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Re: PING: PATCH: PR middle-end/37843:[4.4 Regression] unaligned stack in maindue to tail call optimizatiP


On Wed, Nov 26, 2008 at 06:50:08AM -0800, H.J. Lu wrote:
> 
> Darwin doesn't support sibcall. I am checking it to mark them Linux
> only.
> 
> 
> H.J.

H.J.,
    Could you expand on that comment? Is the problem with sibcall on
Darwin that FSF gcc doesn't have the proper darwin specific changes
to implement sibcall or is the problem that the darwin assembler or
linker from Xcode doesn't properly support sibcall? If the problem is
the latter, we could submit a radar bug report asking for sibcall
support to be implemented in the cctools of Snow Leopard.
               Jack


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