42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
|
/* Install given floating-point environment and raise exceptions.
|
||
|
|
Copyright (C) 1997-2022 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <fenv.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
__feupdateenv (const fenv_t *envp)
|
||
|
|
{
|
||
|
|
fenv_t fpsr;
|
||
|
|
|
||
|
|
|
||
|
|
/* Get the current exception state. */
|
||
|
|
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
|
||
|
|
|
||
|
|
/* Install new environment. */
|
||
|
|
__fesetenv (envp);
|
||
|
|
|
||
|
|
/* Raise the saved exceptions. */
|
||
|
|
__feraiseexcept ((int) (fpsr >> 13) & FE_ALL_EXCEPT);
|
||
|
|
|
||
|
|
/* Success. */
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
libm_hidden_def (__feupdateenv)
|
||
|
|
weak_alias (__feupdateenv, feupdateenv)
|
||
|
|
libm_hidden_weak (feupdateenv)
|