RFR: 8354242: VectorAPI: combine vector not operation with compare [v8]

[Emanuel Peter]

On Wed, 11 Jun 2025 07:31:48 GMT, erifan <duke at openjdk.org> wrote:

>> test/hotspot/jtreg/compiler/vectorapi/VectorMaskCompareNotTest.java line 158:
>> 
>>> 156:         } else if (op == VectorOperators.UGT) {
>>> 157:             Asserts.assertEquals(compareUnsigned(a, b) <= 0, r);
>>> 158:         }
>> 
>> Please refactor it as a `switch`. And add a `default` case where you throw some `RuntimeException`. just to make sure we are not missing anything :)
>
> `VectorOperators.XXX` is not compile time constants, we can't use `switch` here.

Oh. Ok. Well at least add a `RuntimeException` to an `else` branch then, I would suggest :)

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PR Review Comment: https://git.openjdk.org/jdk/pull/24674#discussion_r2139441633