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[Backport] 8173196 [REDO] C2 does not optimize redundant memory operations with G1 #646

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kuaiwei opened this issue Jul 31, 2023 · 1 comment
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[Backport] 8173196 [REDO] C2 does not optimize redundant memory operations with G1 #646

kuaiwei opened this issue Jul 31, 2023 · 1 comment

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@kuaiwei
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kuaiwei commented Jul 31, 2023

Description
backport this patch for performance
MaxXSoft added a commit to MaxXSoft/dragonwell11 that referenced this issue Jul 31, 2023
@MaxXSoft
[Backport] 8173196: [REDO] C2 does not optimize redundant memory oper…
c04cff8 
…ations with G1

Summary: JDK-8087341 was backed out due to JDK-8172850. We should re-implement the enhancement.

Test Plan: ci jtreg

Reviewed-by: kuaiwei, JoshuaZhuwj

Issue: dragonwell-project#646

CR:
@MaxXSoft MaxXSoft mentioned this issue Jul 31, 2023
Closed
MaxXSoft added a commit to MaxXSoft/dragonwell11 that referenced this issue Jul 31, 2023
@MaxXSoft
[Backport] 8173196: [REDO] C2 does not optimize redundant memory oper…
ad76b56 
…ations with G1

Summary: JDK-8087341 was backed out due to JDK-8172850. We should re-implement the enhancement.

Test Plan: ci jtreg

Reviewed-by: kuaiwei, JoshuaZhuwj

Issue: dragonwell-project#646

CR: dragonwell-project#647
@MaxXSoft
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Closed due to this patch was backed out by JDK-8229219.

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@kuaiwei @MaxXSoft