[vectorIntrinsics] RFR: Merge master [v2]

[Jatin Bhateja]

> Merge the latest JDK code into vectorIntrinsics after the latest Native library handling using FFM.
> Subsequently, refresh the out-of-sync vectorIntrinsics+fp16 branch.
> 
> Best Regards,
> Jatin

Jatin Bhateja has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 833 commits:

 - Merge branch 'master' of http://github.com/openjdk/panama-vector into merge_master
 - 8345798: Update VectorAPI Benchmarks
   
   Reviewed-by: psandoz
 - Merge
 - 8343779: Cannot build Vector API JMH benchmarks on vectorIntrinsics branch
   
   Reviewed-by: psandoz
 - Merge
 - Merge
 - Merge panama-vector:master
   
   Reviewed-by: jbhateja
 - Add @since 19 tags
   
   Reviewed-by: sviswanathan
 - Merge panama-vector:master
   
   Reviewed-by: jbhateja
 - 8285013: AArch64: [vectorapi] Backend support of ExpandV for SVE2
   
   Reviewed-by: njian
 - ... and 823 more: https://git.openjdk.org/panama-vector/compare/21b0f5ea...ab709b56

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

Changes: https://git.openjdk.org/panama-vector/pull/226/files
  Webrev: https://webrevs.openjdk.org/?repo=panama-vector&pr=226&range=01
  Stats: 79236 lines in 92 files changed: 79230 ins; 1 del; 5 mod
  Patch: https://git.openjdk.org/panama-vector/pull/226.diff
  Fetch: git fetch https://git.openjdk.org/panama-vector.git pull/226/head:pull/226

PR: https://git.openjdk.org/panama-vector/pull/226