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@SingleAccretion SingleAccretion commented Jun 15, 2022

Diffs are for pretty much the same reasons as in #70777 (comment), the one difference being that there are a lot of regressions in libraries tests.

I have analyzed them, and the large number is due to the fact they're coming from the numerous MoveNext methods on async state machines. All have a singular cause: we don't set DNER on a small struct argument (which by itself is good) and this causes the RA to not enregister another local.

@ghost ghost added area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI community-contribution Indicates that the PR has been added by a community member labels Jun 15, 2022
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ghost commented Jun 15, 2022

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Depends on #70777.

Author: SingleAccretion
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area-CodeGen-coreclr

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@SingleAccretion SingleAccretion changed the title Enable TYP_STRUCT LCL_VAR/LCL_FLD call args on x86 Enable TYP_STRUCT LCL_VAR/LCL_FLD call args on x86 Jun 15, 2022
@SingleAccretion SingleAccretion force-pushed the Struct-LclFld-Args-x86 branch from 1a9984d to bd112ab Compare June 15, 2022 17:50
@SingleAccretion SingleAccretion force-pushed the Struct-LclFld-Args-x86 branch from bd112ab to 5e77628 Compare June 19, 2022 20:48
@SingleAccretion SingleAccretion marked this pull request as ready for review June 20, 2022 10:12
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@jakobbotsch jakobbotsch merged commit 604681a into dotnet:main Jun 22, 2022
@SingleAccretion SingleAccretion deleted the Struct-LclFld-Args-x86 branch June 22, 2022 14:16
@ghost ghost locked as resolved and limited conversation to collaborators Jul 22, 2022
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