You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@harmony.apache.org by "Xiaoming Gu (JIRA)" <ji...@apache.org> on 2008/11/20 06:18:44 UTC
[jira] Updated: (HARMONY-6024) [drlvm][jit] Incorrect generated
instruction in peephole opt for MOV
[ https://issues.apache.org/jira/browse/HARMONY-6024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoming Gu updated HARMONY-6024:
---------------------------------
Attachment: H6024-V1.patch
This message is for V1 patch.
Some code is added to generate pseudo copy instruction if the original two MOV are both pseudo.
(The patch for H6016 is included.)
> [drlvm][jit] Incorrect generated instruction in peephole opt for MOV
> --------------------------------------------------------------------
>
> Key: HARMONY-6024
> URL: https://issues.apache.org/jira/browse/HARMONY-6024
> Project: Harmony
> Issue Type: Bug
> Environment: IA32 Windows
> Reporter: Xiaoming Gu
> Attachments: H6024-V1.patch
>
>
> In the case 1 of peephole opt for MOV in Ia32PeepHole.cpp, the optimization is like following:
> MOV opnd, opnd2 MOV opnd3, opnd2
> MOV opnd3, opnd =>
> The bug is the new MOV instruction is always generated by "newInst" even the original MOV instructions are both pseudo copy, which will cause an assertion error later.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.