[8833] | 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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