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From "Yu-Nan He (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-3911) [DRLVM][JIT] wrong array element size calculated for allocArray helper inlining
Date Fri, 18 May 2007 13:02:16 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yu-Nan He updated HARMONY-3911:
-------------------------------

    Attachment: server.emconf

I attached the server.emconf to reproduce the bug. 

> [DRLVM][JIT] wrong array element size calculated for allocArray helper inlining
> -------------------------------------------------------------------------------
>
>                 Key: HARMONY-3911
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3911
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: windows and linux
>            Reporter: Yu-Nan He
>         Attachments: server.emconf
>
>
> During the investigation of HARMONY-3899, I found the failure is caused by a wrong array
element size passed to GC. 
> When running
> java -Xmx1500M -Xms1500M -Xem:server -XX:vm.dlls=gc_gen.dll -XX:gc.use_large_page=true
-cp . Harness -n 10 hsqldb 
> in some iteration, allocArray helper is invoked to create an array of [Z type with length
of 13. But the element size is set to be 4 (for one Byte). Then the calculated array object
size is wrong. 
> It would be great if some JIT guru can help to fix it. Thanks.

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