]>
Commit | Line | Data |
---|---|---|
973da22a | 1 | /* Common definition for ifunc selections optimized with SSE2 and BSF. |
b090e8ea | 2 | All versions must be listed in ifunc-impl-list.c. |
04277e02 | 3 | Copyright (C) 2017-2019 Free Software Foundation, Inc. |
951fbcec LD |
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 | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
951fbcec | 19 | |
951fbcec LD |
20 | #include <init-arch.h> |
21 | ||
973da22a L |
22 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ia32) attribute_hidden; |
23 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden; | |
24 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2_bsf) attribute_hidden; | |
951fbcec | 25 | |
973da22a L |
26 | static inline void * |
27 | IFUNC_SELECTOR (void) | |
28 | { | |
29 | const struct cpu_features* cpu_features = __get_cpu_features (); | |
951fbcec | 30 | |
973da22a L |
31 | if (CPU_FEATURES_CPU_P (cpu_features, SSE2)) |
32 | { | |
33 | if (CPU_FEATURES_ARCH_P (cpu_features, Slow_BSF)) | |
34 | return OPTIMIZE (sse2); | |
951fbcec | 35 | |
973da22a L |
36 | return OPTIMIZE (sse2_bsf); |
37 | } | |
951fbcec | 38 | |
973da22a L |
39 | return OPTIMIZE (ia32); |
40 | } |