PPC bclwsrw011 "DpdR LwSyncsRW Rfe LwSyncsRR DpdR LwSyncsRW Rfe LwSyncsRW Rfe" Cycle=DpdR LwSyncsRW Rfe LwSyncsRR DpdR LwSyncsRW Rfe LwSyncsRW Rfe Relax=BCLwSyncsRW Safe=LwSyncsRR DpdR { 0:r2=x; 0:r6=y; 1:r2=y; 2:r2=y; 2:r5=x; } P0 | P1 | P2 ; lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) ; lwsync | lwsync | xor r3,r1,r1 ; lwz r3,0(r2) | li r3,2 | lwzx r4,r3,r5 ; xor r4,r3,r3 | stw r3,0(r2) | lwsync ; lwzx r5,r4,r6 | | li r6,1 ; lwsync | | stw r6,0(r5) ; li r7,1 | | ; stw r7,0(r6) | | ; exists (y=2 /\ 0:r1=1 /\ 0:r3=1 /\ 0:r5=0 /\ 1:r1=1 /\ 2:r1=2 /\ 2:r4=0)