Test LB+addr+wsi+addr+fri

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