rust-lang / rust-lang/rustc_codegen_cranelift
unsupported x86 sse2 intrinsic `llvm.x86.sse2.psll.q`
Open
Nobody has claimed this yet.
A-core-arch
C-enhancement
- Dominant language
- Rust
- Stars
- 2.1k
- Forks
- 157
- Avg merge
- 1d 19h
- Merged PRs (30d)
- 3
Description
Thanks for cranelift, it's a great project!
I have a project where I'm hitting the following message when building with rustc_codegen_cranelift
warning: unsupported x86 llvm intrinsic llvm.x86.sse2.psll.q; replacing with trap
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
Search the rustc_codegen_cranelift source for llvm.x86.sse2.psll.q and compare its handling with other x86 LLVM intrinsics. Done means the original build no longer reports the unsupported-intrinsic warning or replaces this operation with a trap, with coverage for the reported case.
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
- 35/100