8308726: RISC-V: avoid unnecessary slli in the vectorized arraycopy stubs for bytes

[gctony]

---

Progress

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• Commit message must refer to an issue

Issue

• JDK-8308726: RISC-V: avoid unnecessary slli in the vectorized arraycopy stubs for bytes

Reviewers

• Fei Yang (@RealFYang - Reviewer)
• Ludovic Henry (@luhenry - Committer)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/14288/head:pull/14288
$ git checkout pull/14288

Update a local copy of the PR:
$ git checkout pull/14288
$ git pull https://git.openjdk.org/jdk.git pull/14288/head

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$ git pr checkout 14288

View PR using the GUI difftool:
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Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/14288.diff

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[bridgekeeper]

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (58b0e798)
• 00: Full (11657978)

[openjdk]

@gctony 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:

8308726: RISC-V: avoid unnecessary slli in the vectorized arraycopy stubs for bytes

Reviewed-by: fyang, luhenry

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 14 new commits pushed to the master branch:

• 3fa776d: 8302673: [SuperWord] MaxReduction and MinReduction should vectorize for int
• 22a9a86: 8309268: C2: "assert(in_bb(n)) failed: must be" after JDK-8306302
• b6c9232: 8305225: A service broken error despite annotation processor generating it if directives listed
• 05fb6c6: 8309336: Incorrect switch in enum not reported properly
• 08c91c2: 8309332: RISC-V: Improve PrintOptoAssembly output of vector nodes
• ecb1753: 8309334: ProcessTools.main() does not properly set thread names when using the virtual thread wrapper
• ac1597b: 8309409: Update HttpInputStreamTest and BodyProcessorInputStreamTest to use hg.openjdk.org
• fdb5893: 8309391: Remove non-failing tests from test/jdk/ProblemList-Virtual.txt
• 6edd786: 8309265: Serial: Remove the code related to GC overheap limit
• 61bb014: 8309254: Implement fast-path for ASCII-compatible CharsetEncoders on RISC-V
• ... and 4 more: https://git.openjdk.org/jdk/compare/931913fbb299fbed7485ab8229100e6e56d8bada...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.

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

[gctony]

/integrate

[openjdk]

Going to push as commit 5cd8af7.
Since your change was applied there have been 22 commits pushed to the master branch:

• 80232b7: 8308969: make test-prebuilt doesn't return the correct exit code
• 6d511f1: 8309129: AArch64: guarantee(T != T2S) failed: "incorrect arrangement" after JDK-8307795
• 9be5769: 8291966: SwitchBootstrap.typeSwitch could be faster
• db0857d: 8306578: Report error if no label given in @see and {@link} when no default is available
• 8c9d21e: 8296920: Regression Test DialogOrient.java fails on MacOS
• ac41c03: 8303465: KeyStore of type KeychainStore, provider Apple does not show all trusted certificates
• 11fb5b2: 8309104: [JVMCI] compiler/unsafe/UnsafeGetStableArrayElement test asserts wrong values with Graal
• a02d800: 8309405: RISC-V: is_deopt may produce unaligned memory read
• 3fa776d: 8302673: [SuperWord] MaxReduction and MinReduction should vectorize for int
• 22a9a86: 8309268: C2: "assert(in_bb(n)) failed: must be" after JDK-8306302
• ... and 12 more: https://git.openjdk.org/jdk/compare/931913fbb299fbed7485ab8229100e6e56d8bada...master

Your commit was automatically rebased without conflicts.

[openjdk]

@gctony Pushed as commit 5cd8af7.

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