# Function core::arch::x86_64::_mm512_mask_shuffle_i64x2[−][src]

    pub unsafe fn _mm512_mask_shuffle_i64x2(
        src: __m512i,
        k: __mmask8,
        a: __m512i,
        b: __m512i,
        imm8: i32
    ) -> __m512i

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

Shuffle 128-bits (composed of 2 64-bit integers) selected by imm8 from a and 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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