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

source code of glibc/sysdeps/x86/fpu/fix-fp-int-compare-invalid.h