Test 3.LB+addr+addr+wsi+addr

PPC 3.LB+addr+addr+wsi+addr
"DpAddrdW Rfe DpAddrdW Wsi Rfe DpAddrdW Rfe"
Prefetch=
Com=Rf Rf Rf
Orig=DpAddrdW Rfe DpAddrdW Wsi Rfe DpAddrdW Rfe
{
0:r2=x; 0:r5=y;
1:r2=y; 1:r5=z;
2:r2=z; 2:r5=x;
}
 P0            | P1            | P2            ;
 lwz r1,0(r2)  | lwz r1,0(r2)  | lwz r1,0(r2)  ;
 xor r3,r1,r1  | xor r3,r1,r1  | xor r3,r1,r1  ;
 li r4,1       | li r4,1       | li r4,1       ;
 stwx r4,r3,r5 | stwx r4,r3,r5 | stwx r4,r3,r5 ;
               | li r6,2       |               ;
               | stw r6,0(r5)  |               ;
exists
(z=2 /\ 0:r1=1 /\ 1:r1=1 /\ 2:r1=2)