1 | /* Subroutines needed by GCC output code on some machines. */ |
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2 | /* Compile this file with the Unix C compiler! */ |
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3 | /* Copyright (C) 1987, 1988, 1992, 1994, 1995 Free Software Foundation, Inc. |
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4 | |
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5 | This file is free software; you can redistribute it and/or modify it |
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6 | under the terms of the GNU General Public License as published by the |
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7 | Free Software Foundation; either version 2, or (at your option) any |
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8 | later version. |
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9 | |
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10 | In addition to the permissions in the GNU General Public License, the |
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11 | Free Software Foundation gives you unlimited permission to link the |
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12 | compiled version of this file with other programs, and to distribute |
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13 | those programs without any restriction coming from the use of this |
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14 | file. (The General Public License restrictions do apply in other |
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15 | respects; for example, they cover modification of the file, and |
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16 | distribution when not linked into another program.) |
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17 | |
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18 | This file is distributed in the hope that it will be useful, but |
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19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
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20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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21 | General Public License for more details. |
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22 | |
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23 | You should have received a copy of the GNU General Public License |
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24 | along with this program; see the file COPYING. If not, write to |
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25 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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26 | Boston, MA 02111-1307, USA. */ |
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27 | |
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28 | /* As a special exception, if you link this library with other files, |
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29 | some of which are compiled with GCC, to produce an executable, |
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30 | this library does not by itself cause the resulting executable |
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31 | to be covered by the GNU General Public License. |
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32 | This exception does not however invalidate any other reasons why |
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33 | the executable file might be covered by the GNU General Public License. */ |
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34 | |
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35 | #include "config.h" |
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36 | |
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37 | /* Don't use `fancy_abort' here even if config.h says to use it. */ |
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38 | #ifdef abort |
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39 | #undef abort |
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40 | #endif |
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41 | |
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42 | /* On some machines, cc is really GCC. For these machines, we can't |
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43 | expect these functions to be properly compiled unless GCC open codes |
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44 | the operation (which is precisely when the function won't be used). |
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45 | So allow tm.h to specify ways of accomplishing the operations |
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46 | by defining the macros perform_*. |
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47 | |
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48 | On a machine where cc is some other compiler, there is usually no |
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49 | reason to define perform_*. The other compiler normally has other ways |
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50 | of implementing all of these operations. |
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51 | |
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52 | In some cases a certain machine may come with GCC installed as cc |
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53 | or may have some other compiler. Then it may make sense for tm.h |
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54 | to define perform_* only if __GNUC__ is defined. */ |
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55 | |
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56 | #ifndef perform_mulsi3 |
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57 | #define perform_mulsi3(a, b) return a * b |
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58 | #endif |
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59 | |
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60 | #ifndef perform_divsi3 |
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61 | #define perform_divsi3(a, b) return a / b |
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62 | #endif |
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63 | |
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64 | #ifndef perform_udivsi3 |
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65 | #define perform_udivsi3(a, b) return a / b |
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66 | #endif |
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67 | |
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68 | #ifndef perform_modsi3 |
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69 | #define perform_modsi3(a, b) return a % b |
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70 | #endif |
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71 | |
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72 | #ifndef perform_umodsi3 |
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73 | #define perform_umodsi3(a, b) return a % b |
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74 | #endif |
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75 | |
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76 | #ifndef perform_lshrsi3 |
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77 | #define perform_lshrsi3(a, b) return a >> b |
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78 | #endif |
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79 | |
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80 | #ifndef perform_ashrsi3 |
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81 | #define perform_ashrsi3(a, b) return a >> b |
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82 | #endif |
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83 | |
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84 | #ifndef perform_ashlsi3 |
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85 | #define perform_ashlsi3(a, b) return a << b |
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86 | #endif |
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87 | |
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88 | #ifndef perform_adddf3 |
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89 | #define perform_adddf3(a, b) return a + b |
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90 | #endif |
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91 | |
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92 | #ifndef perform_subdf3 |
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93 | #define perform_subdf3(a, b) return a - b |
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94 | #endif |
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95 | |
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96 | #ifndef perform_muldf3 |
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97 | #define perform_muldf3(a, b) return a * b |
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98 | #endif |
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99 | |
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100 | #ifndef perform_divdf3 |
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101 | #define perform_divdf3(a, b) return a / b |
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102 | #endif |
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103 | |
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104 | #ifndef perform_addsf3 |
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105 | #define perform_addsf3(a, b) return INTIFY (a + b) |
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106 | #endif |
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107 | |
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108 | #ifndef perform_subsf3 |
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109 | #define perform_subsf3(a, b) return INTIFY (a - b) |
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110 | #endif |
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111 | |
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112 | #ifndef perform_mulsf3 |
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113 | #define perform_mulsf3(a, b) return INTIFY (a * b) |
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114 | #endif |
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115 | |
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116 | #ifndef perform_divsf3 |
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117 | #define perform_divsf3(a, b) return INTIFY (a / b) |
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118 | #endif |
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119 | |
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120 | #ifndef perform_negdf2 |
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121 | #define perform_negdf2(a) return -a |
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122 | #endif |
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123 | |
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124 | #ifndef perform_negsf2 |
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125 | #define perform_negsf2(a) return INTIFY (-a) |
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126 | #endif |
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127 | |
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128 | #ifndef perform_fixdfsi |
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129 | #define perform_fixdfsi(a) return (nongcc_SI_type) a; |
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130 | #endif |
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131 | |
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132 | #ifndef perform_fixsfsi |
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133 | #define perform_fixsfsi(a) return (nongcc_SI_type) a |
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134 | #endif |
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135 | |
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136 | #ifndef perform_floatsidf |
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137 | #define perform_floatsidf(a) return (double) a |
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138 | #endif |
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139 | |
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140 | #ifndef perform_floatsisf |
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141 | #define perform_floatsisf(a) return INTIFY ((float) a) |
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142 | #endif |
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143 | |
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144 | #ifndef perform_extendsfdf2 |
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145 | #define perform_extendsfdf2(a) return a |
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146 | #endif |
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147 | |
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148 | #ifndef perform_truncdfsf2 |
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149 | #define perform_truncdfsf2(a) return INTIFY (a) |
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150 | #endif |
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151 | |
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152 | /* Note that eqdf2 returns a value for "true" that is == 0, |
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153 | nedf2 returns a value for "true" that is != 0, |
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154 | gtdf2 returns a value for "true" that is > 0, |
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155 | and so on. */ |
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156 | |
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157 | #ifndef perform_eqdf2 |
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158 | #define perform_eqdf2(a, b) return !(a == b) |
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159 | #endif |
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160 | |
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161 | #ifndef perform_nedf2 |
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162 | #define perform_nedf2(a, b) return a != b |
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163 | #endif |
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164 | |
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165 | #ifndef perform_gtdf2 |
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166 | #define perform_gtdf2(a, b) return a > b |
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167 | #endif |
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168 | |
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169 | #ifndef perform_gedf2 |
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170 | #define perform_gedf2(a, b) return (a >= b) - 1 |
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171 | #endif |
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172 | |
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173 | #ifndef perform_ltdf2 |
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174 | #define perform_ltdf2(a, b) return -(a < b) |
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175 | #endif |
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176 | |
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177 | #ifndef perform_ledf2 |
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178 | #define perform_ledf2(a, b) return 1 - (a <= b) |
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179 | #endif |
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180 | |
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181 | #ifndef perform_eqsf2 |
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182 | #define perform_eqsf2(a, b) return !(a == b) |
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183 | #endif |
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184 | |
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185 | #ifndef perform_nesf2 |
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186 | #define perform_nesf2(a, b) return a != b |
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187 | #endif |
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188 | |
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189 | #ifndef perform_gtsf2 |
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190 | #define perform_gtsf2(a, b) return a > b |
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191 | #endif |
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192 | |
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193 | #ifndef perform_gesf2 |
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194 | #define perform_gesf2(a, b) return (a >= b) - 1 |
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195 | #endif |
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196 | |
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197 | #ifndef perform_ltsf2 |
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198 | #define perform_ltsf2(a, b) return -(a < b) |
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199 | #endif |
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200 | |
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201 | #ifndef perform_lesf2 |
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202 | #define perform_lesf2(a, b) return 1 - (a <= b); |
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203 | #endif |
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204 | |
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205 | /* Define the C data type to use for an SImode value. */ |
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206 | |
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207 | #ifndef nongcc_SI_type |
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208 | #define nongcc_SI_type long int |
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209 | #endif |
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210 | |
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211 | /* Define the C data type to use for a value of word size */ |
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212 | #ifndef nongcc_word_type |
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213 | #define nongcc_word_type nongcc_SI_type |
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214 | #endif |
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215 | |
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216 | /* Define the type to be used for returning an SF mode value |
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217 | and the method for turning a float into that type. |
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218 | These definitions work for machines where an SF value is |
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219 | returned in the same register as an int. */ |
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220 | |
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221 | #ifndef FLOAT_VALUE_TYPE |
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222 | #define FLOAT_VALUE_TYPE int |
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223 | #endif |
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224 | |
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225 | #ifndef INTIFY |
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226 | #define INTIFY(FLOATVAL) (intify.f = (FLOATVAL), intify.i) |
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227 | #endif |
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228 | |
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229 | #ifndef FLOATIFY |
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230 | #define FLOATIFY(INTVAL) ((INTVAL).f) |
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231 | #endif |
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232 | |
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233 | #ifndef FLOAT_ARG_TYPE |
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234 | #define FLOAT_ARG_TYPE union flt_or_int |
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235 | #endif |
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236 | |
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237 | union flt_or_value { FLOAT_VALUE_TYPE i; float f; }; |
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238 | |
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239 | union flt_or_int { int i; float f; }; |
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240 | |
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241 | |
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242 | #ifdef L_mulsi3 |
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243 | nongcc_SI_type |
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244 | __mulsi3 (a, b) |
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245 | nongcc_SI_type a, b; |
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246 | { |
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247 | perform_mulsi3 (a, b); |
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248 | } |
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249 | #endif |
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250 | |
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251 | #ifdef L_udivsi3 |
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252 | nongcc_SI_type |
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253 | __udivsi3 (a, b) |
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254 | unsigned nongcc_SI_type a, b; |
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255 | { |
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256 | perform_udivsi3 (a, b); |
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257 | } |
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258 | #endif |
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259 | |
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260 | #ifdef L_divsi3 |
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261 | nongcc_SI_type |
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262 | __divsi3 (a, b) |
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263 | nongcc_SI_type a, b; |
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264 | { |
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265 | perform_divsi3 (a, b); |
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266 | } |
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267 | #endif |
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268 | |
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269 | #ifdef L_umodsi3 |
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270 | nongcc_SI_type |
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271 | __umodsi3 (a, b) |
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272 | unsigned nongcc_SI_type a, b; |
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273 | { |
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274 | perform_umodsi3 (a, b); |
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275 | } |
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276 | #endif |
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277 | |
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278 | #ifdef L_modsi3 |
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279 | nongcc_SI_type |
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280 | __modsi3 (a, b) |
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281 | nongcc_SI_type a, b; |
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282 | { |
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283 | perform_modsi3 (a, b); |
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284 | } |
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285 | #endif |
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286 | |
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287 | #ifdef L_lshrsi3 |
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288 | nongcc_SI_type |
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289 | __lshrsi3 (a, b) |
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290 | unsigned nongcc_SI_type a, b; |
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291 | { |
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292 | perform_lshrsi3 (a, b); |
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293 | } |
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294 | #endif |
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295 | |
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296 | #ifdef L_ashrsi3 |
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297 | nongcc_SI_type |
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298 | __ashrsi3 (a, b) |
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299 | nongcc_SI_type a, b; |
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300 | { |
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301 | perform_ashrsi3 (a, b); |
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302 | } |
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303 | #endif |
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304 | |
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305 | #ifdef L_ashlsi3 |
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306 | nongcc_SI_type |
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307 | __ashlsi3 (a, b) |
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308 | nongcc_SI_type a, b; |
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309 | { |
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310 | perform_ashlsi3 (a, b); |
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311 | } |
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312 | #endif |
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313 | |
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314 | #ifdef L_divdf3 |
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315 | double |
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316 | __divdf3 (a, b) |
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317 | double a, b; |
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318 | { |
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319 | perform_divdf3 (a, b); |
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320 | } |
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321 | #endif |
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322 | |
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323 | #ifdef L_muldf3 |
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324 | double |
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325 | __muldf3 (a, b) |
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326 | double a, b; |
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327 | { |
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328 | perform_muldf3 (a, b); |
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329 | } |
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330 | #endif |
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331 | |
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332 | #ifdef L_negdf2 |
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333 | double |
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334 | __negdf2 (a) |
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335 | double a; |
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336 | { |
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337 | perform_negdf2 (a); |
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338 | } |
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339 | #endif |
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340 | |
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341 | #ifdef L_adddf3 |
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342 | double |
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343 | __adddf3 (a, b) |
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344 | double a, b; |
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345 | { |
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346 | perform_adddf3 (a, b); |
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347 | } |
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348 | #endif |
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349 | |
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350 | #ifdef L_subdf3 |
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351 | double |
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352 | __subdf3 (a, b) |
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353 | double a, b; |
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354 | { |
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355 | perform_subdf3 (a, b); |
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356 | } |
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357 | #endif |
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358 | |
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359 | /* Note that eqdf2 returns a value for "true" that is == 0, |
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360 | nedf2 returns a value for "true" that is != 0, |
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361 | gtdf2 returns a value for "true" that is > 0, |
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362 | and so on. */ |
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363 | |
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364 | #ifdef L_eqdf2 |
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365 | nongcc_word_type |
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366 | __eqdf2 (a, b) |
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367 | double a, b; |
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368 | { |
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369 | /* Value == 0 iff a == b. */ |
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370 | perform_eqdf2 (a, b); |
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371 | } |
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372 | #endif |
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373 | |
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374 | #ifdef L_nedf2 |
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375 | nongcc_word_type |
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376 | __nedf2 (a, b) |
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377 | double a, b; |
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378 | { |
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379 | /* Value != 0 iff a != b. */ |
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380 | perform_nedf2 (a, b); |
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381 | } |
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382 | #endif |
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383 | |
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384 | #ifdef L_gtdf2 |
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385 | nongcc_word_type |
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386 | __gtdf2 (a, b) |
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387 | double a, b; |
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388 | { |
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389 | /* Value > 0 iff a > b. */ |
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390 | perform_gtdf2 (a, b); |
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391 | } |
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392 | #endif |
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393 | |
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394 | #ifdef L_gedf2 |
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395 | nongcc_word_type |
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396 | __gedf2 (a, b) |
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397 | double a, b; |
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398 | { |
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399 | /* Value >= 0 iff a >= b. */ |
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400 | perform_gedf2 (a, b); |
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401 | } |
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402 | #endif |
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403 | |
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404 | #ifdef L_ltdf2 |
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405 | nongcc_word_type |
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406 | __ltdf2 (a, b) |
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407 | double a, b; |
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408 | { |
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409 | /* Value < 0 iff a < b. */ |
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410 | perform_ltdf2 (a, b); |
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411 | } |
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412 | #endif |
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413 | |
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414 | #ifdef L_ledf2 |
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415 | nongcc_word_type |
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416 | __ledf2 (a, b) |
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417 | double a, b; |
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418 | { |
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419 | /* Value <= 0 iff a <= b. */ |
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420 | perform_ledf2 (a, b); |
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421 | } |
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422 | #endif |
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423 | |
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424 | #ifdef L_fixdfsi |
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425 | nongcc_SI_type |
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426 | __fixdfsi (a) |
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427 | double a; |
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428 | { |
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429 | perform_fixdfsi (a); |
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430 | } |
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431 | #endif |
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432 | |
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433 | #ifdef L_fixsfsi |
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434 | nongcc_SI_type |
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435 | __fixsfsi (a) |
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436 | FLOAT_ARG_TYPE a; |
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437 | { |
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438 | union flt_or_value intify; |
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439 | perform_fixsfsi (FLOATIFY (a)); |
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440 | } |
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441 | #endif |
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442 | |
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443 | #ifdef L_floatsidf |
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444 | double |
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445 | __floatsidf (a) |
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446 | nongcc_SI_type a; |
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447 | { |
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448 | perform_floatsidf (a); |
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449 | } |
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450 | #endif |
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451 | |
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452 | #ifdef L_floatsisf |
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453 | FLOAT_VALUE_TYPE |
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454 | __floatsisf (a) |
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455 | nongcc_SI_type a; |
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456 | { |
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457 | union flt_or_value intify; |
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458 | perform_floatsisf (a); |
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459 | } |
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460 | #endif |
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461 | |
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462 | #ifdef L_addsf3 |
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463 | FLOAT_VALUE_TYPE |
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464 | __addsf3 (a, b) |
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465 | FLOAT_ARG_TYPE a, b; |
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466 | { |
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467 | union flt_or_value intify; |
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468 | perform_addsf3 (FLOATIFY (a), FLOATIFY (b)); |
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469 | } |
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470 | #endif |
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471 | |
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472 | #ifdef L_negsf2 |
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473 | FLOAT_VALUE_TYPE |
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474 | __negsf2 (a) |
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475 | FLOAT_ARG_TYPE a; |
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476 | { |
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477 | union flt_or_value intify; |
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478 | perform_negsf2 (FLOATIFY (a)); |
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479 | } |
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480 | #endif |
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481 | |
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482 | #ifdef L_subsf3 |
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483 | FLOAT_VALUE_TYPE |
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484 | __subsf3 (a, b) |
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485 | FLOAT_ARG_TYPE a, b; |
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486 | { |
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487 | union flt_or_value intify; |
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488 | perform_subsf3 (FLOATIFY (a), FLOATIFY (b)); |
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489 | } |
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490 | #endif |
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491 | |
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492 | #ifdef L_eqsf2 |
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493 | nongcc_word_type |
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494 | __eqsf2 (a, b) |
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495 | FLOAT_ARG_TYPE a, b; |
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496 | { |
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497 | union flt_or_int intify; |
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498 | /* Value == 0 iff a == b. */ |
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499 | perform_eqsf2 (FLOATIFY (a), FLOATIFY (b)); |
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500 | } |
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501 | #endif |
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502 | |
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503 | #ifdef L_nesf2 |
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504 | nongcc_word_type |
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505 | __nesf2 (a, b) |
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506 | FLOAT_ARG_TYPE a, b; |
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507 | { |
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508 | union flt_or_int intify; |
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509 | /* Value != 0 iff a != b. */ |
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510 | perform_nesf2 (FLOATIFY (a), FLOATIFY (b)); |
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511 | } |
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512 | #endif |
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513 | |
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514 | #ifdef L_gtsf2 |
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515 | nongcc_word_type |
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516 | __gtsf2 (a, b) |
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517 | FLOAT_ARG_TYPE a, b; |
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518 | { |
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519 | union flt_or_int intify; |
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520 | /* Value > 0 iff a > b. */ |
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521 | perform_gtsf2 (FLOATIFY (a), FLOATIFY (b)); |
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522 | } |
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523 | #endif |
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524 | |
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525 | #ifdef L_gesf2 |
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526 | nongcc_word_type |
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527 | __gesf2 (a, b) |
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528 | FLOAT_ARG_TYPE a, b; |
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529 | { |
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530 | union flt_or_int intify; |
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531 | /* Value >= 0 iff a >= b. */ |
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532 | perform_gesf2 (FLOATIFY (a), FLOATIFY (b)); |
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533 | } |
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534 | #endif |
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535 | |
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536 | #ifdef L_ltsf2 |
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537 | nongcc_word_type |
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538 | __ltsf2 (a, b) |
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539 | FLOAT_ARG_TYPE a, b; |
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540 | { |
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541 | union flt_or_int intify; |
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542 | /* Value < 0 iff a < b. */ |
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543 | perform_ltsf2 (FLOATIFY (a), FLOATIFY (b)); |
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544 | } |
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545 | #endif |
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546 | |
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547 | #ifdef L_lesf2 |
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548 | nongcc_word_type |
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549 | __lesf2 (a, b) |
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550 | FLOAT_ARG_TYPE a, b; |
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551 | { |
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552 | union flt_or_int intify; |
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553 | /* Value <= 0 iff a <= b. */ |
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554 | perform_lesf2 (FLOATIFY (a), FLOATIFY (b)); |
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555 | } |
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556 | #endif |
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557 | |
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558 | #ifdef L_mulsf3 |
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559 | FLOAT_VALUE_TYPE |
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560 | __mulsf3 (a, b) |
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561 | FLOAT_ARG_TYPE a, b; |
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562 | { |
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563 | union flt_or_value intify; |
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564 | perform_mulsf3 (FLOATIFY (a), FLOATIFY (b)); |
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565 | } |
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566 | #endif |
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567 | |
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568 | #ifdef L_divsf3 |
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569 | FLOAT_VALUE_TYPE |
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570 | __divsf3 (a, b) |
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571 | FLOAT_ARG_TYPE a, b; |
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572 | { |
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573 | union flt_or_value intify; |
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574 | perform_divsf3 (FLOATIFY (a), FLOATIFY (b)); |
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575 | } |
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576 | #endif |
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577 | |
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578 | #ifdef L_truncdfsf2 |
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579 | FLOAT_VALUE_TYPE |
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580 | __truncdfsf2 (a) |
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581 | double a; |
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582 | { |
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583 | union flt_or_value intify; |
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584 | perform_truncdfsf2 (a); |
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585 | } |
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586 | #endif |
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587 | |
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588 | #ifdef L_extendsfdf2 |
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589 | double |
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590 | __extendsfdf2 (a) |
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591 | FLOAT_ARG_TYPE a; |
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592 | { |
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593 | union flt_or_value intify; |
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594 | perform_extendsfdf2 (FLOATIFY (a)); |
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595 | } |
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596 | #endif |
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