PPC WRW+WR+addraa+poar "RfePA DpAddrdWAA WseAA PodWRAR FreRP" Cycle=RfePA DpAddrdWAA WseAA PodWRAR FreRP Prefetch=0:x=T,1:y=W,2:y=F,2:x=T Com=Rf Ws Fr Orig=RfePA DpAddrdWAA WseAA PodWRAR FreRP { ok=1; 0:r2=x; 1:r2=x; 1:r5=y; 1:r7=ok; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | li r1,2 ; stw r1,0(r2) | stwcx. r1,r0,r2 | lwarx %sta,r0,r2 ; | bne Fail1 | stwcx. r1,r0,r2 ; | xor r3,r1,r1 | bne Fail2 ; | li r4,1 | lwarx r3,r0,r4 ; | lwarx %sta,r3,r5 | b Exit2 ; | stwcx. r4,r3,r5 | Fail2: ; | bne Fail1 | li r5,0 ; | b Exit1 | stw r5,0(r6) ; | Fail1: | Exit2: ; | li r6,0 | ; | stw r6,0(r7) | ; | Exit1: | ; exists (ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)