Function `_mm512_mask_set1_epi8`

#[target_feature(enable = "avx512bw")]
pub const fn _mm512_mask_set1_epi8(src: __m512i, k: __mmask64, a: i8) -> __m512i

Broadcast 8-bit integer a to all elements of dst using writemask k (elements are copied from src when the corresponding mask bit is not set).