asm: Work around LLVM bug on AArch64 #103897
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r? @davidtwco (rustbot has picked a reviewer for you, use r? to override) |
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Upstream issue: llvm/llvm-project#58384 LLVM gets confused if we assign a 32-bit value to a 64-bit register, so pass the 32-bit register name to LLVM in that case.
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Nov 3, 2022
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@bors r+ |
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Maybe add reminder to gh issues, to revert this when llvm get fixed? |
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It's not yet clear whether this is an issue in LLVM or if it should be handled in the front-end like we do here. I'll keep an eye on the LLVM issue. |
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#103367 (Remove std's transitive dependency on cfg-if 0.1) - rust-lang#103397 (Port `dead_code` lints to be translatable.) - rust-lang#103681 (libtest: run all tests in their own thread, if supported by the host) - rust-lang#103792 (Migrate `codegen_ssa` to diagnostics structs - [Part 2]) - rust-lang#103897 (asm: Work around LLVM bug on AArch64) - rust-lang#103937 (minor changes to make method lookup diagnostic code easier to read) - rust-lang#103958 (Test tidy should not count untracked paths towards entries limit) - rust-lang#103964 (Give a specific lint for unsafety not being inherited) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Upstream issue: llvm/llvm-project#58384
LLVM gets confused if we assign a 32-bit value to a 64-bit register, so pass the 32-bit register name to LLVM in that case.