glibc/sysdeps/ia64/fpu/feholdexcpt.c
Mike Frysinger 75efb01851 ia64: update FSF license address to URL
Processed with a simple sed script:

find `find sysdeps/ -name ia64` -type f -exec sed -i \
	-e '/Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA/d' \
	-e 's:License along with the GNU C Library; if not, write to the Free:License along with the GNU C Library; if not, see:' \
	-e 's|02111-1307 USA.|<http://www.gnu.org/licenses/>.|' {} +

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-04-22 23:26:51 -04:00

42 lines
1.4 KiB
C

/* Store current floating-point environment and clear exceptions.
Copyright (C) 1997, 1999, 2000, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999
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>
int
feholdexcept (fenv_t *envp)
{
fenv_t fpsr;
/* Save the current state. */
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
*envp = fpsr;
/* Set the trap disable bits. */
fpsr |= FE_ALL_EXCEPT;
/* And clear the exception bits. */
fpsr &= ~(fenv_t) (FE_ALL_EXCEPT << 13);
__asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr));
/* Success. */
return 0;
}
libm_hidden_def (feholdexcept)