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973da22a L |
1 | /* Common definition for ifunc selections optimized with SSSE3 and |
2 | SSE4_2. | |
b090e8ea | 3 | All versions must be listed in ifunc-impl-list.c. |
6d7e8eda | 4 | Copyright (C) 2017-2023 Free Software Foundation, Inc. |
951fbcec LD |
5 | This file is part of the GNU C Library. |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 18 | License along with the GNU C Library; if not, see |
5a82c748 | 19 | <https://www.gnu.org/licenses/>. */ |
951fbcec | 20 | |
951fbcec LD |
21 | #include <init-arch.h> |
22 | ||
973da22a L |
23 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ia32) attribute_hidden; |
24 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden; | |
25 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse4_2) attribute_hidden; | |
951fbcec | 26 | |
973da22a L |
27 | static inline void * |
28 | IFUNC_SELECTOR (void) | |
29 | { | |
30 | const struct cpu_features* cpu_features = __get_cpu_features (); | |
951fbcec | 31 | |
107e6a3c | 32 | if (CPU_FEATURE_USABLE_P (cpu_features, SSE4_2)) |
973da22a | 33 | return OPTIMIZE (sse4_2); |
951fbcec | 34 | |
107e6a3c | 35 | if (CPU_FEATURE_USABLE_P (cpu_features, SSSE3)) |
973da22a | 36 | return OPTIMIZE (ssse3); |
951fbcec | 37 | |
973da22a L |
38 | return OPTIMIZE (ia32); |
39 | } |