[vectorIntrinsics] RFR: Merge panama-vector:master

[Ningsheng Jian]

On Fri, 20 Nov 2020 01:12:41 GMT, Ningsheng Jian <njian at openjdk.org> wrote:

>> @nsjian I have almost certainly got the aarch64 changes wrong to that file which tests instructions for a debug build. Can you help with this? We can update the PR or we can integrate this PR as is, then follow up with a new PR with specific changes.
>
>> @nsjian I have almost certainly got the aarch64 changes wrong to that file which tests instructions for a debug build. Can you help with this? We can update the PR or we can integrate this PR as is, then follow up with a new PR with specific changes.
> 
> I will take a look later today.

I think JDK-8253623 now has a proper fix in openjdk/jdk: https://github.com/openjdk/jdk/pull/853, which is included in this merge. So we don't need the workaround code from JDK-8253623.

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PR: https://git.openjdk.java.net/panama-vector/pull/25