PPC IRWIW+sync+po "Rfe SyncdRW Wse Rfe PodRW Wse" Cycle=Rfe PodRW Wse Rfe SyncdRW Wse { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 3:r2=y; 3:r4=x; } P0 | P1 | P2 | P3 ; li r1,2 | lwz r1,0(r2) | li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | sync | stw r1,0(r2) | li r3,1 ; | li r3,1 | | stw r3,0(r4) ; | stw r3,0(r4) | | ; Observed 1:r1=1; 3:r1=1; x=1; y=1; and 1:r1=1; 3:r1=1; x=2; y=1; and 1:r1=2; 3:r1=1; x=2; y=1; and 1:r1=1; 3:r1=1; x=1; y=2; and 1:r1=1; 3:r1=1; x=2; y=2; and 1:r1=2; 3:r1=1; x=2; y=2;