PPC safe278 "SyncdWR Fre LwSyncdWW Rfe SyncsRW Rfe SyncdRW Wse" Cycle=SyncdWR Fre LwSyncdWW Rfe SyncsRW Rfe SyncdRW Wse Relax= Safe=Fre Wse SyncdWR LwSyncdWW ACSyncsRW ACSyncdRW { 0:r2=x; 0:r4=y; 1:r2=y; 2:r2=y; 2:r4=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 | sync | stw r1,0(r2) ; lwsync | li r3,2 | li r3,1 | sync ; li r3,1 | stw r3,0(r2) | stw r3,0(r4) | lwz r3,0(r4) ; stw r3,0(r4) | | | ; Observed 1:r1=0; 2:r1=2; 3:r3=0; y=2; z=2;