mirror of
https://github.com/ceph/ceph
synced 2026-08-02 07:03:18 +00:00
e941e89318
- Add crc32_iscsi_by16_10 in src/isa-l into candidates for ceph_crc32c - Add hardware capability check for AVX512 instr before register - Add NASM feature check to ensure compatibility and to enable AS_FEATURE_LEVEL in crc32_iscsi_by16_10.asm Signed-off-by: Maodi Ma <mamaodi@hygon.cn>
68 lines
2.5 KiB
CMake
68 lines
2.5 KiB
CMake
macro(check_nasm_support _object_format _support_x64 _support_x64_and_avx2 _support_x64_and_avx512
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_support_x64_and_avx512_vpclmul)
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execute_process(
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COMMAND which nasm
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RESULT_VARIABLE no_nasm
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OUTPUT_QUIET
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ERROR_QUIET)
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if(NOT no_nasm)
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
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set(save_quiet ${CMAKE_REQUIRED_QUIET})
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set(CMAKE_REQUIRED_QUIET true)
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("
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#if defined(__x86_64__) && defined(__ILP32__)
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#error x32
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#endif
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int main() {}
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" ${_support_x64})
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set(CMAKE_REQUIRED_QUIET ${save_quiet})
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if(${_support_x64})
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execute_process(COMMAND nasm -f ${object_format} -i
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${CMAKE_SOURCE_DIR}/src/isa-l/include/
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${CMAKE_SOURCE_DIR}/src/isa-l/erasure_code/gf_vect_dot_prod_avx2.asm
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-o /dev/null
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RESULT_VARIABLE rc
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OUTPUT_QUIET
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ERROR_QUIET)
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if(NOT rc)
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set(${_support_x64_and_avx2} TRUE)
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endif()
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execute_process(COMMAND nasm -D HAVE_AS_KNOWS_AVX512 -f ${object_format}
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-i ${CMAKE_SOURCE_DIR}/src/isa-l/include/
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${CMAKE_SOURCE_DIR}/src/isa-l/erasure_code/gf_vect_dot_prod_avx512.asm
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-o /dev/null
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RESULT_VARIABLE rt
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OUTPUT_QUIET
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ERROR_QUIET)
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if(NOT rt)
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set(${_support_x64_and_avx512} TRUE)
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endif()
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execute_process(COMMAND nasm -D AS_FEATURE_LEVEL=10 -f ${object_format}
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-i ${CMAKE_SOURCE_DIR}/src/isa-l/include/
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${CMAKE_SOURCE_DIR}/src/isa-l/crc/crc32_iscsi_by16_10.asm
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-o /dev/null
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RESULT_VARIABLE rt
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OUTPUT_QUIET
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ERROR_QUIET)
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if(NOT rt)
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set(${_support_x64_and_avx512_vpclmul} TRUE)
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endif()
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endif(${_support_x64})
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endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
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endif(NOT no_nasm)
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if(no_nasm)
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message(STATUS "Could NOT find nasm")
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elseif(NOT ${_support_x64})
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message(STATUS "Found nasm: but x86_64 with x32 ABI is not supported")
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elseif(${_support_x64_and_avx512_vpclmul})
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message(STATUS "Found nasm: best of best -- capable of assembling AVX512 & VPCLMUL")
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elseif(${_support_x64_and_avx512})
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message(STATUS "Found nasm: best -- capable of assembling AVX512")
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elseif(${_support_x64_and_avx2})
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message(STATUS "Found nasm: better -- capable of assembling AVX2")
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elseif(${_support_x64})
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message(STATUS "Found nasm: good -- capable of assembling x86_64")
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endif()
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endmacro()
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