Re: PowerPC prologue and epilogue 4

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.        

PowerPC prologue and epilogue 4

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. diff -urp