RESOLVED FIXED 131897
Inline allocate Arguments objects in the DFG
https://bugs.webkit.org/show_bug.cgi?id=131897
Summary Inline allocate Arguments objects in the DFG
Mark Hahnenberg
Reported 2014-04-19 13:56:29 PDT
Many libraries/frameworks depend on the arguments object for overloaded API entry points. This is the first step to making Arguments fast(er). We'll duplicate the logic in Arguments::create for now, and take the slow path for complicated cases like slow arguments, tearing off for strict mode, etc.
Attachments
Patch (12.39 KB, patch)
2014-04-19 13:59 PDT, Mark Hahnenberg
no flags
Patch (11.92 KB, patch)
2014-04-19 14:40 PDT, Mark Hahnenberg
ggaren: review+
Mark Hahnenberg
Comment 1 2014-04-19 13:59:50 PDT
Mark Hahnenberg
Comment 2 2014-04-19 14:40:23 PDT
Mark Hahnenberg
Comment 3 2014-04-19 14:46:04 PDT
This is performance neutral on the benchmarks we track.
Geoffrey Garen
Comment 4 2014-04-19 16:06:02 PDT
Comment on attachment 229748 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=229748&action=review r=me > Source/JavaScriptCore/runtime/Arguments.h:60 > + Revert.
Mark Hahnenberg
Comment 5 2014-04-21 08:12:07 PDT
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