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33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/* Fix for missing "invalid" exceptions from floating-point
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comparisons. x86 version.
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Copyright (C) 2016-2018 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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#ifndef FIX_FP_INT_COMPARE_INVALID_H
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#define FIX_FP_INT_COMPARE_INVALID_H 1
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/* Before GCC 8, both x87 and SSE comparisons use unordered comparison
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instructions when they should use ordered comparisons
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<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52451>. */
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#if __GNUC_PREREQ (8, 0)
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# define FIX_COMPARE_INVALID 0
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#else
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# define FIX_COMPARE_INVALID 1
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#endif
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#endif /* fix-fp-int-compare-invalid.h */
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