[vector-unstable] RFR: 8253211: Make sure jvm does not crash with Arm SVE and Vector API

[Paul Sandoz]

On Wed, 16 Sep 2020 12:59:30 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Add those vector api specific OPs to unsupported list for SVE.
>> 
>> Currently we have not implemented all Arm SVE code generation for
>> Vector API specific nodes. To make sure hotspot does not crash with bad
>> AD file (as NEON has implemented them), we simply add those OPs to
>> unsupported op list.
>> 
>> This patch also fixed one missing VectorA handling in previous merge.
>
> Looks good.

Can you please rebase to the `vectorIntrinsics` branch? We are trying to keep `vector-unstable` stable :-) for
integration into `jdk`. After that we can then take changes to `vectorIntrinsics` directly to `jdk`.

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PR: https://git.openjdk.java.net/panama-vector/pull/3