PPC WRR+2W+addrra+lwsync "RfePR DpAddrdRRA FreAP LwSyncdWW Wse" Cycle=RfePR DpAddrdRRA FreAP LwSyncdWW Wse Prefetch=0:x=F,1:y=T,2:x=W Com=Rf Fr Ws Orig=RfePR DpAddrdRRA FreAP LwSyncdWW Wse { ok=1; 0:r2=x; 1:r2=x; 1:r5=y; 1:r7=ok; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | lwarx r1,r0,r2 | li r1,1 ; stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) ; | lwarx r4,r3,r5 | lwsync ; | stwcx. r4,r3,r5 | li r3,1 ; | bne Fail1 | stw r3,0(r4) ; | b Exit1 | ; | Fail1: | ; | li r6,0 | ; | stw r6,0(r7) | ; | Exit1: | ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r4=0)