add_library(avx OBJECT simd.cpp)
add_library(sse2 OBJECT simd.cpp)

IF(MSVC)
    set(COMPILE_FLAGS "/openmp /Wall")
    set_target_properties (avx PROPERTIES COMPILE_FLAGS "/arch:AVX")
    set_target_properties (sse2 PROPERTIES COMPILE_FLAGS "/arch:SSE2")
    set_target_properties(sse2 PROPERTIES COMPILE_DEFINITIONS __SSE2__)
    set(CMAKE_CXX_FLAGS ${COMPILE_FLAGS})
ELSE()
    set(COMPILE_FLAGS "-fopenmp -Wall")
    set_target_properties (avx PROPERTIES COMPILE_DEFINITIONS "-mavx")
    set_target_properties (sse2 PROPERTIES COMPILE_DEFINITIONS "-msse2")
    set(CMAKE_CXX_FLAGS ${COMPILE_FLAGS})
ENDIF()
add_executable(dispatch main.cpp $<TARGET_OBJECTS:avx> $<TARGET_OBJECTS:sse2>)