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1 | /* Control when floating-point expressions are evaluated. AArch64 version. |
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2 | Copyright (C) 2014-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef AARCH64_MATH_BARRIERS_H |
20 | #define AARCH64_MATH_BARRIERS_H 1 |
21 | |
22 | #define math_opt_barrier(x) \ |
23 | ({ __typeof (x) __x = (x); __asm ("" : "+w" (__x)); __x; }) |
24 | #define math_force_eval(x) \ |
25 | ({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "w" (__x)); }) |
26 | |
27 | #endif |
28 |
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