[jsc-dev] PFR: Profiling should detect when multiplication overflows but does not create negative zero [take 2]

Mark Lam mark.lam at apple.com
Tue Jan 5 14:03:08 PST 2016


I’ve fixed the ARMv7 and ARM64 build failures by adding the needed or32 emitters, and I’ve run the JSC tests on them and saw no regression due to this patch.

May I have a review please?  Thanks.


> On Jan 4, 2016, at 9:41 AM, Mark Lam <mark.lam at apple.com> wrote:
> Happy new year.
> Here’s a patch that adds non-Int result, and potential Int52 profiling to mul operations for better type prediction:
> https://bugs.webkit.org/show_bug.cgi?id=132470
> Thanks.
> Mark
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