[Webkit-unassigned] [Bug 74023] Compare and Swap should be enabled on ARMv7

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=74023





--- Comment #3 from Geoffrey Garen <ggaren at apple.com>  2011-12-07 14:23:19 PST ---
(From update of attachment 118265)
View in context: https://bugs.webkit.org/attachment.cgi?id=118265&action=review

> Source/JavaScriptCore/wtf/Atomics.h:140
> +        "strex %1, %4, %0\n\t"

I think you need to test and branch after strex to see if your strex succeeded, no? http://www.doulos.com/knowhow/arm/Hints_and_Tips/Implementing_Semaphores/

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