[Webkit-unassigned] [Bug 69717] Fix value profiling in 32_64 JIT

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69717





--- Comment #2 from Filip Pizlo <fpizlo at apple.com>  2011-10-09 01:29:00 PST ---
(From update of attachment 110292)
View in context: https://bugs.webkit.org/attachment.cgi?id=110292&action=review

It would be great to see the performance impact, if any, on JSVALUE64 and JSVALUE32_64.

> Source/JavaScriptCore/bytecode/ValueProfile.cpp:64
> +        if (!value) {

Have you made sure that these changes don't perturb SunSpider, V8, and Kraken performance on JSVALUE64?

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