mirror of https://github.com/gnss-sdr/gnss-sdr
205 lines
5.2 KiB
C++
205 lines
5.2 KiB
C++
// SPDX-FileCopyrightText: 2017 Google Inc.
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// SPDX-License-Identifier: Apache-2.0
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#ifndef CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
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#define 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(__pnacl__) || defined(__CLR_VER)
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#define CPU_FEATURES_ARCH_VM
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#endif
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#if (defined(_M_IX86) || defined(__i386__)) && !defined(CPU_FEATURES_ARCH_VM)
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#define CPU_FEATURES_ARCH_X86_32
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#endif
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#if (defined(_M_X64) || defined(__x86_64__)) && !defined(CPU_FEATURES_ARCH_VM)
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#define CPU_FEATURES_ARCH_X86_64
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#endif
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#if defined(CPU_FEATURES_ARCH_X86_32) || defined(CPU_FEATURES_ARCH_X86_64)
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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(__mips64)
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#define CPU_FEATURES_ARCH_MIPS64
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#endif
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#if defined(__mips__) && !defined(__mips64) // mips64 also declares __mips__
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#define CPU_FEATURES_ARCH_MIPS32
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#endif
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#if defined(CPU_FEATURES_ARCH_MIPS32) || defined(CPU_FEATURES_ARCH_MIPS64)
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#define CPU_FEATURES_ARCH_MIPS
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#endif
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#if defined(__powerpc__)
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#define CPU_FEATURES_ARCH_PPC
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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 CPU_FEATURES_START_CPP_NAMESPACE \
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namespace cpu_features \
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{ \
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extern "C" \
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{
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#define CPU_FEATURES_END_CPP_NAMESPACE \
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} \
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}
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#else
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#define CPU_FEATURES_START_CPP_NAMESPACE
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#define CPU_FEATURES_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
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// compile time. See README.md for an example.
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#if defined(CPU_FEATURES_ARCH_X86)
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#if defined(__AES__)
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#define CPU_FEATURES_COMPILED_X86_AES 1
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#else
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#define CPU_FEATURES_COMPILED_X86_AES 0
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#endif // defined(__AES__)
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#if defined(__F16C__)
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#define CPU_FEATURES_COMPILED_X86_F16C 1
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#else
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#define CPU_FEATURES_COMPILED_X86_F16C 0
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#endif // defined(__F16C__)
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#if defined(__BMI__)
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#define CPU_FEATURES_COMPILED_X86_BMI 1
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#else
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#define CPU_FEATURES_COMPILED_X86_BMI 0
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#endif // defined(__BMI__)
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#if defined(__BMI2__)
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#define CPU_FEATURES_COMPILED_X86_BMI2 1
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#else
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#define CPU_FEATURES_COMPILED_X86_BMI2 0
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#endif // defined(__BMI2__)
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#if (defined(__SSE__) || (_M_IX86_FP >= 1))
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#define CPU_FEATURES_COMPILED_X86_SSE 1
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#else
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#define CPU_FEATURES_COMPILED_X86_SSE 0
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#endif
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#if (defined(__SSE2__) || (_M_IX86_FP >= 2))
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#define CPU_FEATURES_COMPILED_X86_SSE2 1
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#else
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#define CPU_FEATURES_COMPILED_X86_SSE2 0
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#endif
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#if defined(__SSE3__)
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#define CPU_FEATURES_COMPILED_X86_SSE3 1
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#else
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#define CPU_FEATURES_COMPILED_X86_SSE3 0
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#endif // defined(__SSE3__)
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#if defined(__SSSE3__)
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#define CPU_FEATURES_COMPILED_X86_SSSE3 1
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#else
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#define CPU_FEATURES_COMPILED_X86_SSSE3 0
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#endif // defined(__SSSE3__)
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#if defined(__SSE4_1__)
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#define CPU_FEATURES_COMPILED_X86_SSE4_1 1
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#else
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#define CPU_FEATURES_COMPILED_X86_SSE4_1 0
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#endif // defined(__SSE4_1__)
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#if defined(__SSE4_2__)
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#define CPU_FEATURES_COMPILED_X86_SSE4_2 1
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#else
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#define CPU_FEATURES_COMPILED_X86_SSE4_2 0
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#endif // defined(__SSE4_2__)
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#if defined(__AVX__)
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#define CPU_FEATURES_COMPILED_X86_AVX 1
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#else
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#define CPU_FEATURES_COMPILED_X86_AVX 0
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#endif // defined(__AVX__)
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#if defined(__AVX2__)
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#define CPU_FEATURES_COMPILED_X86_AVX2 1
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#else
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#define CPU_FEATURES_COMPILED_X86_AVX2 0
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#endif // defined(__AVX2__)
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#endif // defined(CPU_FEATURES_ARCH_X86)
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#if defined(CPU_FEATURES_ARCH_ANY_ARM)
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#if defined(__ARM_NEON__)
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#define CPU_FEATURES_COMPILED_ANY_ARM_NEON 1
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#else
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#define CPU_FEATURES_COMPILED_ANY_ARM_NEON 0
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#endif // defined(__ARM_NEON__)
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#endif // defined(CPU_FEATURES_ARCH_ANY_ARM)
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#if defined(CPU_FEATURES_ARCH_MIPS)
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#if defined(__mips_msa)
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#define CPU_FEATURES_COMPILED_MIPS_MSA 1
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#else
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#define CPU_FEATURES_COMPILED_MIPS_MSA 0
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#endif // defined(__mips_msa)
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#endif // defined(CPU_FEATURES_ARCH_MIPS)
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#endif // CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
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