pub unsafe fn _mm256_mask_permutevar_pd(
    src: __m256d,
    k: u8,
    a: __m256d,
    b: __m256i
) -> __m256d
🔬This is a nightly-only experimental API. (stdsimd)
Available on non-crate feature miri-test-libstd and x86-64 only.
Expand description

Shuffle double-precision (64-bit) floating-point elements in a within 128-bit lanes using the control in b, 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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