PPC WRC+pora+addr "RfePR PodRWRA RfeAP DpAddrdR Fre" Cycle=RfeAP DpAddrdR Fre RfePR PodRWRA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfePR PodRWRA RfeAP DpAddrdR Fre { ok=1; 0:r2=x; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r5=x; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | lwz r1,0(r2) ; stw r1,0(r2) | li r3,1 | xor r3,r1,r1 ; | lwarx %sta,r0,r4 | lwzx r4,r3,r5 ; | stwcx. r3,r0,r4 | ; | bne Fail1 | ; | b Exit1 | ; | Fail1: | ; | li r5,0 | ; | stw r5,0(r6) | ; | Exit1: | ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=0)