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/* Set floating-point environment exception handling.
Copyright (C) 1997-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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>
#include <math.h>
int
__fesetexceptflag (const fexcept_t *flagp, int excepts)
{
fexcept_t fpsr;
/* Get the current status register. */
__asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
/* Install the new exception bits in the Accrued Exception Byte. */
fpsr &= ~(excepts & FE_ALL_EXCEPT);
fpsr |= *flagp & excepts & FE_ALL_EXCEPT;
/* Store the new status register. */
__asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
/* Success. */
return 0;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fesetexceptflag, __old_fesetexceptflag)
compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1);
#endif
versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2);
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