Bug 165523

Summary: [JSC] Optimize in operation
Product: WebKit Reporter: Yusuke Suzuki <ysuzuki>
Component: JavaScriptCoreAssignee: Yusuke Suzuki <ysuzuki>
Status: NEW    
Severity: Normal CC: fpizlo, saam
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch none

Yusuke Suzuki
Reported 2016-12-07 04:06:42 PST
...
Attachments
Patch (30.13 KB, patch)
2016-12-08 00:56 PST, Yusuke Suzuki 		no flags
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Yusuke Suzuki
Comment 1 2016-12-08 00:56:20 PST
Created attachment 296505 [details] Patch WIP: Very early stage. But this patch already improves ES6SampleBench/Basic 9% in steady state: 10.53ms vs 9.65ms
Yusuke Suzuki
Comment 2 2016-12-08 02:55:49 PST
I'll merge the current one to HasIndexedProperty. In my plan, I'll convert In operation to HasIndexedProperty with flag in Fixup phase. (when we speculate the argument as SpecInt32Only).
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