8362284: RISC-V: cleanup NativeMovRegMem

[RealFYang]

Hi all,

This pull request contains a backport of commit 3fd89be6 from the openjdk/jdk repository.

The commit being backported was authored by Hamlin Li on 17 Jul 2025 and was reviewed by Fei Yang and Ludovic Henry.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8362284 needs maintainer approval

Issue

• JDK-8362284: RISC-V: cleanup NativeMovRegMem (Enhancement - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk25u-dev.git pull/41/head:pull/41
$ git checkout pull/41

Update a local copy of the PR:
$ git checkout pull/41
$ git pull https://git.openjdk.org/jdk25u-dev.git pull/41/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 41

View PR using the GUI difftool:
$ git pr show -t 41

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk25u-dev/pull/41.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back fyang! 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]

@RealFYang 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:

8362284: RISC-V: cleanup NativeMovRegMem

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

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

[openjdk]

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

[openjdk]

⚠️ @RealFYang 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.

[RealFYang]

/approval request Clean backport which removes some dead code on RISC-V thus improving code test coverity. hs:tier1-hs:tier3 verified using fastdebug build on linux-riscv64.

[openjdk]

@RealFYang
8362284: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (69a04342)