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From "George Timoshenko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-2868) [drlvm][jit][opt] Jitrino.OPT loops infinitely inside recursive Jitrino::InstValueNumberer::thereIsAPath(...) on DaCapo jython
Date Thu, 08 Feb 2007 12:45:06 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

George Timoshenko updated HARMONY-2868:
---------------------------------------

    Attachment: HARMONY-2868.patch

the fix of thereIsAPath triggered another bug in hashvaluenumberer so getKey(Inst* inst) was
also changed.

with the fix cmdline from the description gives the same output for -Xint, -Xem:opt and default
modes.

> [drlvm][jit][opt] Jitrino.OPT loops infinitely inside recursive Jitrino::InstValueNumberer::thereIsAPath(...)
on DaCapo jython
> ------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2868
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2868
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: all, -Xem:opt
>            Reporter: Egor Pasko
>         Attachments: HARMONY-2868.patch
>
>
> in pure OPT mode DaCapo hangs on DRLVM if run with parameters:
> -Xem:opt -jar dacapo-2006-10.jar -s small -n 2 jython
> attaching GDB reveals >100 stack frames inside Jitrino.OPT's InstValueNumberer::thereIsAPath(...)
> the method being compiled is:
> org/python/util/jython::main([Ljava/lang/String;)V

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