On Sat, 22 Jul 2006, Florian Klaempfl wrote:
> Michael Van Canneyt wrote:
> >> I think Carlo said sometime ago on the ROPS newsgroup that assembler is
> >> used
> >> mostly for maintaining the call stack. In fact I don't think anything done
> >> using assembler can't be done with normal Pascal code (if necessery it can
> >> call into a unit of low-level primitives that will be implemend in
> >> assembler, but those primitives would be easily portable among various CPU
> >> architectures)
> >
> > That is exactly what it does: there are 1 or 2 assembler routines, to
> > create a
> > correct call stack. You can't do this in Pascal. These 2 routines would be
> > the
> > only thing you need to port accross CPUs...
>
> That's exactly the problem. Building such kind of stack frame to pass
> parameters is simply not possible on other CPUs because they use usually
> a much more complicated ABI involving registers etc.
If the compiler can do it, why shouldn't someone else be able to do it ?
For instance AMD64 should be possible, no ?
Michael.
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