8301852: RISC-V: Optimize class atomic when order is memory_order_relaxed

[DingliZhang]

Hi, please review this backport to riscv-port-jdk17u.
Backport of JDK-8301852. Applies cleanly.

Testing:

• Tier1-3 passed without new failure on unmacthed (release).

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8301852: RISC-V: Optimize class atomic when order is memory_order_relaxed

Reviewers

• Fei Yang (@RealFYang - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/riscv-port-jdk17u.git pull/60/head:pull/60
$ git checkout pull/60

Update a local copy of the PR:
$ git checkout pull/60
$ git pull https://git.openjdk.org/riscv-port-jdk17u.git pull/60/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 60

View PR using the GUI difftool:
$ git pr show -t 60

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/riscv-port-jdk17u/pull/60.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

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

[openjdk]

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

[openjdk]

@DingliZhang This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8301852: RISC-V: Optimize class atomic when order is memory_order_relaxed

Reviewed-by: fyang

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 30 new commits pushed to the riscv-port branch:

• 42f752d: 8308277: RISC-V: Improve vectorization of Match.sqrt() on floats
• 3e56225: Merge remote-tracking branch 'origin/master' into riscv-port
• 464a32b: 8227060: Optimize safepoint cleanup subtask order
• 6033871: 8306640: Open source several AWT TextArea related tests
• 05b2ff4: 8308554: [17u] Fix commit of 8286191. vm.musl was not removed from ExternalEditorTest
• 9c0afc5: 8306752: Open source several container and component AWT tests
• 4caa421: 8306755: Open source few Swing JComponent and AbstractButton tests
• b5d3772: 8306683: Open source several clipboard and color AWT tests
• 09e6880: 8306652: Open source AWT MenuItem related tests
• 18ec008: 8306409: Open source AWT KeyBoardFocusManger, LightWeightComponent related tests
• ... and 20 more: https://git.openjdk.org/riscv-port-jdk17u/compare/7743fb84e1c4f2a1d1b9918fe28680b71d5d1ef4...riscv-port

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@RealFYang) but any other Committer may sponsor as well.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[mlbridge]

Webrevs

• 00: Full (979e5219)

[DingliZhang]

Thanks for the review!
/integrate

[openjdk]

@DingliZhang
Your change (at version 979e521) is now ready to be sponsored by a Committer.

[RealFYang]

/sponsor

[openjdk]

Going to push as commit bac6ef7.
Since your change was applied there have been 30 commits pushed to the riscv-port branch:

• 42f752d: 8308277: RISC-V: Improve vectorization of Match.sqrt() on floats
• 3e56225: Merge remote-tracking branch 'origin/master' into riscv-port
• 464a32b: 8227060: Optimize safepoint cleanup subtask order
• 6033871: 8306640: Open source several AWT TextArea related tests
• 05b2ff4: 8308554: [17u] Fix commit of 8286191. vm.musl was not removed from ExternalEditorTest
• 9c0afc5: 8306752: Open source several container and component AWT tests
• 4caa421: 8306755: Open source few Swing JComponent and AbstractButton tests
• b5d3772: 8306683: Open source several clipboard and color AWT tests
• 09e6880: 8306652: Open source AWT MenuItem related tests
• 18ec008: 8306409: Open source AWT KeyBoardFocusManger, LightWeightComponent related tests
• ... and 20 more: https://git.openjdk.org/riscv-port-jdk17u/compare/7743fb84e1c4f2a1d1b9918fe28680b71d5d1ef4...riscv-port

Your commit was automatically rebased without conflicts.

[openjdk]

@RealFYang @DingliZhang Pushed as commit bac6ef7.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.