Add -mavx2 for TARGET=HASWELL if compiler supports and requires it
@@ -45,6 +45,12 @@ if (DEFINED TARGET)
if (${TARGET} STREQUAL "SKYLAKEX" AND NOT NO_AVX512)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
endif()
+if (${TARGET} STREQUAL "HASWELL" AND NOT NO_AVX2)
+ execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+ if (${GCC_VERSION} VERSION_GREATER 4.7 OR ${GCC_VERSION} VERSION_EQUAL 4.7)
+ set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx2")
+ endif()
+endif()
endif()
if (DEFINED TARGET)
