Function _mm512_mask_cmpeq_epi8_mask

#[target_feature(enable = "avx512bw")]
pub const fn _mm512_mask_cmpeq_epi8_mask(k1: __mmask64, a: __m512i, b: __m512i) -> __mmask64

Compare packed signed 8-bit integers in a and b for equality, and store the results in mask vector k using zeromask k1 (elements are zeroed out when the corresponding mask bit is not set).

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