[vector] Draft PR for JEP 417 support of masking in hardware

[Paul Sandoz]

PR now open for review.

Ningsheng, Jatin can you please update the status of the subtask issues foe https://bugs.openjdk.java.net/browse/JDK-8271515?

Thanks,
Paul.

> On Oct 8, 2021, at 5:19 PM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
> 
> Hi,
> 
> Here is the draft PR to jdk for support of masking in hardware:
> 
>  https://github.com/openjdk/jdk/pull/5873
> 
> Before I make it ready for review can people please check the contributor list, as I may have missed some contributors.
> 
> I ran relevant tests using our internal testing infrastructure. All tests passed.
> 
> Paul.