Bug 118151

Summary: FTL should do loop peeling
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED INVALID    
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on: 118152    
Bug Blocks: 132356    
Attachments:
Description Flags
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Description Filip Pizlo 2013-06-27 15:16:09 PDT 
We should at least try it and see what happens.

Patch forthcoming.
Comment 1 Filip Pizlo 2013-06-27 20:58:30 PDT 
Created attachment 205658 [details]
work in progress
Comment 2 Filip Pizlo 2013-06-27 21:30:49 PDT 
Created attachment 205660 [details]
work in progress
Comment 3 Filip Pizlo 2013-06-28 08:44:02 PDT 
Created attachment 205718 [details]
work in progress
Comment 4 Filip Pizlo 2016-02-15 16:26:04 PST 
This is almost certainly not a good idea.  We haven't seen any perf results that show this to be a good idea.