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SIMD optimizations: do not use AVX2 flag globally

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f4exb 2016-11-08 00:38:57 +01:00
parent 57b50f47a9
commit a40f31ed4a
1 changed files with 11 additions and 11 deletions
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22
CMakeLists.txt
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@ -416,17 +416,17 @@ message( STATUS "Architecture: ${ARCHITECTURE}" )
if (${ARCHITECTURE} MATCHES "x86_64|AMD64|x86") if (${ARCHITECTURE} MATCHES "x86_64|AMD64|x86")
EXECUTE_PROCESS( COMMAND grep flags /proc/cpuinfo OUTPUT_VARIABLE CPU_FLAGS ) EXECUTE_PROCESS( COMMAND grep flags /proc/cpuinfo OUTPUT_VARIABLE CPU_FLAGS )
if (${CPU_FLAGS} MATCHES "avx2") # if (${CPU_FLAGS} MATCHES "avx2")
set(HAS_AVX2 ON CACHE BOOL "Architecture has AVX2 SIMD enabled") # set(HAS_AVX2 ON CACHE BOOL "Architecture has AVX2 SIMD enabled")
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX) # if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mavx2" ) # set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mavx2" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mavx2" ) # set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mavx2" )
message(STATUS "Use AVX2 SIMD instructions") # message(STATUS "Use AVX2 SIMD instructions")
add_definitions(-DUSE_AVX2) # add_definitions(-DUSE_AVX2)
else() # else()
set(HAS_AVX2 OFF CACHE BOOL "Architecture does not have AVX2 SIMD enabled") # set(HAS_AVX2 OFF CACHE BOOL "Architecture does not have AVX2 SIMD enabled")
endif() # endif()
endif() # endif()
if (${CPU_FLAGS} MATCHES "sse4_1") if (${CPU_FLAGS} MATCHES "sse4_1")
set(HAS_SSE4_1 ON CACHE BOOL "Architecture has SSE 4.1 SIMD enabled") set(HAS_SSE4_1 ON CACHE BOOL "Architecture has SSE 4.1 SIMD enabled")
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX) if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)