Function _mm512_mask_permutex2var_epi8

#[target_feature(enable = "avx512vbmi")]
pub fn _mm512_mask_permutex2var_epi8(a: __m512i, k: __mmask64, idx: __m512i, b: __m512i) -> __m512i

Shuffle 8-bit integers in a and b across lanes using the corresponding selector and index in idx, and store the results in dst using writemask k (elements are copied from a when the corresponding mask bit is not set).

Intel's documentation