rust-lang / rust-lang/rustc_codegen_cranelift
Better simd platform intrinsic validation
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A-core-arch
C-enhancement
- Dominant language
- Rust
- Stars
- 2.1k
- Forks
- 157
- Avg merge
- 1d 19h
- Merged PRs (30d)
- 3
Description
We currently crash on many misuses of the simd platform intrinsics.
- https://github.com/bjorn3/rustc_codegen_cranelift/issues/1315
- https://github.com/bjorn3/rustc_codegen_cranelift/issues/1320
- https://github.com/bjorn3/rustc_codegen_cranelift/issues/1322
- https://github.com/bjorn3/rustc_codegen_cranelift/issues/1323
- https://github.com/bjorn3/rustc_codegen_cranelift/issues/1326
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 reviewing the five linked issues, which document completed cases of misused SIMD platform intrinsics. Then locate the relevant intrinsic validation paths in rustc_codegen_cranelift. Done means the listed misuse cases are validated rather than causing crashes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100