[vectorIntrinsics] RFR: 8253585: Add basic vector mask implementation for Arm SVE [v3]

[Wang Huang]

On Thu, 5 Nov 2020 03:04:18 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> Summary: Add the SVE match rule support for vector mask ops.
>> 
>> ======
>> 
>> Currently the vector mask related operations like vector mask load/store, vector mask compare and vector blend are not supported for Arm SVE. This patch adds the basic backend implementation for them.
>> 
>> BTW, this is a basic version for vector mask operations that does not use the SVE predicate features. And we will make it happen in future.
>
> Xiaohong Gong has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adjust the match rule costs

Marked as reviewed by whuang (no project role).

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

PR: https://git.openjdk.java.net/panama-vector/pull/20