Function `_mm256_mask_compress_epi8`

#[target_feature(enable = "avx512vbmi2", enable = "avx512vl")]
pub fn _mm256_mask_compress_epi8(src: __m256i, k: __mmask32, a: __m256i) -> __m256i

Contiguously store the active 8-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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