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From "weldon washburn (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4723) [drlvm][thread] hythread_self_helper wastes edx register on Linux/ia32
Date Tue, 09 Oct 2007 21:27:50 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12533517
] 

weldon washburn commented on HARMONY-4723:
------------------------------------------

Please tell us the performance improvement on specific benchmarks.

> [drlvm][thread] hythread_self_helper wastes edx register on Linux/ia32
> ----------------------------------------------------------------------
>
>                 Key: HARMONY-4723
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4723
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux/ia32
>            Reporter: Aleksey Shipilev
>         Attachments: HARMONY-4723.patch
>
>
> Using gen_hythread_self_helper() from vm/vmcore/src/thread/helpers/thread_helpers_ia32.cpp
wastes edx register on Linux/ia32. 
> Attached patch constraints register usage to eax only, that's how it going to be judging
on method comment.

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