PPC WRR+2W+lwsyncap+syncap+A "RfeAA LwSyncdRRAP FrePA SyncdWWAP WsePA" Cycle=RfeAA LwSyncdRRAP FrePA SyncdWWAP WsePA Prefetch=0:x=F,1:y=T,2:x=W Com=Rf Fr Ws Orig=RfeAA LwSyncdRRAP FrePA SyncdWWAP WsePA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,2 | lwarx r1,r0,r2 | li r1,1 ; lwarx %sta,r0,r2 | stwcx. r1,r0,r2 | lwarx %sta,r0,r2 ; stwcx. r1,r0,r2 | bne Fail1 | stwcx. r1,r0,r2 ; bne Fail0 | lwsync | bne Fail2 ; b Exit0 | lwz r3,0(r4) | sync ; Fail0: | b Exit1 | li r3,1 ; li r3,0 | Fail1: | stw r3,0(r4) ; stw r3,0(r4) | li r5,0 | b Exit2 ; Exit0: | stw r5,0(r6) | Fail2: ; | Exit1: | li r5,0 ; | | stw r5,0(r6) ; | | Exit2: ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r3=0)