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Posted to commits@harmony.apache.org by "Nikolay Sidelnikov (JIRA)" <ji...@apache.org> on 2007/01/10 07:30:27 UTC
[jira] Updated: (HARMONY-2686) [drlvm][jit][opt] Jitrino doesn't
remove unnesassary conditional jumps after constants compare
[ https://issues.apache.org/jira/browse/HARMONY-2686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nikolay Sidelnikov updated HARMONY-2686:
----------------------------------------
Attachment: (was: branchTranslator.patch)
> [drlvm][jit][opt] Jitrino doesn't remove unnesassary conditional jumps after constants compare
> ----------------------------------------------------------------------------------------------
>
> Key: HARMONY-2686
> URL: https://issues.apache.org/jira/browse/HARMONY-2686
> Project: Harmony
> Issue Type: Improvement
> Components: DRLVM
> Reporter: Nikolay Sidelnikov
> Assigned To: Alexey Petrenko
> Attachments: BranchTranslator_v1.4.patch, btr_fix.patch
>
>
> There are number of cases when Jitrino is able to remove a branch. For example:
> 1)
> MOV eax, 1
> CMP eax, 0
> JZ
> 2)
> MOV eax, 1
> JMP L1
> MOV eax, 0
> L1: CMP eax, 0
> JZ
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