Function _mm512_maskz_cvtsepi16_epi8

pub fn _mm512_maskz_cvtsepi16_epi8(k: __mmask32, a: __m512i) -> __m256i

Available on (x86 or x86-64) and target feature avx512bw and x86 only.

Convert packed signed 16-bit integers in a to packed 8-bit integers with signed saturation, 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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