1 /** 2 * Copyright (c) 2021-2022 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_RUNTIME_ARCH_AMD64_MEMORY_HELPERS_H_ 16 #define PANDA_RUNTIME_ARCH_AMD64_MEMORY_HELPERS_H_ 17 18 namespace panda::archSpecific { 19 20 // AMD64 has strict memory order, only compiler barrier is required FullMemoryBarrier()21inline void FullMemoryBarrier() 22 { 23 asm volatile("" : : : "memory"); // NOLINT(hicpp-no-assembler) 24 } 25 26 } // namespace panda::archSpecific 27 28 #endif // PANDA_RUNTIME_ARCH_AMD64_MEMORY_HELPERS_H_ 29