1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef PANDA_CPU_FEATURES_H 16 #define PANDA_CPU_FEATURES_H 17 18 #include <cstddef> 19 #include "macros.h" 20 21 namespace panda::compiler { 22 PANDA_PUBLIC_API bool CpuFeaturesHasCrc32(); 23 PANDA_PUBLIC_API bool CpuFeaturesHasJscvt(); 24 } // namespace panda::compiler 25 26 namespace panda { 27 #if defined(PANDA_TARGET_AMD64) || defined(PANDA_TARGET_ARM64) || defined(PANDA_TARGET_ARM32) 28 static constexpr size_t CACHE_LINE_SIZE = 64; 29 #else 30 static constexpr size_t CACHE_LINE_SIZE = 0; 31 static_assert(CACHE_LINE_SIZE, "Undefined cacheline size"); 32 #endif 33 } // namespace panda 34 35 #endif // PANDA_CPU_FEATURES_H 36