| 1 | /* This file is part of the GNU C Library. |
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| 2 | Copyright (C) 2008-2022 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <ldsodefs.h> |
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| 19 | #include <ifunc-init.h> |
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| 20 | #include <isa.h> |
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| 21 | |
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| 22 | #ifndef __x86_64__ |
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| 23 | /* Due to the reordering and the other nifty extensions in i686, it is |
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| 24 | not really good to use heavily i586 optimized code on an i686. It's |
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| 25 | better to use i486 code if it isn't an i586. */ |
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| 26 | # if MINIMUM_ISA == 686 |
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| 27 | # define USE_I586 0 |
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| 28 | # define USE_I686 1 |
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| 29 | # else |
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| 30 | # define USE_I586 (HAS_ARCH_FEATURE (I586) && !HAS_ARCH_FEATURE (I686)) |
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| 31 | # define USE_I686 HAS_ARCH_FEATURE (I686) |
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| 32 | # endif |
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| 33 | #endif |
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| 34 | |
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