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| author | Vladislav Vaintroub <wlad@mariadb.com> | 2018-08-14 18:58:41 +0200 |
|---|---|---|
| committer | Vladislav Vaintroub <wlad@mariadb.com> | 2018-08-15 11:18:49 +0100 |
| commit | b795134802c486311e1987f18a95fb17c12935e3 (patch) | |
| tree | b4127005557f0953aba0251d8ed84a7a0dd3f500 /storage/rocksdb | |
| parent | 964ad0c426926034933eb759d34de7379dbf4aed (diff) | |
| download | mariadb-git-b795134802c486311e1987f18a95fb17c12935e3.tar.gz | |
MDEV-16859 MyRocks: support SSE42 CRC32-C instruction.
Diffstat (limited to 'storage/rocksdb')
| -rw-r--r-- | storage/rocksdb/build_rocksdb.cmake | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/storage/rocksdb/build_rocksdb.cmake b/storage/rocksdb/build_rocksdb.cmake index 0f1b77e255d..895d473c2d4 100644 --- a/storage/rocksdb/build_rocksdb.cmake +++ b/storage/rocksdb/build_rocksdb.cmake @@ -376,9 +376,31 @@ SET(SOURCES) FOREACH(s ${ROCKSDB_SOURCES}) list(APPEND SOURCES ${ROCKSDB_SOURCE_DIR}/${s}) ENDFOREACH() -IF(MSVC) + +if(MSVC) add_definitions(-DHAVE_SSE42 -DHAVE_PCLMUL) -ENDIF() +else() + set(CMAKE_REQUIRED_FLAGS "-msse4.2 -mpclmul ${CXX11_FLAGS}") + + CHECK_CXX_SOURCE_COMPILES(" +#include <cstdint> +#include <nmmintrin.h> +#include <wmmintrin.h> +int main() { + volatile uint32_t x = _mm_crc32_u32(0, 0); + const auto a = _mm_set_epi64x(0, 0); + const auto b = _mm_set_epi64x(0, 0); + const auto c = _mm_clmulepi64_si128(a, b, 0x00); + auto d = _mm_cvtsi128_si64(c); +} +" HAVE_SSE42) + if(HAVE_SSE42) + set_source_files_properties(${ROCKSDB_SOURCE_DIR}/util/crc32c.cc + PROPERTIES COMPILE_FLAGS "-DHAVE_SSE42 -DHAVE_PCLMUL -msse4.2 -mpclmul") + endif() + unset(CMAKE_REQUIRED_FLAGS) +endif() + IF(CMAKE_VERSION VERSION_GREATER "2.8.10") STRING(TIMESTAMP GIT_DATE_TIME "%Y-%m-%d %H:%M:%S") ENDIF() |