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57a72fa3 L |
1 | /* Common definition for ifunc selections optimized with AVX, AVX2/FMA |
2 | and FMA4. | |
6d7e8eda | 3 | Copyright (C) 2017-2023 Free Software Foundation, Inc. |
57a72fa3 L |
4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
57a72fa3 L |
19 | |
20 | #include <init-arch.h> | |
21 | ||
22 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden; | |
23 | extern __typeof (REDIRECT_NAME) OPTIMIZE (avx) attribute_hidden; | |
24 | extern __typeof (REDIRECT_NAME) OPTIMIZE (fma) attribute_hidden; | |
25 | extern __typeof (REDIRECT_NAME) OPTIMIZE (fma4) attribute_hidden; | |
26 | ||
27 | static inline void * | |
28 | IFUNC_SELECTOR (void) | |
29 | { | |
30 | const struct cpu_features* cpu_features = __get_cpu_features (); | |
31 | ||
107e6a3c L |
32 | if (CPU_FEATURE_USABLE_P (cpu_features, FMA) |
33 | && CPU_FEATURE_USABLE_P (cpu_features, AVX2)) | |
57a72fa3 L |
34 | return OPTIMIZE (fma); |
35 | ||
107e6a3c | 36 | if (CPU_FEATURE_USABLE_P (cpu_features, FMA4)) |
57a72fa3 L |
37 | return OPTIMIZE (fma4); |
38 | ||
107e6a3c | 39 | if (CPU_FEATURE_USABLE_P (cpu_features, AVX)) |
57a72fa3 L |
40 | return OPTIMIZE (avx); |
41 | ||
42 | return OPTIMIZE (sse2); | |
43 | } |