Function _mm_maskz_expand_epi8 

pub fn _mm_maskz_expand_epi8(k: __mmask16, a: __m128i) -> __m128i

Available on x86-64 and target feature avx512vbmi2 and target feature avx512vl only.

Load contiguous active 8-bit integers from a (those with their respective bit set in mask k), 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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