pub unsafe fn _mm512_mask_blend_epi8(
    k: __mmask64,
    a: __m512i,
    b: __m512i
) -> __m512i
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on (x86 or x86-64) and target feature avx512bw and x86 only.
Expand description

Blend packed 8-bit integers from a and b using control mask k, and store the results in dst.

Intel’s documentation