On Mon, Mar 05, 2007 at 03:44:20AM +0100, Roman Zippel wrote:
> The dataflow porting document mentions other possible, but doesn't mention
> any examples. Anything I might have to look out for regardings the m68k
> post_inc/pre_dec addressing modes?
I have not checked what GCC currently generates for
void mystrcpy (char *dest, char *src)
{
while ((*dest++ = *src++))
;
}
but the loop should compile to (a1 = dest, a0 = src)
Loop:
move.b (a0)+, (a1)+
bne.s Loop
at least for -Os or -mtune=68010.
--
Rask Ingemann Lambertsen
