RFR: 8320999: RISC-V: C2 RotateLeftV [v4]

[Hamlin Li]

> Hi,
> Can you help to review this patch?
> More detailed description is inline in the code.
> Thanks

Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:

  add reg version

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/19325/files
  - new: https://git.openjdk.org/jdk/pull/19325/files/2b295d6e..474e0720

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19325&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19325&range=02-03

  Stats: 60 lines in 2 files changed: 55 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/19325.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19325/head:pull/19325

PR: https://git.openjdk.org/jdk/pull/19325