PPC safe356 "SyncdWR Fre SyncdWW Rfe SyncdRW Rfe DpsR Fre" Cycle=SyncdWR Fre SyncdWW Rfe SyncdRW Rfe DpsR Fre Relax= Safe=Fre SyncdWR DpsR BCSyncdWW BCSyncdRW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 3:r2=z; 3:r4=x; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) | li r1,2 ; stw r1,0(r2) | sync | xor r3,r1,r1 | stw r1,0(r2) ; sync | li r3,1 | lwzx r4,r3,r2 | sync ; li r3,1 | stw r3,0(r4) | | lwz r3,0(r4) ; stw r3,0(r4) | | | ; exists (z=2 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=1 /\ 3:r3=0)