Function _mm256_mask_permutexvar_epi64

pub unsafe fn _mm256_mask_permutexvar_epi64(
    src: __m256i,
    k: u8,
    idx: __m256i,
    a: __m256i,
) -> __m256i

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

Available on 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).

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