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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-2778) [drlvm][jitrino] Inlining of API methods as magics. Platform dependent part of the framework.
Date Thu, 21 Dec 2006 07:54:23 GMT
    [ http://issues.apache.org/jira/browse/HARMONY-2778?page=comments#action_12460176 ] 
            
Alexey Varlamov commented on HARMONY-2778:
------------------------------------------

Mikhail, 
seems the fix in ControlFlowGraph.cpp requires updating comment in condition as well (no need
to update the whole patch, just this bit.).

Regarding the j.l.System.arraycopy(), I mentioned it in the discussion on list mostly for
the record, it need no explicit exclusion through inlineSkipMethodTable (because processed
earlier in Java translator).

> [drlvm][jitrino] Inlining of API methods as magics. Platform dependent part of the framework.
> ---------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2778
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2778
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Mikhail Fursov
>         Assigned To: Alexey Varlamov
>         Attachments: api_magics.zip
>
>
> This patch introduces a framework to replace known JAVA API calls with fast native platform
dependent instruction sequences.
> The patch contains:
> 1) Inlining of Long/Integer bits manipulation methods for IA32/EM64T platform (these
methods are hot in SpecJBB2005).
> 2) BSF inst implementation in encoder
> 3) The fix ControlFlowGraph.cpp for the problem revealed by this patch.
> 4) Refactoring of the inliner's method table. The method_table code now uses MemoryManager
and all memory leaks found are fixed.

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