1 /* Common definition for libmathvec ifunc selections optimized with 2 AVX2. 3 Copyright (C) 2017-2022 Free Software Foundation, Inc. 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 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 #include <init-arch.h> 21 22 #undef PASTER2 23 #define PASTER2(x,y) x##_##y 24 25 extern void REDIRECT_NAME (void); 26 extern __typeof (REDIRECT_NAME) OPTIMIZE (sse_wrapper) attribute_hidden; 27 extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2) attribute_hidden; 28 29 static inline void * IFUNC_SELECTOR(void)30IFUNC_SELECTOR (void) 31 { 32 const struct cpu_features* cpu_features = __get_cpu_features (); 33 34 if (CPU_FEATURE_USABLE_P (cpu_features, FMA) 35 && CPU_FEATURE_USABLE_P (cpu_features, AVX2)) 36 return OPTIMIZE (avx2); 37 38 return OPTIMIZE (sse_wrapper); 39 } 40