Function `_mm512_maskz_permutexvar_epi8`

#[target_feature(enable = "avx512vbmi")]
pub fn _mm512_maskz_permutexvar_epi8(k: __mmask64, idx: __m512i, a: __m512i) -> __m512i

Shuffle 8-bit integers in a across lanes using the corresponding index in idx, and store the results in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

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