| 1 | /* Fix for missing "invalid" exceptions from floating-point |
| 2 | comparisons. x86 version. |
| 3 | Copyright (C) 2016-2020 Free Software Foundation, Inc. |
| 4 | This file is part of the GNU C Library. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <https://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #ifndef FIX_FP_INT_COMPARE_INVALID_H |
| 21 | #define FIX_FP_INT_COMPARE_INVALID_H 1 |
| 22 | |
| 23 | /* Before GCC 8, both x87 and SSE comparisons use unordered comparison |
| 24 | instructions when they should use ordered comparisons |
| 25 | <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52451>. */ |
| 26 | #if __GNUC_PREREQ (8, 0) |
| 27 | # define FIX_COMPARE_INVALID 0 |
| 28 | #else |
| 29 | # define FIX_COMPARE_INVALID 1 |
| 30 | #endif |
| 31 | |
| 32 | #endif /* fix-fp-int-compare-invalid.h */ |
| 33 | |