8329545: [s390x] Fix garbage value being passed in Argument Register

[sid8606]

Fix sign extension on 4 byte load from argument stack slot to GPR.

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Progress

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Issue

• JDK-8329545: [s390x] Fix garbage value being passed in Argument Register (Bug - P2)

Reviewers

• Amit Kumar (@offamitkumar - Committer)
• Martin Doerr (@TheRealMDoerr - Reviewer)

Reviewing

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[bridgekeeper]

👋 Welcome back sjayagond! 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]

@sid8606 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:

8329545: [s390x] Fix garbage value being passed in Argument Register

Reviewed-by: amitkumar, mdoerr

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 111 new commits pushed to the master branch:

• 51ed69a: 8327621: Check return value of uname in os::get_host_name
• bea9acc: 8328482: Convert and Open source few manual applet test to main based
• d037a59: 8311248: Refactor CodeCache::initialize_heaps to simplify adding new CodeCache segments
• bab7019: 8329431: Improve speed of writing CDS heap objects
• 47df145: 8310513: [s390x] Intrinsify recursive ObjectMonitor locking
• b81b86d: 8329729: java/util/Properties/StoreReproducibilityTest.java times out
• 6276789: 8328785: IOException: Symbol not found: C_GetInterface for PKCS11 interface prior to V3.0
• 316361b: 8328318: Wrong description in X509Extension.getExtensionValue method javadoc
• b80ba08: 8329967: Build failure after JDK-8329628
• 4bba445: 8325659: Normalize Random usage by incubator vector tests
• ... and 101 more: https://git.openjdk.org/jdk/compare/866e7b6b7745928e559da8cdf622bf6a097ec995...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.

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[openjdk]

@sid8606 The following label will be automatically applied to this pull request:

• hotspot-compiler

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[mlbridge]

Webrevs

• 01: Full - Incremental (e4e9729d)
• 00: Full (8708acbb)

[offamitkumar]

Please update copyright headers as well.

[offamitkumar]

I have done {tier1} X {fastdebug, slowdebug, release} test and do not see any new failure appearing.

Thanks Sid for fixing it.

[sid8606]

@TheRealMDoerr Could you please review this patch?

[TheRealMDoerr]

LGTM.

[sid8606]

Thanks for the reviews. I integrate now.
/integrate

[openjdk]

@sid8606
Your change (at version e4e9729) is now ready to be sponsored by a Committer.

[offamitkumar]

/sponsor

[openjdk]

Going to push as commit e0fd6c4.
Since your change was applied there have been 111 commits pushed to the master branch:

• 51ed69a: 8327621: Check return value of uname in os::get_host_name
• bea9acc: 8328482: Convert and Open source few manual applet test to main based
• d037a59: 8311248: Refactor CodeCache::initialize_heaps to simplify adding new CodeCache segments
• bab7019: 8329431: Improve speed of writing CDS heap objects
• 47df145: 8310513: [s390x] Intrinsify recursive ObjectMonitor locking
• b81b86d: 8329729: java/util/Properties/StoreReproducibilityTest.java times out
• 6276789: 8328785: IOException: Symbol not found: C_GetInterface for PKCS11 interface prior to V3.0
• 316361b: 8328318: Wrong description in X509Extension.getExtensionValue method javadoc
• b80ba08: 8329967: Build failure after JDK-8329628
• 4bba445: 8325659: Normalize Random usage by incubator vector tests
• ... and 101 more: https://git.openjdk.org/jdk/compare/866e7b6b7745928e559da8cdf622bf6a097ec995...master

Your commit was automatically rebased without conflicts.

[openjdk]

@offamitkumar @sid8606 Pushed as commit e0fd6c4.

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