RFR: 8324124: RISC-V: implement _vectorizedMismatch intrinsic [v7]

[Yuri Gaevsky]

> Hello All,
> 
> Please review these changes to enable the __vectorizedMismatch_ intrinsic on RISC-V platform with RVV instructions supported.
> 
> Thank you,
> -Yuri Gaevsky
> 
> **Correctness checks:**
>   hotspot/jtreg/compiler/{intrinsic/c1/c2}/ under QEMU-8.1 with RVV v1.0.0 and -XX:TieredStopAtLevel=1/2/3/4.

Yuri Gaevsky has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains seven commits:

 - Merge master
 - removed unneeded check for zero length; changed lmul from m8 to m2.
 - - moved vector register declarations into vectorized_mismatch() body.
   - added initial support for ArrayOperationPartialInlineSize.
 - removed obsolete code.
 - Merge master
 - Merge master
 - 8324124: RISC-V: implement _vectorizedMismatch intrinsic

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Changes: https://git.openjdk.org/jdk/pull/17750/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17750&range=06
  Stats: 174 lines in 6 files changed: 168 ins; 5 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17750.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17750/head:pull/17750

PR: https://git.openjdk.org/jdk/pull/17750