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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 18
Affects Version/s: 17, 18
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b22

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8306982	17.0.9-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8306856	17.0.8	Aleksey Shipilev	P4	Resolved	Fixed	b01

These Unsafe.storeStoreFence currently delegates to stronger Unsafe.storeFence. We might want to teach C1/C2 to map this directly to matchers that already handle Op_MemBarStoreStore.

backported by

JDK-8306856 Intrinsify Unsafe.storeStoreFence

Resolved

JDK-8306982 Intrinsify Unsafe.storeStoreFence

Resolved

relates to

JDK-8276096 Simplify Unsafe.{load|store}Fence fallbacks by delegating to fullFence

Resolved

links to

Commit openjdk/jdk17u-dev/e6e6bedf

Commit openjdk/jdk/b7a06be9

Review openjdk/jdk17u-dev/1290

Review openjdk/jdk/6136

(2 links to)

Assignee:: Aleksey Shipilev

Reporter:: Aleksey Shipilev

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2020-09-09 23:02

Updated:: 2024-12-19 03:41

Resolved:: 2021-11-02 03:27

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