[Webkit-unassigned] [Bug 67993] Prediction tracking is not precise enough
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Sep 14 12:03:01 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=67993
--- Comment #11 from Filip Pizlo <fpizlo at apple.com> 2011-09-14 12:03:01 PST ---
(In reply to comment #9)
> Based on your explanation, I think something like this would help:
>
> +static const PredictedType PredictObjectMask = 0x003f; // Bitmask used for testing for any kind of object prediction.
> +static const PredictedType PredictFinalObject = 0x0001; // It's definitely a JSFinalObject.
> +static const PredictedType PredictArray = 0x0002; // It's definitely a JSArray.
> +static const PredictedType PredictObjectOther = 0x0010; // It's definitely an object other than JSFinalObject or JSArray.
> +static const PredictedType PredictObjectUnknown = 0x0020; // It's definitely an object, but we didn't record enough information to know more.
Yeah, that's better. I'll make that change and then land.
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