glibc/sysdeps/ia64/fpu/fgetexcptflg.c
2014-02-16 01:12:38 -05:00

35 lines
1.2 KiB
C

/* Store current representation for exceptions.
Copyright (C) 1997-2014 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
fegetexceptflag (fexcept_t *flagp, int excepts)
{
fenv_t fpsr;
/* Get the current exceptions. */
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
*flagp = (fexcept_t) ((fpsr >> 13) & excepts & FE_ALL_EXCEPT);
/* Success. */
return 0;
}