[Webkit-unassigned] [Bug 116306] MacroAssemblerARM should use xor to swap registers instead of move

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=116306


Benjamin Poulain <benjamin at webkit.org> changed:

           What    |Removed                     |Added
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                 CC|                            |benjamin at webkit.org




--- Comment #5 from Benjamin Poulain <benjamin at webkit.org>  2013-05-27 20:55:38 PST ---
(In reply to comment #1)
> Maybe we should consider to make this change on ARMv7 as well.

I think we should not.
ARMv7 has register aliasing, making "mov" essentially free in most situation.

Does the bug exist on ARMv7 though?

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