PPC WRR+2W+lwsyncra+po+A "RfeAR LwSyncdRRRA FreAP PodWW WsePA" Cycle=RfeAR LwSyncdRRRA FreAP PodWW WsePA Prefetch=0:x=F,1:y=T,2:x=W Com=Rf Fr Ws Orig=RfeAR LwSyncdRRRA FreAP PodWW 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 | lwarx r1,r0,r2 | li r1,1 ; lwarx %sta,r0,r2 | lwsync | stw r1,0(r2) ; stwcx. r1,r0,r2 | lwarx r3,r0,r4 | li r3,1 ; bne Fail0 | stwcx. r3,r0,r4 | stw r3,0(r4) ; b Exit0 | bne Fail1 | ; Fail0: | b Exit1 | ; li r3,0 | Fail1: | ; stw r3,0(r4) | li r5,0 | ; Exit0: | stw r5,0(r6) | ; | Exit1: | ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r3=0)