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annotate gcc/config/i386/i386-protos.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
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1 /* Definitions of target machine for GCC for IA-32.
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2 Copyright (C) 1988-2018 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 /* In i386-common.c. */
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21 extern bool ix86_handle_option (struct gcc_options *opts,
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22 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
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23 const struct cl_decoded_option *decoded,
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24 location_t loc);
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25
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26 /* Functions in i386.c */
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27 extern bool ix86_target_stack_probe (void);
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28 extern bool ix86_can_use_return_insn_p (void);
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29 extern void ix86_setup_frame_addresses (void);
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30 extern bool ix86_rip_relative_addr_p (struct ix86_address *parts);
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32 extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
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33 extern void ix86_expand_prologue (void);
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34 extern void ix86_maybe_emit_epilogue_vzeroupper (void);
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35 extern void ix86_expand_epilogue (int);
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36 extern void ix86_expand_split_stack_prologue (void);
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38 extern void ix86_output_addr_vec_elt (FILE *, int);
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39 extern void ix86_output_addr_diff_elt (FILE *, int, int);
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41 extern enum calling_abi ix86_cfun_abi (void);
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42 extern enum calling_abi ix86_function_type_abi (const_tree);
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44 extern bool ix86_use_pseudo_pic_reg (void);
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45
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46 extern void ix86_reset_previous_fndecl (void);
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47
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48 extern bool ix86_using_red_zone (void);
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49
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50 #ifdef RTX_CODE
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51 extern int standard_80387_constant_p (rtx);
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52 extern const char *standard_80387_constant_opcode (rtx);
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53 extern rtx standard_80387_constant_rtx (int);
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54 extern int standard_sse_constant_p (rtx, machine_mode);
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55 extern const char *standard_sse_constant_opcode (rtx_insn *, rtx *);
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56 extern bool ix86_standard_x87sse_constant_load_p (const rtx_insn *, rtx);
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57 extern bool symbolic_reference_mentioned_p (rtx);
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58 extern bool extended_reg_mentioned_p (rtx);
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59 extern bool x86_extended_QIreg_mentioned_p (rtx_insn *);
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60 extern bool x86_extended_reg_mentioned_p (rtx);
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61 extern bool x86_maybe_negate_const_int (rtx *, machine_mode);
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62 extern machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
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64 extern int avx_vpermilp_parallel (rtx par, machine_mode mode);
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65 extern int avx_vperm2f128_parallel (rtx par, machine_mode mode);
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67 extern bool ix86_expand_strlen (rtx, rtx, rtx, rtx);
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68 extern bool ix86_expand_set_or_movmem (rtx, rtx, rtx, rtx, rtx, rtx,
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69 rtx, rtx, rtx, rtx, bool);
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71 extern bool constant_address_p (rtx);
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72 extern bool legitimate_pic_operand_p (rtx);
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73 extern bool legitimate_pic_address_disp_p (rtx);
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74 extern bool ix86_force_load_from_GOT_p (rtx);
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75 extern void print_reg (rtx, int, FILE*);
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76 extern void ix86_print_operand (FILE *, rtx, int);
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78 extern void split_double_mode (machine_mode, rtx[], int, rtx[], rtx[]);
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80 extern const char *output_set_got (rtx, rtx);
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81 extern const char *output_387_binary_op (rtx_insn *, rtx*);
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82 extern const char *output_387_reg_move (rtx_insn *, rtx*);
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83 extern const char *output_fix_trunc (rtx_insn *, rtx*, bool);
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84 extern const char *output_fp_compare (rtx_insn *, rtx*, bool, bool);
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85 extern const char *output_adjust_stack_and_probe (rtx);
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86 extern const char *output_probe_stack_range (rtx, rtx);
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88 extern void ix86_expand_clear (rtx);
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89 extern void ix86_expand_move (machine_mode, rtx[]);
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90 extern void ix86_expand_vector_move (machine_mode, rtx[]);
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91 extern void ix86_expand_vector_move_misalign (machine_mode, rtx[]);
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92 extern rtx ix86_fixup_binary_operands (enum rtx_code,
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93 machine_mode, rtx[]);
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94 extern void ix86_fixup_binary_operands_no_copy (enum rtx_code,
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95 machine_mode, rtx[]);
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96 extern void ix86_expand_binary_operator (enum rtx_code,
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97 machine_mode, rtx[]);
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98 extern void ix86_expand_vector_logical_operator (enum rtx_code,
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99 machine_mode, rtx[]);
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100 extern bool ix86_binary_operator_ok (enum rtx_code, machine_mode, rtx[]);
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101 extern bool ix86_avoid_lea_for_add (rtx_insn *, rtx[]);
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102 extern bool ix86_use_lea_for_mov (rtx_insn *, rtx[]);
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103 extern bool ix86_avoid_lea_for_addr (rtx_insn *, rtx[]);
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104 extern void ix86_split_lea_for_addr (rtx_insn *, rtx[], machine_mode);
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105 extern bool ix86_lea_for_add_ok (rtx_insn *, rtx[]);
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106 extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands[3], bool high);
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107 extern bool ix86_dep_by_shift_count (const_rtx set_insn, const_rtx use_insn);
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108 extern bool ix86_agi_dependent (rtx_insn *set_insn, rtx_insn *use_insn);
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109 extern void ix86_expand_unary_operator (enum rtx_code, machine_mode,
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110 rtx[]);
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111 extern rtx ix86_build_const_vector (machine_mode, bool, rtx);
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112 extern rtx ix86_build_signbit_mask (machine_mode, bool, bool);
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113 extern void ix86_split_convert_uns_si_sse (rtx[]);
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114 extern void ix86_expand_convert_uns_didf_sse (rtx, rtx);
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115 extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx);
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116 extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx);
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117 extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx);
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118 extern void ix86_expand_convert_sign_didf_sse (rtx, rtx);
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119 extern void ix86_expand_vector_convert_uns_vsivsf (rtx, rtx);
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120 extern rtx ix86_expand_adjust_ufix_to_sfix_si (rtx, rtx *);
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121 extern enum ix86_fpcmp_strategy ix86_fp_comparison_strategy (enum rtx_code);
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122 extern void ix86_expand_fp_absneg_operator (enum rtx_code, machine_mode,
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123 rtx[]);
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124 extern void ix86_expand_copysign (rtx []);
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125 extern void ix86_split_copysign_const (rtx []);
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126 extern void ix86_split_copysign_var (rtx []);
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127 extern bool ix86_unary_operator_ok (enum rtx_code, machine_mode, rtx[]);
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128 extern bool ix86_match_ccmode (rtx, machine_mode);
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129 extern void ix86_expand_branch (enum rtx_code, rtx, rtx, rtx);
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130 extern void ix86_expand_setcc (rtx, enum rtx_code, rtx, rtx);
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131 extern bool ix86_expand_int_movcc (rtx[]);
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132 extern bool ix86_expand_fp_movcc (rtx[]);
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133 extern bool ix86_expand_fp_vcond (rtx[]);
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134 extern bool ix86_expand_int_vcond (rtx[]);
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135 extern void ix86_expand_vec_perm (rtx[]);
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136 extern bool ix86_expand_mask_vec_cmp (rtx[]);
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137 extern bool ix86_expand_int_vec_cmp (rtx[]);
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138 extern bool ix86_expand_fp_vec_cmp (rtx[]);
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139 extern void ix86_expand_sse_movcc (rtx, rtx, rtx, rtx);
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140 extern void ix86_expand_sse_unpack (rtx, rtx, bool, bool);
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141 extern bool ix86_expand_int_addcc (rtx[]);
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142 extern rtx_insn *ix86_expand_call (rtx, rtx, rtx, rtx, rtx, bool);
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143 extern void ix86_split_call_vzeroupper (rtx, rtx);
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144 extern void x86_initialize_trampoline (rtx, rtx, rtx);
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145 extern rtx ix86_zero_extend_to_Pmode (rtx);
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146 extern void ix86_split_long_move (rtx[]);
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147 extern void ix86_split_ashl (rtx *, rtx, machine_mode);
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148 extern void ix86_split_ashr (rtx *, rtx, machine_mode);
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149 extern void ix86_split_lshr (rtx *, rtx, machine_mode);
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150 extern rtx ix86_find_base_term (rtx);
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151 extern bool ix86_check_movabs (rtx, int);
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152 extern bool ix86_check_no_addr_space (rtx);
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153 extern void ix86_split_idivmod (machine_mode, rtx[], bool);
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154
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155 extern rtx assign_386_stack_local (machine_mode, enum ix86_stack_slot);
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156 extern int ix86_attr_length_immediate_default (rtx_insn *, bool);
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157 extern int ix86_attr_length_address_default (rtx_insn *);
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158 extern int ix86_attr_length_vex_default (rtx_insn *, bool, bool);
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159
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160 extern rtx ix86_libcall_value (machine_mode);
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161 extern bool ix86_function_arg_regno_p (int);
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162 extern void ix86_asm_output_function_label (FILE *, const char *, tree);
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163 extern void ix86_call_abi_override (const_tree);
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164 extern int ix86_reg_parm_stack_space (const_tree);
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165
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166 extern bool ix86_libc_has_function (enum function_class fn_class);
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167
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168 extern void x86_order_regs_for_local_alloc (void);
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169 extern void x86_function_profiler (FILE *, int);
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170 extern void x86_emit_floatuns (rtx [2]);
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171 extern void ix86_emit_fp_unordered_jump (rtx);
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172
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173 extern void ix86_emit_i387_log1p (rtx, rtx);
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174 extern void ix86_emit_i387_round (rtx, rtx);
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175 extern void ix86_emit_swdivsf (rtx, rtx, rtx, machine_mode);
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176 extern void ix86_emit_swsqrtsf (rtx, rtx, machine_mode, bool);
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177
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178 extern enum rtx_code ix86_reverse_condition (enum rtx_code, machine_mode);
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179
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180 extern void ix86_expand_lround (rtx, rtx);
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181 extern void ix86_expand_lfloorceil (rtx, rtx, bool);
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182 extern void ix86_expand_rint (rtx, rtx);
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183 extern void ix86_expand_floorceil (rtx, rtx, bool);
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184 extern void ix86_expand_floorceildf_32 (rtx, rtx, bool);
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185 extern void ix86_expand_round_sse4 (rtx, rtx);
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186 extern void ix86_expand_round (rtx, rtx);
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187 extern void ix86_expand_rounddf_32 (rtx, rtx);
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188 extern void ix86_expand_trunc (rtx, rtx);
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189 extern void ix86_expand_truncdf_32 (rtx, rtx);
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190
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191 extern void ix86_expand_vecop_qihi (enum rtx_code, rtx, rtx, rtx);
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192
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193 extern rtx ix86_split_stack_guard (void);
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194
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195 #ifdef TREE_CODE
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196 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
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197 #endif /* TREE_CODE */
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198
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199 #endif /* RTX_CODE */
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200
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201 #ifdef TREE_CODE
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202 extern int ix86_data_alignment (tree, int, bool);
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203 extern unsigned int ix86_local_alignment (tree, machine_mode,
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204 unsigned int);
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205 extern unsigned int ix86_minimum_alignment (tree, machine_mode,
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206 unsigned int);
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207 extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *);
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208 extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *);
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209 extern int x86_field_alignment (tree, int);
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210 extern tree ix86_valid_target_attribute_tree (tree,
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211 struct gcc_options *,
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212 struct gcc_options *);
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213 extern unsigned int ix86_get_callcvt (const_tree);
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214
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215 #endif
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216
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217 extern rtx ix86_tls_module_base (void);
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218 extern bool ix86_tls_address_pattern_p (rtx);
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219 extern rtx ix86_rewrite_tls_address (rtx);
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220
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221 extern void ix86_expand_vector_init (bool, rtx, rtx);
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222 extern void ix86_expand_vector_set (bool, rtx, rtx, int);
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223 extern void ix86_expand_vector_extract (bool, rtx, rtx, int);
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224 extern void ix86_expand_reduc (rtx (*)(rtx, rtx, rtx), rtx, rtx);
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225
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226 extern void ix86_expand_vec_extract_even_odd (rtx, rtx, rtx, unsigned);
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227 extern bool ix86_expand_pextr (rtx *);
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228 extern bool ix86_expand_pinsr (rtx *);
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229 extern void ix86_expand_mul_widen_evenodd (rtx, rtx, rtx, bool, bool);
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230 extern void ix86_expand_mul_widen_hilo (rtx, rtx, rtx, bool, bool);
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231 extern void ix86_expand_sse2_mulv4si3 (rtx, rtx, rtx);
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232 extern void ix86_expand_sse2_mulvxdi3 (rtx, rtx, rtx);
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233 extern void ix86_expand_sse2_abs (rtx, rtx);
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234
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235 /* In i386-c.c */
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236 extern void ix86_target_macros (void);
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237 extern void ix86_register_pragmas (void);
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238
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239 /* In winnt.c */
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240 extern void i386_pe_unique_section (tree, int);
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241 extern void i386_pe_declare_function_type (FILE *, const char *, int);
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242 extern void i386_pe_record_external_function (tree, const char *);
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243 extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int);
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244 extern void i386_pe_encode_section_info (tree, rtx, int);
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245 extern bool i386_pe_binds_local_p (const_tree);
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246 extern const char *i386_pe_strip_name_encoding_full (const char *);
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247 extern bool i386_pe_valid_dllimport_attribute_p (const_tree);
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248 extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
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249 extern void i386_pe_asm_named_section (const char *, unsigned int, tree);
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250 extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree,
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251 const char *,
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252 HOST_WIDE_INT,
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253 HOST_WIDE_INT);
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254 extern void i386_pe_file_end (void);
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255 extern void i386_pe_asm_lto_start (void);
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256 extern void i386_pe_asm_lto_end (void);
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257 extern void i386_pe_start_function (FILE *, const char *, tree);
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258 extern void i386_pe_end_function (FILE *, const char *, tree);
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259 extern void i386_pe_end_cold_function (FILE *, const char *, tree);
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260 extern void i386_pe_assemble_visibility (tree, int);
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261 extern tree i386_pe_mangle_decl_assembler_name (tree, tree);
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262 extern tree i386_pe_mangle_assembler_name (const char *);
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263 extern void i386_pe_record_stub (const char *);
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264
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265 extern void i386_pe_seh_init (FILE *);
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266 extern void i386_pe_seh_end_prologue (FILE *);
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267 extern void i386_pe_seh_cold_init (FILE *, const char *);
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268 extern void i386_pe_seh_unwind_emit (FILE *, rtx_insn *);
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269 extern void i386_pe_seh_emit_except_personality (rtx);
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270 extern void i386_pe_seh_init_sections (void);
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271
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272 /* In winnt-cxx.c and winnt-stubs.c */
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273 extern void i386_pe_adjust_class_at_definition (tree);
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274 extern bool i386_pe_type_dllimport_p (tree);
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275 extern bool i386_pe_type_dllexport_p (tree);
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276
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277 extern int i386_pe_reloc_rw_mask (void);
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278
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279 extern char internal_label_prefix[16];
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280 extern int internal_label_prefix_len;
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281
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282 extern bool ix86_epilogue_uses (int);
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283
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284 struct ix86_address
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285 {
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286 rtx base, index, disp;
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287 HOST_WIDE_INT scale;
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288 addr_space_t seg;
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289 };
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290
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291 extern int ix86_decompose_address (rtx, struct ix86_address *);
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292 extern int memory_address_length (rtx, bool);
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293 extern void x86_output_aligned_bss (FILE *, tree, const char *,
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294 unsigned HOST_WIDE_INT, int);
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295 extern void x86_elf_aligned_decl_common (FILE *, tree, const char *,
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296 unsigned HOST_WIDE_INT, int);
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297
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298 #ifdef RTX_CODE
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299 extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *,
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300 enum rtx_code *, enum rtx_code *);
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301 extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code);
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302 #endif
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303 extern int asm_preferred_eh_data_format (int, int);
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304
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305 #ifdef HAVE_ATTR_cpu
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306 extern enum attr_cpu ix86_schedule;
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307 #endif
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308
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309 extern const char * ix86_output_call_insn (rtx_insn *insn, rtx call_op);
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310 extern const char * ix86_output_indirect_jmp (rtx call_op);
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311 extern const char * ix86_output_function_return (bool long_p);
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312 extern const char * ix86_output_indirect_function_return (rtx ret_op);
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313 extern void ix86_split_simple_return_pop_internal (rtx);
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314 extern bool ix86_operands_ok_for_move_multiple (rtx *operands, bool load,
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315 machine_mode mode);
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316 extern int ix86_min_insn_size (rtx_insn *);
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317
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318 extern int ix86_issue_rate (void);
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319 extern int ix86_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn,
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320 int cost, unsigned int);
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321 extern int ia32_multipass_dfa_lookahead (void);
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322 extern bool ix86_macro_fusion_p (void);
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323 extern bool ix86_macro_fusion_pair_p (rtx_insn *condgen, rtx_insn *condjmp);
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324
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325 extern bool ix86_bd_has_dispatch (rtx_insn *insn, int action);
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326 extern void ix86_bd_do_dispatch (rtx_insn *insn, int mode);
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327
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328 extern void ix86_core2i7_init_hooks (void);
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329
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330 extern int ix86_atom_sched_reorder (FILE *, int, rtx_insn **, int *, int);
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331
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332 extern poly_int64 ix86_push_rounding (poly_int64);
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333
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334 #ifdef RTX_CODE
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335 /* Target data for multipass lookahead scheduling.
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336 Currently used for Core 2/i7 tuning. */
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337 struct ix86_first_cycle_multipass_data_
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338 {
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339 /* The length (in bytes) of ifetch block in this solution. */
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340 int ifetch_block_len;
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341 /* Number of instructions in ifetch block in this solution. */
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342 int ifetch_block_n_insns;
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343 /* Bitmap to remember changes to ready_try for backtracking. */
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344 sbitmap ready_try_change;
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345 /* Size of the bitmap. */
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346 int ready_try_change_size;
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347 };
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348 # define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T \
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349 struct ix86_first_cycle_multipass_data_
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350 #endif /* RTX_CODE */
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351
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352 const addr_space_t ADDR_SPACE_SEG_FS = 1;
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353 const addr_space_t ADDR_SPACE_SEG_GS = 2;
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354
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355 namespace gcc { class context; }
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356 class rtl_opt_pass;
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357
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358 extern rtl_opt_pass *make_pass_insert_vzeroupper (gcc::context *);
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359 extern rtl_opt_pass *make_pass_stv (gcc::context *);
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360 extern rtl_opt_pass *make_pass_insert_endbranch (gcc::context *);