PPC WWC+po+addrrp+A "RfeAP PodRW RfePR DpAddrdWRP WsePA" Cycle=RfeAP PodRW RfePR DpAddrdWRP WsePA Prefetch=0:x=F,2:x=W Com=Rf Rf Ws Orig=RfeAP PodRW RfePR DpAddrdWRP WsePA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 2:r2=y; 2:r5=x; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | li r3,1 | xor r3,r1,r1 ; stwcx. r1,r0,r2 | stw r3,0(r4) | li r4,1 ; bne Fail0 | | stwx r4,r3,r5 ; b Exit0 | | ; Fail0: | | ; li r3,0 | | ; stw r3,0(r4) | | ; Exit0: | | ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)