[vectorIntrinsics] RFR: Merge panama-vector:master

[Jatin Bhateja]

On Tue, 22 Mar 2022 05:36:28 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> - Merge panama-vector:master into vectorIntrinsics.
> - Validation done using vector API JTREGs at different AVX levels.
> 
> Kindly review and approve.
> 
> Regards,
> Jatin

Hi @nsjian , @XiaohongGong , @theRealELiu , 
Can you kindly approve, I understand we have few inflight patches which may need a rebase after this.

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PR: https://git.openjdk.java.net/panama-vector/pull/183