8324125: Improve class initialization barrier in TemplateTable::_new for RISC-V

[zifeihan]

Hi, This RISC-V Port implementation for #17006,

Testing:

• Run tier1-3 tests on qemu 8.1.0 with UseRVV (fastdebug)
• Run tier1-3 tests with SiFive unmatched (release)

---

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

Issue

• JDK-8324125: Improve class initialization barrier in TemplateTable::_new for RISC-V (Enhancement - P4)

Reviewers

• Fei Yang (@RealFYang - Reviewer) ⚠️ Review applies to ae736225
• Robbin Ehn (@robehn - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/17548/head:pull/17548
$ git checkout pull/17548

Update a local copy of the PR:
$ git checkout pull/17548
$ git pull https://git.openjdk.org/jdk.git pull/17548/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 17548

View PR using the GUI difftool:
$ git pr show -t 17548

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/17548.diff

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[bridgekeeper]

👋 Welcome back gcao! 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.

[openjdk]

@zifeihan The following label will be automatically applied to this pull request:

• hotspot-compiler

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[mlbridge]

Webrevs

• 01: Full - Incremental (0935a0b7)
• 00: Full (ae736225)

[openjdk]

@zifeihan 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:

8324125: Improve class initialization barrier in TemplateTable::_new for RISC-V

Reviewed-by: fyang, rehn

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 79 new commits pushed to the master branch:

• b6d364a: 8324865: windows-x64-slowdebug still does not build after JDK-8324840
• 64c3642: 8242564: javadoc crashes:: class cast exception com.sun.tools.javac.code.Symtab$6
• e999dfc: 8323503: x86: Shorter movptr(reg, imm) for 32-bit unsigned immediates
• 84deeb6: 8324667: fold Parse::seems_stable_comparison()
• fb07bbe: 8324717: Remove HotSpotJVMCICompilerFactory
• d1e6763: 8324733: [macos14] Problem list tests which fail due to macOS bug described in JDK-8322653
• c1281e6: 8324678: Replace NULL with nullptr in HotSpot gtests
• a6bdee4: 8324681: Replace NULL with nullptr in HotSpot jtreg test native code files
• 951b5f8: 8324723: GHA: Upgrade some actions to avoid deprecated Node 16
• fe0eec7: 8324840: windows-x64-slowdebug does not build anymore after JDK-8317572
• ... and 69 more: https://git.openjdk.org/jdk/compare/5a74c2a67ebcb47e51732f03c4be694bdf920469...master

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, @robehn) 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).

[robehn]

Thanks!

[zifeihan]

/integrate

[openjdk]

@zifeihan
Your change (at version 0935a0b) is now ready to be sponsored by a Committer.

[RealFYang]

/sponsor

[openjdk]

Going to push as commit a1d65eb.
Since your change was applied there have been 79 commits pushed to the master branch:

• b6d364a: 8324865: windows-x64-slowdebug still does not build after JDK-8324840
• 64c3642: 8242564: javadoc crashes:: class cast exception com.sun.tools.javac.code.Symtab$6
• e999dfc: 8323503: x86: Shorter movptr(reg, imm) for 32-bit unsigned immediates
• 84deeb6: 8324667: fold Parse::seems_stable_comparison()
• fb07bbe: 8324717: Remove HotSpotJVMCICompilerFactory
• d1e6763: 8324733: [macos14] Problem list tests which fail due to macOS bug described in JDK-8322653
• c1281e6: 8324678: Replace NULL with nullptr in HotSpot gtests
• a6bdee4: 8324681: Replace NULL with nullptr in HotSpot jtreg test native code files
• 951b5f8: 8324723: GHA: Upgrade some actions to avoid deprecated Node 16
• fe0eec7: 8324840: windows-x64-slowdebug does not build anymore after JDK-8317572
• ... and 69 more: https://git.openjdk.org/jdk/compare/5a74c2a67ebcb47e51732f03c4be694bdf920469...master

Your commit was automatically rebased without conflicts.

[openjdk]

@RealFYang @zifeihan Pushed as commit a1d65eb.

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