RFR: 8330266: RISC-V: Restore frm to RoundingMode::rne after JNI [v2]

[Hamlin Li]

On Wed, 17 Apr 2024 03:47:31 GMT, Fei Yang <fyang at openjdk.org> wrote:

> Suggesion: beqz(tmp, skip_fsrmi);        // Only reset FRM if it's wrong

fixed, thanks!

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PR Review Comment: https://git.openjdk.org/jdk/pull/18785#discussion_r1568337193