Bug 105401

Summary: DFG speculation checks that take JumpList should consolidate OSRExits
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   
Bug Depends on:    
Bug Blocks: 105400    
Attachments:
Description Flags
work in progress
none
the patch
none
the patch oliver: review+

Filip Pizlo
Reported 2012-12-19 01:06:03 PST
This will save both code and data structure overhead. It might also speed up compilation. And it will make it easier to emit a speculation check without yet knowing how many jumps it will have.
Attachments
work in progress (16.16 KB, patch)
2012-12-19 01:12 PST, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (16.12 KB, patch)
2012-12-19 23:08 PST, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (16.54 KB, patch)
2012-12-19 23:35 PST, Filip Pizlo 		oliver: review+
DetailsFormatted DiffDiff
Show Obsolete (2) View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2012-12-19 01:12:58 PST
Created attachment 180115 [details] work in progress
Filip Pizlo
Comment 2 2012-12-19 23:08:34 PST
Created attachment 180284 [details] the patch
Filip Pizlo
Comment 3 2012-12-19 23:35:24 PST
Created attachment 180286 [details] the patch
Filip Pizlo
Comment 4 2012-12-20 11:16:07 PST
Landed in http://trac.webkit.org/changeset/138276
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