Test MP+rfi-addr+addr

PPC MP+rfi-addr+addr
"Rfi DpAddrdW Rfe DpAddrdR Fre"
Prefetch=1:x=T
Com=Rf Fr
Orig=Rfi DpAddrdW Rfe DpAddrdR Fre
{
0:r2=x; 0:r6=y;
1:r2=y; 1:r5=x;
}
 P0            | P1            ;
 li r1,1       | lwz r1,0(r2)  ;
 stw r1,0(r2)  | xor r3,r1,r1  ;
 lwz r3,0(r2)  | lwzx r4,r3,r5 ;
 xor r4,r3,r3  |               ;
 li r5,1       |               ;
 stwx r5,r4,r6 |               ;
exists
(0:r3=1 /\ 1:r1=1 /\ 1:r4=0)