PPC podrw000 "Wse SyncdWW Rfe PodRW" Cycle=Wse SyncdWW Rfe PodRW Relax=PodRW Safe=Wse BCSyncdWW { 0:r2=y; 0:r4=x; 1:r2=x; 1:r4=y; } P0 | P1 ; li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | li r3,1 ; sync | stw r3,0(r4) ; li r3,1 | ; stw r3,0(r4) | ; Observed 1:r1=1; y=2;