/* Runtime architecture check for math tests. x86_64 version. Copyright (C) 2014-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #if defined REQUIRE_AVX2 # include /* Set to 1 if AVX2 supported. */ static int avx2_usable; # define INIT_ARCH_EXT \ do \ { \ __init_cpu_features (); \ avx2_usable = __cpu_features.feature[index_AVX2_Usable] \ & bit_AVX2_Usable; \ } \ while (0) # define CHECK_ARCH_EXT \ do \ { \ if (!avx2_usable) return; \ } \ while (0) #elif defined REQUIRE_AVX512F # include /* Set to 1 if supported. */ static int avx512f_usable; # define INIT_ARCH_EXT \ do \ { \ __init_cpu_features (); \ avx512f_usable = __cpu_features.feature[index_AVX512F_Usable] \ & bit_AVX512F_Usable; \ } \ while (0) # define CHECK_ARCH_EXT \ do \ { \ if (!avx512f_usable) return; \ } \ while (0) #else # include #endif