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From "weldon washburn (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-1430) [DRLVM] Two bugs fixed in HLO part of Jitrino
Date Fri, 15 Sep 2006 21:05:23 GMT
    [ http://issues.apache.org/jira/browse/HARMONY-1430?page=comments#action_12435119 ] 
            
weldon washburn commented on HARMONY-1430:
------------------------------------------

>From looking at the patch, it looks to be localized mods to only Jitrino.OPT.  I am OK
with applying this patch.  Also, does there need to be a regression test for this problem?
 Or will a regression test appear when abcd is rewritten?


> [DRLVM] Two bugs fixed in HLO part of Jitrino
> ---------------------------------------------
>
>                 Key: HARMONY-1430
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1430
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: George Timoshenko
>         Attachments: HARMONY-1430.patch
>
>
> The bug in optimizing simple arithmetic instruction consist of two parts:
>     - copy/paste caused bug in simplifier::simplifyAnd(xxx)
>     - erroneuos conversion elimination in abcd
> The first is fixed in the code.
> The second is fixed by turning off conversion elimination in abcd.
> (It should be rewritten completely later)
> The second bug: Jitrino does not throw a LinkingException when ldc tries to load
> incorrect class literal.
> As 1.5 support is available 'ldc' can loads class literals.
> These classes may be incorrect (not resolved successfully).
> It actually does not distrub ldc activity but according to specification
> LinkingException must be thrown.
> Bugfix:ThrowLinkingException helper call is generated at the place of ldc in managed
> code if literal type can not be resolved.
> The issue depends on HARMONY-1363

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