1 /* Fix for missing "invalid" exceptions from floating-point 2 comparisons. x86 version. 3 Copyright (C) 2016-2022 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