[jdk17] RFR: 8268293: VectorAPI cast operation on mask and shuffle is broken [v3]

[Jatin Bhateja]

> Existing implementation of VectoMask.cast and VectorShuffle.cast operation do not generate correct mask compliant with the species passed as the argument.
> 
> This patch fixes the implementation and adds the corresponding cast operation test cases to VectorAPI regression suite.

Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:

  8268293: Reinstating accidentally removed tests.

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

Changes:
  - all: https://git.openjdk.java.net/jdk17/pull/39/files
  - new: https://git.openjdk.java.net/jdk17/pull/39/files/9e844a96..275f7d3f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk17&pr=39&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk17&pr=39&range=01-02

  Stats: 527 lines in 31 files changed: 527 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/39.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/39/head:pull/39

PR: https://git.openjdk.java.net/jdk17/pull/39