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5a103908 L |
1 | /* Common definition for ifunc selections optimized with SSE2, unaligned |
2 | SSE2 and SSSE3. | |
3 | All versions must be listed in ifunc-impl-list.c. | |
688903eb | 4 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
5a103908 L |
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 | |
18 | License along with the GNU C Library; if not, see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include <init-arch.h> | |
22 | ||
23 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden; | |
24 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2_unaligned) | |
25 | attribute_hidden; | |
26 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden; | |
27 | ||
28 | static inline void * | |
29 | IFUNC_SELECTOR (void) | |
30 | { | |
31 | const struct cpu_features* cpu_features = __get_cpu_features (); | |
32 | ||
33 | if (CPU_FEATURES_ARCH_P (cpu_features, Fast_Unaligned_Load)) | |
34 | return OPTIMIZE (sse2_unaligned); | |
35 | ||
36 | if (CPU_FEATURES_CPU_P (cpu_features, SSSE3)) | |
37 | return OPTIMIZE (ssse3); | |
38 | ||
39 | return OPTIMIZE (sse2); | |
40 | } |