PPC podrwposwr023 "DpdR Fre SyncdWW Rfe PodRW PosWR" Cycle=DpdR Fre SyncdWW Rfe PodRW PosWR Relax=[PodRW,PosWR] Safe=Fre DpdR BCSyncdWW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 1:r8=x; } P0 | P1 ; li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | li r3,1 ; sync | stw r3,0(r4) ; li r3,1 | lwz r5,0(r4) ; stw r3,0(r4) | xor r6,r5,r5 ; | lwzx r7,r6,r8 ; exists (1:r1=1 /\ 1:r7=0)