[Webkit-unassigned] [Bug 131515] Inlining native functions into the JavaScript in the FTL

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=131515





--- Comment #14 from Filip Pizlo <fpizlo at apple.com>  2014-04-17 16:03:13 PST ---
(From update of attachment 229589)
View in context: https://bugs.webkit.org/attachment.cgi?id=229589&action=review

Have you done performance measurements?  Have you run-javascriptcore-tests?  Have you run-webkit-tests?

> Source/JavaScriptCore/ftl/FTLLowerDFGToLLVM.cpp:3512
> +                if (++instructionCount >= 275)

You should turn 275 into an Options::maximumLLVMInstructionCountForNativeInlining().  See runtime/Options.h.  Add a new option there and make 275 the default.

Where does 275 come from?

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