8339939: [JVMCI] Don't compress abstract and interface Klasses

[mur47x111]

#19157 disallows storing abstract and interface Klasses in class metaspace. JVMCI has to respect this and avoids compressing abstract and interface Klasses

---

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-8339939: [JVMCI] Don't compress abstract and interface Klasses (Bug - P4)

Reviewers

• Doug Simon (@dougxc - Reviewer)

Contributors

• Doug Simon <dnsimon@openjdk.org>

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/20949/head:pull/20949
$ git checkout pull/20949

Update a local copy of the PR:
$ git checkout pull/20949
$ git pull https://git.openjdk.org/jdk.git pull/20949/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 20949

View PR using the GUI difftool:
$ git pr show -t 20949

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/20949.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back yzheng! 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]

@mur47x111 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:

8339939: [JVMCI] Don't compress abstract and interface Klasses

Co-authored-by: Doug Simon <dnsimon@openjdk.org>
Reviewed-by: dnsimon

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 167 new commits pushed to the master branch:

• a5ad974: 8343056: C2: Micro-optimize Node lists grow
• ec06187: 8034066: Incorrect alignment in the "Code" section for "-c -XDdetails" options
• eb3669a: 8340796: Use a consistent order when loading cxq and EntryList
• 0e3fc93: 8342083: Make a few fields in FileSystemPreferences final
• 762a573: 8335880: More troubleshooting tips around windows space in path
• 40e07a7: 8342865: Use type parameter for Class::getPrimitiveClass
• 9e451aa: 8343102: Remove --compress from jlink command lines from jpackage tests
• 873f8a6: 8305406: Add @SPEC tags in java.base/java.* (part 2)
• 1476f6c: 8343030: RISC-V: Small assembler cleanups
• f1a9a8d: 8342902: Deduplication of acquire calls in BindingSpecializer causes escape-analyisis failure
• ... and 157 more: https://git.openjdk.org/jdk/compare/ebc17c7c8d6febd5a887309d1b7a466bcd2cc0a9...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.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

@mur47x111 The following labels will be automatically applied to this pull request:

• graal
• hotspot-compiler

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing lists. If you would like to change these labels, use the /label pull request command.

[mur47x111]

/contributor add @dougxc

[openjdk]

@mur47x111
Contributor Doug Simon <dnsimon@openjdk.org> successfully added.

[mlbridge]

Webrevs

• 02: Full - Incremental (e44d98a8)
• 01: Full - Incremental (92001a87)
• 00: Full (712272bb)

[bridgekeeper]

@mur47x111 This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[dougxc]

Still looks good.

[mur47x111]

Thanks!

/integrate

[openjdk]

Going to push as commit d5fb6b4.
Since your change was applied there have been 167 commits pushed to the master branch:

• a5ad974: 8343056: C2: Micro-optimize Node lists grow
• ec06187: 8034066: Incorrect alignment in the "Code" section for "-c -XDdetails" options
• eb3669a: 8340796: Use a consistent order when loading cxq and EntryList
• 0e3fc93: 8342083: Make a few fields in FileSystemPreferences final
• 762a573: 8335880: More troubleshooting tips around windows space in path
• 40e07a7: 8342865: Use type parameter for Class::getPrimitiveClass
• 9e451aa: 8343102: Remove --compress from jlink command lines from jpackage tests
• 873f8a6: 8305406: Add @SPEC tags in java.base/java.* (part 2)
• 1476f6c: 8343030: RISC-V: Small assembler cleanups
• f1a9a8d: 8342902: Deduplication of acquire calls in BindingSpecializer causes escape-analyisis failure
• ... and 157 more: https://git.openjdk.org/jdk/compare/ebc17c7c8d6febd5a887309d1b7a466bcd2cc0a9...master

Your commit was automatically rebased without conflicts.

[openjdk]

@mur47x111 Pushed as commit d5fb6b4.

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