| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* This file is part of the GNU C Library. |
| 2 | Copyright (C) 2008-2016 Free Software Foundation, Inc. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifdef __ASSEMBLER__ |
| 19 | # include <cpu-features.h> |
| 20 | #else |
| 21 | # include <ldsodefs.h> |
| 22 | #endif |
| 23 | |
| 24 | #ifndef __x86_64__ |
| 25 | /* Due to the reordering and the other nifty extensions in i686, it is |
| 26 | not really good to use heavily i586 optimized code on an i686. It's |
| 27 | better to use i486 code if it isn't an i586. */ |
| 28 | # if MINIMUM_ISA == 686 |
| 29 | # define USE_I586 0 |
| 30 | # define USE_I686 1 |
| 31 | # else |
| 32 | # define USE_I586 (HAS_ARCH_FEATURE (I586) && !HAS_ARCH_FEATURE (I686)) |
| 33 | # define USE_I686 HAS_ARCH_FEATURE (I686) |
| 34 | # endif |
| 35 | #endif |