Bug 116767

Summary: We broke (-2^31/-1)|0 in the DFG
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
the patch kling: review+

Description Filip Pizlo 2013-05-25 14:31:04 PDT
Patch forthcoming.
Comment 1 Filip Pizlo 2013-05-25 15:44:41 PDT
Created attachment 202894 [details]
the patch
Comment 2 Andreas Kling 2013-05-25 16:25:41 PDT
Comment on attachment 202894 [details]
the patch

View in context: https://bugs.webkit.org/attachment.cgi?id=202894&action=review

r=me

> Source/JavaScriptCore/ChangeLog:9
> +        The bug is that we were assuming that inthe -2^31 case, we already had -2^31
> +        in the result register. This was a wrong assumption.

Fatfinger, in the.
Comment 3 Filip Pizlo 2013-05-25 16:30:59 PDT
(In reply to comment #2)
> (From update of attachment 202894 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=202894&action=review
> 
> r=me
> 
> > Source/JavaScriptCore/ChangeLog:9
> > +        The bug is that we were assuming that inthe -2^31 case, we already had -2^31
> > +        in the result register. This was a wrong assumption.
> 
> Fatfinger, in the.

Thanks, fixed!
Comment 4 Filip Pizlo 2013-05-25 16:31:32 PDT
Landed in http://trac.webkit.org/changeset/150694