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1 /* Internal functions.
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145
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2 Copyright (C) 2011-2020 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 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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10
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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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15
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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 /* This file specifies a list of internal "functions". These functions
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21 differ from built-in functions in that they have no linkage and cannot
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22 be called directly by the user. They represent operations that are only
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23 synthesised by GCC itself.
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24
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25 Internal functions are used instead of tree codes if the operation
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26 and its operands are more naturally represented as a GIMPLE_CALL
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27 than a GIMPLE_ASSIGN.
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28
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29 Each entry in this file has one of the forms:
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30
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31 DEF_INTERNAL_FN (NAME, FLAGS, FNSPEC)
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32 DEF_INTERNAL_OPTAB_FN (NAME, FLAGS, OPTAB, TYPE)
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131
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33 DEF_INTERNAL_SIGNED_OPTAB_FN (NAME, FLAGS, SELECTOR, SIGNED_OPTAB,
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34 UNSIGNED_OPTAB, TYPE)
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111
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35 DEF_INTERNAL_FLT_FN (NAME, FLAGS, OPTAB, TYPE)
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36 DEF_INTERNAL_INT_FN (NAME, FLAGS, OPTAB, TYPE)
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37
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38 where NAME is the name of the function, FLAGS is a set of
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39 ECF_* flags and FNSPEC is a string describing functions fnspec.
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40
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41 DEF_INTERNAL_OPTAB_FN defines an internal function that maps to a
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42 direct optab. The function should only be called with a given
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43 set of types if the associated optab is available for the modes
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44 of those types. OPTAB says what optab to use (without the trailing
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45 "_optab") and TYPE categorizes the optab based on its inputs and
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46 outputs. The possible types of optab are:
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47
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48 - mask_load: currently just maskload
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49 - load_lanes: currently just vec_load_lanes
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131
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50 - mask_load_lanes: currently just vec_mask_load_lanes
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51 - gather_load: used for {mask_,}gather_load
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111
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52
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53 - mask_store: currently just maskstore
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54 - store_lanes: currently just vec_store_lanes
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131
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55 - mask_store_lanes: currently just vec_mask_store_lanes
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56 - scatter_store: used for {mask_,}scatter_store
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57
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58 - unary: a normal unary optab, such as vec_reverse_<mode>
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59 - binary: a normal binary optab, such as vec_interleave_lo_<mode>
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60 - ternary: a normal ternary optab, such as fma<mode>4
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61
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62 - cond_binary: a conditional binary optab, such as cond_add<mode>
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63 - cond_ternary: a conditional ternary optab, such as cond_fma_rev<mode>
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64
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65 - fold_left: for scalar = FN (scalar, vector), keyed off the vector mode
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66 - check_ptrs: used for check_{raw,war}_ptrs
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131
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67
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68 DEF_INTERNAL_SIGNED_OPTAB_FN defines an internal function that
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69 maps to one of two optabs, depending on the signedness of an input.
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70 SIGNED_OPTAB and UNSIGNED_OPTAB are the optabs for signed and
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71 unsigned inputs respectively, both without the trailing "_optab".
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72 SELECTOR says which type in the tree_pair determines the signedness.
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73
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74 DEF_INTERNAL_FLT_FN is like DEF_INTERNAL_OPTAB_FN, but in addition,
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75 the function implements the computational part of a built-in math
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76 function BUILT_IN_<NAME>{F,,L}. Unlike some built-in functions,
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77 these internal functions never set errno.
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78
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79 DEF_INTERNAL_INT_FN is like DEF_INTERNAL_OPTAB_FN, but in addition
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80 says that the function extends the C-level BUILT_IN_<NAME>{,L,LL,IMAX}
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81 group of functions to any integral mode (including vector modes).
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82
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83 Each entry must have a corresponding expander of the form:
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84
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85 void expand_NAME (gimple_call stmt)
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86
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87 where STMT is the statement that performs the call. These are generated
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88 automatically for optab functions and call out to a function or macro
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89 called expand_<TYPE>_optab_fn. */
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90
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91 #ifndef DEF_INTERNAL_FN
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92 #define DEF_INTERNAL_FN(CODE, FLAGS, FNSPEC)
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93 #endif
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94
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95 #ifndef DEF_INTERNAL_OPTAB_FN
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96 #define DEF_INTERNAL_OPTAB_FN(NAME, FLAGS, OPTAB, TYPE) \
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97 DEF_INTERNAL_FN (NAME, FLAGS | ECF_LEAF, NULL)
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98 #endif
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99
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131
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100 #ifndef DEF_INTERNAL_SIGNED_OPTAB_FN
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101 #define DEF_INTERNAL_SIGNED_OPTAB_FN(NAME, FLAGS, SELECTOR, SIGNED_OPTAB, \
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102 UNSIGNED_OPTAB, TYPE) \
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103 DEF_INTERNAL_FN (NAME, FLAGS | ECF_LEAF, NULL)
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104 #endif
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105
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111
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106 #ifndef DEF_INTERNAL_FLT_FN
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107 #define DEF_INTERNAL_FLT_FN(NAME, FLAGS, OPTAB, TYPE) \
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108 DEF_INTERNAL_OPTAB_FN (NAME, FLAGS, OPTAB, TYPE)
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109 #endif
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110
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131
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111 #ifndef DEF_INTERNAL_FLT_FLOATN_FN
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112 #define DEF_INTERNAL_FLT_FLOATN_FN(NAME, FLAGS, OPTAB, TYPE) \
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113 DEF_INTERNAL_FLT_FN (NAME, FLAGS, OPTAB, TYPE)
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114 #endif
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115
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111
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116 #ifndef DEF_INTERNAL_INT_FN
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117 #define DEF_INTERNAL_INT_FN(NAME, FLAGS, OPTAB, TYPE) \
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118 DEF_INTERNAL_OPTAB_FN (NAME, FLAGS, OPTAB, TYPE)
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119 #endif
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120
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121 DEF_INTERNAL_OPTAB_FN (MASK_LOAD, ECF_PURE, maskload, mask_load)
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122 DEF_INTERNAL_OPTAB_FN (LOAD_LANES, ECF_CONST, vec_load_lanes, load_lanes)
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131
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123 DEF_INTERNAL_OPTAB_FN (MASK_LOAD_LANES, ECF_PURE,
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124 vec_mask_load_lanes, mask_load_lanes)
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125
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126 DEF_INTERNAL_OPTAB_FN (GATHER_LOAD, ECF_PURE, gather_load, gather_load)
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127 DEF_INTERNAL_OPTAB_FN (MASK_GATHER_LOAD, ECF_PURE,
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128 mask_gather_load, gather_load)
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129
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130 DEF_INTERNAL_OPTAB_FN (SCATTER_STORE, 0, scatter_store, scatter_store)
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131 DEF_INTERNAL_OPTAB_FN (MASK_SCATTER_STORE, 0,
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132 mask_scatter_store, scatter_store)
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111
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133
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134 DEF_INTERNAL_OPTAB_FN (MASK_STORE, 0, maskstore, mask_store)
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135 DEF_INTERNAL_OPTAB_FN (STORE_LANES, ECF_CONST, vec_store_lanes, store_lanes)
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131
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136 DEF_INTERNAL_OPTAB_FN (MASK_STORE_LANES, 0,
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137 vec_mask_store_lanes, mask_store_lanes)
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138
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139 DEF_INTERNAL_OPTAB_FN (WHILE_ULT, ECF_CONST | ECF_NOTHROW, while_ult, while)
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145
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140 DEF_INTERNAL_OPTAB_FN (CHECK_RAW_PTRS, ECF_CONST | ECF_NOTHROW,
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141 check_raw_ptrs, check_ptrs)
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142 DEF_INTERNAL_OPTAB_FN (CHECK_WAR_PTRS, ECF_CONST | ECF_NOTHROW,
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143 check_war_ptrs, check_ptrs)
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131
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144
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145 DEF_INTERNAL_OPTAB_FN (VEC_SHL_INSERT, ECF_CONST | ECF_NOTHROW,
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146 vec_shl_insert, binary)
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147
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145
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148 DEF_INTERNAL_OPTAB_FN (DIV_POW2, ECF_CONST | ECF_NOTHROW, sdiv_pow2, binary)
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149
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131
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150 DEF_INTERNAL_OPTAB_FN (FMS, ECF_CONST, fms, ternary)
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151 DEF_INTERNAL_OPTAB_FN (FNMA, ECF_CONST, fnma, ternary)
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152 DEF_INTERNAL_OPTAB_FN (FNMS, ECF_CONST, fnms, ternary)
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153
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154 DEF_INTERNAL_SIGNED_OPTAB_FN (AVG_FLOOR, ECF_CONST | ECF_NOTHROW, first,
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155 savg_floor, uavg_floor, binary)
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156 DEF_INTERNAL_SIGNED_OPTAB_FN (AVG_CEIL, ECF_CONST | ECF_NOTHROW, first,
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157 savg_ceil, uavg_ceil, binary)
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158
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145
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159 DEF_INTERNAL_SIGNED_OPTAB_FN (MULHS, ECF_CONST | ECF_NOTHROW, first,
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160 smulhs, umulhs, binary)
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161 DEF_INTERNAL_SIGNED_OPTAB_FN (MULHRS, ECF_CONST | ECF_NOTHROW, first,
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162 smulhrs, umulhrs, binary)
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163
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131
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164 DEF_INTERNAL_OPTAB_FN (COND_ADD, ECF_CONST, cond_add, cond_binary)
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165 DEF_INTERNAL_OPTAB_FN (COND_SUB, ECF_CONST, cond_sub, cond_binary)
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166 DEF_INTERNAL_OPTAB_FN (COND_MUL, ECF_CONST, cond_smul, cond_binary)
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167 DEF_INTERNAL_SIGNED_OPTAB_FN (COND_DIV, ECF_CONST, first,
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168 cond_sdiv, cond_udiv, cond_binary)
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169 DEF_INTERNAL_SIGNED_OPTAB_FN (COND_MOD, ECF_CONST, first,
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170 cond_smod, cond_umod, cond_binary)
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171 DEF_INTERNAL_OPTAB_FN (COND_RDIV, ECF_CONST, cond_sdiv, cond_binary)
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172 DEF_INTERNAL_SIGNED_OPTAB_FN (COND_MIN, ECF_CONST, first,
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173 cond_smin, cond_umin, cond_binary)
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174 DEF_INTERNAL_SIGNED_OPTAB_FN (COND_MAX, ECF_CONST, first,
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175 cond_smax, cond_umax, cond_binary)
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176 DEF_INTERNAL_OPTAB_FN (COND_AND, ECF_CONST | ECF_NOTHROW,
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177 cond_and, cond_binary)
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178 DEF_INTERNAL_OPTAB_FN (COND_IOR, ECF_CONST | ECF_NOTHROW,
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179 cond_ior, cond_binary)
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180 DEF_INTERNAL_OPTAB_FN (COND_XOR, ECF_CONST | ECF_NOTHROW,
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181 cond_xor, cond_binary)
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145
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182 DEF_INTERNAL_OPTAB_FN (COND_SHL, ECF_CONST | ECF_NOTHROW,
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183 cond_ashl, cond_binary)
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184 DEF_INTERNAL_SIGNED_OPTAB_FN (COND_SHR, ECF_CONST | ECF_NOTHROW, first,
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185 cond_ashr, cond_lshr, cond_binary)
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131
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186
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187 DEF_INTERNAL_OPTAB_FN (COND_FMA, ECF_CONST, cond_fma, cond_ternary)
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188 DEF_INTERNAL_OPTAB_FN (COND_FMS, ECF_CONST, cond_fms, cond_ternary)
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189 DEF_INTERNAL_OPTAB_FN (COND_FNMA, ECF_CONST, cond_fnma, cond_ternary)
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190 DEF_INTERNAL_OPTAB_FN (COND_FNMS, ECF_CONST, cond_fnms, cond_ternary)
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111
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191
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192 DEF_INTERNAL_OPTAB_FN (RSQRT, ECF_CONST, rsqrt, unary)
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193
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131
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194 DEF_INTERNAL_OPTAB_FN (REDUC_PLUS, ECF_CONST | ECF_NOTHROW,
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195 reduc_plus_scal, unary)
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196 DEF_INTERNAL_SIGNED_OPTAB_FN (REDUC_MAX, ECF_CONST | ECF_NOTHROW, first,
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197 reduc_smax_scal, reduc_umax_scal, unary)
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198 DEF_INTERNAL_SIGNED_OPTAB_FN (REDUC_MIN, ECF_CONST | ECF_NOTHROW, first,
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199 reduc_smin_scal, reduc_umin_scal, unary)
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200 DEF_INTERNAL_OPTAB_FN (REDUC_AND, ECF_CONST | ECF_NOTHROW,
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201 reduc_and_scal, unary)
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202 DEF_INTERNAL_OPTAB_FN (REDUC_IOR, ECF_CONST | ECF_NOTHROW,
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203 reduc_ior_scal, unary)
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204 DEF_INTERNAL_OPTAB_FN (REDUC_XOR, ECF_CONST | ECF_NOTHROW,
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205 reduc_xor_scal, unary)
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206
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207 /* Extract the last active element from a vector. */
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208 DEF_INTERNAL_OPTAB_FN (EXTRACT_LAST, ECF_CONST | ECF_NOTHROW,
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209 extract_last, fold_left)
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210
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211 /* Same, but return the first argument if no elements are active. */
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212 DEF_INTERNAL_OPTAB_FN (FOLD_EXTRACT_LAST, ECF_CONST | ECF_NOTHROW,
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213 fold_extract_last, fold_extract)
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214
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215 DEF_INTERNAL_OPTAB_FN (FOLD_LEFT_PLUS, ECF_CONST | ECF_NOTHROW,
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216 fold_left_plus, fold_left)
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217
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145
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218 DEF_INTERNAL_OPTAB_FN (MASK_FOLD_LEFT_PLUS, ECF_CONST | ECF_NOTHROW,
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219 mask_fold_left_plus, mask_fold_left)
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220
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111
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221 /* Unary math functions. */
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222 DEF_INTERNAL_FLT_FN (ACOS, ECF_CONST, acos, unary)
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145
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223 DEF_INTERNAL_FLT_FN (ACOSH, ECF_CONST, acosh, unary)
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111
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224 DEF_INTERNAL_FLT_FN (ASIN, ECF_CONST, asin, unary)
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145
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225 DEF_INTERNAL_FLT_FN (ASINH, ECF_CONST, asinh, unary)
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111
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226 DEF_INTERNAL_FLT_FN (ATAN, ECF_CONST, atan, unary)
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145
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227 DEF_INTERNAL_FLT_FN (ATANH, ECF_CONST, atanh, unary)
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111
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228 DEF_INTERNAL_FLT_FN (COS, ECF_CONST, cos, unary)
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145
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229 DEF_INTERNAL_FLT_FN (COSH, ECF_CONST, cosh, unary)
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111
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230 DEF_INTERNAL_FLT_FN (EXP, ECF_CONST, exp, unary)
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231 DEF_INTERNAL_FLT_FN (EXP10, ECF_CONST, exp10, unary)
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232 DEF_INTERNAL_FLT_FN (EXP2, ECF_CONST, exp2, unary)
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233 DEF_INTERNAL_FLT_FN (EXPM1, ECF_CONST, expm1, unary)
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234 DEF_INTERNAL_FLT_FN (LOG, ECF_CONST, log, unary)
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235 DEF_INTERNAL_FLT_FN (LOG10, ECF_CONST, log10, unary)
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236 DEF_INTERNAL_FLT_FN (LOG1P, ECF_CONST, log1p, unary)
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237 DEF_INTERNAL_FLT_FN (LOG2, ECF_CONST, log2, unary)
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238 DEF_INTERNAL_FLT_FN (LOGB, ECF_CONST, logb, unary)
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145
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239 DEF_INTERNAL_FLT_FN (SIGNBIT, ECF_CONST, signbit, unary)
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111
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240 DEF_INTERNAL_FLT_FN (SIGNIFICAND, ECF_CONST, significand, unary)
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241 DEF_INTERNAL_FLT_FN (SIN, ECF_CONST, sin, unary)
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145
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242 DEF_INTERNAL_FLT_FN (SINH, ECF_CONST, sinh, unary)
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131
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243 DEF_INTERNAL_FLT_FLOATN_FN (SQRT, ECF_CONST, sqrt, unary)
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111
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244 DEF_INTERNAL_FLT_FN (TAN, ECF_CONST, tan, unary)
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145
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245 DEF_INTERNAL_FLT_FN (TANH, ECF_CONST, tanh, unary)
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111
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246
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247 /* FP rounding. */
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131
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248 DEF_INTERNAL_FLT_FLOATN_FN (CEIL, ECF_CONST, ceil, unary)
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249 DEF_INTERNAL_FLT_FLOATN_FN (FLOOR, ECF_CONST, floor, unary)
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250 DEF_INTERNAL_FLT_FLOATN_FN (NEARBYINT, ECF_CONST, nearbyint, unary)
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251 DEF_INTERNAL_FLT_FLOATN_FN (RINT, ECF_CONST, rint, unary)
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252 DEF_INTERNAL_FLT_FLOATN_FN (ROUND, ECF_CONST, round, unary)
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145
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253 DEF_INTERNAL_FLT_FLOATN_FN (ROUNDEVEN, ECF_CONST, roundeven, unary)
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131
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254 DEF_INTERNAL_FLT_FLOATN_FN (TRUNC, ECF_CONST, btrunc, unary)
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111
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255
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256 /* Binary math functions. */
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257 DEF_INTERNAL_FLT_FN (ATAN2, ECF_CONST, atan2, binary)
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131
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258 DEF_INTERNAL_FLT_FLOATN_FN (COPYSIGN, ECF_CONST, copysign, binary)
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111
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259 DEF_INTERNAL_FLT_FN (FMOD, ECF_CONST, fmod, binary)
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145
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260 DEF_INTERNAL_FLT_FN (HYPOT, ECF_CONST, hypot, binary)
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111
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261 DEF_INTERNAL_FLT_FN (POW, ECF_CONST, pow, binary)
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262 DEF_INTERNAL_FLT_FN (REMAINDER, ECF_CONST, remainder, binary)
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263 DEF_INTERNAL_FLT_FN (SCALB, ECF_CONST, scalb, binary)
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131
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264 DEF_INTERNAL_FLT_FLOATN_FN (FMIN, ECF_CONST, fmin, binary)
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265 DEF_INTERNAL_FLT_FLOATN_FN (FMAX, ECF_CONST, fmax, binary)
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111
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266 DEF_INTERNAL_OPTAB_FN (XORSIGN, ECF_CONST, xorsign, binary)
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267
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268 /* FP scales. */
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269 DEF_INTERNAL_FLT_FN (LDEXP, ECF_CONST, ldexp, binary)
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270
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131
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271 /* Ternary math functions. */
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272 DEF_INTERNAL_FLT_FLOATN_FN (FMA, ECF_CONST, fma, ternary)
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273
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111
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274 /* Unary integer ops. */
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275 DEF_INTERNAL_INT_FN (CLRSB, ECF_CONST | ECF_NOTHROW, clrsb, unary)
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276 DEF_INTERNAL_INT_FN (CLZ, ECF_CONST | ECF_NOTHROW, clz, unary)
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277 DEF_INTERNAL_INT_FN (CTZ, ECF_CONST | ECF_NOTHROW, ctz, unary)
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278 DEF_INTERNAL_INT_FN (FFS, ECF_CONST | ECF_NOTHROW, ffs, unary)
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279 DEF_INTERNAL_INT_FN (PARITY, ECF_CONST | ECF_NOTHROW, parity, unary)
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280 DEF_INTERNAL_INT_FN (POPCOUNT, ECF_CONST | ECF_NOTHROW, popcount, unary)
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281
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282 DEF_INTERNAL_FN (GOMP_USE_SIMT, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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283 DEF_INTERNAL_FN (GOMP_SIMT_ENTER, ECF_LEAF | ECF_NOTHROW, NULL)
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284 DEF_INTERNAL_FN (GOMP_SIMT_ENTER_ALLOC, ECF_LEAF | ECF_NOTHROW, NULL)
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285 DEF_INTERNAL_FN (GOMP_SIMT_EXIT, ECF_LEAF | ECF_NOTHROW, NULL)
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286 DEF_INTERNAL_FN (GOMP_SIMT_LANE, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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287 DEF_INTERNAL_FN (GOMP_SIMT_VF, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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288 DEF_INTERNAL_FN (GOMP_SIMT_LAST_LANE, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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289 DEF_INTERNAL_FN (GOMP_SIMT_ORDERED_PRED, ECF_LEAF | ECF_NOTHROW, NULL)
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290 DEF_INTERNAL_FN (GOMP_SIMT_VOTE_ANY, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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291 DEF_INTERNAL_FN (GOMP_SIMT_XCHG_BFLY, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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292 DEF_INTERNAL_FN (GOMP_SIMT_XCHG_IDX, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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293 DEF_INTERNAL_FN (GOMP_SIMD_LANE, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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294 DEF_INTERNAL_FN (GOMP_SIMD_VF, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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295 DEF_INTERNAL_FN (GOMP_SIMD_LAST_LANE, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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296 DEF_INTERNAL_FN (GOMP_SIMD_ORDERED_START, ECF_LEAF | ECF_NOTHROW, NULL)
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297 DEF_INTERNAL_FN (GOMP_SIMD_ORDERED_END, ECF_LEAF | ECF_NOTHROW, NULL)
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298 DEF_INTERNAL_FN (LOOP_VECTORIZED, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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299 DEF_INTERNAL_FN (LOOP_DIST_ALIAS, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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300 DEF_INTERNAL_FN (ANNOTATE, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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301 DEF_INTERNAL_FN (UBSAN_NULL, ECF_LEAF | ECF_NOTHROW, ".R.")
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302 DEF_INTERNAL_FN (UBSAN_BOUNDS, ECF_LEAF | ECF_NOTHROW, NULL)
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303 DEF_INTERNAL_FN (UBSAN_VPTR, ECF_LEAF | ECF_NOTHROW, ".RR..")
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304 DEF_INTERNAL_FN (UBSAN_CHECK_ADD, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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305 DEF_INTERNAL_FN (UBSAN_CHECK_SUB, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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306 DEF_INTERNAL_FN (UBSAN_CHECK_MUL, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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307 DEF_INTERNAL_FN (UBSAN_PTR, ECF_LEAF | ECF_NOTHROW, ".R.")
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308 DEF_INTERNAL_FN (UBSAN_OBJECT_SIZE, ECF_LEAF | ECF_NOTHROW, NULL)
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309 DEF_INTERNAL_FN (ABNORMAL_DISPATCHER, ECF_NORETURN, NULL)
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310 DEF_INTERNAL_FN (BUILTIN_EXPECT, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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131
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311 DEF_INTERNAL_FN (ASAN_CHECK, ECF_TM_PURE | ECF_LEAF | ECF_NOTHROW, "..R..")
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312 DEF_INTERNAL_FN (ASAN_MARK, ECF_LEAF | ECF_NOTHROW, NULL)
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111
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313 DEF_INTERNAL_FN (ASAN_POISON, ECF_LEAF | ECF_NOTHROW | ECF_NOVOPS, NULL)
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314 DEF_INTERNAL_FN (ASAN_POISON_USE, ECF_LEAF | ECF_NOTHROW | ECF_NOVOPS, NULL)
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315 DEF_INTERNAL_FN (ADD_OVERFLOW, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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316 DEF_INTERNAL_FN (SUB_OVERFLOW, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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317 DEF_INTERNAL_FN (MUL_OVERFLOW, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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318 DEF_INTERNAL_FN (TSAN_FUNC_EXIT, ECF_NOVOPS | ECF_LEAF | ECF_NOTHROW, NULL)
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319 DEF_INTERNAL_FN (VA_ARG, ECF_NOTHROW | ECF_LEAF, NULL)
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145
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320 DEF_INTERNAL_FN (VEC_CONVERT, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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111
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321
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322 /* An unduplicable, uncombinable function. Generally used to preserve
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323 a CFG property in the face of jump threading, tail merging or
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324 other such optimizations. The first argument distinguishes
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325 between uses. See internal-fn.h for usage. */
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326 DEF_INTERNAL_FN (UNIQUE, ECF_NOTHROW, NULL)
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327 DEF_INTERNAL_FN (PHI, 0, NULL)
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328
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329 /* DIM_SIZE and DIM_POS return the size of a particular compute
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330 dimension and the executing thread's position within that
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331 dimension. DIM_POS is pure (and not const) so that it isn't
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332 thought to clobber memory and can be gcse'd within a single
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333 parallel region, but not across FORK/JOIN boundaries. They take a
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334 single INTEGER_CST argument. This might be overly conservative. */
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335 DEF_INTERNAL_FN (GOACC_DIM_SIZE, ECF_CONST | ECF_NOTHROW | ECF_LEAF, ".")
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336 DEF_INTERNAL_FN (GOACC_DIM_POS, ECF_PURE | ECF_NOTHROW | ECF_LEAF, ".")
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337
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338 /* OpenACC looping abstraction. See internal-fn.h for usage. */
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339 DEF_INTERNAL_FN (GOACC_LOOP, ECF_PURE | ECF_NOTHROW, NULL)
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340
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341 /* OpenACC reduction abstraction. See internal-fn.h for usage. */
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342 DEF_INTERNAL_FN (GOACC_REDUCTION, ECF_NOTHROW | ECF_LEAF, NULL)
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343
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344 /* Openacc tile abstraction. Describes the spans of the element loop.
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345 GOACC_TILE (num-loops, loop-no, tile-arg, tile-mask, element-mask). */
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346 DEF_INTERNAL_FN (GOACC_TILE, ECF_NOTHROW | ECF_LEAF, NULL)
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347
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348 /* Set errno to EDOM, if GCC knows how to do that directly for the
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349 current target. */
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350 DEF_INTERNAL_FN (SET_EDOM, ECF_LEAF | ECF_NOTHROW, NULL)
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351
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352 /* Atomic functions. These don't have ECF_NOTHROW because for
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353 -fnon-call-exceptions they can throw, otherwise we set
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354 gimple_call_nothrow_p on it. */
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355 DEF_INTERNAL_FN (ATOMIC_BIT_TEST_AND_SET, ECF_LEAF, NULL)
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356 DEF_INTERNAL_FN (ATOMIC_BIT_TEST_AND_COMPLEMENT, ECF_LEAF, NULL)
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357 DEF_INTERNAL_FN (ATOMIC_BIT_TEST_AND_RESET, ECF_LEAF, NULL)
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358 DEF_INTERNAL_FN (ATOMIC_COMPARE_EXCHANGE, ECF_LEAF, NULL)
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359
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360 /* To implement [[fallthrough]]. */
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361 DEF_INTERNAL_FN (FALLTHROUGH, ECF_LEAF | ECF_NOTHROW, NULL)
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362
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363 /* To implement __builtin_launder. */
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364 DEF_INTERNAL_FN (LAUNDER, ECF_LEAF | ECF_NOTHROW | ECF_NOVOPS, NULL)
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365
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366 /* Divmod function. */
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367 DEF_INTERNAL_FN (DIVMOD, ECF_CONST | ECF_LEAF, NULL)
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368
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145
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369 /* For coroutines. */
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370 DEF_INTERNAL_FN (CO_ACTOR, ECF_NOTHROW | ECF_LEAF, NULL)
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371 DEF_INTERNAL_FN (CO_YIELD, ECF_NOTHROW, NULL)
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372 DEF_INTERNAL_FN (CO_SUSPN, ECF_NOTHROW, NULL)
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373 DEF_INTERNAL_FN (CO_FRAME, ECF_PURE | ECF_NOTHROW | ECF_LEAF, NULL)
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374
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131
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375 /* A NOP function with arbitrary arguments and return value. */
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376 DEF_INTERNAL_FN (NOP, ECF_CONST | ECF_LEAF | ECF_NOTHROW, NULL)
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377
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111
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378 #undef DEF_INTERNAL_INT_FN
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379 #undef DEF_INTERNAL_FLT_FN
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131
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380 #undef DEF_INTERNAL_FLT_FLOATN_FN
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381 #undef DEF_INTERNAL_SIGNED_OPTAB_FN
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111
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382 #undef DEF_INTERNAL_OPTAB_FN
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383 #undef DEF_INTERNAL_FN
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