PPC MP+lwsyncpa+ctrlrp "LwSyncdWWPA RfeAR DpCtrldRRP Fre" Cycle=RfeAR DpCtrldRRP Fre LwSyncdWWPA Prefetch=1:x=T Com=Rf Fr Orig=LwSyncdWWPA RfeAR DpCtrldRRP Fre { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=x; } P0 | P1 ; li r1,1 | lwarx r1,r0,r2 ; stw r1,0(r2) | cmpw r1,r1 ; lwsync | beq LC00 ; li r3,1 | LC00: ; lwarx %sta,r0,r4 | lwz r3,0(r4) ; stwcx. r3,r0,r4 | ; bne Fail0 | ; b Exit0 | ; Fail0: | ; li r5,0 | ; stw r5,0(r6) | ; Exit0: | ; exists (ok=1 /\ 1:r1=1 /\ 1:r3=0)