[vectorIntrinsics+mask] RFR: 8266287: Basic mask IR implementation for the Vector API masking feature support [v2]

[Xiaohong Gong]

On Wed, 30 Jun 2021 17:03:41 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Hi @XiaohongGong ,  I think there are still few opens like StoreVectorMask/LoadVectorMask which may be specific for ARM or creation of different nodes for logic mask operation (OrVMask/AndVMask/XorVMask) etc, since we are anyways working on a forked branch from vectorIntrinsics any further tuning can be done later and it will give us an opportunity to start the backend work using common IR.
>> 
>> Hi @PaulSandoz , @sviswa7 , what are your thoughts.
>
>>
>> Hi @PaulSandoz , @sviswa7 , what are your thoughts.
> 
> It's ok if its not perfect (most importantly it has to build), if there is rough consensus via approval lets iterate on the branch and make incremental improvements.

@PaulSandoz @sviswa7 @jatin-bhateja , I'v rebased this PR again and resolved the conflicts. Could you please give an approve if it can be merged? Thanks so much!

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PR: https://git.openjdk.java.net/panama-vector/pull/78