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/* Clear given exceptions in current floating-point environment.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <fenv.h>
void
feclearexcept (int excepts)
{
fexcept_t fpsr;
/* Mask out unsupported bits/exceptions. */
excepts &= FE_ALL_EXCEPT;
/* Fetch the fpu status register. */
__asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
/* Clear the relevant bits. */
fpsr &= ~excepts;
/* Put the new data in effect. */
__asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
}
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