PPC IRRWIW+po+addr "Rfe PodRR Fre Rfe DpAddrdW Wse" Cycle=Rfe PodRR Fre Rfe DpAddrdW Wse { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 3:r2=y; 3:r5=x; } P0 | P1 | P2 | P3 ; li r1,2 | lwz r1,0(r2) | li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | lwz r3,0(r4) | stw r1,0(r2) | xor r3,r1,r1 ; | | | li r4,1 ; | | | stwx r4,r3,r5 ; exists (x=2 /\ 1:r1=2 /\ 1:r3=0 /\ 3:r1=1)