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8537e0f6 L |
1 | /* Common definition for libmathvec ifunc selections optimized with |
2 | SSE4.1. | |
688903eb | 3 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
21933112 AS |
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 | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
21933112 AS |
20 | #include <init-arch.h> |
21 | ||
8537e0f6 L |
22 | #undef PASTER2 |
23 | #define PASTER2(x,y) x##_##y | |
24 | ||
25 | extern void REDIRECT_NAME (void); | |
26 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden; | |
27 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse4) attribute_hidden; | |
28 | ||
29 | static inline void * | |
30 | IFUNC_SELECTOR (void) | |
31 | { | |
32 | const struct cpu_features* cpu_features = __get_cpu_features (); | |
33 | ||
34 | if (CPU_FEATURES_CPU_P (cpu_features, SSE4_1)) | |
35 | return OPTIMIZE (sse4); | |
36 | ||
37 | return OPTIMIZE (sse2); | |
38 | } |