8288992: AArch64: CMN should be handled the same way as CMP

[TobiHartmann]

Backport of JDK-8288992. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

• Change must not contain extraneous whitespace
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Issue

• JDK-8288992: AArch64: CMN should be handled the same way as CMP

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk19u pull/36/head:pull/36
$ git checkout pull/36

Update a local copy of the PR:
$ git checkout pull/36
$ git pull https://git.openjdk.org/jdk19u pull/36/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 36

View PR using the GUI difftool:
$ git pr show -t 36

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Download this PR as a diff file:
https://git.openjdk.org/jdk19u/pull/36.diff

[bridgekeeper]

👋 Welcome back thartmann! 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]

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

[openjdk]

@TobiHartmann 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:

8288992: AArch64: CMN should be handled the same way as CMP

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

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[mlbridge]

Webrevs

• 00: Full (551d9047)

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit d0b021b.
Since your change was applied there have been 12 commits pushed to the master branch:

• e6bd2c9: 8290246: test fails "assert(init != __null) failed: initialization not found"
• 27158f2: 8290451: Incorrect result when switching to C2 OSR compilation from C1
• 83cb884: 8290711: assert(false) failed: infinite loop in PhaseIterGVN::optimize
• 63c53da: 8290705: StringConcat::validate_mem_flow asserts with "unexpected user: StoreI"
• 6b9fe5d: 8293044: C1: Missing access check on non-accessible class
• e8a134a: 8291775: C2: assert(r != __null && r->is_Region()) failed: this phi must have a region
• a8ca05c: 8291599: Assertion in PhaseIdealLoop::skeleton_predicate_has_opaque after JDK-8289127
• 058507f: 8290781: Segfault at PhaseIdealLoop::clone_loop_handle_data_uses
• 83d0573: 8292756: java.lang.AssertionError at at jdk.compiler/com.sun.tools.javac.code.Scope$ScopeImpl.leave(Scope.java:386)
• 88490ec: 8293348: A false cyclic inheritance error reported
• ... and 2 more: https://git.openjdk.org/jdk19u/compare/903c21b0268f7c5e3bfd3ae69328b864fb3cc65c...master

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit d0b021b.

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