pub unsafe fn _mm256_movepi64_mask(a: __m256i) -> __mmask8🔬This is a nightly-only experimental API. (
stdarch_x86_avx512 #111137)Available on (x86 or x86-64) and target feature
avx512dq,avx512vl and x86-64 only.Expand description
Set each bit of mask register k based on the most significant bit of the corresponding packed 64-bit integer in a.