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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 18
Affects Version/s: 10, 17, 18
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b24
CPU:

aarch64
OS:

linux

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8294174	17.0.6-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8280151	17.0.3	Paul Hohensee	P4	Resolved	Fixed	b01
JDK-8282950	15.0.7	Paul Hohensee	P4	Resolved	Fixed	b03

Implement _onSpinWait() intrinsic for AArch64

The intrinsic was not implemented. It makes sense to implement it using `yield` instuction.

backported by

JDK-8280151 Implement _onSpinWait() intrinsic for AArch64

Resolved

JDK-8282950 Implement _onSpinWait() intrinsic for AArch64

Resolved

JDK-8294174 Implement _onSpinWait() intrinsic for AArch64

Resolved

csr for

JDK-8274564 Add diagnostic VM options to control Thread.onSpinWait intrinsic code for AArch64

Closed

relates to

JDK-8186671 Use `yield` instruction in SpinPause on linux-aarch64

Closed

JDK-8277137 Set OnSpinWaitInst/OnSpinWaitInstCount defaults to "isb"/1 for Arm Neoverse N1

Resolved

JDK-8278241 Implement JVM SpinPause on linux-aarch64

Resolved

JDK-8147832 JEP 285: Spin-Wait Hints

Closed

JDK-8258604 Use 'isb' instruction in SpinPause on linux-aarch64

Closed

links to

Commit openjdk/jdk15u-dev/e972e77a

Commit openjdk/jdk17u-dev/c7329f33

Commit openjdk/jdk/6954b98f

Review openjdk/jdk15u-dev/181

Review openjdk/jdk17u-dev/88

Review openjdk/jdk/5562

(4 relates to, 6 links to)

There are no Sub-Tasks for this issue.

Assignee:: Paul Hohensee

Reporter:: Dmitry Chuyko

Votes:: 0 Vote for this issue

Watchers:: 10 Start watching this issue

Created:: 2017-08-23 08:39

Updated:: 2022-09-21 22:13

Resolved:: 2021-11-11 14:25

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