glibc/ports/sysdeps/aarch64/fpu/feupdateenv.c
Marcus Shawcroft 554066b83b AArch64 Port
2012-11-09 17:54:04 +00:00

39 lines
1.1 KiB
C

/* Copyright (C) 2009-2012 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
<http://www.gnu.org/licenses/>. */
#include <fenv.h>
#include <fpu_control.h>
int
feupdateenv (const fenv_t *envp)
{
fpu_fpsr_t fpsr;
/* Get the current exception state. */
_FPU_GETFPSR (fpsr);
/* Install new environment. */
fesetenv (envp);
/* Raise the saved exceptions. */
feraiseexcept (fpsr & FE_ALL_EXCEPT);
return 0;
}
libm_hidden_def (feupdateenv)