1/* Install given floating-point environment and raise exceptions.
2 Copyright (C) 2012-2024 Free Software Foundation, Inc.
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
17 <https://www.gnu.org/licenses/>. */
18
19#include <fenv.h>
20#include <fpu_control.h>
21
22int
23__feupdateenv (const fenv_t *envp)
24{
25 fpu_control_t temp;
26
27 _FPU_GETCW (temp);
28 temp = (temp & FE_ALL_EXCEPT);
29
30 /* Raise the saved exception. Incidentally for us the implementation
31 defined format of the values in objects of type fexcept_t is the
32 same as the ones specified using the FE_* constants. */
33 __fesetenv (envp: envp);
34 __feraiseexcept (excepts: (int) temp);
35
36 return 0;
37}
38libm_hidden_def (__feupdateenv)
39weak_alias (__feupdateenv, feupdateenv)
40libm_hidden_weak (feupdateenv)
41

source code of glibc/sysdeps/sh/sh4/fpu/feupdateenv.c