RFR: 8286279: [vectorapi] Only check index of masked lanes if offset is out of array boundary for masked store

[Quan Anh Mai]

On Fri, 13 May 2022 01:27:18 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> Maybe we could use `a.length - vsp.length() > 0 && offset u< a.length - vsp.length()` which would hoist the first check outside of the loop.
>> Thanks.
>
>> Maybe we could use `a.length - vsp.length() > 0 && offset u< a.length - vsp.length()` which would hoist the first check outside of the loop. Thanks.
> 
> Thanks for the review @merykitty ! We need the check `offset >= 0` which I think is different from `a.length - vsp.length()`.

@XiaohongGong  `a >= 0 && a < b` is the same as `b >= 0 && a u< b`, it is how we are doing range check today. Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/8620