newlib and h8300s

[Pedro Alves]

Hi all,

George Gallant wrote:
> Jeff,
>
> The problem is the "C" functions are generated with parameters passed on
> the stack while the "S" functions use registers er0-er3. The default
> 4.1.1 compiler is stack based so the half dozen "S" function calls fail.
> Adding the "-mquickcall" makes my app work with the "S" functions and fail
> with the "C" functions.
>
> My current solution is to generate newlib with "CFLAGS=-mquickcall". Another
> solution (perhaps better) would be to make the default compiler be
> QUICKCALL. As we no not need leading underscores and a compiler tends to be
> used for a long time, compiler mods are ok.
>   
There is gcc PR about this:
http://sources.redhat.com/ml/newlib/2006/msg00152.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24826

Even gdb only supports quickcall, this should really be fixed on the gcc 
side.

Cheers,
Pedro Alves