RFR: 8277324: C2 compilation fails with "bad AD file" on x86-32 after JDK-8276162 due to missing match rule [v2]

Fri Nov 19 08:16:49 UTC 2021

On Wed, 17 Nov 2021 12:41:08 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> [JDK-8276162](https://bugs.openjdk.java.net/browse/JDK-8276162) introduced an optimization that creates `CMoveI (Bool (CmpUL ...) ...)` shapes but x86-32 misses the corresponding match rules in C2's backend.
>> 
>> I also fixed two comments incorrectly referring to ints instead of ptrs.
>> 
>> Thanks,
>> Tobias
>
> Tobias Hartmann has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use expand

Looks good to me.

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Marked as reviewed by roland (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6427