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cmake: sync with autotools (OPENMP_SIMD, fast-math)

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zdenop 2023-03-23 20:21:34 +01:00
parent 484d427c67
commit 691de2b945
1 changed files with 15 additions and 4 deletions
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19
CMakeLists.txt
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@ -185,6 +185,10 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|x86_64|AMD64|amd64|i386|i686")
set(HAVE_SSE4_1 ON)
set(SSE4_1_COMPILE_FLAGS "-D__SSE4_1__")
add_definitions("-DHAVE_SSE4_1")
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -openmp:experimental")
add_definitions("-DOPENMP_SIMD")
# clang with MSVC compatibility
if(CLANG)
set(CMAKE_CXX_FLAGS
@ -226,6 +230,12 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|x86_64|AMD64|amd64|i386|i686")
set(SSE4_1_COMPILE_FLAGS "-msse4.1")
add_definitions("-DHAVE_SSE4_1")
endif()
check_cxx_compiler_flag("-fopenmp-simd" OPENMP_SIMD)
if(OPENMP_SIMD)
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -fopenmp-simd")
add_definitions("-DOPENMP_SIMD")
endif(OPENMP_SIMD)
endif(MSVC)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64.*|AARCH64.*")
@ -331,10 +341,9 @@ if(OPENMP_BUILD)
# https://devblogs.microsoft.com/cppblog/openmp-updates-and-fixes-for-cpp-in-visual-studio-2019-16-10/
if("${OpenMP_CXX_FLAGS}" STREQUAL "-openmp")
set(OpenMP_CXX_FLAGS "-openmp:llvm")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd9025") # overriding '/openmp'
# with '/openmp:llvm'
endif()
# 'simd': requires '-openmp:experimental'
set_source_files_properties(src/arch/dotproduct.cpp
PROPERTIES COMPILE_FLAGS "-openmp:experimental")
endif()
if(OpenMP_FOUND)
message(">> OpenMP_FOUND ${OpenMP_FOUND} version: ${OpenMP_CXX_VERSION}")
@ -449,7 +458,9 @@ endif(ENABLE_OPENCL)
#
# ##############################################################################
if(NOT MSVC)
if(MSVC)
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} /fp:fast")
else()
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -O3 -ffast-math")
endif()