Function `_mm512_mask_set1_epi64`

#[target_feature(enable = "avx512f")]
pub const fn _mm512_mask_set1_epi64(src: __m512i, k: __mmask8, a: i64) -> __m512i

Broadcast 64-bit integer a to all elements of dst using writemask k (elements are copied from src when the corresponding mask bit is not set).