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Merge valhalla:master #275



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@dansmithcode dansmithcode commented Nov 21, 2020

Merge from jdk tag 'jdk-16+25'.


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


Linux aarch64 Linux arm Linux ppc64le Linux s390x Linux x64 Linux x86 Windows x64 macOS x64
Build ✔️ (1/1 passed) ✔️ (1/1 passed) ✔️ (1/1 passed) ✔️ (1/1 passed) ✔️ (6/6 passed) ✔️ (2/2 passed) ✔️ (2/2 passed) ✔️ (2/2 passed)
Test (tier1) ✔️ (9/9 passed) ✔️ (9/9 passed) ✔️ (9/9 passed) ✔️ (9/9 passed)


$ git fetch pull/275/head:pull/275
$ git checkout pull/275

shipilev and others added 30 commits Nov 11, 2020
8248188: Add IntrinsicCandidate and API for Base64 decoding, add Power64LE intrinsic implementation.

This patch set encompasses the following commits:

Adds a new intrinsic candidate to the java.lang.Base64 class - decodeBlock(), and provides a flexible API for the intrinsic. The API is similar to the existing encodeBlock intrinsic.

Adds the code in HotSpot to check and martial the new intrinsic's arguments to the arch-specific intrinsic implementation.

Adds a Power64LE-specific implementation of the decodeBlock intrinsic.

Adds a JMH microbenchmark for both Base64 encoding and encoding.

Enhances the JTReg hotspot intrinsic "" regression test to more fully test both decoding and encoding.

Reviewed-by: rriggs, mdoerr, kvn
…ces functionality

Reviewed-by: ayang, iignatyev, iklam
…of trip-counted integer loops

Reviewed-by: chagedorn, thartmann
Reviewed-by: thartmann, chagedorn
Reviewed-by: thartmann, chagedorn
…n Shenandoah root verifier

Reviewed-by: rkennke, shade
… that are in a named module

Reviewed-by: alanb, chegar
Reviewed-by: ccheung, stuefe, iklam
…olled loop

Reviewed-by: chagedorn, thartmann
Reviewed-by: redestad, coleenp
magicus and others added 15 commits Nov 17, 2020
Reviewed-by: ayang, stefank
Reviewed-by: kvn, dcubed, vlivanov, erikj
…turned on

Co-authored-by: Huang Wang <>
Reviewed-by: vlivanov
…rchive regions

Change the handling of Open Archive areas, instead of assuming that everything in there is live always, a root containing references to all live root objects is provided. Adapt G1 to handle Open Archive regions as any other old region apart from never compacting or evacuating them.

Co-authored-by: Ioi Lam <>
Reviewed-by: kbarrett, sjohanss, redestad
… Path returns '.'

Reviewed-by: dfuchs, alanb
…e with Shenandoah

Reviewed-by: thartmann, rkennke
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@bridgekeeper bridgekeeper bot commented Nov 21, 2020

👋 Welcome back dlsmith! A progress list of the required criteria for merging this PR into jep390 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

@dansmithcode dansmithcode changed the title Merge Merge valhalla:master Nov 21, 2020
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@openjdk openjdk bot commented Nov 21, 2020

@dansmithcode This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file for details.

After integration, the commit message for the final commit will be:


From jdk tag 'jdk-16+25'

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 jep390 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.

➡️ To integrate this PR with the above commit message to the jep390 branch, type /integrate in a new comment.

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@dansmithcode dansmithcode commented Nov 21, 2020

/summary Merge jdk tag 'jdk-16+25'

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@openjdk openjdk bot commented Nov 21, 2020

@dansmithcode Setting summary to Merge jdk tag 'jdk-16+25'

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@dansmithcode dansmithcode commented Nov 21, 2020

/summary From jdk tag 'jdk-16+25'

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@openjdk openjdk bot commented Nov 21, 2020

@dansmithcode Updating existing summary to From jdk tag 'jdk-16+25'

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@dansmithcode dansmithcode commented Nov 21, 2020


@openjdk openjdk bot closed this Nov 21, 2020
@openjdk openjdk bot added integrated and removed ready rfr labels Nov 21, 2020
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@openjdk openjdk bot commented Nov 21, 2020

@dansmithcode Pushed as commit db8e604.

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

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