1 | /* Common definition for libmathvec ifunc selections optimized with |
2 | SSE4.1. |
3 | Copyright (C) 2017-2019 Free Software Foundation, Inc. |
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 | |
20 | #include <init-arch.h> |
21 | |
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 | } |
39 | |