8282466: riscv: Remove unused code in linux_riscv

[feilongjiang]

This PR has the following changes:

• Remove unused code in linux_riscv
• More renaming from riscv64 to riscv in riscv backend

Hotspot and jdk tier1 tests on QEMU are passed without new failures.

---

Progress

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

Issue

• JDK-8282466: riscv: Remove unused code in linux_riscv

Reviewers

• Yanhong Zhu (@yhzhu20 - Committer)
• Fei Yang (@RealFYang - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/riscv-port pull/62/head:pull/62
$ git checkout pull/62

Update a local copy of the PR:
$ git checkout pull/62
$ git pull https://git.openjdk.java.net/riscv-port pull/62/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 62

View PR using the GUI difftool:
$ git pr show -t 62

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/riscv-port/pull/62.diff

[bridgekeeper]

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

[mlbridge]

Webrevs

• 00: Full (a6db0ff4)

[yhzhu20]

Looks good.

[RealFYang]

Looks good. Thanks for the cleanup.

[openjdk]

@feilongjiang 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:

8282466: riscv: Remove unused code in linux_riscv

Reviewed-by: yzhu, fyang

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 riscv-port 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.

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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).

[openjdk]

@feilongjiang
Your change (at version a6db0ff) is now ready to be sponsored by a Committer.

[feilongjiang]

/integrate

[yhzhu20]

/sponsor

[openjdk]

@feilongjiang
Your change (at version a6db0ff) is now ready to be sponsored by a Committer.

[openjdk]

Going to push as commit 579d7c5.

[openjdk]

@yhzhu20 @feilongjiang Pushed as commit 579d7c5.

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