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Add -march=skylake-avx512 to AVX512 compile check and suppress its output

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Martin Kroeker 2018-07-03 14:41:44 +02:00 committed by GitHub
parent 61659f8765
commit b74aef2816
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1 changed files with 1 additions and 1 deletions
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cmake/system_check.cmake
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@ -68,7 +68,7 @@ endif()
if (X86_64 OR X86)
file(WRITE ${PROJECT_BINARY_DIR}/avx512.tmp "int main(void){ __asm__ volatile(\"vbroadcastss -4 * 4(%rsi), %zmm2\"); }")
execute_process(COMMAND ${CMAKE_C_COMPILER} -v -o ${PROJECT_BINARY_DIR}/avx512.o -x c ${PROJECT_BINARY_DIR}/avx512.tmp RESULT_VARIABLE NO_AVX512)
execute_process(COMMAND ${CMAKE_C_COMPILER} -march=skylake-avx512 -v -o ${PROJECT_BINARY_DIR}/avx512.o -x c ${PROJECT_BINARY_DIR}/avx512.tmp OUTPUT_QUIET ERROR_QUIET RESULT_VARIABLE NO_AVX512)
if (NO_AVX512 EQUAL 1)
set (CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX512")
endif()