https://doc.rust-lang.org/core/arch/x86/fn._mm_cvtt_roundss_si32.html
_mm_cvtt_roundss_si32 in core::arch::x86 - Rust
Convert the lower single-precision (32-bit) floating-point element in a to a 32-bit integer with truncation, and store the result in dst. Exceptions can be...
mmcorearchrust