http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47442
--- Comment #5 from Joel Sherrill <joel at gcc dot gnu.org> 2011-01-25 18:15:41
UTC ---
(In reply to comment #4)
> The alternative ABI is just slightly different. When using the 68881,
> floating
> point values are returned in %fp0. When not using it, floating point values
> are returned in %d0 or %d0/%d1.
I think I have implemented single and double precision soft float support.
How is extended float returned?
#if defined(__MC68681__)
fmove.x %fp0,(%a1)
#endif
The only other issue in sysv.S is using tst.l %aX which is not supported on a
mc68000. I just used a cmp.l %aX,#0.
