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From "Mikhail Fursov (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HARMONY-3584) [drlvm][jit][opt] arraycopy folding implementation in guarded manner
Date Wed, 15 Aug 2007 06:01:30 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mikhail Fursov reassigned HARMONY-3584:
---------------------------------------

    Assignee: Mikhail Fursov

> [drlvm][jit][opt] arraycopy folding implementation in guarded manner
> --------------------------------------------------------------------
>
>                 Key: HARMONY-3584
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3584
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: DRLVM
>            Reporter: George Timoshenko
>            Assignee: Mikhail Fursov
>            Priority: Critical
>
> the feature (arraycopy call replacement) can be done in the guarded manner. When the
classes of the arrays are being checked at runtime. 
> (It is not obvious if it gives a performance effect or not). 
> when this approach (guarded arraycopy call "inlining") is being implemented this optimisation
should be moved out from the translator and inserted (before inliner) into the HLO path as
a separate optimisation. 

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