Workaround for llvm bug for f32x3 saturating fp->int opt-level=0 on aarch64 is fixed in LLVM 20
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A-LLVM
A-SIMD
C-cleanup
O-AArch64
PG-portable-simd
T-libs
WG-llvm
- Dominant language
- Rust
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Description
workaround added in https://github.com/rust-lang/portable-simd/pull/422#issuecomment-2153517021 for https://github.com/llvm/llvm-project/issues/94694
fixed in llvm 20
Contributor guide
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
No file or test is named. Start by reviewing the workaround referenced in portable-simd PR #422 and LLVM issue #94694, then compare its behavior with LLVM 20; the issue is complete when the repository's handling of this LLVM bug reflects the LLVM 20 fix and is validated.
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