RFR: 8329273: C2 SuperWord: Some basic MemorySegment IR tests [v4]

Mon May 13 07:58:04 UTC 2024

On Mon, 13 May 2024 07:47:35 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> I could not find any IR vectorization tests for `MemorySegment` yet.
>> 
>> I make sure to exercise different backing types:
>> - arrays
>> - buffers
>> - native memory
>> 
>> I filed a follow-up RFE, to eventually make all cases where I have "FAILS" vectorize:
>> 
>> [JDK-8331659](https://bugs.openjdk.org/browse/JDK-8331659): C2 SuperWord: investicate failed vectorization in compiler/loopopts/superword/TestMemorySegment.java
>
> Emanuel Peter has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Merge branch 'JDK-8329273-memory-segment-ir-tests' of https://github.com/eme64/jdk into JDK-8329273-memory-segment-ir-tests
>  - review suggestions by Christian

Updates look good, thanks!

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Marked as reviewed by chagedorn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18535#pullrequestreview-2051958085