8249781: AArch64: AOT compiled code crashes if C2 allocates r27

[dchuyko]

This is a post-fix for JDK-8242449.
Original patch has been adjusted to use Universe::narrow_ptrs_base() instead of CompressedOops::ptrs_base() (no JDK-8223136).

This PR is a combination of JDK-8233743 + JDK-8242449 + JDK-8249781.

Testing: tier1, tier2 (aarch64).

---

Progress

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

Issue

• JDK-8249781: AArch64: AOT compiled code crashes if C2 allocates r27

Reviewers

• Paul Hohensee (@phohensee - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/138/head:pull/138
$ git checkout pull/138

Update a local copy of the PR:
$ git checkout pull/138
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/138/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 138

View PR using the GUI difftool:
$ git pr show -t 138

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/138.diff

[bridgekeeper]

👋 Welcome back dchuyko! 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.

[dchuyko]

PR for the main issue #137

[openjdk]

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

[mlbridge]

Webrevs

• 00: Full (fb2af8c9)

[bridgekeeper]

@dchuyko This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[phohensee]

Lgtm.

[openjdk]

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

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

8249781: AArch64: AOT compiled code crashes if C2 allocates r27

Reviewed-by: phh

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 408 new commits pushed to the master branch:

• 25c33bc: 8239422: [TESTBUG] compiler/c1/TestPrintIRDuringConstruction.java failed when C1 is disabled
• 00255bd: 8263068: Rename safefetch.hpp to safefetch.inline.hpp
• 1297c26: 8275051: Shenandoah: Correct ordering of requested gc cause and gc request flag
• 4b6e487: 8197800: Test java/awt/Focus/NonFocusableWindowTest/NoEventsTest.java fails on Windows
• 5a2b2ac: 8198619: java/awt/Focus/FocusTraversalPolicy/ButtonGroupLayoutTraversal/ButtonGroupLayoutTraversalTest.java fails on mac
• b449303: 8171998: javax/swing/JMenu/4692443/bug4692443.java fails on Windows
• cdc48c2: 8256201: java/awt/FullScreen/FullscreenWindowProps/FullscreenWindowProps.java failed
• 93e98ad: 8266579: Update test/jdk/java/lang/ProcessHandle/PermissionTest.java & test/jdk/java/sql/testng/util/TestPolicy.java
• 1772cf1: 8272708: [Test]: Cleanup: test/jdk/security/infra/java/security/cert/CertPathValidator/certification/BuypassCA.java no longer needs ocspEnabled
• 0f9d6bf: 8247510: typo in IllegalHandshakeMessage
• ... and 398 more: https://git.openjdk.java.net/jdk11u-dev/compare/2252165499c4246de281f56609a3d4910605f7c9...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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➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[bridgekeeper]

@dchuyko This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[bridgekeeper]

@dchuyko This pull request has been inactive for more than 8 weeks and will now be automatically closed. If you would like to continue working on this pull request in the future, feel free to reopen it! This can be done using the /open pull request command.

[theRealAph]

.

[dchuyko]

Leading issue JDK-8242449 got jdk11u-fix-no so not proceeding with this one.