Test RWC+addr+rfi-addr

PPC RWC+addr+rfi-addr
"Rfe DpAddrdR Fre Rfi DpAddrdR Fre"
Prefetch=0:x=T,1:y=T,2:x=T
Com=Rf Fr Fr
Orig=Rfe DpAddrdR Fre Rfi DpAddrdR Fre
{
0:r2=x;
1:r2=x; 1:r5=y;
2:r2=y; 2:r6=x;
}
 P0           | P1            | P2            ;
 li r1,1      | lwz r1,0(r2)  | li r1,1       ;
 stw r1,0(r2) | xor r3,r1,r1  | stw r1,0(r2)  ;
              | lwzx r4,r3,r5 | lwz r3,0(r2)  ;
              |               | xor r4,r3,r3  ;
              |               | lwzx r5,r4,r6 ;
exists
(1:r1=1 /\ 1:r4=0 /\ 2:r3=1 /\ 2:r5=0)