libffi & powerpc

[Patrick Olinet]

>  > I thought that fpu emulation worked by trapping cpu exceptions when a
>  > fpu instruction is being executed and then emulating this instruction
>  > on software level.
>
> Yes.
>
>  > Isn't the mechanism implemented by the "--with-float=soft" option ?
>
> No.  FPU emulation requires no special compile-time options.  The
> whole idea is that it runs the same code as native FP.
>
> In contrast, soft-float generates inline subroutine calls for all
> floating-point operations.

ok, I get it. So, is there a way to add fpu emulation emulation to my
platform without having to change anything to my native binary code ?

Patrick