diff options
| author | Arnstein Ressem <aressem@yahoo-inc.com> | 2016-10-14 12:47:43 +0000 |
|---|---|---|
| committer | Arnstein Ressem <aressem@yahoo-inc.com> | 2016-10-14 12:47:43 +0000 |
| commit | e89edf777283a0309561acadf3d4bebe174c82a1 (patch) | |
| tree | caa70fc2d2629c085926107e9d995acecc9228fb | |
| parent | 4fd21e20966853f00d5a73ec83bb6927f88df2a0 (diff) | |
Add function to only add -mtune=skylake-avx512 for gcc >= 5.3
| -rw-r--r-- | functions.cmake | 9 | ||||
| -rw-r--r-- | staging_vespalib/src/vespa/vespalib/hwaccelrated/CMakeLists.txt | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/functions.cmake b/functions.cmake index 7db3d2edaf1..4e679509735 100644 --- a/functions.cmake +++ b/functions.cmake @@ -431,6 +431,15 @@ function(vespa_workaround_gcc_bug_67055 SOURCE_FILE) endif() endfunction() +function(vespa_workaround_set_gcc_march_skylake_avx512_if_supported SOURCE_FILE) + if(CMAKE_COMPILER_IS_GNUCC) + execute_process(COMMAND ${CMAKE_CPP_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION) + if (GCC_VERSION VERSION_GREATER "5.2") + set_source_files_properties(${SOURCE_FILE} PROPERTIES COMPILE_FLAGS -march=skylake-avx512) + endif() + endif() +endfunction() + macro(__initialize_module) # Set a couple of useful variables for this module set(MODULE_ROOT ${CMAKE_CURRENT_BINARY_DIR}) diff --git a/staging_vespalib/src/vespa/vespalib/hwaccelrated/CMakeLists.txt b/staging_vespalib/src/vespa/vespalib/hwaccelrated/CMakeLists.txt index 032528482e6..6362cdf6f87 100644 --- a/staging_vespalib/src/vespa/vespalib/hwaccelrated/CMakeLists.txt +++ b/staging_vespalib/src/vespa/vespalib/hwaccelrated/CMakeLists.txt @@ -11,4 +11,4 @@ vespa_add_library(staging_vespalib_vespalib_hwaccelrated OBJECT ) set_source_files_properties(avx.cpp PROPERTIES COMPILE_FLAGS -march=sandybridge) set_source_files_properties(avx2.cpp PROPERTIES COMPILE_FLAGS -march=haswell) -set_source_files_properties(avx512.cpp PROPERTIES COMPILE_FLAGS -march=skylake-avx512) +vespa_workaround_set_gcc_march_skylake_avx512_if_supported(avx512.cpp) |