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Enreg structs x86 windows. #55535

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Merged
sandreenko merged 2 commits into from
Jul 13, 2021
Merged

Enreg structs x86 windows. #55535

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3f356e0
Mark more cases as DoNotEnreg before CSE.
Jul 8, 2021
c6f2bf5
enable for x86.
Jul 3, 2021
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Mark more cases as DoNotEnreg before CSE. 
There are CSE metrics that take into account how many potential enreg locals
do we have.
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Sergey committed Jul 12, 2021
commit 3f356e09bdba60dfb87f5941deb02578dc5cf019
4 changes: 4 additions & 0 deletions src/coreclr/jit/lclvars.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3497,6 +3497,10 @@ void Compiler::lvaSortByRefCount()
{
lvaSetVarDoNotEnregister(lclNum DEBUGARG(DNER_IsStruct));
}
else if (!varDsc->IsEnregisterableType())
{
lvaSetVarDoNotEnregister(lclNum DEBUGARG(DNER_IsStruct));
}
}
if (varDsc->lvIsStructField && (lvaGetParentPromotionType(lclNum) != PROMOTION_TYPE_INDEPENDENT))
{
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