8320209: VectorMaskGen clobbers rflags on x86_64

[sviswa7]

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8320209 needs maintainer approval

Issue

• JDK-8320209: VectorMaskGen clobbers rflags on x86_64 (Bug - P3 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u.git pull/375/head:pull/375
$ git checkout pull/375

Update a local copy of the PR:
$ git checkout pull/375
$ git pull https://git.openjdk.org/jdk21u.git pull/375/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 375

View PR using the GUI difftool:
$ git pr show -t 375

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u/pull/375.diff

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Link to Webrev Comment

[bridgekeeper]

👋 Welcome back sviswanathan! 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]

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

[openjdk]

⚠️ @sviswa7 This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (acaa93f8)

[openjdk]

@sviswa7 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:

8320209: VectorMaskGen clobbers rflags on x86_64

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 18 new commits pushed to the master branch:

• 1603958: 8316017: Refactor timeout handler in PassFailJFrame
• e79ebc7: 8315545: C1: x86 cmove can use short branches
• 44bb402: 8315554: C1: Replace "cmp reg, 0" with "test reg, reg" on x86
• 7588fce: 8316746: Top of lock-stack does not match the unlocked object
• 1d128dc: 8316025: Use testUI() method of PassFailJFrame.Builder in FileChooserSymLinkTest.java
• 3c124e3: 8294156: Allow PassFailJFrame.Builder to create test UI
• 4558e49: 8317834: java/lang/Thread/IsAlive.java timed out
• 3fcc7ea: 8320053: GHA: Cross-compile gtest code
• 8de7b61: 8316003: Update FileChooserSymLinkTest.java to HTML instructions
• 6453e64: 8294158: HTML formatting for PassFailJFrame instructions
• ... and 8 more: https://git.openjdk.org/jdk21u/compare/245885bd96f3ddc417651e3d5fa64e2bce1fdaae...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.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change.

➡️ 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).

[sviswa7]

/integrate

[openjdk]

@sviswa7
Your change (at version acaa93f) is now ready to be sponsored by a Committer.

[shipilev]

/sponsor

[openjdk]

Going to push as commit 21a003a.
Since your change was applied there have been 24 commits pushed to the master branch:

• 689b90d: 8318957: enhance agentlib:jdwp help output by info about allow option
• cf187a1: 8318955: Add ReleaseIntArrayElements in Java_sun_awt_X11_XlibWrapper_SetBitmapShape XlbWrapper.c to early return
• 73d59d0: 8318591: avoid leaks in loadlib_aix.cpp reload_table()
• 53fec1b: 8318981: compiler/compilercontrol/TestConflictInlineCommands.java fails intermittent with 'disallowed by CompileCommand' missing from stdout/stderr
• 177d994: 8306561: Possible out of bounds access in print_pointer_information
• a9f71e9: 8319187: Add three eMudhra emSign roots
• 1603958: 8316017: Refactor timeout handler in PassFailJFrame
• e79ebc7: 8315545: C1: x86 cmove can use short branches
• 44bb402: 8315554: C1: Replace "cmp reg, 0" with "test reg, reg" on x86
• 7588fce: 8316746: Top of lock-stack does not match the unlocked object
• ... and 14 more: https://git.openjdk.org/jdk21u/compare/245885bd96f3ddc417651e3d5fa64e2bce1fdaae...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev @sviswa7 Pushed as commit 21a003a.

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

[sviswa7]

Thanks a lot @shipilev.