# Function core::arch::x86::_mm512_mask2_permutex2var_pd

source · [−]

    pub unsafe fn _mm512_mask2_permutex2var_pd(
        a: __m512d,
        idx: __m512i,
        k: __mmask8,
        b: __m512d
    ) -> __m512d

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f` and x86 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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