RFR: 8294262: AArch64: compiler/vectorapi/TestReverseByteTransforms.java test failed on SVE machine [v2]

[Andrew Haley]

On Sat, 1 Oct 2022 00:21:24 GMT, Eric Liu <eliu at openjdk.org> wrote:

>> This test failed at cases test_reversebytes_short/int/long_transform2, which expected the ReversBytesV node, but nothing was finally found. On SVE system, we have a specific optimization, `ReverseBytesV (ReverseBytesV X MASK) MASK => X`, which eliminates both ReverseBytesV nodes. This optimization rule is specifically on hardware with native predicate support. See https://github.com/openjdk/jdk/pull/9623 for more details.
>> 
>> As there is an SVE specific case TestReverseByteTransformsSVE.java, this patch simply marks TestReverseByteTransforms.java as non-SVE only.
>> 
>> [TEST]
>> jdk/incubator/vector, hotspot/compiler/vectorapi pass on SVE machine
>
> Eric Liu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add comment
>   
>   Change-Id: I4c17256ff656528bbcfcacd2ee2380df6ae14bf1

Marked as reviewed by aph (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10442