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Add support for containing RotateLeft/RotateRight on Arm64 #101030

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Merged
merged 5 commits into from
Apr 15, 2024
Merged

Add support for containing RotateLeft/RotateRight on Arm64 #101030

merged 5 commits into from
Apr 15, 2024

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tannergooding
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This resolves #101027

@ghost ghost added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Apr 14, 2024
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@tannergooding tannergooding marked this pull request as ready for review April 15, 2024 06:54
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Some decent diffs with no TP impact for the x ^ rotate(y, cns) pattern: https://dev.azure.com/dnceng-public/public/_build/results?buildId=643031&view=ms.vss-build-web.run-extensions-tab

-11,540 on Linux Arm64, with about 25% of that in PGO benchmarks

CC. @dotnet/jit-contrib, @EgorBo this should be ready for review.

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EgorBo approved these changes Apr 15, 2024
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LGTM, thanks!

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tannergooding commented Apr 15, 2024 •
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hmmm, there is an SPMI replay failure. But it's in hwintrinsiccodegenarm64.cpp for DecodeFromUtf8 (which was updated over the weekend): #100589

I think it's likely unrelated to this PR, but I'll investigate and make sure an issue is opened before merging.

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Opened #101070, it is asserting without this PR and in other CI legs.

@tannergooding tannergooding merged commit 3d0da2c into dotnet:main Apr 15, 2024
@tannergooding tannergooding deleted the fix-101027 branch April 15, 2024 17:49
matouskozak pushed a commit to matouskozak/runtime that referenced this pull request Apr 30, 2024
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Add support for containing RotateLeft/RotateRight on Arm64 (dotnet#10…
bae5a06 
…1030)

* Add support for containing RotateLeft/RotateRight on Arm64

* Fix a variable name

* Applying formatting patch

* Ensure lsrabuild handles contained GT_ROR

* Ensure codegenlinear can consume contained GT_ROR
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arm64: ror+eor -> eor, ror
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