[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [MiNT] GCC return register

On 11/15/11 22:46, Vincent Rivière wrote:
> Alan Hourihane wrote:
>> What was the outcome of this topic as I can't see what happened in my
>> thread archives.
>
> Finally we chose the compatible way:
> - integers are returned into d0
> - pointers are returned into d0 (not a0)
> - float/doubles are returned into d0/d1 (not fp0)
>
> The above applies to m6800/m68020-60/m5475.
> So mixing the libraries is now compatible (while not recommended). The
> only exception is the "long double" type for ColdFire.
>
> The rule above is consistently used in the GCC libs, the MiNTLib and
> PML. As a result POV-Ray (as a testcase) works fine when compiled for
> the 3 targets.
>
O.k. thanks Vincent !

Alan.