Function `_mm256_maskz_set1_epi8`

#[target_feature(enable = "avx512bw", enable = "avx512vl")]
pub const fn _mm256_maskz_set1_epi8(k: __mmask32, a: i8) -> __m256i

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).