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Re: Registerized function parameters and related things.
On 02-Dec-2002, Fabio Alemagna <falemagn@studenti.unina.it> wrote:
>
> Another reason is to speed up function calling, by putting the libbase in
> a register. Granted, we could do that by using the libbase as 1st
> parameter and using regparm(1), but that would put the libbase in eax,
> whilst I want it to go in ecx because eax should be aliased to d0 (always
> themost common register for 1st function parameters, and also the 1st
> return register, just like eax) and ebx should be aliased to d1, for the
> same reasons (just substitute 1st with 2nd).
Is libbase a global? If so, would GCC's global register variable
extension help here?
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The University of Melbourne | of excellence is a lethal habit"
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