michaelmelanson / michaelmelanson/riscy
Implement `MULHSU` instruction
Open
Nobody has claimed this yet.
enhancement
good first issue
- Dominant language
- Rust
- Stars
- 21
- Forks
- 2
- PR merge metrics
- No merged PRs in 30d
Description
The `MULHSU` instruction is not currently implemented. This should be fixed.
I excluded it when I first implemented the "M" extension, because I spent a while working on it, got frustrated, and moved on. 😂
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the Rust code that implements the RISC-V "M" extension and the existing multiplication instructions. Compare the surrounding instruction behavior with the RISC-V MULHSU specification, then verify the implementation using any relevant emulator tests or instruction-level checks available in the repository.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- devtools
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100