newlib and h8300s

[Pedro Alves]

Pedro Alves wrote:
> 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.
And it has already been fixed :)
http://gcc.gnu.org/ml/gcc-patches/2006-08/msg00861.html

Someone should close that PR.

Cheers,
Pedro Alves