PPC safe534 "SyncsWW Rfe DpdR Fri Rfe SyncsRW Rfe SyncdRR Fre" Cycle=SyncsWW Rfe DpdR Fri Rfe SyncsRW Rfe SyncdRR Fre Relax= Safe=Fri Fre DpdR ACSyncsRW ACSyncdRR BCSyncsWW { 0:r2=y; 0:r5=x; 1:r2=x; 2:r2=x; 2:r4=y; 3:r2=y; } P0 | P1 | P2 | P3 ; lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) | li r1,1 ; xor r3,r1,r1 | sync | sync | stw r1,0(r2) ; lwzx r4,r3,r5 | li r3,2 | lwz r3,0(r4) | sync ; li r6,1 | stw r3,0(r2) | | li r3,2 ; stw r6,0(r5) | | | stw r3,0(r2) ; exists (x=2 /\ y=2 /\ 0:r1=2 /\ 0:r4=0 /\ 1:r1=1 /\ 2:r1=2 /\ 2:r3=0)