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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5037) [drlvm][jit][opt] improper opcode group lookup
Date Wed, 11 Jun 2008 14:38:45 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexey Varlamov updated HARMONY-5037:
-------------------------------------

    Attachment: enc64.diff

An updated patch: includes fixes for x86-64 platform.
George, I had to revert that workaround with Boolean size - in fact it is 8 bits in heap and
AFAIU we have no other uses for this type.
Remained problem is with spillgen, it fails to handle some operands (assert(fails == 0); at
vm\jitrino\src\codegenerator\ia32\Ia32SpillGen.cpp:669). Fortunately turning off global regalloc
helps to bypass the issue and almost all tests and scenarios work.

> [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
>         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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