Test aclwsrr000

PPC aclwsrr000
"DpdR Fre SyncdWW Wse Rfe LwSyncsRR"
Cycle=DpdR Fre SyncdWW Wse Rfe LwSyncsRR
Relax=ACLwSyncsRR
Safe=Fre Wse SyncdWW DpdR
{
0:r2=x; 0:r4=y;
1:r2=y;
2:r2=y; 2:r6=x;
}
 P0           | P1           | P2            ;
 li r1,1      | li r1,2      | lwz r1,0(r2)  ;
 stw r1,0(r2) | stw r1,0(r2) | lwsync        ;
 sync         |              | lwz r3,0(r2)  ;
 li r3,1      |              | xor r4,r3,r3  ;
 stw r3,0(r4) |              | lwzx r5,r4,r6 ;
Observed
    2:r1=0; 2:r3=2; 2:r5=0; y=2;