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5146356f | 1 | /* Set given exception flags. x86_64 version. |
2b778ceb | 2 | Copyright (C) 2016-2021 Free Software Foundation, Inc. |
5146356f JM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
5146356f JM |
18 | |
19 | #include <fenv.h> | |
20 | ||
21 | int | |
22 | fesetexcept (int excepts) | |
23 | { | |
24 | unsigned int mxcsr; | |
25 | ||
26 | __asm__ ("stmxcsr %0" : "=m" (*&mxcsr)); | |
27 | mxcsr |= excepts & FE_ALL_EXCEPT; | |
28 | __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr)); | |
29 | ||
30 | return 0; | |
31 | } |