Test LB+addr+fri+data

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