32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
/* Set given exception flags. x86_64 version.
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Copyright (C) 2016-2017 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 <fenv.h>
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int
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fesetexcept (int excepts)
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{
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unsigned int mxcsr;
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__asm__ ("stmxcsr %0" : "=m" (*&mxcsr));
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mxcsr |= excepts & FE_ALL_EXCEPT;
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__asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
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return 0;
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}
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