Test rfe006

PPC rfe006
"DpdR Fre Rfe DpdR Fre Rfe"
Cycle=DpdR Fre Rfe DpdR Fre Rfe
Relax=Rfe
Safe=Fre DpdR
{
0:r2=x; 0:r5=y;
1:r2=y;
2:r2=y; 2:r5=x;
3:r2=x;
}
 P0            | P1           | P2            | P3           ;
 lwz r1,0(r2)  | li r1,1      | lwz r1,0(r2)  | li r1,1      ;
 xor r3,r1,r1  | stw r1,0(r2) | xor r3,r1,r1  | stw r1,0(r2) ;
 lwzx r4,r3,r5 |              | lwzx r4,r3,r5 |              ;
exists
(0:r1=1 /\ 0:r4=0 /\ 2:r1=1 /\ 2:r4=0)