[U-Boot-Users] PPC440 Floating point?

[Wolfgang Denk]

In message <NCBBIIOPCEBAMFLLKKBKCEDNCGAA.RL at prodrive.nl> you wrote:
> 
> We are planning to use the PPC440 but,
> I wan't to use floating point calculations on a PPC440,
> since this processor has no FPU, it not as easy I guess?

It's easy if you can live with the poor performance youwill get  with
software floating point.

> - What do I need to do floating point calculations?

Nothing special.

> - Does the GNU compiler support this feature?

If it is configured, correctly, yes. You  can  use  our  ELDK,  which
supports this.

> - Can I find documentation upon the power (CPU Cycles) needed to do a single
> 'add' or 'multiply'?

You do not really want  to  know  this.  It  is  a  very  frustrating
experience.

Best regards,

Wolfgang Denk

-- 
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