PPC S+poap+lwsyncra "PodWWAP RfePR LwSyncdRWRA WseAA" Cycle=RfePR LwSyncdRWRA WseAA PodWWAP Prefetch=0:x=F,1:x=W Com=Rf Ws Orig=PodWWAP RfePR LwSyncdRWRA WseAA { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; li r1,2 | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | lwsync ; stwcx. r1,r0,r2 | li r3,1 ; bne Fail0 | lwarx %sta,r0,r4 ; li r3,1 | stwcx. r3,r0,r4 ; stw r3,0(r4) | bne Fail1 ; b Exit0 | b Exit1 ; Fail0: | Fail1: ; li r5,0 | li r5,0 ; stw r5,0(r6) | stw r5,0(r6) ; Exit0: | Exit1: ; exists (ok=1 /\ x=2 /\ 1:r1=1)