PPC IRIW+po+lwsyncpa+AP "RfeAP PodRR Fre Rfe LwSyncdRRPA FreAA" Cycle=RfeAP PodRR Fre Rfe LwSyncdRRPA FreAA Prefetch=0:x=T,1:y=T,2:y=T,3:x=T Com=Rf Fr Rf Fr Orig=RfeAP PodRR Fre Rfe LwSyncdRRPA FreAA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 2:r2=y; 3:r2=y; 3:r4=x; 3:r6=ok; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | li r1,1 | lwz r1,0(r2) ; lwarx %sta,r0,r2 | lwz r3,0(r4) | stw r1,0(r2) | lwsync ; stwcx. r1,r0,r2 | | | lwarx r3,r0,r4 ; bne Fail0 | | | stwcx. r3,r0,r4 ; b Exit0 | | | bne Fail3 ; Fail0: | | | b Exit3 ; li r3,0 | | | Fail3: ; stw r3,0(r4) | | | li r5,0 ; Exit0: | | | stw r5,0(r6) ; | | | Exit3: ; exists (ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1 /\ 3:r3=0)