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Disable HAS_MORE_THAN_64_REGISTERS until we add complete support #103146

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merged 2 commits into from
Jun 7, 2024

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kunalspathak
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We should just disable this until we add complete support for more than 64 registers because we might start operating on high although we do not have corresponding registers.

@dotnet-issue-labeler dotnet-issue-labeler bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Jun 7, 2024
@kunalspathak kunalspathak requested a review from jakobbotsch June 7, 2024 00:27
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@dotnet/arm64-contrib

@kunalspathak kunalspathak added the arm-sve Work related to arm64 SVE/SVE2 support label Jun 7, 2024
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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
See info in area-owners.md if you want to be subscribed.

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@a74nh a74nh left a comment

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Without this I get

Assert failure(PID 2595598 [0x00279b0e], Thread: 2595598 [0x279b0e]): Assertion failed '(unsigned)regNum < ArrLen(physRegs)' in 'JIT.HardwareIntrinsics.Arm._Sve.SveGatherVectorVectorBasesTest__Sve_GatherVector_Indices_float_int:RunBasicScenario_UnsafeRead():this' during 'LSRA build intervals' (IL size 132; hash 0x163ac2a9; Tier0)

    File: /home/alahay01/dotnet/runtime_sve_api/src/coreclr/jit/lsra.cpp:468
    Image: /home/alahay01/dotnet/runtime_sve_api/artifacts/tests/coreclr/linux.arm64.Checked/Tests/Core_Root/corerun

When running any of the Sve tests.

Approved as it's blocking me.

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@TIHan TIHan left a comment

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LGTM. This is what I was experiencing too in the prefetch pr.

@TIHan TIHan merged commit 7393b6e into dotnet:main Jun 7, 2024
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3 participants