Run propagate-sync-coherence in model, using ppcmem
PPC propagate-sync-coherence "propagate-sync-coherence" { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=x; 3:r2=y; 3:r5=x; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | li r1,2 | lwz r1,0(r5) ; stw r1,0(r2) | sync | stw r1,0(r2) | xor r3,r1,r1 ; | li r5,1 | | lwzx r4,r3,r2 ; | stw r5,0(r4) | | ; exists (1:r1=1 /\ 3:r1=2 /\ 3:r4=1 /\ x=2)