Fix CMake to work with new CPUs and old GCCs

This commit is contained in:
dvdgrgrtt 2021-10-04 15:28:18 +02:00 committed by dvdgrgrtt
parent b58915d7ed
commit 821e6834d9
1 changed files with 9 additions and 6 deletions

View File

@ -376,13 +376,16 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
find_package(SSE)
endif (AUTO_DETECT_ISA)
ADD_C_COMPILER_FLAG_IF_AVAILABLE("-march=${GCC_ARCH}" HAVE_MARCH_${GCC_ARCH})
ADD_CXX_COMPILER_FLAG_IF_AVAILABLE("-march=${GCC_ARCH}" HAVE_MARCH_${GCC_ARCH})
if (HAVE_AVX2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx2 -DLV_HAVE_AVX2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -mavx2 -DLV_HAVE_AVX2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
else (HAVE_AVX2)
if(HAVE_AVX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif(HAVE_SSE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
endif(HAVE_AVX)
endif (HAVE_AVX2)
@ -432,12 +435,12 @@ if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
find_package(SSE)
endif (AUTO_DETECT_ISA)
if (HAVE_AVX2)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx2 -DLV_HAVE_AVX2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -mavx2 -DLV_HAVE_AVX2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
else (HAVE_AVX2)
if(HAVE_AVX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
elseif(HAVE_SSE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=${GCC_ARCH} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
endif(HAVE_AVX)
endif (HAVE_AVX2)