On Tue, Apr 17, 2012 at 11:13 AM, Alan Modra <amo...@gmail.com> wrote: > This provides some protection against misuse of r0, r11 and r12. I > found it useful when enabling out-of-line saves for large frames. ;-) > > * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define. > (rs6000_emit_prologue): Use the above to catch register overlap.
This patch is okay. Thanks, David