
PPC lwswr000
"DpdR Fre LwSyncsWR Fre LwSyncsWR DpdR Fre LwSyncsWR Fre LwSyncsWR"
Cycle=DpdR Fre LwSyncsWR Fre LwSyncsWR DpdR Fre LwSyncsWR Fre LwSyncsWR
Relax=LwSyncsWR
Safe=Fre DpdR
{
0:r2=x;
1:r2=x; 1:r6=y;
2:r2=y;
3:r2=y; 3:r6=x;
}
P0 | P1 | P2 | P3 ;
li r1,1 | li r1,2 | li r1,1 | li r1,2 ;
stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) ;
lwsync | lwsync | lwsync | lwsync ;
lwz r3,0(r2) | lwz r3,0(r2) | lwz r3,0(r2) | lwz r3,0(r2) ;
| xor r4,r3,r3 | | xor r4,r3,r3 ;
| lwzx r5,r4,r6 | | lwzx r5,r4,r6 ;
exists
(x=2 /\ y=2 /\ 0:r3=1 /\ 1:r3=2 /\ 1:r5=0 /\ 2:r3=1 /\ 3:r3=2 /\ 3:r5=0)