// Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "internal/cpuid_x86.h" #if defined(CPU_FEATURES_ARCH_X86) #if defined(CPU_FEATURES_COMPILER_CLANG) || defined(CPU_FEATURES_COMPILER_GCC) #include Leaf CpuId(uint32_t leaf_id) { Leaf leaf; __cpuid_count(leaf_id, 0, leaf.eax, leaf.ebx, leaf.ecx, leaf.edx); return leaf; } uint32_t GetXCR0Eax(void) { uint32_t eax, edx; __asm("XGETBV" : "=a"(eax), "=d"(edx) : "c"(0)); return eax; } #endif // defined(CPU_FEATURES_COMPILER_CLANG) || // defined(CPU_FEATURES_COMPILER_GCC) #endif // defined(CPU_FEATURES_ARCH_X86)