8261657: [PPC64] Cleanup StoreCM nodes after CMS removal

[TheRealMDoerr]

We only need one StoreCM node after CMS removal. CMS StoreStore barriers were already removed at other places.

---

Progress

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

Issue

• JDK-8261657: [PPC64] Cleanup StoreCM nodes after CMS removal

Reviewers

• Lutz Schmidt (@RealLucy - Reviewer)
• Goetz Lindenmaier (@GoeLin - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/2554/head:pull/2554
$ git checkout pull/2554

[bridgekeeper]

👋 Welcome back mdoerr! 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]

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

• hotspot-compiler

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[mlbridge]

Webrevs

• 00: Full (4aa2a96)

[RealLucy]

Changes look good to me.
Thanks for cleaning up!

[openjdk]

@TheRealMDoerr 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:

8261657: [PPC64] Cleanup StoreCM nodes after CMS removal

Reviewed-by: lucy, goetz

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 50 new commits pushed to the master branch:

• f639df4: 8261401: Add sanity check for UseSHM large pages similar to the one used with hugetlb large pages
• 2e18b52: 8261752: Multiple GC test are missing memory requirements
• c7885eb: 8261758: [TESTBUG] gc/g1/TestGCLogMessages.java fails if ergonomics detect too small InitialHeapSize
• 05d5955: 8261522: [PPC64] AES intrinsics write beyond the destination array
• 03b586b: 8261750: Remove internal class sun.net.www.MimeLauncher
• 8418285: 8261235: C1 compilation fails with assert(res->vreg_number() == index) failed: conversion check
• a930870: 8261309: Remove remaining StoreLoad barrier with UseCondCardMark for Serial/Parallel GC
• b955f85: 8261075: Create stubRoutines.inline.hpp with SafeFetch implementation
• d195033: 8261842: Shenandoah: cleanup ShenandoahHeapRegionSet
• fc1d032: 8261125: Move VM_Operation to vmOperation.hpp
• ... and 40 more: https://git.openjdk.java.net/jdk/compare/6475d4774ffdd2b505a96329d819cca2b4bbece5...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.

[TheRealMDoerr]

Thanks for the review!
I guess this can be considered as trivial because we basically remove dead code.

[GoeLin]

LGTM

[TheRealMDoerr]

Thanks for the review!
/integrate

[openjdk]

@TheRealMDoerr Since your change was applied there have been 50 commits pushed to the master branch:

• f639df4: 8261401: Add sanity check for UseSHM large pages similar to the one used with hugetlb large pages
• 2e18b52: 8261752: Multiple GC test are missing memory requirements
• c7885eb: 8261758: [TESTBUG] gc/g1/TestGCLogMessages.java fails if ergonomics detect too small InitialHeapSize
• 05d5955: 8261522: [PPC64] AES intrinsics write beyond the destination array
• 03b586b: 8261750: Remove internal class sun.net.www.MimeLauncher
• 8418285: 8261235: C1 compilation fails with assert(res->vreg_number() == index) failed: conversion check
• a930870: 8261309: Remove remaining StoreLoad barrier with UseCondCardMark for Serial/Parallel GC
• b955f85: 8261075: Create stubRoutines.inline.hpp with SafeFetch implementation
• d195033: 8261842: Shenandoah: cleanup ShenandoahHeapRegionSet
• fc1d032: 8261125: Move VM_Operation to vmOperation.hpp
• ... and 40 more: https://git.openjdk.java.net/jdk/compare/6475d4774ffdd2b505a96329d819cca2b4bbece5...master

Your commit was automatically rebased without conflicts.

Pushed as commit 9ba2b71.

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