PPC WRW+WR+lwsyncaa+lwsyncap+A "RfeAA LwSyncdRWAA WseAA LwSyncdWRAP FrePA" Cycle=RfeAA LwSyncdRWAA WseAA LwSyncdWRAP FrePA Prefetch=0:x=T,1:y=W,2:y=F,2:x=T Com=Rf Ws Fr Orig=RfeAA LwSyncdRWAA WseAA LwSyncdWRAP FrePA { 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 r1,1 | lwarx r1,r0,r2 | li r1,2 ; 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 | li r3,1 | lwsync ; Fail0: | lwarx %sta,r0,r4 | lwz r3,0(r4) ; li r3,0 | stwcx. r3,r0,r4 | b Exit2 ; stw r3,0(r4) | bne Fail1 | Fail2: ; Exit0: | b Exit1 | li r5,0 ; | Fail1: | stw r5,0(r6) ; | li r5,0 | Exit2: ; | stw r5,0(r6) | ; | Exit1: | ; exists (ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)