pub unsafe fn _mm512_mask_compress_epi8(
    src: __m512i,
    k: u64,
    a: __m512i
) -> __m512i
🔬This is a nightly-only experimental API. (stdsimd)
Available on x86-64 only.
Expand description

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.

Intel’s documentation