[jira] Resolved: (HARMONY-5425) [drlvm][jit][opt] Spillgen ignores intitial constrains sometimes

["Mikhail Fursov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-5425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Fursov resolved HARMONY-5425.
-------------------------------------

    Resolution: Fixed

committed revision 615453

> [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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