| Issue |
127804
|
| Summary |
[AArch64][GlobalISel] llvm.fptoui.sat.i32.f128 miscompile
|
| Labels |
backend:AArch64,
miscompilation,
llvm:globalisel
|
| Assignees |
|
| Reporter |
nikic
|
Per https://github.com/rust-lang/compiler-builtins/pull/760, LLVM 20 appears to be miscompiling fptoui.sat.i32.f128 on AArch64 when GlobalISel is used.
Assembly for LLVM 19 and LLVM 20: https://llvm.godbolt.org/z/n3K4MEG7r
Likely related to https://github.com/llvm/llvm-project/pull/96297, cc @davemgreen
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