From 9fc8b732737f139d3e466510d75668ab45578960 Mon Sep 17 00:00:00 2001 From: manuel Date: Tue, 8 Mar 2016 21:02:53 +0100 Subject: sync with upstream --- project/cmake/modules/FindSSE.cmake | 105 ++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 project/cmake/modules/FindSSE.cmake (limited to 'project/cmake/modules/FindSSE.cmake') diff --git a/project/cmake/modules/FindSSE.cmake b/project/cmake/modules/FindSSE.cmake new file mode 100644 index 0000000..c76b811 --- /dev/null +++ b/project/cmake/modules/FindSSE.cmake @@ -0,0 +1,105 @@ +# Check if SSE instructions are available on the machine where +# the project is compiled. + +IF(CMAKE_SYSTEM_NAME MATCHES "Linux") + EXEC_PROGRAM(cat ARGS "/proc/cpuinfo" OUTPUT_VARIABLE CPUINFO) + + STRING(REGEX REPLACE "^.*(sse2).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "sse2" "${SSE_THERE}" SSE2_TRUE) + IF (SSE2_TRUE) + set(SSE2_FOUND true CACHE BOOL "SSE2 available on host") + ELSE (SSE2_TRUE) + set(SSE2_FOUND false CACHE BOOL "SSE2 available on host") + ENDIF (SSE2_TRUE) + + # /proc/cpuinfo apparently omits sse3 :( + STRING(REGEX REPLACE "^.*[^s](sse3).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "sse3" "${SSE_THERE}" SSE3_TRUE) + IF (NOT SSE3_TRUE) + STRING(REGEX REPLACE "^.*(T2300).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "T2300" "${SSE_THERE}" SSE3_TRUE) + ENDIF (NOT SSE3_TRUE) + + STRING(REGEX REPLACE "^.*(ssse3).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "ssse3" "${SSE_THERE}" SSSE3_TRUE) + IF (SSE3_TRUE OR SSSE3_TRUE) + set(SSE3_FOUND true CACHE BOOL "SSE3 available on host") + ELSE (SSE3_TRUE OR SSSE3_TRUE) + set(SSE3_FOUND false CACHE BOOL "SSE3 available on host") + ENDIF (SSE3_TRUE OR SSSE3_TRUE) + IF (SSSE3_TRUE) + set(SSSE3_FOUND true CACHE BOOL "SSSE3 available on host") + ELSE (SSSE3_TRUE) + set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host") + ENDIF (SSSE3_TRUE) + + STRING(REGEX REPLACE "^.*(sse4_1).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "sse4_1" "${SSE_THERE}" SSE41_TRUE) + IF (SSE41_TRUE) + set(SSE4_1_FOUND true CACHE BOOL "SSE4.1 available on host") + ELSE (SSE41_TRUE) + set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host") + ENDIF (SSE41_TRUE) +ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Darwin") + EXEC_PROGRAM("/usr/sbin/sysctl -n machdep.cpu.features" OUTPUT_VARIABLE + CPUINFO) + + STRING(REGEX REPLACE "^.*[^S](SSE2).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "SSE2" "${SSE_THERE}" SSE2_TRUE) + IF (SSE2_TRUE) + set(SSE2_FOUND true CACHE BOOL "SSE2 available on host") + ELSE (SSE2_TRUE) + set(SSE2_FOUND false CACHE BOOL "SSE2 available on host") + ENDIF (SSE2_TRUE) + + STRING(REGEX REPLACE "^.*[^S](SSE3).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "SSE3" "${SSE_THERE}" SSE3_TRUE) + IF (SSE3_TRUE) + set(SSE3_FOUND true CACHE BOOL "SSE3 available on host") + ELSE (SSE3_TRUE) + set(SSE3_FOUND false CACHE BOOL "SSE3 available on host") + ENDIF (SSE3_TRUE) + + STRING(REGEX REPLACE "^.*(SSSE3).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "SSSE3" "${SSE_THERE}" SSSE3_TRUE) + IF (SSSE3_TRUE) + set(SSSE3_FOUND true CACHE BOOL "SSSE3 available on host") + ELSE (SSSE3_TRUE) + set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host") + ENDIF (SSSE3_TRUE) + + STRING(REGEX REPLACE "^.*(SSE4.1).*$" "\\1" SSE_THERE ${CPUINFO}) + STRING(COMPARE EQUAL "SSE4.1" "${SSE_THERE}" SSE41_TRUE) + IF (SSE41_TRUE) + set(SSE4_1_FOUND true CACHE BOOL "SSE4.1 available on host") + ELSE (SSE41_TRUE) + set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host") + ENDIF (SSE41_TRUE) +ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Windows") + # TODO + set(SSE2_FOUND true CACHE BOOL "SSE2 available on host") + set(SSE3_FOUND false CACHE BOOL "SSE3 available on host") + set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host") + set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host") +ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux") + set(SSE2_FOUND true CACHE BOOL "SSE2 available on host") + set(SSE3_FOUND false CACHE BOOL "SSE3 available on host") + set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host") + set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host") +ENDIF(CMAKE_SYSTEM_NAME MATCHES "Linux") + +if(NOT SSE2_FOUND) + MESSAGE(STATUS "Could not find hardware support for SSE2 on this machine.") +endif(NOT SSE2_FOUND) +if(NOT SSE3_FOUND) + MESSAGE(STATUS "Could not find hardware support for SSE3 on this machine.") +endif(NOT SSE3_FOUND) +if(NOT SSSE3_FOUND) + MESSAGE(STATUS "Could not find hardware support for SSSE3 on this machine.") +endif(NOT SSSE3_FOUND) +if(NOT SSE4_1_FOUND) + MESSAGE(STATUS "Could not find hardware support for SSE4.1 on this machine.") +endif(NOT SSE4_1_FOUND) + +mark_as_advanced(SSE2_FOUND SSE3_FOUND SSSE3_FOUND SSE4_1_FOUND) + -- cgit v1.2.3