Test rfi001

PPC rfi001
"DpdW Wse Rfi DpdR Fre Rfi"
Cycle=DpdW Wse Rfi DpdR Fre Rfi
Relax=Rfi
Safe=Fre Wse DpdW DpdR
{
0:r2=x; 0:r6=y;
1:r2=y; 1:r6=x;
}
 P0            | P1            ;
 li r1,2       | li r1,1       ;
 stw r1,0(r2)  | stw r1,0(r2)  ;
 lwz r3,0(r2)  | lwz r3,0(r2)  ;
 xor r4,r3,r3  | xor r4,r3,r3  ;
 lwzx r5,r4,r6 | li r5,1       ;
               | stwx r5,r4,r6 ;
exists
(x=2 /\ 0:r3=2 /\ 0:r5=0 /\ 1:r3=1)