mirror of
https://github.com/google/cpu_features.git
synced 2025-04-27 07:02:30 +02:00
122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
// Copyright 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
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#define THIRD_PARTY_CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
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////////////////////////////////////////////////////////////////////////////////
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// Architectures
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////////////////////////////////////////////////////////////////////////////////
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#if ((defined(_M_IX86) || defined(_M_X64) || defined(__i386__) || \
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defined(__x86_64__)) && \
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!defined(__pnacl__) && !defined(__CLR_VER))
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#define CPU_FEATURES_ARCH_X86
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#endif
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#if (defined(__arm__) || defined(_M_ARM))
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#define CPU_FEATURES_ARCH_ARM
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#endif
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#if defined(__aarch64__)
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#define CPU_FEATURES_ARCH_AARCH64
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#endif
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#if (defined(CPU_FEATURES_ARCH_AARCH64) || defined(CPU_FEATURES_ARCH_ARM))
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#define CPU_FEATURES_ARCH_ANY_ARM
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#endif
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#if defined(__mips__)
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#define CPU_FEATURES_ARCH_MIPS
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// Os
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__linux__)
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#define CPU_FEATURES_OS_LINUX_OR_ANDROID
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#endif
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#if defined(__ANDROID__)
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#define CPU_FEATURES_OS_ANDROID
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#endif
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#if (defined(_WIN64) || defined(_WIN32))
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#define CPU_FEATURES_OS_WINDOWS
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// Compilers
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__clang__)
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#define CPU_FEATURES_COMPILER_CLANG
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#endif
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#if defined(__GNUC__) && !defined(__clang__)
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#define CPU_FEATURES_COMPILER_GCC
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#endif
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#if defined(_MSC_VER)
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#define CPU_FEATURES_COMPILER_MSC
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// Cpp
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__cplusplus)
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#define START_CPP_NAMESPACE \
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namespace cpu_features { \
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extern "C" {
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#define END_CPP_NAMESPACE \
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} \
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}
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#else
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#define START_CPP_NAMESPACE
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#define END_CPP_NAMESPACE
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// Compiler flags
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////////////////////////////////////////////////////////////////////////////////
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// Use the following to check if a feature is known to be available at compile
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// time. See README.md for an example.
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#if defined(CPU_FEATURES_ARCH_X86)
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#define CPU_FEATURES_COMPILED_X86_AES defined(__AES__)
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#define CPU_FEATURES_COMPILED_X86_F16C defined(__F16C__)
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#define CPU_FEATURES_COMPILED_X86_BMI defined(__BMI__)
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#define CPU_FEATURES_COMPILED_X86_BMI2 defined(__BMI2__)
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#define CPU_FEATURES_COMPILED_X86_SSE (defined(__SSE__) || (_M_IX86_FP >= 1))
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#define CPU_FEATURES_COMPILED_X86_SSE2 (defined(__SSE2__) || (_M_IX86_FP >= 2))
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#define CPU_FEATURES_COMPILED_X86_SSE3 defined(__SSE3__)
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#define CPU_FEATURES_COMPILED_X86_SSSE3 defined(__SSSE3__)
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#define CPU_FEATURES_COMPILED_X86_SSE4_1 defined(__SSE4_1__)
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#define CPU_FEATURES_COMPILED_X86_SSE4_2 defined(__SSE4_2__)
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#define CPU_FEATURES_COMPILED_X86_AVX defined(__AVX__)
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#define CPU_FEATURES_COMPILED_x86_AVX2 defined(__AVX2__)
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#endif
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#if defined(CPU_FEATURES_ARCH_ANY_ARM)
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#define CPU_FEATURES_COMPILED_ANY_ARM_NEON defined(__ARM_NEON__)
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#endif
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#if defined(CPU_FEATURES_ARCH_MIPS)
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#define CPU_FEATURES_COMPILED_MIPS_MSA defined(__mips_msa)
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#endif
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#endif // THIRD_PARTY_CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
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