[jira] Commented: (HARMONY-6024) [drlvm][jit] Incorrect generated instruction in peephole opt for MOV

["Xiaoming Gu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-6024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649275#action_12649275 ] 

Xiaoming Gu commented on HARMONY-6024:
--------------------------------------

The patch is included into the patch for H6023.

> [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, opnd      
>               =>
>         MOV opnd3, opnd2
> 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.

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