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annotate gcc/config/rs6000/rs6000-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 GNU compiler, for IBM RS/6000.
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2 Copyright (C) 2000-2018 Free Software Foundation, Inc.
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3 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published
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9 by the Free Software Foundation; either version 3, or (at your
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10 option) any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_RS6000_PROTOS_H
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22 #define GCC_RS6000_PROTOS_H
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23
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24 /* Declare functions in rs6000.c */
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25
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26 #ifdef RTX_CODE
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27
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28 #ifdef TREE_CODE
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29 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
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30 tree, machine_mode);
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31 #endif /* TREE_CODE */
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32
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33 extern bool easy_altivec_constant (rtx, machine_mode);
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34 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
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35 extern int vspltis_shifted (rtx);
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36 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
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37 extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
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38 extern int num_insns_constant (rtx, machine_mode);
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39 extern int num_insns_constant_wide (HOST_WIDE_INT);
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40 extern int small_data_operand (rtx, machine_mode);
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41 extern bool mem_operand_gpr (rtx, machine_mode);
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42 extern bool mem_operand_ds_form (rtx, machine_mode);
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43 extern bool toc_relative_expr_p (const_rtx, bool, const_rtx *, const_rtx *);
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44 extern void validate_condition_mode (enum rtx_code, machine_mode);
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45 extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode,
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46 bool);
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47 extern bool legitimate_indirect_address_p (rtx, int);
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48 extern bool legitimate_indexed_address_p (rtx, int);
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49 extern bool avoiding_indexed_address_p (machine_mode);
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50
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51 extern rtx rs6000_got_register (rtx);
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52 extern rtx find_addr_reg (rtx);
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53 extern rtx gen_easy_altivec_constant (rtx);
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54 extern const char *output_vec_const_move (rtx *);
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55 extern const char *rs6000_output_move_128bit (rtx *);
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56 extern bool rs6000_move_128bit_ok_p (rtx []);
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57 extern bool rs6000_split_128bit_ok_p (rtx []);
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58 extern void rs6000_expand_float128_convert (rtx, rtx, bool);
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59 extern void rs6000_expand_vector_init (rtx, rtx);
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60 extern void rs6000_expand_vector_set (rtx, rtx, int);
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61 extern void rs6000_expand_vector_extract (rtx, rtx, rtx);
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62 extern void rs6000_split_vec_extract_var (rtx, rtx, rtx, rtx, rtx);
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63 extern rtx rs6000_adjust_vec_address (rtx, rtx, rtx, rtx, machine_mode);
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64 extern void altivec_expand_vec_perm_le (rtx op[4]);
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65 extern void rs6000_expand_extract_even (rtx, rtx, rtx);
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66 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
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67 extern void rs6000_scale_v2df (rtx, rtx, int);
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68 extern void rs6000_generate_float2_code (bool, rtx, rtx, rtx);
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69 extern void rs6000_generate_float2_double_code (rtx, rtx, rtx);
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70 extern void rs6000_generate_vsigned2_code (bool, rtx, rtx, rtx);
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71 extern int expand_block_clear (rtx[]);
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72 extern int expand_block_move (rtx[]);
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73 extern bool expand_block_compare (rtx[]);
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74 extern bool expand_strn_compare (rtx[], int);
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75 extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode);
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76 extern bool rs6000_is_valid_and_mask (rtx, machine_mode);
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77 extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode);
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78 extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode);
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79 extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool);
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80 extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool);
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81 extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool);
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82 extern bool rs6000_is_valid_2insn_and (rtx, machine_mode);
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83 extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int);
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84 extern int registers_ok_for_quad_peep (rtx, rtx);
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85 extern int mems_ok_for_quad_peep (rtx, rtx);
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86 extern bool gpr_or_gpr_p (rtx, rtx);
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87 extern bool direct_move_p (rtx, rtx);
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88 extern bool quad_address_p (rtx, machine_mode, bool);
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89 extern bool quad_load_store_p (rtx, rtx);
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90 extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
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91 extern void expand_fusion_gpr_load (rtx *);
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92 extern void emit_fusion_addis (rtx, rtx);
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93 extern void emit_fusion_load_store (rtx, rtx, rtx, const char *);
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94 extern const char *emit_fusion_gpr_load (rtx, rtx);
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95 extern bool fusion_p9_p (rtx, rtx, rtx, rtx);
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96 extern void expand_fusion_p9_load (rtx *);
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97 extern void expand_fusion_p9_store (rtx *);
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98 extern const char *emit_fusion_p9_load (rtx, rtx, rtx);
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99 extern const char *emit_fusion_p9_store (rtx, rtx, rtx);
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100 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
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101 enum reg_class);
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102 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
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103 machine_mode,
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104 rtx);
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105 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
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106 extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
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108
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109 extern int ccr_bit (rtx, int);
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110 extern void rs6000_output_function_entry (FILE *, const char *);
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111 extern void print_operand (FILE *, rtx, int);
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112 extern void print_operand_address (FILE *, rtx);
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113 extern enum rtx_code rs6000_reverse_condition (machine_mode,
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114 enum rtx_code);
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115 extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx);
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116 extern void rs6000_emit_sCOND (machine_mode, rtx[]);
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117 extern void rs6000_emit_cbranch (machine_mode, rtx[]);
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118 extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
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119 extern const char * output_probe_stack_range (rtx, rtx, rtx);
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120 extern void rs6000_emit_dot_insn (rtx dst, rtx src, int dot, rtx ccreg);
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121 extern bool rs6000_emit_set_const (rtx, rtx);
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122 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
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123 extern int rs6000_emit_int_cmove (rtx, rtx, rtx, rtx);
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124 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
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125 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
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126 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
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127 extern rtx swap_endian_selector_for_mode (machine_mode mode);
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128
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129 extern void rs6000_expand_atomic_exchange (rtx op[]);
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130 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
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131 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
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132 extern void rs6000_emit_swsqrt (rtx, rtx, bool);
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133 extern void output_toc (FILE *, rtx, int, machine_mode);
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134 extern rtx rs6000_longcall_ref (rtx);
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135 extern void rs6000_fatal_bad_address (rtx);
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136 extern rtx create_TOC_reference (rtx, rtx);
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137 extern void rs6000_split_multireg_move (rtx, rtx);
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138 extern void rs6000_emit_le_vsx_permute (rtx, rtx, machine_mode);
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139 extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
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140 extern bool valid_sf_si_move (rtx, rtx, machine_mode);
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141 extern void rs6000_emit_move (rtx, rtx, machine_mode);
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142 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode,
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143 int, int, int, int *);
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144 extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
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145 bool, bool);
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146 extern rtx rs6000_find_base_term (rtx);
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147 extern rtx rs6000_return_addr (int, rtx);
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148 extern void rs6000_output_symbol_ref (FILE*, rtx);
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149 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
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150 extern void rs6000_emit_popcount (rtx, rtx);
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151 extern void rs6000_emit_parity (rtx, rtx);
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152
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153 extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
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154 rtx);
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155 extern rtx rs6000_address_for_fpconvert (rtx);
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156 extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
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157 extern align_flags rs6000_loop_align (rtx);
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158 extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
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159 #endif /* RTX_CODE */
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161 #ifdef TREE_CODE
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162 extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
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163 extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
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164 extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
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165 unsigned int);
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166 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
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167 unsigned int);
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168 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
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169 extern rtx rs6000_libcall_value (machine_mode);
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170 extern rtx rs6000_va_arg (tree, tree);
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171 extern int function_ok_for_sibcall (tree);
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172 extern int rs6000_reg_parm_stack_space (tree, bool);
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173 extern void rs6000_asm_weaken_decl (FILE *, tree, const char *, const char *);
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174 extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
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175 extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
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176 extern void rs6000_xcoff_asm_output_aligned_decl_common (FILE *, tree,
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177 const char *,
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178 unsigned HOST_WIDE_INT,
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179 unsigned HOST_WIDE_INT);
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180 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
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181 extern bool rs6000_elf_in_small_data_p (const_tree);
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182
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183 #endif /* TREE_CODE */
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184
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185 extern int direct_return (void);
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186 extern int first_reg_to_save (void);
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187 extern int first_fp_reg_to_save (void);
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188 extern void output_ascii (FILE *, const char *, int);
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189 extern void rs6000_gen_section_name (char **, const char *, const char *);
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190 extern void output_function_profiler (FILE *, int);
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191 extern void output_profile_hook (int);
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192 extern int rs6000_trampoline_size (void);
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193 extern alias_set_type get_TOC_alias_set (void);
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194 extern void rs6000_emit_prologue (void);
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195 extern void rs6000_emit_load_toc_table (int);
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196 extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
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197 extern void rs6000_emit_epilogue (int);
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198 extern void rs6000_expand_split_stack_prologue (void);
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199 extern void rs6000_split_stack_space_check (rtx, rtx);
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200 extern void rs6000_emit_eh_reg_restore (rtx, rtx);
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201 extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
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202 extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
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203 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
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204 extern void get_ppc476_thunk_name (char name[32]);
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205 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
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206 extern bool rs6000_builtin_is_supported_p (enum rs6000_builtins);
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207 extern const char *rs6000_overloaded_builtin_name (enum rs6000_builtins);
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208 extern int rs6000_store_data_bypass_p (rtx_insn *, rtx_insn *);
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209 extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
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210 extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
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211 const char *label);
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212 extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
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213 const char *label);
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214
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215 /* Declare functions in rs6000-c.c */
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216
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217 extern void rs6000_pragma_longcall (struct cpp_reader *);
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218 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
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219 #ifdef TREE_CODE
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220 extern bool rs6000_pragma_target_parse (tree, tree);
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221 #endif
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222 extern void rs6000_activate_target_options (tree new_tree);
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223 extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
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224 extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
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225 HOST_WIDE_INT);
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226
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227 #if TARGET_MACHO
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228 char *output_call (rtx_insn *, rtx *, int, int);
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229 #endif
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230
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231 #ifdef NO_DOLLAR_IN_LABEL
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232 const char * rs6000_xcoff_strip_dollar (const char *);
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233 #endif
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234
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235 void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
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236
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237 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
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238 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
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239
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240 extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
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241
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242 /* Pass management. */
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243 namespace gcc { class context; }
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244 class rtl_opt_pass;
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245
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246 extern rtl_opt_pass *make_pass_analyze_swaps (gcc::context *);
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247 extern bool rs6000_sum_of_two_registers_p (const_rtx expr);
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248 extern bool rs6000_quadword_masked_address_p (const_rtx exp);
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249 extern rtx rs6000_gen_lvx (enum machine_mode, rtx, rtx);
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250 extern rtx rs6000_gen_stvx (enum machine_mode, rtx, rtx);
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251
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252 #endif /* rs6000-protos.h */