[vectorIntrinsics+mask] RFR: Merge panama-vector:vectorIntrinsics [v2]

[Jatin Bhateja]

> Following two files have merge conflicts
> - src/hotspot/cpu/aarch64/aarch64_sve_ad.m4
> - src/hotspot/cpu/aarch64/aarch64_sve.ad
> 
> @nsjian, @theRealELiu , @XiaohongGong 
> Can you kindly resolve the conflicts.
> 
> Thanks

Jatin Bhateja has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 20 commits:

 - AARCH64 merge conflicts resolution
 - Merge branch 'vectorIntrinsics' of http://github.com/openjdk/panama-vector into merge-vectorIntrinsics
 - 8272100: VectorAPI: modify existing implementation of masked neg and not operation.
   
   Reviewed-by: xgong
 - 8272479: Java API and IR changes for masked rearrange operation
   
   Reviewed-by: psandoz
 - 8271539: Add masking support for load/store from/into byte array/buffer
   
   Reviewed-by: psandoz
 - 8271313: AArch64: SVE backend support for masking operations with predicate feature
   
   Co-authored-by: Eric Liu <eliu at openjdk.org>
   Co-authored-by: Ningsheng Jian <njian at openjdk.org>
   Reviewed-by: njian
 - 8271273: Java API and IR changes for masked compare operation
   
   Reviewed-by: xgong
 - Merge panama-vector:vectorIntrinsics
   
   Reviewed-by: sviswanathan
 - 8270264: Add the masking support for vector lanewiseShift
   
   Reviewed-by: jbhateja, psandoz
 - 8266287: Basic mask IR implementation for the Vector API masking feature support
   
   Reviewed-by: sviswanathan
 - ... and 10 more: https://git.openjdk.java.net/panama-vector/compare/3b215931...bdae146f

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

Changes: https://git.openjdk.java.net/panama-vector/pull/112/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=112&range=01
  Stats: 14614 lines in 85 files changed: 10814 ins; 1367 del; 2433 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/112.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/112/head:pull/112

PR: https://git.openjdk.java.net/panama-vector/pull/112