# Function core::arch::x86_64::_mm512_mask_permutex2var_epi8

source ·

    pub unsafe fn _mm512_mask_permutex2var_epi8(
        a: __m512i,
        k: __mmask64,
        idx: __m512i,
        b: __m512i
    ) -> __m512i

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512` #111137)
Available on (x86 or x86-64) and target feature `avx512vbmi` and x86-64 only.
Expand description

Shuffle 8-bit integers 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 a when the corresponding mask bit is not set).

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