https://doc.rust-lang.org/beta/core/arch/x86/fn._mm512_castpd_ph.html
_mm512_castpd_ph in core::arch::x86 - Rust
Cast vector of type `__m512d` to type `__m512h`. This intrinsic is only used for compilation and does not generate any instructions, thus it has zero latency.
phcorearchrust
https://doc.rust-lang.org/core/arch/x86/fn._mm_castpd_si128.html
_mm_castpd_si128 in core::arch::x86 - Rust
Casts a 128-bit floating-point vector of `[2 x double]` into a 128-bit integer vector.
mmcorearchrust