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Split up SIMD support in ENABLE_SIMD which enables sse2 support for the compiler and ENABLE_SIMD_CODE which enables the hand crafted SIMD math functions which defaults to OFF now since compilers have catched up on generating optimized vectorized SIMD code.

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Erik Hofman 2019-01-15 10:37:37 +01:00
parent df537d6e57
commit 073e8927b9
1 changed files with 4 additions and 3 deletions
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7
CMakeLists.txt
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@ -421,8 +421,8 @@ if(CMAKE_COMPILER_IS_GNUCXX)
"${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline") "${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline")
elseif (ENABLE_SIMD) elseif (ENABLE_SIMD)
if (X86 OR X86_64) if (X86 OR X86_64)
set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse") set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse") set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
endif() endif()
endif() endif()
endif(CMAKE_COMPILER_IS_GNUCXX) endif(CMAKE_COMPILER_IS_GNUCXX)
@ -446,7 +446,8 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "Ap
if (ENABLE_SIMD) if (ENABLE_SIMD)
if (X86 OR X86_64) if (X86 OR X86_64)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3 -mfpmath=sse") set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
endif() endif()
endif() endif()