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d5efd131 | 1 | /* Install given floating-point environment and raise exceptions. |
2b778ceb | 2 | Copyright (C) 1997-2021 Free Software Foundation, Inc. |
d5efd131 | 3 | This file is part of the GNU C Library. |
d5efd131 MF |
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 | |
75efb018 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
d5efd131 MF |
18 | |
19 | #include <fenv.h> | |
20 | ||
21 | int | |
8116321f | 22 | __feupdateenv (const fenv_t *envp) |
d5efd131 MF |
23 | { |
24 | fenv_t fpsr; | |
25 | ||
26 | ||
27 | /* Get the current exception state. */ | |
28 | __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); | |
29 | ||
30 | /* Install new environment. */ | |
cd42798a | 31 | __fesetenv (envp); |
d5efd131 MF |
32 | |
33 | /* Raise the saved exceptions. */ | |
0747f818 | 34 | __feraiseexcept ((int) (fpsr >> 13) & FE_ALL_EXCEPT); |
d5efd131 MF |
35 | |
36 | /* Success. */ | |
37 | return 0; | |
38 | } | |
8116321f JM |
39 | libm_hidden_def (__feupdateenv) |
40 | weak_alias (__feupdateenv, feupdateenv) | |
41 | libm_hidden_weak (feupdateenv) |