Bug 105401 - DFG speculation checks that take JumpList should consolidate OSRExits
Summary: DFG speculation checks that take JumpList should consolidate OSRExits
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Filip Pizlo
URL:
Keywords:
Depends on:
Blocks: 105400
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Reported: 2012-12-19 01:06 PST by Filip Pizlo
Modified: 2012-12-20 11:16 PST (History)
7 users (show)

See Also:

Attachments
work in progress (16.16 KB, patch)
2012-12-19 01:12 PST, Filip Pizlo 		no flags Details | Formatted Diff | Diff
the patch (16.12 KB, patch)
2012-12-19 23:08 PST, Filip Pizlo 		no flags Details | Formatted Diff | Diff
the patch (16.54 KB, patch)
2012-12-19 23:35 PST, Filip Pizlo 		oliver: review+
Details | Formatted Diff | Diff
Show Obsolete (2) View All Add an attachment (proposed patch, testcase, etc.)

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Description Filip Pizlo 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.
Comment 1 Filip Pizlo 2012-12-19 01:12:58 PST 
Created attachment 180115 [details]
work in progress
Comment 2 Filip Pizlo 2012-12-19 23:08:34 PST 
Created attachment 180284 [details]
the patch
Comment 3 Filip Pizlo 2012-12-19 23:35:24 PST 
Created attachment 180286 [details]
the patch
Comment 4 Filip Pizlo 2012-12-20 11:16:07 PST 
Landed in http://trac.webkit.org/changeset/138276