powerpc backend is missing pnop instruction definition
Open
backend:PowerPC
enhancement
- Dominant language
- LLVM
- Stars
- 40.5k
- Forks
- 18.7k
- PR merge metrics
- PR metrics pending
Description
`pnop` was added in Power ISA v3.1, but it was missed when all the prefixed instructions were being added to the powerpc backend.
Contributor guide
Research direction
Start by locating the PowerPC backend's definitions for prefixed instructions and compare them with the Power ISA v3.1 instruction set. Add the missing pnop definition and verify that the backend recognizes it using the relevant PowerPC backend tests, if present.
Written by the indexing model from the issue text.
Assessment
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100