pub unsafe fn _mm256_mask2_permutex2var_pd(
    a: __m256d,
    idx: __m256i,
    k: u8,
    b: __m256d
) -> __m256d
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on x86-64 only.
Expand description

Shuffle double-precision (64-bit) floating-point elements 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 idx when the corresponding mask bit is not set)

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