PPC WWC+lwsyncpa+porp+A "RfeAP LwSyncdRWPA RfeAR PodRWRP WsePA" Cycle=RfeAP LwSyncdRWPA RfeAR PodRWRP WsePA Prefetch=0:x=F,2:x=W Com=Rf Rf Ws Orig=RfeAP LwSyncdRWPA RfeAR PodRWRP WsePA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | lwsync | li r3,1 ; stwcx. r1,r0,r2 | li r3,1 | stw r3,0(r4) ; bne Fail0 | lwarx %sta,r0,r4 | ; b Exit0 | stwcx. r3,r0,r4 | ; Fail0: | bne Fail1 | ; li r3,0 | b Exit1 | ; stw r3,0(r4) | Fail1: | ; Exit0: | li r5,0 | ; | stw r5,0(r6) | ; | Exit1: | ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)