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From "Cheng, BuQi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5037) [drlvm][jit][opt] improper opcode group lookup
Date Mon, 13 Oct 2008 07:58:45 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638963#action_12638963
] 

Cheng, BuQi commented on HARMONY-5037:
--------------------------------------

Hi Alexey:

    Would you like to provide more information about the patch? The patch is too bigger to
understand clearly. 

Thanks!

Buqi

    
    

> [drlvm][jit][opt] improper opcode group lookup
> ----------------------------------------------
>
>                 Key: HARMONY-5037
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5037
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Alexey Varlamov
>            Assignee: Alexey Varlamov
>             Fix For: 5.0M7
>
>         Attachments: enc64.diff, enc_lookup.patch, HARMONY-5037-enc_lookup_gt3_May23.patch
>
>
> Encoder of Jitrino.OPT improperly matches OpcodeGroups, allowing to create invalid instructions.
See for example HARMONY-5022

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