Hi,
On Sun, 20 Mar 2011, H.J. Lu wrote:
> I don't think it will help x32 and I think it will make it harder to add
> x32 support. I still want to see a real usage before I add it.
% cat real-world.c
/* intptr_t; what's that? */
union space_saving_htab_element {
void *generic_pointer;
/* Usually we need a long for a pointer, but I just figured out
that on x32 an int is enough and smaller. My program
now needs half as much memory, supi! */
#ifdef __x32__
unsigned int as_number;
#else
unsigned long as_number;
#endif
};
Ciao,
Michael.
PS: Of course you and I wouldn't write such code, but Mikes point was that
there might be some that do. I could probably construct an example where
it would matter for real involving inline asm that for some reason has to
slightly differ depending on x32-ness.
