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arm64: Optimise x < 0 and x >= 0 #120667

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arm64: Optimise x < 0 and x >= 0 #120667

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@jonathandavies-arm
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@jonathandavies-arm jonathandavies-arm commented Oct 13, 2025

@jonathandavies-arm
arm64: Optimise x < 0 and x >= 0
dc4e0bb 
- Fixes dotnet#83562
- Add tests for previous work
- Add tbz/tbnz support for short and sbyte
@github-actions github-actions bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Oct 13, 2025
@dotnet-policy-service dotnet-policy-service bot added the community-contribution Indicates that the PR has been added by a community member label Oct 13, 2025
@build-analysis build-analysis bot mentioned this pull request Oct 13, 2025
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am11 commented Oct 14, 2025

cc @tomeksowi, in case this opt is interesting for riscv64. :)

jakobbotsch
jakobbotsch reviewed Oct 14, 2025
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@SwapnilGaikwad
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SwapnilGaikwad commented Oct 28, 2025

Hi @jakobbotsch , kindly let us know if we need any further changes to push this forward.

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SwapnilGaikwad commented Nov 3, 2025

Hi @EgorBo, could you take a look at this PR please?

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EgorBo commented Nov 3, 2025

/azp run Fuzzlyn

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ARM64 - Follow-up on x < 0 and x >= 0

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@jonathandavies-arm @am11 @SwapnilGaikwad @EgorBo @jakobbotsch