RFR: 8349632: RISC-V: Add Zfa fminm/fmaxm

[Anjian Wen]

On Tue, 18 Feb 2025 03:27:06 GMT, Anjian Wen <duke at openjdk.org> wrote:

> Hi @Anjian-Wen, welcome to this OpenJDK project and thanks for contributing!
> 
> We do not recognize you as [Contributor](https://openjdk.java.net/bylaws#contributor) and need to ensure you have signed the Oracle Contributor Agreement (OCA). If you have not signed the OCA, please follow [the instructions](https://oca.opensource.oracle.com/). Please fill in your GitHub username in the "Username" field of the application. Once you have signed the OCA, please let us know by writing `/signed` in a comment in this pull request.
> 
> If you already are an OpenJDK [Author](https://openjdk.java.net/bylaws#author), [Committer](https://openjdk.java.net/bylaws#committer) or [Reviewer](https://openjdk.java.net/bylaws#reviewer), please click [here](https://bugs.openjdk.java.net/secure/CreateIssue.jspa?pid=11300&issuetype=1) to open a new issue so that we can record that fact. Please use "Add GitHub user Anjian-Wen" as summary for the issue.
> 
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PR Comment: https://git.openjdk.org/jdk/pull/23509#issuecomment-2693202499