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Intrinsify Unsafe.Read/Write/Copy, handle struct BitCast #85562

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merged 64 commits into from
Jul 23, 2023
Merged

Intrinsify Unsafe.Read/Write/Copy, handle struct BitCast #85562

merged 64 commits into from
Jul 23, 2023

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MichalPetryka
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@MichalPetryka MichalPetryka commented Apr 29, 2023 •
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Implements Unsafe.Read/Write/Copy (and the unaligned versions) as JIT intrinsics.

Fixes bugs with small type params not being correctly extended in bitcast.

Handles structs in Unsafe.BitCast via intrinsic.

Contributes to #69220.
Fixes #55357.

@ghost ghost added the community-contribution Indicates that the PR has been added by a community member label Apr 29, 2023
@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 Apr 29, 2023
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ghost commented Apr 29, 2023

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Implements Unsafe.Read/Write (and the unaligned versions) as JIT intrinsics.

Handles structs in Unsafe.BitCast via intrinsic.

Contributes to #69220.

Author: MichalPetryka
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area-CodeGen-coreclr, community-contribution
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@MichalPetryka MichalPetryka marked this pull request as ready for review April 30, 2023 18:35
SingleAccretion
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@MichalPetryka MichalPetryka mentioned this pull request May 1, 2023
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I'll be unable to respond to reviews for a few weeks, I've asked @thatbakamono to apply any feedback though.

@build-analysis build-analysis bot mentioned this pull request May 3, 2023
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@MichalPetryka MichalPetryka mentioned this pull request Jul 16, 2023
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EgorBo commented Jul 16, 2023

/azp run runtime-coreclr outerloop, runtime-extra-platforms, runtime-coreclr pgostress

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No commit pushedDate could be found for PR 85562 in repo dotnet/runtime

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EgorBo commented Jul 16, 2023

/azp run runtime-coreclr outerloop

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No commit pushedDate could be found for PR 85562 in repo dotnet/runtime

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EgorBo commented Jul 16, 2023

/azp run runtime-coreclr jitstress

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Azure Pipelines successfully started running 1 pipeline(s).

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EgorBo commented Jul 22, 2023

Can you please rebase it - CI should be better now

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@EgorBo EgorBo merged commit 8d2535d into dotnet:main Jul 23, 2023
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EgorBo commented Jul 23, 2023

Thanks!

@tannergooding tannergooding mentioned this pull request Jul 23, 2023
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@MichalPetryka MichalPetryka mentioned this pull request Jul 23, 2023
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@radical radical mentioned this pull request Jul 24, 2023
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@EgorBo EgorBo mentioned this pull request Jul 27, 2023
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@cincuranet cincuranet mentioned this pull request Aug 1, 2023
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Improvments:

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Possible regressions:

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Unsafe.As resulting in lots of unnecessary moves.
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@MichalPetryka @JulieLeeMSFT @EgorBo @AndyAyersMS @SingleAccretion