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8300148: Consider using a StoreStore barrier instead of Release barrier on ctor exit #530

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@shipilev shipilev commented Apr 24, 2024

WIP.

The backport is not clean for two reasons:

  1. The hunk in macro.cpp does not apply to JDK 21, because it was added later with JDK-8287061
  2. The @Arguments style in IR test does not work in JDK 21, because the API was added later with JDK-8324641

Additional testing:

  • New benchmark improves
  • New IR test passes
  • Linux AArch64 server fastdebug, all
  • Linux x86_64 server fastdebug, all

Progress

  • Change must be properly reviewed (1 review required, with at least 1 Reviewer)
  • Change must not contain extraneous whitespace
  • Commit message must refer to an issue
  • JDK-8300148 needs maintainer approval

Issue

  • JDK-8300148: Consider using a StoreStore barrier instead of Release barrier on ctor exit (Enhancement - P3)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/530/head:pull/530
$ git checkout pull/530

Update a local copy of the PR:
$ git checkout pull/530
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/530/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 530

View PR using the GUI difftool:
$ git pr show -t 530

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/530.diff

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bridgekeeper bot commented Apr 24, 2024

👋 Welcome back shade! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

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openjdk bot commented Apr 24, 2024

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

@openjdk openjdk bot changed the title Backport 1d06170758bd76a0ea32e5bb7d4a017e829ae710 8300148: Consider using a StoreStore barrier instead of Release barrier on ctor exit Apr 24, 2024
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openjdk bot commented Apr 24, 2024

This backport pull request has now been updated with issue from the original commit.

@openjdk openjdk bot added the backport label Apr 24, 2024
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