Function core_arch::x86::_mm_shuffle_pd

pub unsafe fn _mm_shuffle_pd(a: __m128d, b: __m128d, imm8: i32) -> __m128d

This is supported on x86 and target feature sse2 only.

Constructs a 128-bit floating-point vector of [2 x double] from two 128-bit vector parameters of [2 x double], using the immediate-value parameter as a specifier.

Intel's documentation