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RocksDB Cmake changes for Arm64 CRC32 Optimization (#5304)

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Summary:
Add CMake build for RocksDB CRC32 Optimization on Arm64.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5304

Differential Revision: D15355193

Pulled By: miasantreble

fbshipit-source-id: 8d750a444274fbde14e510f51290631a369026b8
This commit is contained in:
Yuqi Gu 2019-05-15 13:24:36 -07:00 committed by Facebook Github Bot
parent a42757607d
commit da7c89d79d
1 changed files with 15 additions and 1 deletions
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16
CMakeLists.txt
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@ -201,6 +201,15 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")
endif(HAS_ALTIVEC)
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
CHECK_C_COMPILER_FLAG("-march=armv8-a+crc" HAS_ARMV8_CRC)
if(HAS_ARMV8_CRC)
message(STATUS " HAS_ARMV8_CRC yes")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv8-a+crc -Wno-unused-function")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a+crc -Wno-unused-function")
endif(HAS_ARMV8_CRC)
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
option(PORTABLE "build a portable binary" OFF)
option(FORCE_SSE42 "force building with SSE4.2, even when PORTABLE=ON" OFF)
if(PORTABLE)
@ -213,7 +222,7 @@ else()
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2")
else()
if(NOT HAVE_POWER8)
if(NOT HAVE_POWER8 AND NOT HAS_ARMV8_CRC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
endif()
@ -694,6 +703,11 @@ if(HAVE_POWER8)
util/crc32c_ppc_asm.S)
endif(HAVE_POWER8)
if(HAS_ARMV8_CRC)
list(APPEND SOURCES
util/crc32c_arm64.cc)
endif(HAS_ARMV8_CRC)
if(WIN32)
list(APPEND SOURCES
port/win/io_win.cc