PPC WRC+popa+pora+A "RfeAP PodRWPA RfeAR PodRRRA FreAA" Cycle=RfeAP PodRWPA RfeAR PodRRRA FreAA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfeAP PodRWPA RfeAR PodRRRA FreAA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | li r3,1 | lwarx r3,r0,r4 ; stwcx. r1,r0,r2 | lwarx %sta,r0,r4 | stwcx. r3,r0,r4 ; bne Fail0 | stwcx. r3,r0,r4 | bne Fail2 ; b Exit0 | bne Fail1 | b Exit2 ; Fail0: | b Exit1 | Fail2: ; li r3,0 | Fail1: | li r5,0 ; stw r3,0(r4) | li r5,0 | stw r5,0(r6) ; Exit0: | stw r5,0(r6) | Exit2: ; | Exit1: | ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)