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Posted to commits@harmony.apache.org by "Alexey Varlamov (JIRA)" <ji...@apache.org> on 2008/01/28 08:35:34 UTC
[jira] Commented: (HARMONY-5425) [drlvm][jit][opt] Spillgen ignores
intitial constrains sometimes
[ https://issues.apache.org/jira/browse/HARMONY-5425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12563065#action_12563065 ]
Alexey Varlamov commented on HARMONY-5425:
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Mikhail, the checkin does not include testCrossCallsLiveness() verification from the attached patch - is it intentionally dropped?
> [drlvm][jit][opt] Spillgen ignores intitial constrains sometimes
> ----------------------------------------------------------------
>
> Key: HARMONY-5425
> URL: https://issues.apache.org/jira/browse/HARMONY-5425
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Mikhail Fursov
> Assignee: Mikhail Fursov
> Attachments: spill.diff
>
>
> I found that in some scenarios with high register pressure (I can't neither publish the sources or create a microtest) spillgen reassigns an operand from callee-save register to caller-save making its value invalid after a CALL
> The problem method was originally found in a method: org/apache/harmony/awt/gl/Crossing::intersectCubic
> I apply the patch that fixes the problem.
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