README.md

FindSSE.cmake

CMake module for check whether a SSE nstructions can be used on the machine.

• Supports SSE2/SSE3/SSSE3/SSE4.1/SSE4.2
• Supports check GCC version(-msse4.2 can use on GCC 4.3 or later)

Usage

SET (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

INCLUDE(FindSSE)
FindSSE ()
IF(SSE3_FOUND)
    IF(SSSE3_FOUND)
            SET(CXX_DFLAGS -msse3 -mssse3)
    ENDIF(SSSE3_FOUND)
ENDIF(SSE3_FOUND)

IF(SSE4_2_FOUND)
        SET(CXX_DFLAGS -msse4.2 -mpopcnt)
ENDIF(SSE4_2_FOUND)
ADD_DEFINITIONS(${CXX_DFLAGS})

Variables

• SSE2_FOUND
• SSE3_FOUND
• SSSE3_FOUND
• SSE4_1_FOUND
• SSE4_2_FOUND