/* Store current representation for exceptions.

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

   This file is part of the GNU C Library.

   Contributed by David Huggins-Daines <dhd@debian.org>, 2000

   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

fegetexceptflag (fexcept_t *flagp, int excepts)

{

  union { unsigned long long l; unsigned int sw[2]; } s;

  /* Get the current status word. */

  __asm__ ("fstd %%fr0,0(%1)	\n\t"

           "fldd 0(%1),%%fr0	\n\t"

	   : "=m" (s.l) : "r" (&s.l) : "%r0");

  *flagp = (s.sw[0] >> 27) & excepts & FE_ALL_EXCEPT;

  /* Success.  */

  return 0;

}