[vectorIntrinsics] RFR: Merge panama-vector:master

[Paul Sandoz]

On Fri, 4 Dec 2020 13:52:10 GMT, Ludovic Henry <luhenry at openjdk.org> wrote:

> Merge latest master changes into vectorIntrinsics branch.

I eyeballed the webrevs and it looks good to me (but not familiar with all HotSpot code)

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

Marked as reviewed by psandoz (Committer).

PR: https://git.openjdk.java.net/panama-vector/pull/28