Heinz Haeberle wrote:
>
> .... I remember the discussion in Vienna about integer overrun! It sounds like it!
>
> I Paolo is correct if you talk about a view (desktop) systems. But the embedded
> world
> is often using exactly the same software many times. It's a matter of calculation
> now.
> To anybody who remembers the discussion in Vienna about the integer values I want
> to say:
> Especially we - as embedded programmers - should spend much time in these kind of
> things.
> But not all of us are producing code for more then 10 devices.
OK I apologize of missing a whole word of applications.
But I still want to remind you to the discussion of 3 years ago, when we
all had problem with FP support under RTL and my variant to it. The
discussion ended in asking for not reinventing the wheel, but just
adapting the FP emulation available in the kernel. I think it is still a
way worth going, at least if you have hard 32 bit integer operations,
which seems the case for all Linux ports.
When I looked at it I remember that it was not so simple, but at least
all the ingredients where there. So my suggestion remains: use and adapt
the code from the kernel FPU emulation for your CPU, if you need it.
Ciao, Paolo.
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