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Posted to commits@harmony.apache.org by "Alexey Varlamov (JIRA)" <ji...@apache.org> on 2007/01/30 08:17:33 UTC
[jira] Commented: (HARMONY-3063) [drlvm][jit] ArrayCopyRepMove does
not work on EM64T
[ https://issues.apache.org/jira/browse/HARMONY-3063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468520 ]
Alexey Varlamov commented on HARMONY-3063:
------------------------------------------
Um, George, you disabled the optimization for arrays of floats:
Index: vm/jitrino/src/codegenerator/ia32/Ia32InstCodeSelector.cpp
======================================
@@ -2585,7 +2603,6 @@
case Type::UIntPtr:
case Type::UInt32 :
case Type::Single :
- case Type::Float :
case Type::Object :
case Type::SystemObject :
case Type::SystemString :
I agree that float cannot fit into 4 bytes and it was a hidden bug, so now it will assert instead. But should not we fix this more accurately?
> [drlvm][jit] ArrayCopyRepMove does not work on EM64T
> ----------------------------------------------------
>
> Key: HARMONY-3063
> URL: https://issues.apache.org/jira/browse/HARMONY-3063
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: EM64T
> Reporter: George Timoshenko
> Assigned To: Alexey Varlamov
> Attachments: arraycopy_rep_move_em64t_enabling.patch
>
>
> The optimisation crashes on EM64T. In particular SPECjbb2005 fils with enabled genArrayCopyRepMove switch.
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