pub unsafe fn _mm512_shuffle_f64x2(
    a: __m512d,
    b: __m512d,
    const MASK: i32
) -> __m512d
🔬 This is a nightly-only experimental API. (stdsimd #48556)
Available on x86 and target feature avx512f only.
Expand description

Shuffle 128-bits (composed of 2 double-precision (64-bit) floating-point elements) selected by imm8 from a and b, and store the results in dst.

Intel’s documentation