# Function core::arch::x86_64::_mm512_extractf64x4_pd

source · [−]

    pub unsafe fn _mm512_extractf64x4_pd(a: __m512d, const IMM8: i32) -> __m256d

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

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