pitrou commented on code in PR #36662:
URL: https://github.com/apache/arrow/pull/36662#discussion_r1262786747
##########
cpp/cmake_modules/SetupCxxFlags.cmake:
##########
@@ -62,29 +62,32 @@ if(ARROW_CPU_FLAG STREQUAL "x86")
"${ARROW_AVX512_FLAG} -mavx512f -mavx512cd -mavx512vl -mavx512dq
-mavx512bw")
check_cxx_compiler_flag(${ARROW_SSE4_2_FLAG} CXX_SUPPORTS_SSE4_2)
endif()
- check_cxx_compiler_flag(${ARROW_AVX2_FLAG} CXX_SUPPORTS_AVX2)
- if(MINGW)
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65782
- message(STATUS "Disable AVX512 support on MINGW for now")
- else()
- # Check for AVX512 support in the compiler.
- set(OLD_CMAKE_REQURED_FLAGS ${CMAKE_REQUIRED_FLAGS})
- set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${ARROW_AVX512_FLAG}")
- check_cxx_source_compiles("
- #ifdef _MSC_VER
- #include <intrin.h>
- #else
- #include <immintrin.h>
- #endif
-
- int main() {
- __m512i mask = _mm512_set1_epi32(0x1);
- char out[32];
- _mm512_storeu_si512(out, mask);
- return 0;
- }"
- CXX_SUPPORTS_AVX512)
- set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQURED_FLAGS})
+ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
Review Comment:
@kou Does this look ok to you?
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