/* Store current representation for exceptions.

   Copyright (C) 2000-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).

   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_libc.h>

#include <fpu_control.h>

int

fegetexceptflag (fexcept_t *flagp, int excepts)

{

  fexcept_t temp, newexcepts;

  /* Get the current exceptions.  */

  _FPU_GETCW (temp);

  newexcepts = excepts << FPC_FLAGS_SHIFT;

  if ((temp & FPC_NOT_FPU_EXCEPTION) == 0)

    /* Bits 6, 7 of dxc-byte are zero,

       thus bits 0-5 of dxc-byte correspond to the flag-bits.

       Evaluate flags and last dxc-exception-code.  */

    newexcepts |= excepts << FPC_DXC_SHIFT;

  *flagp = temp & newexcepts;

  /* Success.  */

  return 0;

}