Function core::arch::x86::_mm_mask_permutex2var_epi8

pub unsafe fn _mm_mask_permutex2var_epi8(
    a: __m128i, 
    k: __mmask16, 
    idx: __m128i, 
    b: __m128i
) -> __m128i

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on x86 and target feature avx512vbmi,avx512vl only.

Shuffle 8-bit integers in a and b across lanes using the corresponding selector and index in idx, and store the results in dst using writemask k (elements are copied from a when the corresponding mask bit is not set).

Intel’s documentation