# Function core::arch::x86_64::_mm256_mask2_permutex2var_pd

source ·

    pub unsafe fn _mm256_mask2_permutex2var_pd(
        a: __m256d,
        idx: __m256i,
        k: __mmask8,
        b: __m256d
    ) -> __m256d

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f,avx512vl` and 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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