PPC safe033 "LwSyncdWW Wse SyncdWW Rfe SyncdRW Rfe DpdW Wse" Cycle=LwSyncdWW Wse SyncdWW Rfe SyncdRW Rfe DpdW Wse Relax= Safe=Wse LwSyncdWW DpdW BCSyncdWW BCSyncdRW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r5=a; 3:r2=a; 3:r4=x; } P0 | P1 | P2 | P3 ; li r1,2 | 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 | li r4,1 | lwsync ; li r3,1 | stw r3,0(r4) | stwx r4,r3,r5 | li r3,1 ; stw r3,0(r4) | | | stw r3,0(r4) ; exists (a=2 /\ x=2 /\ 1:r1=1 /\ 2:r1=1)