8269614: [s390] Interpreter checks wrong bit for slow path instance allocation

[TheRealMDoerr]

This is a small fix for a bug in the template interpreter on s390. Klass::_lh_instance_slow_path_bit is the bit to check, not the bit position. (See other platforms.)

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Progress

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Issue

• JDK-8269614: [s390] Interpreter checks wrong bit for slow path instance allocation

Reviewers

• Aleksey Shipilev (@shipilev - Reviewer)
• Richard Reingruber (@reinrich - Reviewer)

Reviewing

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Update a local copy of the PR:
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[openjdk]

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[mlbridge]

Webrevs

• 00: Full (8b77101d)

[shipilev]

That looks fairly simple: _lh_instance_slow_path_bit is already the mask.

[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:

8269614: [s390] Interpreter checks wrong bit for slow path instance allocation

Reviewed-by: shade, rrich

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 7 new commits pushed to the master branch:

• ca283c3: 8265907: JVM crashes when matching VectorMaskCmp Node
• c3c9189: 8269141: Switch statement containing pattern case label element gets in the loop during execution
• 6b64a79: 8268350: Remove assert that ensures thread identifier remains the same
• 90eb118: 8269528: VectorAPI Long512VectorTest fails on X86 KNL target
• a661686: 8269065: [REDO] vmTestbase/vm/mlvm/anonloader/stress/oome/metaspace/Test.java failed with OutOfMemoryError
• 0d745ae: 8269034: AccessControlException for SunPKCS11 daemon threads
• d042029: 8269529: javax/swing/reliability/HangDuringStaticInitialization.java fails in Windows debug build

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
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.

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[reinrich]

Wrong since 2013/05/23. Looks good now.

Cheers, Richard.

[TheRealMDoerr]

Thanks for the reviews!
/integrate

[openjdk]

Going to push as commit be0ac92.
Since your change was applied there have been 9 commits pushed to the master branch:

• 4b4bef4: 8269594: assert(_handle_mark_nesting > 1) failed: memory leak: allocating handle outside HandleMark
• 4ee400a: 8268320: Better error recovery for broken patterns in switch
• ca283c3: 8265907: JVM crashes when matching VectorMaskCmp Node
• c3c9189: 8269141: Switch statement containing pattern case label element gets in the loop during execution
• 6b64a79: 8268350: Remove assert that ensures thread identifier remains the same
• 90eb118: 8269528: VectorAPI Long512VectorTest fails on X86 KNL target
• a661686: 8269065: [REDO] vmTestbase/vm/mlvm/anonloader/stress/oome/metaspace/Test.java failed with OutOfMemoryError
• 0d745ae: 8269034: AccessControlException for SunPKCS11 daemon threads
• d042029: 8269529: javax/swing/reliability/HangDuringStaticInitialization.java fails in Windows debug build

Your commit was automatically rebased without conflicts.

[openjdk]

@TheRealMDoerr Pushed as commit be0ac92.

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