PPC S+popa+syncpa "PodWWPA RfeAP SyncdRWPA WseAP" Cycle=RfeAP SyncdRWPA WseAP PodWWPA Prefetch=0:x=F,1:x=W Com=Rf Ws Orig=PodWWPA RfeAP SyncdRWPA WseAP { 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 | lwz r1,0(r2) ; stw r1,0(r2) | sync ; li r3,1 | li r3,1 ; lwarx %sta,r0,r4 | lwarx %sta,r0,r4 ; stwcx. r3,r0,r4 | stwcx. r3,r0,r4 ; bne Fail0 | 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)