RFR: 8256479: [PPC64] C2 crashes when UseVectorByteReverseInstructionsPPC64 used without SuperwordUseVSX

Corey Ashford github.com+51754783+coreyashford at openjdk.java.net
Wed Nov 18 17:38:01 UTC 2020


On Tue, 17 Nov 2020 15:27:29 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> C2 crashes on Power9 when using UseVectorByteReverseInstructionsPPC64 without SuperwordUseVSX. bytes_reverse_long_vecNode uses a Vector Register. See bug for more details.
> 
> The VectorConversion tests can detect the issue.

Looks good.  I don't see any problems with this.

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PR: https://git.openjdk.java.net/jdk/pull/1262


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