Integrated: 8294262: AArch64: compiler/vectorapi/TestReverseByteTransforms.java test failed on SVE machine

Eric Liu eliu at openjdk.org
Tue Oct 11 01:41:27 UTC 2022


On Tue, 27 Sep 2022 09:31:43 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

This pull request has now been integrated.

Changeset: 9d116ec1
Author:    Eric Liu <eliu at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/9d116ec147a3182a9c831ffdce02c98da8c5031d
Stats:     5 lines in 1 file changed: 4 ins; 0 del; 1 mod

8294262: AArch64: compiler/vectorapi/TestReverseByteTransforms.java test failed on SVE machine

Reviewed-by: aph, njian

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

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


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