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973da22a L |
1 | /* Common definition for ifunc selections optimized with SSE2 and |
2 | SSSE3. | |
b090e8ea | 3 | All versions must be listed in ifunc-impl-list.c. |
04277e02 | 4 | Copyright (C) 2017-2019 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 PE |
18 | License along with the GNU C Library; if not, see |
19 | <http://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 (sse2) attribute_hidden; | |
25 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) 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 | |
973da22a L |
32 | if (CPU_FEATURES_CPU_P (cpu_features, SSE2) |
33 | && CPU_FEATURES_ARCH_P (cpu_features, Fast_Rep_String)) | |
34 | return OPTIMIZE (sse2); | |
951fbcec | 35 | |
973da22a L |
36 | if (CPU_FEATURES_CPU_P (cpu_features, SSSE3)) |
37 | return OPTIMIZE (ssse3); | |
951fbcec | 38 | |
973da22a L |
39 | return OPTIMIZE (ia32); |
40 | } |