Bug 88146

Summary:

DFG should not emit unnecessary speculation checks when performing an int32 to double conversion on a value that is proved to be a number, predicted to be an int32, but not proved to be an int32

Product:

WebKit

Reporter:

Filip Pizlo <fpizlo>

Component:

JavaScriptCore

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

Priority:

Version:

528+ (Nightly build)

Hardware:

All

OS:

All

Attachments:

Description	Flags
the patch	barraclough: review+

Filip Pizlo

Reported 2012-06-01 16:13:19 PDT

Patch forthcoming.

Attachments
the patch (11.58 KB, patch) 2012-06-01 16:14 PDT, Filip Pizlo	barraclough: review+	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Filip Pizlo

Comment 1 2012-06-01 16:14:56 PDT

Created attachment 145400 [details] the patch

Filip Pizlo

Comment 2 2012-06-01 16:19:24 PDT

Landed in http://trac.webkit.org/changeset/119299

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