mirror of
https://github.com/ceph/ceph
synced 2024-12-27 05:53:20 +00:00
129 lines
4.3 KiB
CMake
129 lines
4.3 KiB
CMake
# detect SIMD extensions
|
|
#
|
|
# HAVE_ARMV8_CRC
|
|
# HAVE_ARMV8_SIMD
|
|
# HAVE_ARM_NEON
|
|
# HAVE_INTEL_SSE
|
|
# HAVE_INTEL_SSE2
|
|
# HAVE_INTEL_SSE3
|
|
# HAVE_INTEL_SSSE3
|
|
# HAVE_INTEL_PCLMUL
|
|
# HAVE_INTEL_SSE4_1
|
|
# HAVE_INTEL_SSE4_2
|
|
#
|
|
# SIMD_COMPILE_FLAGS
|
|
#
|
|
|
|
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
|
|
set(HAVE_ARM 1)
|
|
set(save_quiet ${CMAKE_REQUIRED_QUIET})
|
|
set(CMAKE_REQUIRED_QUIET true)
|
|
include(CheckCXXSourceCompiles)
|
|
|
|
check_cxx_source_compiles("
|
|
#define CRC32CX(crc, value) __asm__(\"crc32cx %w[c], %w[c], %x[v]\":[c]\"+r\"(crc):[v]\"r\"(value))
|
|
asm(\".arch_extension crc\");
|
|
unsigned int foo(unsigned int ret) {
|
|
CRC32CX(ret, 0);
|
|
return ret;
|
|
}
|
|
int main() { foo(0); }" HAVE_ARMV8_CRC)
|
|
check_cxx_source_compiles("
|
|
asm(\".arch_extension crypto\");
|
|
unsigned int foo(unsigned int ret) {
|
|
__asm__(\"pmull v2.1q, v2.1d, v1.1d\");
|
|
return ret;
|
|
}
|
|
int main() { foo(0); }" HAVE_ARMV8_CRYPTO)
|
|
|
|
set(CMAKE_REQUIRED_QUIET ${save_quiet})
|
|
if(HAVE_ARMV8_CRC)
|
|
message(STATUS " aarch64 crc extensions supported")
|
|
endif()
|
|
|
|
if(HAVE_ARMV8_CRYPTO)
|
|
message(STATUS " aarch64 crypto extensions supported")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG(-march=armv8-a+crc+crypto HAVE_ARMV8_CRC_CRYPTO_MARCH)
|
|
|
|
# don't believe only the -march support; gcc 4.8.5 on RHEL/CentOS says
|
|
# it supports +crc but hasn't got the intrinsics or arm_acle.h. Test for
|
|
# the actual presence of one of the intrinsic functions.
|
|
if(HAVE_ARMV8_CRC_CRYPTO_MARCH)
|
|
check_cxx_source_compiles("
|
|
#include <inttypes.h>
|
|
int main() { uint32_t a; uint8_t b; __builtin_aarch64_crc32b(a, b); }
|
|
" HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
|
|
endif()
|
|
|
|
if(HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
|
|
message(STATUS " aarch64 crc+crypto intrinsics supported")
|
|
set(ARMV8_CRC_COMPILE_FLAGS "${ARMV8_CRC_COMPILE_FLAGS} -march=armv8-a+crc+crypto")
|
|
endif()
|
|
|
|
CHECK_C_COMPILER_FLAG(-march=armv8-a+simd HAVE_ARMV8_SIMD)
|
|
if(HAVE_ARMV8_SIMD)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -march=armv8-a+simd")
|
|
endif()
|
|
|
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM")
|
|
set(HAVE_ARM 1)
|
|
CHECK_C_COMPILER_FLAG(-mfpu=neon HAVE_ARM_NEON)
|
|
if(HAVE_ARM_NEON)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mfpu=neon")
|
|
endif()
|
|
|
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i386|i686|amd64|x86_64|AMD64")
|
|
set(HAVE_INTEL 1)
|
|
if(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64")
|
|
CHECK_C_COMPILER_FLAG(-msse HAVE_INTEL_SSE)
|
|
if(HAVE_INTEL_SSE)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse")
|
|
endif()
|
|
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
|
|
CHECK_C_COMPILER_FLAG(-msse2 HAVE_INTEL_SSE2)
|
|
if(HAVE_INTEL_SSE2)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse2")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG(-msse3 HAVE_INTEL_SSE3)
|
|
if(HAVE_INTEL_SSE3)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse3")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG(-mssse3 HAVE_INTEL_SSSE3)
|
|
if(HAVE_INTEL_SSSE3)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mssse3")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG(-mpclmul HAVE_INTEL_PCLMUL)
|
|
if(HAVE_INTEL_PCLMUL)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -mpclmul")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_INTEL_SSE4_1)
|
|
if(HAVE_INTEL_SSE4_1)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.1")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG(-msse4.2 HAVE_INTEL_SSE4_2)
|
|
if(HAVE_INTEL_SSE4_2)
|
|
set(SIMD_COMPILE_FLAGS "${SIMD_COMPILE_FLAGS} -msse4.2")
|
|
endif()
|
|
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
|
|
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686|amd64|x86_64|AMD64")
|
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64|(powerpc|ppc)64le")
|
|
if(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le")
|
|
set(HAVE_PPC64LE 1)
|
|
message(STATUS " we are ppc64le")
|
|
else()
|
|
set(HAVE_PPC64 1)
|
|
message(STATUS " we are ppc64")
|
|
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64le")
|
|
CHECK_C_COMPILER_FLAG("-maltivec" HAS_ALTIVEC)
|
|
if(HAS_ALTIVEC)
|
|
message(STATUS " HAS_ALTIVEC yes")
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maltivec")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -maltivec")
|
|
endif()
|
|
CHECK_C_COMPILER_FLAG("-mcpu=power8" HAVE_POWER8)
|
|
if(HAVE_POWER8)
|
|
message(STATUS " HAVE_POWER8 yes")
|
|
endif()
|
|
endif()
|