PPC LB+addrpa+popa "DpAddrdWPA RfeAP PodRWPA RfeAP" Cycle=RfeAP PodRWPA RfeAP DpAddrdWPA Prefetch= Com=Rf Rf Orig=DpAddrdWPA RfeAP PodRWPA RfeAP { ok=1; 0:r2=x; 0:r5=y; 0:r7=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; lwz r1,0(r2) | lwz r1,0(r2) ; xor r3,r1,r1 | li r3,1 ; li r4,1 | lwarx %sta,r0,r4 ; lwarx %sta,r3,r5 | stwcx. r3,r0,r4 ; stwcx. r4,r3,r5 | bne Fail1 ; bne Fail0 | b Exit1 ; b Exit0 | Fail1: ; Fail0: | li r5,0 ; li r6,0 | stw r5,0(r6) ; stw r6,0(r7) | Exit1: ; Exit0: | ; exists (ok=1 /\ 0:r1=1 /\ 1:r1=1)