pub unsafe fn _mm_mask_compress_epi8(
    src: __m128i,
    k: __mmask16,
    a: __m128i
) -> __m128i
🔬 This is a nightly-only experimental API. (stdsimd #48556)
Available on x86 and target feature avx512vbmi2,avx512vl 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