PPC MP+po+ctrlap "PodWW RfePA DpCtrldRAP Fre" Cycle=RfePA DpCtrldRAP Fre PodWW Prefetch=1:x=T Com=Rf Fr Orig=PodWW RfePA DpCtrldRAP Fre { ok=1; 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; li r1,1 | lwarx r1,r0,r2 ; stw r1,0(r2) | stwcx. r1,r0,r2 ; li r3,1 | bne Fail1 ; stw r3,0(r4) | cmpw r1,r1 ; | beq LC00 ; | LC00: ; | lwz r3,0(r4) ; | b Exit1 ; | Fail1: ; | li r5,0 ; | stw r5,0(r6) ; | Exit1: ; exists (ok=1 /\ 1:r1=1 /\ 1:r3=0)