PPC RWC+addrpr+sync+A "RfeAP DpAddrdRPR FreRP SyncdWR FrePA" Cycle=RfeAP DpAddrdRPR FreRP SyncdWR FrePA Prefetch=0:x=T,1:y=T,2:x=T Com=Rf Fr Fr Orig=RfeAP DpAddrdRPR FreRP SyncdWR FrePA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r5=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | li r1,1 ; lwarx %sta,r0,r2 | xor r3,r1,r1 | stw r1,0(r2) ; stwcx. r1,r0,r2 | lwarx r4,r3,r5 | sync ; bne Fail0 | | lwz r3,0(r4) ; b Exit0 | | ; Fail0: | | ; li r3,0 | | ; stw r3,0(r4) | | ; Exit0: | | ; exists (ok=1 /\ 1:r1=1 /\ 1:r4=0 /\ 2:r3=0)