PPC WRR+2W+lwsyncrp+lwsyncaa "RfePR LwSyncdRRRP FrePA LwSyncdWWAA WseAP" Cycle=RfePR LwSyncdRRRP FrePA LwSyncdWWAA WseAP Prefetch=0:x=F,1:y=T,2:x=W Com=Rf Fr Ws Orig=RfePR LwSyncdRRRP FrePA LwSyncdWWAA WseAP { ok=1; 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,2 | lwarx r1,r0,r2 | li r1,1 ; stw r1,0(r2) | lwsync | lwarx %sta,r0,r2 ; | lwz r3,0(r4) | stwcx. r1,r0,r2 ; | | bne Fail2 ; | | lwsync ; | | li r3,1 ; | | lwarx %sta,r0,r4 ; | | stwcx. r3,r0,r4 ; | | bne Fail2 ; | | b Exit2 ; | | Fail2: ; | | li r5,0 ; | | stw r5,0(r6) ; | | Exit2: ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r3=0)