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other: adjust compiler flag for clang.

This commit is contained in:
Haojun Liao 2022-12-13 19:19:12 +08:00
parent 9afdee5fd3
commit aa18d0a413
2 changed files with 15 additions and 9 deletions
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22
cmake/cmake.define
View File

@ -124,26 +124,32 @@ ELSE ()
ENDIF ()
INCLUDE(CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG("-msse4.2" GCC_SUPPORT_SSE42)
CHECK_C_COMPILER_FLAG("-mfma" GCC_SUPPORT_FMA)
CHECK_C_COMPILER_FLAG("-mavx" GCC_SUPPORT_AVX)
CHECK_C_COMPILER_FLAG("-mavx2" GCC_SUPPORT_AVX2)
IF ("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
SET(COMPILER_SUPPORT_SSE42 true)
MESSAGE(STATUS "Always enable sse4.2 for Clang")
ELSE()
CHECK_C_COMPILER_FLAG("-msse4.2" COMPILER_SUPPORT_SSE42)
ENDIF()
IF (GCC_SUPPORT_SSE42)
CHECK_C_COMPILER_FLAG("-mfma" COMPILER_SUPPORT_FMA)
CHECK_C_COMPILER_FLAG("-mavx" COMPILER_SUPPORT_AVX)
CHECK_C_COMPILER_FLAG("-mavx2" COMPILER_SUPPORT_AVX2)
IF (COMPILER_SUPPORT_SSE42)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
ENDIF()
IF (GCC_SUPPORT_FMA)
IF (COMPILER_SUPPORT_FMA)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfma")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfma")
ENDIF()
IF ("${SIMD_SUPPORT}" MATCHES "true")
IF (GCC_SUPPORT_AVX)
IF (COMPILER_SUPPORT_AVX)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
ENDIF()
IF (GCC_SUPPORT_AVX2)
IF (COMPILER_SUPPORT_AVX2)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx2")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2")
ENDIF()

2
cmake/cmake.platform
View File

@ -147,7 +147,7 @@ ELSE ()
ENDIF ()
ENDIF ()
MESSAGE(STATUS "platform arch:" ${PLATFORM_ARCH_STR})
MESSAGE(STATUS "Platform arch:" ${PLATFORM_ARCH_STR})
MESSAGE("C Compiler: ${CMAKE_C_COMPILER} (${CMAKE_C_COMPILER_ID}, ${CMAKE_C_COMPILER_VERSION})")
MESSAGE("CXX Compiler: ${CMAKE_CXX_COMPILER} (${CMAKE_C_COMPILER_ID}, ${CMAKE_CXX_COMPILER_VERSION})")