name : extra_avx512bw_mask.c #include <immintrin.h> /** * Test BW mask operations due to: * - MSVC has supported it since vs2019 see, * https://developercommunity.visualstudio.com/content/problem/518298/missing-avx512bw-mask-intrinsics.html * - Clang >= v8.0 * - GCC >= v7.1 */ int main(void) { __mmask64 m64 = _mm512_cmpeq_epi8_mask(_mm512_set1_epi8((char)1), _mm512_set1_epi8((char)1)); m64 = _kor_mask64(m64, m64); m64 = _kxor_mask64(m64, m64); m64 = _cvtu64_mask64(_cvtmask64_u64(m64)); m64 = _mm512_kunpackd(m64, m64); m64 = (__mmask64)_mm512_kunpackw((__mmask32)m64, (__mmask32)m64); return (int)_cvtmask64_u64(m64); }