Test lwswr000

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 ;
Observed
    0:r3=1; 1:r3=1; 1:r5=0; 2:r3=1; 3:r3=1; 3:r5=2; x=1; y=1;