Developed Hexagon HVX SIMD integration for the rust-lang/rust repository, enabling architecture-specific vector operations through a dedicated vendor module. Focused on exposing 64-byte and 128-byte vector operations, the work included comprehensive tests and documentation of constraints for 128-byte HVX mode, particularly regarding u8x128 mapping. The implementation leveraged Rust and system programming expertise, aligning with the portable-simd architecture to support future performance enhancements. Post-review, the codebase was streamlined by reorganizing imports, removing redundancies, and clarifying comments, resulting in a maintainable and scalable SIMD path. This contribution strengthened Rust’s portability and performance capabilities on Qualcomm Hexagon targets.