Bug 128231

Summary: [ftlopt] GC should notify us if it resets to_this
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, bunhere, cdumez, commit-queue, ggaren, gyuyoung.kim, mark.lam, mhahnenberg, mmirman, msaboff, nrotem, oliver, rakuco, sam, sergio
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on:    
Bug Blocks: 132357    
Attachments:
Description Flags
work in progress
none
the patch ggaren: review+

Filip Pizlo
Reported 2014-02-04 20:06:50 PST
This appears to not be a speed-up, but it seems like a good idea, so I want a bug for the idea. I will upload my patch.
Attachments
work in progress (5.28 KB, patch)
2014-02-04 20:07 PST, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (18.80 KB, patch)
2014-06-24 11:24 PDT, Filip Pizlo 		ggaren: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2014-02-04 20:07:20 PST
Created attachment 223205 [details] work in progress
Filip Pizlo
Comment 2 2014-06-24 11:21:38 PDT
This used to be a slow-down but now with all of the work on improving support for polymorphic heap accesses, this is now perf-neutral.
Filip Pizlo
Comment 3 2014-06-24 11:24:55 PDT
Created attachment 233722 [details] the patch
Geoffrey Garen
Comment 4 2014-06-24 11:28:16 PDT
Comment on attachment 233722 [details] the patch r=me
Filip Pizlo
Comment 5 2014-06-24 12:51:52 PDT
Landed in http://trac.webkit.org/changeset/170382
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