Function core::arch::x86_64::_mm256_mask_permutexvar_epi64

pub unsafe fn _mm256_mask_permutexvar_epi64(
    src: __m256i,
    k: __mmask8,
    idx: __m256i,
    a: __m256i
) -> __m256i

🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)

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

Shuffle 64-bit integers in a across lanes using the corresponding index in idx, 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