PPC WRW+WR+sync+lwsyncaa+A "RfeAP SyncdRW WsePA LwSyncdWRAA FreAA" Cycle=RfeAP SyncdRW WsePA LwSyncdWRAA FreAA Prefetch=0:x=T,1:y=W,2:y=F,2:x=T Com=Rf Ws Fr Orig=RfeAP SyncdRW WsePA LwSyncdWRAA FreAA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | li r1,2 ; lwarx %sta,r0,r2 | sync | lwarx %sta,r0,r2 ; stwcx. r1,r0,r2 | li r3,1 | stwcx. r1,r0,r2 ; bne Fail0 | stw r3,0(r4) | bne Fail2 ; b Exit0 | | lwsync ; Fail0: | | lwarx r3,r0,r4 ; li r3,0 | | stwcx. r3,r0,r4 ; stw r3,0(r4) | | bne Fail2 ; Exit0: | | b Exit2 ; | | Fail2: ; | | li r5,0 ; | | stw r5,0(r6) ; | | Exit2: ; exists (ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)