mirror of https://github.com/ceph/ceph
100 lines
3.3 KiB
CMake
100 lines
3.3 KiB
CMake
# detect SIMD extensions
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#
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# HAVE_ARMV8_CRC
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# HAVE_ARMV8_SIMD
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# HAVE_ARM_NEON
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# HAVE_INTEL_SSE
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# HAVE_INTEL_SSE2
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# HAVE_INTEL_SSE3
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# HAVE_INTEL_SSSE3
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# HAVE_INTEL_PCLMUL
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# HAVE_INTEL_SSE4_1
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# HAVE_INTEL_SSE4_2
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#
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# SIMD_COMPILE_FLAGS
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#
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
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set(HAVE_ARM 1)
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include(CheckCCompilerFlag)
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check_c_compiler_flag(-march=armv8-a+crc+crypto HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
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if(HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
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set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crc+crypto")
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set(HAVE_ARMV8_CRC TRUE)
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set(HAVE_ARMV8_CRYPTO TRUE)
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else()
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check_c_compiler_flag(-march=armv8-a+crc HAVE_ARMV8_CRC)
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check_c_compiler_flag(-march=armv8-a+crypto HAVE_ARMV8_CRYPTO)
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if(HAVE_ARMV8_CRC)
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set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crc")
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elseif(HAVE_ARMV8_CRYPTO)
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set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crypto")
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endif()
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endif()
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CHECK_C_COMPILER_FLAG(-march=armv8-a+simd HAVE_ARMV8_SIMD)
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if(HAVE_ARMV8_SIMD)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -march=armv8-a+simd")
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endif()
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM")
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set(HAVE_ARM 1)
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CHECK_C_COMPILER_FLAG(-mfpu=neon HAVE_ARM_NEON)
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if(HAVE_ARM_NEON)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mfpu=neon")
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endif()
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i386|i686|amd64|x86_64|AMD64")
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set(HAVE_INTEL 1)
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64")
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CHECK_C_COMPILER_FLAG(-msse HAVE_INTEL_SSE)
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if(HAVE_INTEL_SSE)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse")
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endif()
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
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CHECK_C_COMPILER_FLAG(-msse2 HAVE_INTEL_SSE2)
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if(HAVE_INTEL_SSE2)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse2")
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endif()
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CHECK_C_COMPILER_FLAG(-msse3 HAVE_INTEL_SSE3)
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if(HAVE_INTEL_SSE3)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse3")
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endif()
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CHECK_C_COMPILER_FLAG(-mssse3 HAVE_INTEL_SSSE3)
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if(HAVE_INTEL_SSSE3)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mssse3")
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endif()
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CHECK_C_COMPILER_FLAG(-mpclmul HAVE_INTEL_PCLMUL)
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if(HAVE_INTEL_PCLMUL)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mpclmul")
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endif()
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CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_INTEL_SSE4_1)
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if(HAVE_INTEL_SSE4_1)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.1")
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endif()
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CHECK_C_COMPILER_FLAG(-msse4.2 HAVE_INTEL_SSE4_2)
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if(HAVE_INTEL_SSE4_2)
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set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.2")
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endif()
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endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
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endif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64|(powerpc|ppc)64le")
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le")
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set(HAVE_PPC64LE 1)
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message(STATUS " we are ppc64le")
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else()
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set(HAVE_PPC64 1)
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message(STATUS " we are ppc64")
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endif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le")
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CHECK_C_COMPILER_FLAG("-maltivec" HAS_ALTIVEC)
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if(HAS_ALTIVEC)
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message(STATUS " HAS_ALTIVEC yes")
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add_compile_options(-maltivec)
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endif()
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CHECK_C_COMPILER_FLAG("-mcpu=power8" HAVE_POWER8)
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if(HAVE_POWER8)
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message(STATUS " HAVE_POWER8 yes")
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endif()
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endif()
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