# Function core::arch::x86_64::_mm512_mask_extracti64x4_epi64

source · [−]

    pub unsafe fn _mm512_mask_extracti64x4_epi64(
        src: __m256i,
        k: __mmask8,
        a: __m512i,
        const IMM1: i32
    ) -> __m256i

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

Extract 256 bits (composed of 4 packed 64-bit integers) from a, selected with IMM1, 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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