8359126: [AIX] new test TestImplicitNullChecks.java fails

[TheRealMDoerr]

Switch off the IR rule which expects no explicit null check for a load operation for AIX. I had to enhance the IR code.

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Issue

• JDK-8359126: [AIX] new test TestImplicitNullChecks.java fails (Bug - P4)

Reviewers

• Roberto Castañeda Lozano (@robcasloz - Reviewer)
• David Briemann (@dbriemann - Author)

Reviewing

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[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 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:

8359126: [AIX] new test TestImplicitNullChecks.java fails

Reviewed-by: rcastanedalo, dbriemann

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 5 new commits pushed to the master branch:

• 9586817: 8359170: Add 2 TLS and 2 CS Sectigo roots
• 38b877e: 8358294: Remove unnecessary GenAlignment
• 8f487d2: 8358577: Test serviceability/jvmti/thread/GetCurrentContendedMonitor/contmon01/contmon01.java failed: unexpexcted monitor object
• ... and 2 more: https://git.openjdk.org/jdk/compare/0582bd290d5a8b6344ae7ada36492cc2f33df050...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]

@robcasloz: Sorry that I had forgotten to check AIX.

[openjdk]

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

• hotspot-compiler

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[mlbridge]

Webrevs

• 00: Full (40a903d7)

[TheRealMDoerr]

Thanks for the review!

[TheRealMDoerr]

Thanks!
/integrate

[openjdk]

Going to push as commit abc76c6.
Since your change was applied there have been 5 commits pushed to the master branch:

• 9586817: 8359170: Add 2 TLS and 2 CS Sectigo roots
• 38b877e: 8358294: Remove unnecessary GenAlignment
• 8f487d2: 8358577: Test serviceability/jvmti/thread/GetCurrentContendedMonitor/contmon01/contmon01.java failed: unexpexcted monitor object
• ... and 2 more: https://git.openjdk.org/jdk/compare/0582bd290d5a8b6344ae7ada36492cc2f33df050...master

Your commit was automatically rebased without conflicts.

[openjdk]

@TheRealMDoerr Pushed as commit abc76c6.

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