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/* Store current floating-point environment and clear exceptions for
atomic compound assignment.
Copyright (C) 2013-2014 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"
void
__atomic_feholdexcept (fenv_t *envp)
{
fenv_union_t u;
u.l[0] = __sim_exceptions_thread;
/* The rounding mode is not changed by arithmetic, so no need to
save it. */
u.l[1] = __sim_disabled_exceptions_thread;
*envp = u.fenv;
/* This function postdates the global variables being turned into
compat symbols, so no need to set them. */
__sim_exceptions_thread = 0;
__sim_disabled_exceptions_thread = FE_ALL_EXCEPT;
}
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