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38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Install given floating-point environment and raise exceptions for
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atomic compound assignment.
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Copyright (C) 2013-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "soft-fp.h"
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#include "soft-supp.h"
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#include <signal.h>
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void
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__atomic_feupdateenv (const fenv_t *envp)
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{
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fenv_union_t u;
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int saved_exceptions = __sim_exceptions_thread;
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/* This function postdates the global variables being turned into
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compat symbols, so no need to set them. */
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u.fenv = *envp;
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__sim_exceptions_thread |= u.l[0];
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__sim_disabled_exceptions_thread = u.l[1];
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if (saved_exceptions & ~__sim_disabled_exceptions_thread)
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raise (SIGFPE);
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}
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