On 11/08/2019 16:55, Chris Plummer wrote:
Hi Alex,

Comments below:

On 11/8/19 4:39 PM, Alex Menkov wrote:


On 11/08/2019 15:22, Alex Menkov wrote:
Hi all,

Please review the fix for
https://bugs.openjdk.java.net/browse/JDK-8215196
webrev:
http://cr.openjdk.java.net/~amenkov/jdk14/popframe_args/webrev/
I don't really see a resolution in the JDK-8215196 comments as to what is actually broken. Are we sure we want to fix this in the test, and not require different behavior by the compiler (and also clarify the spec)?

In the test activeMeth method changes its arguments values and then don't use them later. I think dropping useless code is good compiler optimization and I'd prefer to not restrict to do the optimization.


Currently PopFrame is disabled with JVMCI by [1], so for testing I reverted [1] changes.

Just to be clear - I temporary reverted [1] for test runs.

The description for JDK-8218025 says that the intention is to only disable these capabilities for JDK12. Is there a CR to re-enabled them?

https://bugs.openjdk.java.net/browse/JDK-8218885
Unfortunately the problem why the capabilities were disabled are still unresolved and looks like won't be resolved in 14, so for now it's targeted to tbd.

--alex


thanks,

Chris
--alex


[1] https://bugs.openjdk.java.net/browse/JDK-8218025

--alex

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