[vectorIntrinsics+mask] RFR: 8273264: AArch64: [vector] Add missing rules for VectorMaskCast [v2]

[Paul Sandoz]

On Tue, 14 Sep 2021 10:58:07 GMT, Eric Liu <eliu at openjdk.org> wrote:

>> test/hotspot/jtreg/compiler/vectorapi/VectorMaskCastTest.java line 52:
>> 
>>> 50: 
>>> 51: 
>>> 52: public class VectorMaskCastTest{
>> 
>> Do we need to add such a test? We already have conversions tests, see sub-classes of `AbstractVectorConversionTest`.
>
> I tested with those conversion tests before, but the method could not be intrinsified. I checked generated code and the new test cases could work.

Do you have any indicates as to why? Is it because the invocation count is too low?

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PR: https://git.openjdk.java.net/panama-vector/pull/124