kelvin_encoding cleanup

* Use RV32Register type for scalar registers
* Extend the test coverage
* Use mpact_riscv scalar register alias list.

PiperOrigin-RevId: 560188046
3 files changed
tree: 4a37964d2702016b2c506dc99825172eb8ce009d
  1. sim/
  2. .bazelrc
  3. .gitignore
  4. BUILD
  5. WORKSPACE