Function `_mm512_maskz_set1_epi8`

#[target_feature(enable = "avx512bw")]
pub const fn _mm512_maskz_set1_epi8(k: __mmask64, a: i8) -> __m512i

Broadcast 8-bit integer a to all elements of dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).