8291947: riscv: fail to build after JDK-8290840

[zifeihan]

Please review this backport to riscv-port-jdk17u.
Backport of JDK-8291947.
In the current version, https://bugs.openjdk.org/browse/JDK-8290840 has not been refactored, so the issues corresponding to the original issue do not exist. compared to the original patch, the icache_flush function is removed in a different location.

Testing:

• Tier1 passed without new failure on unmacthed (release).

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8291947: riscv: fail to build after JDK-8290840

Reviewers

• Vladimir Kempik (@VladimirKempik - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/riscv-port-jdk17u pull/15/head:pull/15
$ git checkout pull/15

Update a local copy of the PR:
$ git checkout pull/15
$ git pull https://git.openjdk.org/riscv-port-jdk17u pull/15/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 15

View PR using the GUI difftool:
$ git pr show -t 15

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/riscv-port-jdk17u/pull/15.diff

[bridgekeeper]

👋 Welcome back gcao! 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.

[openjdk]

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

[mlbridge]

Webrevs

• 00: Full (73e0630a)

[VladimirKempik]

Looks good

[openjdk]

@zifeihan 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:

8291947: riscv: fail to build after JDK-8290840

Reviewed-by: vkempik

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 1 new commit pushed to the riscv-port branch:

• d2025ab: 8287425: Remove unnecessary register push for MacroAssembler::check_klass_subtype_slow_path

Please see this link for an up-to-date comparison between the source branch of this pull request and the riscv-port branch.
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. Possible candidates are the reviewers of this PR (@VladimirKempik) but any other Committer may sponsor as well.

➡️ 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).

[RealFYang]

Looks OK.