pub unsafe fn _mm_mask_max_epu8(
    src: __m128i,
    k: __mmask16,
    a: __m128i,
    b: __m128i
) -> __m128i
🔬 This is a nightly-only experimental API. (stdsimd #48556)
Available on x86 and target feature avx512bw,avx512vl only.
Expand description

Compare packed unsigned 8-bit integers in a and b, and store packed maximum values in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

Intel’s documentation