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/* Set floating-point environment exception handling.
Copyright (C) 1997-2021 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
<https://www.gnu.org/licenses/>. */
#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;
}
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