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From "Yuri Dolgov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5267) [drlvm][jit]SpillGen makes unnecessary spills and produces incorrect code
Date Thu, 06 Dec 2007 11:51:43 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yuri Dolgov updated HARMONY-5267:
---------------------------------

    Attachment:     (was: HARMONY-5267.patch)

> [drlvm][jit]SpillGen makes unnecessary spills and produces incorrect code
> -------------------------------------------------------------------------
>
>                 Key: HARMONY-5267
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5267
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux/Windows EM64T
> r600470
>            Reporter: Yuri Dolgov
>            Priority: Critical
>         Attachments: sql1.java
>
>
> SpillGen can make unnecessary spills in case if the last instruction in basic block is
jump. It also can generate incorrect code 
> in this case (place 2 operands on single  register).
> To reporduce this make the following steps:
> 1. Download Oracle Database 10g 10.1.0.5 JDBC Drivers (particulary ojdbc14.jar ) from
http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/htdocs/jdbc101040.html
> 2. Compile and run the test attached (sql1.java) java -cp ojdbc14.jar oracle.jdbc.driver.sql1

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