1 /* Common definition for ifunc selections optimized with SSE4.1. 2 Copyright (C) 2017-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <init-arch.h> 20 21 extern __typeof (REDIRECT_NAME) OPTIMIZE (c) attribute_hidden; 22 extern __typeof (REDIRECT_NAME) OPTIMIZE (sse41) attribute_hidden; 23 24 static inline void * IFUNC_SELECTOR(void)25IFUNC_SELECTOR (void) 26 { 27 const struct cpu_features* cpu_features = __get_cpu_features (); 28 29 if (CPU_FEATURE_USABLE_P (cpu_features, SSE4_1)) 30 return OPTIMIZE (sse41); 31 32 return OPTIMIZE (c); 33 } 34