# Function core::arch::x86::_mm512_mask_extractf64x4_pd
[−][src]

    pub unsafe fn _mm512_mask_extractf64x4_pd(
        src: __m256d,
        k: __mmask8,
        a: __m512d,
        const IMM8: i32
    ) -> __m256d

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

Extract 256 bits (composed of 4 packed double-precision (64-bit) floating-point elements) from a, selected with imm8, 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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