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28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
/* Control when floating-point expressions are evaluated. AArch64 version.
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Copyright (C) 2014-2020 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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<https://www.gnu.org/licenses/>. */
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#ifndef AARCH64_MATH_BARRIERS_H
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#define AARCH64_MATH_BARRIERS_H 1
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#define math_opt_barrier(x) \
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({ __typeof (x) __x = (x); __asm ("" : "+w" (__x)); __x; })
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#define math_force_eval(x) \
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({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "w" (__x)); })
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#endif
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