Function _mm_mask_expand_epi32

pub fn _mm_mask_expand_epi32(src: __m128i, k: __mmask8, a: __m128i) -> __m128i

Available on (x86 or x86-64) and target feature avx512f and target feature avx512vl and x86 only.

Load contiguous active 32-bit integers from a (those with their respective bit set in mask k), and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

Intel’s documentation