PPC bclwdww021 "DpsR Fre LwSyncdWW Rfe DpdR Fre LwSyncdWW Rfe" Cycle=DpsR Fre LwSyncdWW Rfe DpdR Fre LwSyncdWW Rfe Relax=BCLwSyncdWW Safe=Fre DpsR DpdR { 0:r2=z; 0:r4=x; 1:r2=x; 1:r5=y; 2:r2=y; 2:r4=z; 3:r2=z; } P0 | P1 | P2 | P3 ; li r1,2 | lwz r1,0(r2) | li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) | xor r3,r1,r1 ; lwsync | lwzx r4,r3,r5 | lwsync | lwzx r4,r3,r2 ; li r3,1 | | li r3,1 | ; stw r3,0(r4) | | stw r3,0(r4) | ; exists (z=2 /\ 1:r1=1 /\ 1:r4=0 /\ 3:r1=1 /\ 3:r4=1)