[fpc-devel] powerpc-linux 2.0 release crash?

Jonas Maebe jonas.maebe at elis.ugent.be
Thu Jan 24 15:41:17 CET 2008


On 24 Jan 2008, at 15:30, Micha Nelissen wrote:

> Jonas Maebe wrote:
>>> It does not include fp instructions that require floating-point  
>>> registers (FPRs). The instructions work on the GPRs instead?
>> No, those instructions simply do not exist.
>
> Well the datasheet gives a list of the instructions that are  
> implemented, e.g. efsadd, efdadd, efvsadd (it even has vector  
> support).

Those are instructions belonging to some specific embedded extension  
(BookE or so). Those instructions do not exist on a regular ppc  
(they're also not altivec instructions).

> I guess the fpu control instructions are missing.

I'm pretty sure all regular fpu instructions are missing.


Jonas



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