Bug 153579

Summary: [JSC] B3 Tail Call with Varargs do not restore callee saved registers
Product: WebKit Reporter: Benjamin Poulain <benjamin>
Component: AccessibilityAssignee: Benjamin Poulain <benjamin>
Status: RESOLVED FIXED    
Severity: Normal CC: commit-queue, keith_miller, mark.lam, msaboff, rniwa, saam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch none

Benjamin Poulain
Reported 2016-01-27 20:07:25 PST
[JSC] B3 Tail Call with Varargs do not restore callee saved registers
Attachments
Patch (1.86 KB, patch)
2016-01-27 20:09 PST, Benjamin Poulain 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Benjamin Poulain
Comment 1 2016-01-27 20:09:56 PST
Created attachment 270080 [details] Patch
Michael Saboff
Comment 2 2016-01-27 20:28:13 PST
Comment on attachment 270080 [details] Patch r=me
Radar WebKit Bug Importer
Comment 3 2016-01-27 20:28:32 PST
<rdar://problem/24383137>
WebKit Commit Bot
Comment 4 2016-01-28 00:52:52 PST
Comment on attachment 270080 [details] Patch Clearing flags on attachment: 270080 Committed r195734: <http://trac.webkit.org/changeset/195734>
WebKit Commit Bot
Comment 5 2016-01-28 00:52:56 PST
All reviewed patches have been landed. Closing bug.
Ryosuke Niwa
Comment 6 2016-01-29 17:54:35 PST
Looks like this fix annihilated 7% win on Speedometer from enabling B3 :(
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