| // 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. |
| |
| #ifndef CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_ |
| #define CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_ |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Architectures |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #if defined(__pnacl__) || defined(__CLR_VER) |
| #define CPU_FEATURES_ARCH_VM |
| #endif |
| |
| #if (defined(_M_IX86) || defined(__i386__)) && !defined(CPU_FEATURES_ARCH_VM) |
| #define CPU_FEATURES_ARCH_X86_32 |
| #endif |
| |
| #if (defined(_M_X64) || defined(__x86_64__)) && !defined(CPU_FEATURES_ARCH_VM) |
| #define CPU_FEATURES_ARCH_X86_64 |
| #endif |
| |
| #if defined(CPU_FEATURES_ARCH_X86_32) || defined(CPU_FEATURES_ARCH_X86_64) |
| #define CPU_FEATURES_ARCH_X86 |
| #endif |
| |
| #if (defined(__arm__) || defined(_M_ARM)) |
| #define CPU_FEATURES_ARCH_ARM |
| #endif |
| |
| #if defined(__aarch64__) |
| #define CPU_FEATURES_ARCH_AARCH64 |
| #endif |
| |
| #if (defined(CPU_FEATURES_ARCH_AARCH64) || defined(CPU_FEATURES_ARCH_ARM)) |
| #define CPU_FEATURES_ARCH_ANY_ARM |
| #endif |
| |
| #if defined(__mips64) |
| #define CPU_FEATURES_ARCH_MIPS64 |
| #endif |
| |
| #if defined(__mips__) && !defined(__mips64) // mips64 also declares __mips__ |
| #define CPU_FEATURES_ARCH_MIPS32 |
| #endif |
| |
| #if defined(CPU_FEATURES_ARCH_MIPS32) || defined(CPU_FEATURES_ARCH_MIPS64) |
| #define CPU_FEATURES_ARCH_MIPS |
| #endif |
| |
| #if defined(__powerpc__) |
| #define CPU_FEATURES_ARCH_PPC |
| #endif |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Os |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #if defined(__linux__) |
| #define CPU_FEATURES_OS_LINUX_OR_ANDROID |
| #endif |
| |
| #if defined(__ANDROID__) |
| #define CPU_FEATURES_OS_ANDROID |
| #endif |
| |
| #if (defined(_WIN64) || defined(_WIN32)) |
| #define CPU_FEATURES_OS_WINDOWS |
| #endif |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Compilers |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #if defined(__clang__) |
| #define CPU_FEATURES_COMPILER_CLANG |
| #endif |
| |
| #if defined(__GNUC__) && !defined(__clang__) |
| #define CPU_FEATURES_COMPILER_GCC |
| #endif |
| |
| #if defined(_MSC_VER) |
| #define CPU_FEATURES_COMPILER_MSC |
| #endif |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Cpp |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #if defined(__cplusplus) |
| #define CPU_FEATURES_START_CPP_NAMESPACE \ |
| namespace cpu_features { \ |
| extern "C" { |
| #define CPU_FEATURES_END_CPP_NAMESPACE \ |
| } \ |
| } |
| #else |
| #define CPU_FEATURES_START_CPP_NAMESPACE |
| #define CPU_FEATURES_END_CPP_NAMESPACE |
| #endif |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Compiler flags |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // Use the following to check if a feature is known to be available at |
| // compile time. See README.md for an example. |
| #if defined(CPU_FEATURES_ARCH_X86) |
| #define CPU_FEATURES_COMPILED_X86_AES defined(__AES__) |
| #define CPU_FEATURES_COMPILED_X86_F16C defined(__F16C__) |
| #define CPU_FEATURES_COMPILED_X86_BMI defined(__BMI__) |
| #define CPU_FEATURES_COMPILED_X86_BMI2 defined(__BMI2__) |
| #define CPU_FEATURES_COMPILED_X86_SSE (defined(__SSE__) || (_M_IX86_FP >= 1)) |
| #define CPU_FEATURES_COMPILED_X86_SSE2 (defined(__SSE2__) || (_M_IX86_FP >= 2)) |
| #define CPU_FEATURES_COMPILED_X86_SSE3 defined(__SSE3__) |
| #define CPU_FEATURES_COMPILED_X86_SSSE3 defined(__SSSE3__) |
| #define CPU_FEATURES_COMPILED_X86_SSE4_1 defined(__SSE4_1__) |
| #define CPU_FEATURES_COMPILED_X86_SSE4_2 defined(__SSE4_2__) |
| #define CPU_FEATURES_COMPILED_X86_AVX defined(__AVX__) |
| #define CPU_FEATURES_COMPILED_x86_AVX2 defined(__AVX2__) |
| #endif |
| |
| #if defined(CPU_FEATURES_ARCH_ANY_ARM) |
| #define CPU_FEATURES_COMPILED_ANY_ARM_NEON defined(__ARM_NEON__) |
| #endif |
| |
| #if defined(CPU_FEATURES_ARCH_MIPS) |
| #define CPU_FEATURES_COMPILED_MIPS_MSA defined(__mips_msa) |
| #endif |
| |
| #endif // CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_ |