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[Arm64] Use stp (SIMD) in genCodeForInitBlkUnroll and genCodeForCpBlkUnroll #48934

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echesakov opened this issue Mar 2, 2021 · 1 comment · Fixed by #61030
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[Arm64] Use stp (SIMD) in genCodeForInitBlkUnroll and genCodeForCpBlkUnroll #48934

echesakov opened this issue Mar 2, 2021 · 1 comment · Fixed by #61030
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@echesakov
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arch-arm64 area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI optimization
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Future

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@echesakov
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Use an approach suggested by Tamar in #43789 (comment)
Also see follow up in #43789 (comment)

We should investigate if we can use DC ZCA for genCodeForInitBlkUnroll when src->IsIntegralConst(0) in the same fashion as it is done in #46609

cc @dotnet/jit-contrib @TamarChristinaArm
@echesakov echesakov added arch-arm64 area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI optimization labels Mar 2, 2021
@echesakov echesakov added this to the 6.0.0 milestone Mar 2, 2021
@echesakov echesakov self-assigned this Mar 2, 2021
@dotnet-issue-labeler dotnet-issue-labeler bot added the untriaged New issue has not been triaged by the area owner label Mar 2, 2021
@echesakov echesakov removed the untriaged New issue has not been triaged by the area owner label Mar 2, 2021
@echesakov echesakov mentioned this issue Mar 15, 2021
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@echesakov
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Will not make in .NET 6

@echesakov echesakov modified the milestones: 6.0.0, Future Jul 8, 2021
@echesakov echesakov linked a pull request Dec 3, 2021 that will close this issue
Use SIMD operations in InitBlkUnroll/CopyBlkUnroll and increase unroll limit up to 128 bytes #61030
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@echesakov echesakov

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arch-arm64 area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI optimization
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.NET Core CodeGen
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Milestone
Future
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@echesakov @JulieLeeMSFT