glibc/sysdeps/ia64/fpu/ftestexcept.c

33 lines
1.1 KiB
C

/* Test exception in current environment.
Copyright (C) 1997-2015 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
fetestexcept (int excepts)
{
fenv_t fpsr;
/* Get current exceptions. */
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
return (fpsr >> 13) & excepts & FE_ALL_EXCEPT;
}
libm_hidden_def (fetestexcept)