/* Install given floating-point environment and raise exceptions for

   atomic compound assignment.

   Copyright (C) 2013-2018 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

   <http://www.gnu.org/licenses/>.  */

#include "soft-fp.h"

#include "soft-supp.h"

#include <signal.h>

void

__atomic_feupdateenv (const fenv_t *envp)

{

  fenv_union_t u;

  int saved_exceptions = __sim_exceptions_thread;

  /* This function postdates the global variables being turned into

     compat symbols, so no need to set them.  */

  u.fenv = *envp;

  __sim_exceptions_thread |= u.l[0];

  __sim_disabled_exceptions_thread = u.l[1];

  if (saved_exceptions & ~__sim_disabled_exceptions_thread)

    raise (SIGFPE);

}