RFR: 8373069: RISC-V: implement GHASH intrinsic [v3]

[Anjian Wen]

> support GHASH intrinsic for crypt GCM, which need zvkg extension. 
> 
> passed the tests in 
> test/hotspot/jtreg/compiler/codegen/aes/
> test/jdk/com/sun/crypto

Anjian Wen has updated the pull request incrementally with one additional commit since the last revision:

  modify some format and change name

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/28548/files
  - new: https://git.openjdk.org/jdk/pull/28548/files/b59700b0..fc63cb77

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28548&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28548&range=01-02

  Stats: 6 lines in 2 files changed: 0 ins; 2 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/28548.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28548/head:pull/28548

PR: https://git.openjdk.org/jdk/pull/28548