PPC podrwposwr015 "Fre SyncdWW Rfe SyncdRW Rfe DpdR PodRW PosWR" Cycle=Fre SyncdWW Rfe SyncdRW Rfe DpdR PodRW PosWR Relax=[PodRW,PosWR] Safe=Fre DpdR BCSyncdWW BCSyncdRW { 0:r2=a; 0:r4=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r5=z; 2:r7=a; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | sync | xor r3,r1,r1 ; sync | li r3,1 | lwzx r4,r3,r5 ; li r3,1 | stw r3,0(r4) | li r6,1 ; stw r3,0(r4) | | stw r6,0(r7) ; | | lwz r8,0(r7) ; exists (a=2 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r8=1)