glibc/sysdeps/ia64/fpu/fsetexcptflg.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

42 lines
1.4 KiB
C

/* Set floating-point environment exception handling.
Copyright (C) 1997, 1999, 2000 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
int
fesetexceptflag (const fexcept_t *flagp, int excepts)
{
fenv_t fpsr;
/* Get the current exception state. */
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
fpsr &= ~(((fenv_t) excepts & FE_ALL_EXCEPT) << 13);
/* Set all the bits that were called for. */
fpsr |= ((*flagp & excepts & FE_ALL_EXCEPT) << 13);
/* And store it back. */
__asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
/* Success. */
return 0;
}