PPC RWC+ctrlaa+sync "RfePA DpCtrldRAA FreAP SyncdWR Fre" Cycle=RfePA DpCtrldRAA FreAP SyncdWR Fre Prefetch=0:x=T,1:y=T,2:x=T Com=Rf Fr Fr Orig=RfePA DpCtrldRAA FreAP SyncdWR Fre { ok=1; 0:r2=x; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | li r1,1 ; stw r1,0(r2) | stwcx. r1,r0,r2 | stw r1,0(r2) ; | bne Fail1 | sync ; | cmpw r1,r1 | lwz r3,0(r4) ; | beq LC00 | ; | LC00: | ; | lwarx r3,r0,r4 | ; | stwcx. r3,r0,r4 | ; | bne Fail1 | ; | b Exit1 | ; | Fail1: | ; | li r5,0 | ; | stw r5,0(r6) | ; | Exit1: | ; exists (ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 2:r3=0)