177f | 192 | extern void ix86_expand_lfloorceil (rtx, rtx, bool); |
| c7d32ff6 | 193 | extern void ix86_expand_rint (rtx, rtx); |
| d096ecdd RG |
194 | extern void ix86_expand_floorceil (rtx, rtx, bool); |
| 195 | extern void ix86_expand_floorceildf_32 (rtx, rtx, bool); | |
| f4ab7b99 | 196 | extern void ix86_expand_round_sse4 (rtx, rtx); |
| 097f2964 RG |
197 | extern void ix86_expand_round (rtx, rtx); |
| 198 | extern void ix86_expand_rounddf_32 (rtx, rtx); | |
| 044928d6 RG |
199 | extern void ix86_expand_trunc (rtx, rtx); |
| 200 | extern void ix86_expand_truncdf_32 (rtx, rtx); | |
| 4d81bf84 | 201 | |
| 77a3dbf6 RH |
202 | extern void ix86_expand_vecop_qihi (enum rtx_code, rtx, rtx, rtx); |
| 203 | ||
| 6baf1cc8 | 204 | #ifdef TREE_CODE |
| 2767a7f2 | 205 | extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int); |
| d347d97e | 206 | #endif /* TREE_CODE */ |
| 6baf1cc8 | 207 | |
| d347d97e | 208 | #endif /* RTX_CODE */ |
| 6baf1cc8 BS |
209 | |
| 210 | #ifdef TREE_CODE | |
| df8a1d28 | 211 | extern int ix86_data_alignment (tree, int, bool); |
| ef4bddc2 | 212 | extern unsigned int ix86_local_alignment (tree, machine_mode, |
| 76fe54f0 | 213 | unsigned int); |
| ef4bddc2 | 214 | extern unsigned int ix86_minimum_alignment (tree, machine_mode, |
| ae58e548 | 215 | unsigned int); |
| b96a374d | 216 | extern int ix86_constant_alignment (tree, int); |
| b96a374d | 217 | extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *); |
| 5656a184 | 218 | extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *); |
| b96a374d | 219 | extern int x86_field_alignment (tree, int); |
| bf7b5747 ST |
220 | extern tree ix86_valid_target_attribute_tree (tree, |
| 221 | struct gcc_options *, | |
| 222 | struct gcc_options *); | |
| b8ce4e94 KT |
223 | extern unsigned int ix86_get_callcvt (const_tree); |
| 224 | ||
| 6baf1cc8 | 225 | #endif |
| 772c5265 | 226 | |
| 5bf5a10b | 227 | extern rtx ix86_tls_module_base (void); |
| f996902d | 228 | |
| eb701deb RH |
229 | extern void ix86_expand_vector_init (bool, rtx, rtx); |
| 230 | extern void ix86_expand_vector_set (bool, rtx, rtx, int); | |
| 231 | extern void ix86_expand_vector_extract (bool, rtx, rtx, int); | |
| c0b0ee6f | 232 | extern void ix86_expand_reduc (rtx (*)(rtx, rtx, rtx), rtx, rtx); |
| eb701deb | 233 | |
| 0fac5151 | 234 | extern void ix86_expand_vec_extract_even_odd (rtx, rtx, rtx, unsigned); |
| baca1278 | 235 | extern bool ix86_expand_pextr (rtx *); |
| 3b84d61f | 236 | extern bool ix86_expand_pinsr (rtx *); |
| ac357108 RH |
237 | extern void ix86_expand_mul_widen_evenodd (rtx, rtx, rtx, bool, bool); |
| 238 | extern void ix86_expand_mul_widen_hilo (rtx, rtx, rtx, bool, bool); | |
| 73e9d637 | 239 | extern void ix86_expand_sse2_mulv4si3 (rtx, rtx, rtx); |
| 298301d9 | 240 | extern void ix86_expand_sse2_mulvxdi3 (rtx, rtx, rtx); |
| 8f24613d | 241 | extern void ix86_expand_sse2_abs (rtx, rtx); |
| 0fac5151 | 242 | |
| d5e254e1 IE |
243 | extern bool ix86_bnd_prefixed_insn_p (rtx); |
| 244 | ||
| ab442df7 MM |
245 | /* In i386-c.c */ |
| 246 | extern void ix86_target_macros (void); | |
| 247 | extern void ix86_register_pragmas (void); | |
| 248 | ||
| 772c5265 | 249 | /* In winnt.c */ |
| b96a374d AJ |
250 | extern void i386_pe_unique_section (tree, int); |
| 251 | extern void i386_pe_declare_function_type (FILE *, const char *, int); | |
| 3ce9c824 | 252 | extern void i386_pe_record_external_function (tree, const char *); |
| da489f73 | 253 | extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int); |
| b96a374d | 254 | extern void i386_pe_encode_section_info (tree, rtx, int); |
| 3101faab | 255 | extern bool i386_pe_binds_local_p (const_tree); |
| b96a374d | 256 | extern const char *i386_pe_strip_name_encoding_full (const char *); |
| 3101faab | 257 | extern bool i386_pe_valid_dllimport_attribute_p (const_tree); |
| da489f73 RH |
258 | extern unsigned int i386_pe_section_type_flags (tree, const char *, int); |
| 259 | extern void i386_pe_asm_named_section (const char *, unsigned int, tree); | |
| 260 | extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree, | |
| 261 | const char *, | |
| 262 | HOST_WIDE_INT, | |
| 263 | HOST_WIDE_INT); | |
| 264 | extern void i386_pe_file_end (void); | |
| f81c9774 RH |
265 | extern void i386_pe_start_function (FILE *, const char *, tree); |
| 266 | extern void i386_pe_end_function (FILE *, const char *, tree); | |
| a2b63a20 | 267 | extern void i386_pe_assemble_visibility (tree, int); |
| 5234b8f5 | 268 | extern tree i386_pe_mangle_decl_assembler_name (tree, tree); |
| 77754180 | 269 | extern tree i386_pe_mangle_assembler_name (const char *); |
| 82c0e1a0 | 270 | extern void i386_pe_record_stub (const char *); |
| 43d9ad1d | 271 | |
| f81c9774 RH |
272 | extern void i386_pe_seh_init (FILE *); |
| 273 | extern void i386_pe_seh_end_prologue (FILE *); | |
| ac44248e | 274 | extern void i386_pe_seh_unwind_emit (FILE *, rtx_insn *); |
| bf1431e3 TG |
275 | extern void i386_pe_seh_emit_except_personality (rtx); |
| 276 | extern void i386_pe_seh_init_sections (void); | |
| f81c9774 | 277 | |
| 43d9ad1d DS |
278 | /* In winnt-cxx.c and winnt-stubs.c */ |
| 279 | extern void i386_pe_adjust_class_at_definition (tree); | |
| 280 | extern bool i386_pe_type_dllimport_p (tree); | |
| 281 | extern bool i386_pe_type_dllexport_p (tree); | |
| 282 | ||
| 463d5aa0 KT |
283 | extern int i386_pe_reloc_rw_mask (void); |
| 284 | ||
| 8fe75e43 RH |
285 | extern rtx maybe_get_pool_constant (rtx); |
| 286 | ||
| 287 | extern char internal_label_prefix[16]; | |
| 288 | extern int internal_label_prefix_len; | |
| 289 | ||
| f8071c05 L |
290 | extern bool ix86_epilogue_uses (int); |
| 291 | ||
| 8fe75e43 RH |
292 | struct ix86_address |
| 293 | { | |
| 294 | rtx base, index, disp; | |
| 295 | HOST_WIDE_INT scale; | |
| 00402c94 | 296 | addr_space_t seg; |
| 8fe75e43 RH |
297 | }; |
| 298 | ||
| 299 | extern int ix86_decompose_address (rtx, struct ix86_address *); | |
| cab54dfa | 300 | extern int memory_address_length (rtx, bool); |
| 7dcbf659 JH |
301 | extern void x86_output_aligned_bss (FILE *, tree, const char *, |
| 302 | unsigned HOST_WIDE_INT, int); | |
| 901f29c8 RO |
303 | extern void x86_elf_aligned_decl_common (FILE *, tree, const char *, |
| 304 | unsigned HOST_WIDE_INT, int); | |
| 8fe75e43 RH |
305 | |
| 306 | #ifdef RTX_CODE | |
| 307 | extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *, | |
| 308 | enum rtx_code *, enum rtx_code *); | |
| 309 | extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code); | |
| 310 | #endif | |
| 72ce3d4a | 311 | extern int asm_preferred_eh_data_format (int, int); |
| 7ab91c5f L |
312 | |
| 313 | #ifdef HAVE_ATTR_cpu | |
| 314 | extern enum attr_cpu ix86_schedule; | |
| 315 | #endif | |
| f81c9774 | 316 | |
| 612b40cf | 317 | extern const char * ix86_output_call_insn (rtx_insn *insn, rtx call_op); |
| 97afef00 | 318 | extern bool ix86_operands_ok_for_move_multiple (rtx *operands, bool load, |
| b8506a8a | 319 | machine_mode mode); |
| 894fd6f2 MK |
320 | |
| 321 | #ifdef RTX_CODE | |
| 322 | /* Target data for multipass lookahead scheduling. | |
| 323 | Currently used for Core 2/i7 tuning. */ | |
| 324 | struct ix86_first_cycle_multipass_data_ | |
| 325 | { | |
| 326 | /* The length (in bytes) of ifetch block in this solution. */ | |
| 327 | int ifetch_block_len; | |
| 328 | /* Number of instructions in ifetch block in this solution. */ | |
| 329 | int ifetch_block_n_insns; | |
| 330 | /* Bitmap to remember changes to ready_try for backtracking. */ | |
| 331 | sbitmap ready_try_change; | |
| 332 | /* Size of the bitmap. */ | |
| 333 | int ready_try_change_size; | |
| 334 | }; | |
| 335 | # define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T \ | |
| 336 | struct ix86_first_cycle_multipass_data_ | |
| 337 | #endif /* RTX_CODE */ | |
| 00402c94 RH |
338 | |
| 339 | const addr_space_t ADDR_SPACE_SEG_FS = 1; | |
| 340 | const addr_space_t ADDR_SPACE_SEG_GS = 2; | |
| 478167be JJ |
341 | |
| 342 | namespace gcc { class context; } | |
| 343 | class rtl_opt_pass; | |
| 344 | ||
| 345 | extern rtl_opt_pass *make_pass_insert_vzeroupper (gcc::context *); | |
| 346 | extern rtl_opt_pass *make_pass_stv (gcc::context *); |