RFR: 8354242: VectorAPI: combine vector not operation with compare [v11]

[erifan]

On Tue, 9 Sep 2025 13:04:48 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> erifan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update the code comment
>
> test/hotspot/jtreg/compiler/vectorapi/VectorMaskCompareNotTest.java line 911:
> 
>> 909:         testCompareMaskNotLong(L_SPECIES_FOR_CAST, VectorOperators.UGE, (m) -> { return m.cast(I_SPECIES_FOR_CAST).not(); });
>> 910:         verifyResultsLong(L_SPECIES_FOR_CAST, VectorOperators.UGE);
>> 911:     }
> 
> You have some cast in here, and in similar tests.
> Can you add an IR rule to check if we do or do not have the expected casts?

Done.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/24674#discussion_r2347920402