PPC S+poap+ctrlap "PodWWAP RfePA DpCtrldWAP WsePA" Cycle=RfePA DpCtrldWAP WsePA PodWWAP Prefetch=0:x=F,1:x=W Com=Rf Ws Orig=PodWWAP RfePA DpCtrldWAP WsePA { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; li r1,2 | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | stwcx. r1,r0,r2 ; stwcx. r1,r0,r2 | bne Fail1 ; bne Fail0 | cmpw r1,r1 ; li r3,1 | beq LC00 ; stw r3,0(r4) | LC00: ; b Exit0 | li r3,1 ; Fail0: | stw r3,0(r4) ; li r5,0 | b Exit1 ; stw r5,0(r6) | Fail1: ; Exit0: | li r5,0 ; | stw r5,0(r6) ; | Exit1: ; exists (ok=1 /\ x=2 /\ 1:r1=1)