diff options
Diffstat (limited to 'cmake/modules/SIMDExt.cmake')
| -rw-r--r-- | cmake/modules/SIMDExt.cmake | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/cmake/modules/SIMDExt.cmake b/cmake/modules/SIMDExt.cmake new file mode 100644 index 000000000..72f86e33b --- /dev/null +++ b/cmake/modules/SIMDExt.cmake @@ -0,0 +1,99 @@ +# detect SIMD extensions +# +# HAVE_ARMV8_CRC +# HAVE_ARMV8_SIMD +# HAVE_ARM_NEON +# HAVE_INTEL_SSE +# HAVE_INTEL_SSE2 +# HAVE_INTEL_SSE3 +# HAVE_INTEL_SSSE3 +# HAVE_INTEL_PCLMUL +# HAVE_INTEL_SSE4_1 +# HAVE_INTEL_SSE4_2 +# +# SIMD_COMPILE_FLAGS +# + +if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64") + set(HAVE_ARM 1) + include(CheckCCompilerFlag) + + check_c_compiler_flag(-march=armv8-a+crc+crypto HAVE_ARMV8_CRC_CRYPTO_INTRINSICS) + if(HAVE_ARMV8_CRC_CRYPTO_INTRINSICS) + set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crc+crypto") + set(HAVE_ARMV8_CRC TRUE) + set(HAVE_ARMV8_CRYPTO TRUE) + else() + check_c_compiler_flag(-march=armv8-a+crc HAVE_ARMV8_CRC) + check_c_compiler_flag(-march=armv8-a+crypto HAVE_ARMV8_CRYPTO) + if(HAVE_ARMV8_CRC) + set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crc") + elseif(HAVE_ARMV8_CRYPTO) + set(ARMV8_CRC_COMPILE_FLAGS "-march=armv8-a+crypto") + endif() + endif() + + CHECK_C_COMPILER_FLAG(-march=armv8-a+simd HAVE_ARMV8_SIMD) + if(HAVE_ARMV8_SIMD) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -march=armv8-a+simd") + endif() + +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM") + set(HAVE_ARM 1) + CHECK_C_COMPILER_FLAG(-mfpu=neon HAVE_ARM_NEON) + if(HAVE_ARM_NEON) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mfpu=neon") + endif() + +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i386|i686|amd64|x86_64|AMD64") + set(HAVE_INTEL 1) + if(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64") + CHECK_C_COMPILER_FLAG(-msse HAVE_INTEL_SSE) + if(HAVE_INTEL_SSE) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse") + endif() + if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64") + CHECK_C_COMPILER_FLAG(-msse2 HAVE_INTEL_SSE2) + if(HAVE_INTEL_SSE2) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse2") + endif() + CHECK_C_COMPILER_FLAG(-msse3 HAVE_INTEL_SSE3) + if(HAVE_INTEL_SSE3) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse3") + endif() + CHECK_C_COMPILER_FLAG(-mssse3 HAVE_INTEL_SSSE3) + if(HAVE_INTEL_SSSE3) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mssse3") + endif() + CHECK_C_COMPILER_FLAG(-mpclmul HAVE_INTEL_PCLMUL) + if(HAVE_INTEL_PCLMUL) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mpclmul") + endif() + CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_INTEL_SSE4_1) + if(HAVE_INTEL_SSE4_1) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.1") + endif() + CHECK_C_COMPILER_FLAG(-msse4.2 HAVE_INTEL_SSE4_2) + if(HAVE_INTEL_SSE4_2) + set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.2") + endif() + endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64") + endif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64") +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64|(powerpc|ppc)64le") + if(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le") + set(HAVE_PPC64LE 1) + message(STATUS " we are ppc64le") + else() + set(HAVE_PPC64 1) + message(STATUS " we are ppc64") + endif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le") + CHECK_C_COMPILER_FLAG("-maltivec" HAS_ALTIVEC) + if(HAS_ALTIVEC) + message(STATUS " HAS_ALTIVEC yes") + add_compile_options(-maltivec) + endif() + CHECK_C_COMPILER_FLAG("-mcpu=power8" HAVE_POWER8) + if(HAVE_POWER8) + message(STATUS " HAVE_POWER8 yes") + endif() +endif() |