Contributed a foundational improvement to the openjdk/leyden repository by redesigning ARM32 register handling in C++. The work replaced macro-based register definitions with a value-based approach, introducing a more structured and maintainable system for low-level ARM architecture programming. This change enhances code readability and reduces future maintenance risks by allowing registers to be treated as values, simplifying future refactoring and extension. The implementation underwent peer review and validation, ensuring robustness and alignment with project standards. Leveraging expertise in C++ development and ARM architecture, the developer established a safer, clearer foundation for ongoing ARM32 backend enhancements within the Leyden project.