PPC acsdrw023 "Wse SyncdWW Wse Rfe SyncdRW" Cycle=Wse SyncdWW Wse Rfe SyncdRW Relax=ACSyncdRW Safe=Wse SyncdWW { 0:r2=y; 0:r4=x; 1:r2=x; 2:r2=x; 2:r4=y; } P0 | P1 | P2 ; li r1,2 | li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | stw r1,0(r2) | sync ; sync | | li r3,1 ; li r3,1 | | stw r3,0(r4) ; stw r3,0(r4) | | ; exists (x=2 /\ y=2 /\ 2:r1=2)