Function _mm512_mask_compress_epi64

#[target_feature(enable = "avx512f")]
pub fn _mm512_mask_compress_epi64(src: __m512i, k: __mmask8, a: __m512i) -> __m512i

Contiguously store the active 64-bit integers in a (those with their respective bit set in writemask k) to dst, and pass through the remaining elements from src.

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