| 1 | /* Common definition for ifunc selections optimized with SSSE3 and |
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| 2 | SSE4_2. |
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| 3 | All versions must be listed in ifunc-impl-list.c. |
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| 4 | Copyright (C) 2017-2024 Free Software Foundation, Inc. |
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| 5 | This file is part of the GNU C Library. |
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| 6 | |
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| 7 | The GNU C Library is free software; you can redistribute it and/or |
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| 8 | modify it under the terms of the GNU Lesser General Public |
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| 9 | License as published by the Free Software Foundation; either |
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| 10 | version 2.1 of the License, or (at your option) any later version. |
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| 11 | |
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| 12 | The GNU C Library is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | Lesser General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Lesser General Public |
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| 18 | License along with the GNU C Library; if not, see |
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| 19 | <https://www.gnu.org/licenses/>. */ |
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| 20 | |
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| 21 | #include <init-arch.h> |
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| 22 | |
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| 23 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ia32) attribute_hidden; |
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| 24 | extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden; |
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| 25 | extern __typeof (REDIRECT_NAME) OPTIMIZE (sse4_2) attribute_hidden; |
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| 26 | |
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| 27 | static inline void * |
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| 28 | IFUNC_SELECTOR (void) |
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| 29 | { |
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| 30 | const struct cpu_features* cpu_features = __get_cpu_features (); |
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| 31 | |
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| 32 | if (CPU_FEATURE_USABLE_P (cpu_features, SSE4_2)) |
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| 33 | return OPTIMIZE (sse4_2); |
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| 34 | |
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| 35 | if (CPU_FEATURE_USABLE_P (cpu_features, SSSE3)) |
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| 36 | return OPTIMIZE (ssse3); |
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| 37 | |
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| 38 | return OPTIMIZE (ia32); |
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| 39 | } |
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| 40 | |
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