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