/* Store current floating-point environment and clear exceptions.

   Copyright (C) 1997-2018 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 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

__feholdexcept (fenv_t *envp)

{

  fexcept_t fpcr, fpsr;

  /* Store the environment.  */

#ifdef __mcoldfire__

  __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register));

  __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register));

  __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address));

#else

  __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));

#endif

  /* Now clear all exceptions.  */

  fpsr = envp->__status_register & ~FE_ALL_EXCEPT;

  __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));

  /* And set all exceptions to non-stop.  */

  fpcr = envp->__control_register & ~(FE_ALL_EXCEPT << 6);

  __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));

  return 0;

}

libm_hidden_def (__feholdexcept)

weak_alias (__feholdexcept, feholdexcept)

libm_hidden_weak (feholdexcept)