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

Tobias Hartmann thartmann at openjdk.java.net
Fri Nov 19 08:28:47 UTC 2021


On Wed, 17 Nov 2021 09:25:26 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

This pull request has now been integrated.

Changeset: 3a76d397
Author:    Tobias Hartmann <thartmann at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/3a76d397949ad22e4786476e583cc9d33c015214
Stats:     66 lines in 1 file changed: 54 ins; 4 del; 8 mod

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

Reviewed-by: chagedorn, roland

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

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


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