Bug 68781 - DFG tracking of the value in cachedResultRegister does not handle op_mov correctly
Summary: DFG tracking of the value in cachedResultRegister does not handle op_mov corr...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-09-25 15:44 PDT by Filip Pizlo
Modified: 2011-09-25 16:40 PDT (History)
2 users (show)

See Also:


Attachments
the patch (3.72 KB, patch)
2011-09-25 16:11 PDT, Filip Pizlo
oliver: review+
Details | Formatted Diff | Diff

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Description Filip Pizlo 2011-09-25 15:44:37 PDT
The old JIT implementation of op_mov does not handle the cachedResultRegister the same way as other operations.  The DFG's tracking does not take this into account.
Comment 1 Filip Pizlo 2011-09-25 16:11:04 PDT
Created attachment 108613 [details]
the patch
Comment 2 Filip Pizlo 2011-09-25 16:40:17 PDT
Landed in r95925.