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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5399) [drlvm][jit] Enabling arraycopy optimization for primitive types when write barriers are enabled
Date Fri, 18 Jan 2008 09:20:34 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560310#action_12560310
] 

Aleksey Shipilev commented on HARMONY-5399:
-------------------------------------------

Nope, I haven't that in plans. We can disable REF copying functionality for genArrayCopy and
mark this checking as TODO. Then later when actual checking occurs, there will be minor patch
which would change "true" to "false" in arraycopyOptimizable call and make the change safe.

> [drlvm][jit] Enabling arraycopy optimization for primitive types when write barriers
are enabled
> ------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5399
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5399
>             Project: Harmony
>          Issue Type: Improvement
>         Environment: All
>            Reporter: Aleksey Shipilev
>         Attachments: WB-2.patch, WB-3.patch, WB-4.patch, WB-5.patch
>
>
> JIT arraycopy optimization is disabled automatically when WB are enabled. Attached patch
re-enables arraycopy optimization for arrays of primitive types, which shouldn't interfere
with WB activity.

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