annotate gcc/targhooks.h @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
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1 /* Default target hook functions.
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2 Copyright (C) 2003-2017 Free Software Foundation, Inc.
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4 This file is part of GCC.
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 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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20 #ifndef GCC_TARGHOOKS_H
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21 #define GCC_TARGHOOKS_H
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22
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23 extern bool default_legitimate_address_p (machine_mode, rtx, bool);
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25 extern void default_external_libcall (rtx);
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26 extern rtx default_legitimize_address (rtx, rtx, machine_mode);
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27 extern bool default_legitimize_address_displacement (rtx *, rtx *,
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28 machine_mode);
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29 extern bool default_const_not_ok_for_debug_p (rtx);
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31 extern int default_unspec_may_trap_p (const_rtx, unsigned);
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32 extern machine_mode default_promote_function_mode (const_tree, machine_mode,
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33 int *, const_tree, int);
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34 extern machine_mode default_promote_function_mode_always_promote
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35 (const_tree, machine_mode, int *, const_tree, int);
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37 extern machine_mode default_cc_modes_compatible (machine_mode,
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38 machine_mode);
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40 extern bool default_return_in_memory (const_tree, const_tree);
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42 extern rtx default_expand_builtin_saveregs (void);
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43 extern void default_setup_incoming_varargs (cumulative_args_t, machine_mode, tree, int *, int);
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44 extern rtx default_builtin_setjmp_frame_value (void);
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45 extern bool default_pretend_outgoing_varargs_named (cumulative_args_t);
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47 extern scalar_int_mode default_eh_return_filter_mode (void);
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48 extern scalar_int_mode default_libgcc_cmp_return_mode (void);
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49 extern scalar_int_mode default_libgcc_shift_count_mode (void);
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50 extern scalar_int_mode default_unwind_word_mode (void);
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51 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
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52 (machine_mode);
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53 extern unsigned int default_min_divisions_for_recip_mul (machine_mode);
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54 extern int default_mode_rep_extended (scalar_int_mode, scalar_int_mode);
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56 extern tree default_stack_protect_guard (void);
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57 extern tree default_external_stack_protect_fail (void);
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58 extern tree default_hidden_stack_protect_fail (void);
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60 extern machine_mode default_mode_for_suffix (char);
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62 extern tree default_cxx_guard_type (void);
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63 extern tree default_cxx_get_cookie_size (tree);
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65 extern bool hook_pass_by_reference_must_pass_in_stack
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66 (cumulative_args_t, machine_mode mode, const_tree, bool);
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67 extern bool hook_callee_copies_named
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68 (cumulative_args_t ca, machine_mode, const_tree, bool);
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70 extern void default_print_operand (FILE *, rtx, int);
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71 extern void default_print_operand_address (FILE *, machine_mode, rtx);
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72 extern bool default_print_operand_punct_valid_p (unsigned char);
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73 extern tree default_mangle_assembler_name (const char *);
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74
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75 extern bool default_scalar_mode_supported_p (scalar_mode);
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76 extern bool default_libgcc_floating_mode_supported_p (scalar_float_mode);
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77 extern opt_scalar_float_mode default_floatn_mode (int, bool);
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78 extern bool targhook_words_big_endian (void);
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79 extern bool targhook_float_words_big_endian (void);
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80 extern bool default_float_exceptions_rounding_supported_p (void);
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81 extern bool default_decimal_float_supported_p (void);
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82 extern bool default_fixed_point_supported_p (void);
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83
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84 extern bool default_has_ifunc_p (void);
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85
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86 extern const char * default_invalid_within_doloop (const rtx_insn *);
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87
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88 extern tree default_builtin_vectorized_function (unsigned int, tree, tree);
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89 extern tree default_builtin_md_vectorized_function (tree, tree, tree);
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91 extern tree default_builtin_vectorized_conversion (unsigned int, tree, tree);
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93 extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int);
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95 extern tree default_builtin_reciprocal (tree);
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96
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97 extern HOST_WIDE_INT default_static_rtx_alignment (machine_mode);
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98 extern HOST_WIDE_INT default_constant_alignment (const_tree, HOST_WIDE_INT);
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99 extern HOST_WIDE_INT constant_alignment_word_strings (const_tree,
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100 HOST_WIDE_INT);
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101 extern HOST_WIDE_INT default_vector_alignment (const_tree);
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102
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103 extern HOST_WIDE_INT default_preferred_vector_alignment (const_tree);
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104 extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
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105 extern bool
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106 default_builtin_support_vector_misalignment (machine_mode mode,
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107 const_tree,
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108 int, bool);
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109 extern machine_mode default_preferred_simd_mode (scalar_mode mode);
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110 extern unsigned int default_autovectorize_vector_sizes (void);
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111 extern opt_machine_mode default_get_mask_mode (unsigned, unsigned);
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112 extern void *default_init_cost (struct loop *);
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113 extern unsigned default_add_stmt_cost (void *, int, enum vect_cost_for_stmt,
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114 struct _stmt_vec_info *, int,
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115 enum vect_cost_model_location);
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116 extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *);
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117 extern void default_destroy_cost_data (void *);
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118
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119 /* OpenACC hooks. */
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120 extern bool default_goacc_validate_dims (tree, int [], int);
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121 extern int default_goacc_dim_limit (int);
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122 extern bool default_goacc_fork_join (gcall *, const int [], bool);
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123 extern void default_goacc_reduction (gcall *);
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124
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125 /* These are here, and not in hooks.[ch], because not all users of
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126 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
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127
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128 extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t);
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129 extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t);
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131 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
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132 (cumulative_args_t, machine_mode, const_tree, bool);
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133 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
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134 (cumulative_args_t, machine_mode, const_tree, bool);
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135 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
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136 (cumulative_args_t, machine_mode, tree, bool);
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137 extern const char *hook_invalid_arg_for_unprototyped_fn
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138 (const_tree, const_tree, const_tree);
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139 extern void default_function_arg_advance
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140 (cumulative_args_t, machine_mode, const_tree, bool);
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141 extern HOST_WIDE_INT default_function_arg_offset (machine_mode, const_tree);
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142 extern pad_direction default_function_arg_padding (machine_mode, const_tree);
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143 extern rtx default_function_arg
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144 (cumulative_args_t, machine_mode, const_tree, bool);
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145 extern rtx default_function_incoming_arg
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146 (cumulative_args_t, machine_mode, const_tree, bool);
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147 extern unsigned int default_function_arg_boundary (machine_mode,
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148 const_tree);
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149 extern unsigned int default_function_arg_round_boundary (machine_mode,
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150 const_tree);
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151 extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
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152 extern rtx default_function_value (const_tree, const_tree, bool);
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153 extern rtx default_libcall_value (machine_mode, const_rtx);
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154 extern bool default_function_value_regno_p (const unsigned int);
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155 extern rtx default_internal_arg_pointer (void);
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156 extern rtx default_static_chain (const_tree, bool);
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157 extern void default_trampoline_init (rtx, tree, rtx);
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158 extern int default_return_pops_args (tree, tree, int);
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159 extern reg_class_t default_branch_target_register_class (void);
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160 extern reg_class_t default_ira_change_pseudo_allocno_class (int, reg_class_t,
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161 reg_class_t);
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162 extern bool default_lra_p (void);
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163 extern int default_register_priority (int);
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164 extern bool default_register_usage_leveling_p (void);
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165 extern bool default_different_addr_displacement_p (void);
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166 extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
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167 machine_mode,
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168 secondary_reload_info *);
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169 extern machine_mode default_secondary_memory_needed_mode (machine_mode);
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170 extern void default_target_option_override (void);
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171 extern void hook_void_bitmap (bitmap);
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172 extern int default_reloc_rw_mask (void);
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173 extern tree default_mangle_decl_assembler_name (tree, tree);
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174 extern tree default_emutls_var_fields (tree, tree *);
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175 extern tree default_emutls_var_init (tree, tree, tree);
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176 extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode);
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177 extern bool default_hard_regno_scratch_ok (unsigned int);
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178 extern bool default_mode_dependent_address_p (const_rtx, addr_space_t);
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179 extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
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180 extern bool default_target_option_pragma_parse (tree, tree);
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181 extern bool default_target_can_inline_p (tree, tree);
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182 extern bool default_valid_pointer_mode (scalar_int_mode);
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183 extern bool default_ref_may_alias_errno (struct ao_ref *);
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184 extern scalar_int_mode default_addr_space_pointer_mode (addr_space_t);
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185 extern scalar_int_mode default_addr_space_address_mode (addr_space_t);
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186 extern bool default_addr_space_valid_pointer_mode (scalar_int_mode,
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187 addr_space_t);
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188 extern bool default_addr_space_legitimate_address_p (machine_mode, rtx,
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189 bool, addr_space_t);
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190 extern rtx default_addr_space_legitimize_address (rtx, rtx, machine_mode,
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191 addr_space_t);
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192 extern bool default_addr_space_subset_p (addr_space_t, addr_space_t);
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193 extern bool default_addr_space_zero_address_valid (addr_space_t);
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194 extern int default_addr_space_debug (addr_space_t);
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195 extern void default_addr_space_diagnose_usage (addr_space_t, location_t);
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196 extern rtx default_addr_space_convert (rtx, tree, tree);
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197 extern unsigned int default_case_values_threshold (void);
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198 extern bool default_have_conditional_execution (void);
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199
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200 extern bool default_libc_has_function (enum function_class);
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201 extern bool no_c99_libc_has_function (enum function_class);
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202 extern bool gnu_libc_has_function (enum function_class);
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203
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204 extern tree default_builtin_tm_load_store (tree);
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205
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206 extern int default_memory_move_cost (machine_mode, reg_class_t, bool);
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207 extern int default_register_move_cost (machine_mode, reg_class_t,
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208 reg_class_t);
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209 extern bool default_slow_unaligned_access (machine_mode, unsigned int);
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210
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211 extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
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212 unsigned int,
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213 enum by_pieces_operation,
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214 bool);
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215 extern int default_compare_by_pieces_branch_ratio (machine_mode);
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216
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217 extern void default_print_patchable_function_entry (FILE *,
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218 unsigned HOST_WIDE_INT,
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219 bool);
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220 extern bool default_profile_before_prologue (void);
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221 extern reg_class_t default_preferred_reload_class (rtx, reg_class_t);
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222 extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t);
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223 extern reg_class_t default_preferred_rename_class (reg_class_t rclass);
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224 extern bool default_class_likely_spilled_p (reg_class_t);
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225 extern unsigned char default_class_max_nregs (reg_class_t, machine_mode);
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226
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227 extern enum unwind_info_type default_debug_unwind_info (void);
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228
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229 extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool);
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230
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231 extern int default_label_align_after_barrier_max_skip (rtx_insn *);
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232 extern int default_loop_align_max_skip (rtx_insn *);
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233 extern int default_label_align_max_skip (rtx_insn *);
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234 extern int default_jump_align_max_skip (rtx_insn *);
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235 extern section * default_function_section(tree decl, enum node_frequency freq,
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236 bool startup, bool exit);
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237 extern machine_mode default_dwarf_frame_reg_mode (int);
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238 extern machine_mode default_get_reg_raw_mode (int);
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239 extern bool default_keep_leaf_when_profiled ();
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240
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241 extern void *default_get_pch_validity (size_t *);
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242 extern const char *default_pch_valid_p (const void *, size_t);
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243
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244 extern void default_asm_output_ident_directive (const char*);
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245
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246 extern scalar_int_mode default_cstore_mode (enum insn_code);
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247 extern bool default_member_type_forces_blk (const_tree, machine_mode);
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248 extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *);
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249 extern tree build_va_arg_indirect_ref (tree);
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250 extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
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251 extern bool can_use_doloop_if_innermost (const widest_int &,
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252 const widest_int &,
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253 unsigned int, bool);
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254
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255 extern rtx default_load_bounds_for_arg (rtx, rtx, rtx);
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256 extern void default_store_bounds_for_arg (rtx, rtx, rtx, rtx);
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257 extern rtx default_load_returned_bounds (rtx);
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258 extern void default_store_returned_bounds (rtx,rtx);
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259 extern tree default_chkp_bound_type (void);
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260 extern machine_mode default_chkp_bound_mode (void);
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261 extern tree default_builtin_chkp_function (unsigned int);
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262 extern rtx default_chkp_function_value_bounds (const_tree, const_tree, bool);
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263 extern tree default_chkp_make_bounds_constant (HOST_WIDE_INT lb, HOST_WIDE_INT ub);
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264 extern int default_chkp_initialize_bounds (tree var, tree lb, tree ub,
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265 tree *stmts);
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266 extern void default_setup_incoming_vararg_bounds (cumulative_args_t ca ATTRIBUTE_UNUSED,
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267 machine_mode mode ATTRIBUTE_UNUSED,
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268 tree type ATTRIBUTE_UNUSED,
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269 int *pretend_arg_size ATTRIBUTE_UNUSED,
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270 int second_time ATTRIBUTE_UNUSED);
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271 extern bool default_optab_supported_p (int, machine_mode, machine_mode,
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272 optimization_type);
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273 extern unsigned int default_max_noce_ifcvt_seq_cost (edge);
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274 extern bool default_noce_conversion_profitable_p (rtx_insn *,
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275 struct noce_if_info *);
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276 extern unsigned int default_min_arithmetic_precision (void);
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277
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278 extern enum flt_eval_method
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279 default_excess_precision (enum excess_precision_type ATTRIBUTE_UNUSED);
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280 extern bool default_stack_clash_protection_final_dynamic_probe (rtx);
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281
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282 #endif /* GCC_TARGHOOKS_H */