PPC MP+lwsyncaa+ctrlap "LwSyncdWWAA RfeAA DpCtrldRAP FrePA" Cycle=RfeAA DpCtrldRAP FrePA LwSyncdWWAA Prefetch=1:x=T Com=Rf Fr Orig=LwSyncdWWAA RfeAA DpCtrldRAP FrePA { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; li r1,1 | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | stwcx. r1,r0,r2 ; stwcx. r1,r0,r2 | bne Fail1 ; bne Fail0 | cmpw r1,r1 ; lwsync | beq LC00 ; li r3,1 | LC00: ; lwarx %sta,r0,r4 | lwz r3,0(r4) ; stwcx. r3,r0,r4 | b Exit1 ; bne Fail0 | Fail1: ; b Exit0 | li r5,0 ; Fail0: | stw r5,0(r6) ; li r5,0 | Exit1: ; stw r5,0(r6) | ; Exit0: | ; exists (ok=1 /\ 1:r1=1 /\ 1:r3=0)