PPC aclwdrr020
"Fre SyncdWR Fre SyncsWR Fre Rfe LwSyncdRR"
Cycle=Fre SyncdWR Fre SyncsWR Fre Rfe LwSyncdRR
Relax=ACLwSyncdRR
Safe=Fre SyncsWR SyncdWR
{
0:r2=y; 0:r4=x;
1:r2=x;
2:r2=x;
3:r2=x; 3:r4=y;
}
P0 | P1 | P2 | P3 ;
li r1,1 | li r1,1 | li r1,2 | lwz r1,0(r2) ;
stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) | lwsync ;
sync | sync | | lwz r3,0(r4) ;
lwz r3,0(r4) | lwz r3,0(r2) | | ;
exists
(x=2 /\ 0:r3=0 /\ 1:r3=1 /\ 3:r1=2 /\ 3:r3=0)