Test 3.LB+addr+addr+fri+ctrl

PPC 3.LB+addr+addr+fri+ctrl
"DpAddrdW Rfe DpAddrdR Fri Rfe DpCtrldW Rfe"
Prefetch=
Com=Rf Rf Rf
Orig=DpAddrdW Rfe DpAddrdR Fri Rfe DpCtrldW Rfe
{
0:r2=x; 0:r5=y;
1:r2=y; 1:r5=z;
2:r2=z; 2:r4=x;
}
 P0            | P1            | P2           ;
 lwz r1,0(r2)  | lwz r1,0(r2)  | lwz r1,0(r2) ;
 xor r3,r1,r1  | xor r3,r1,r1  | cmpw r1,r1   ;
 li r4,1       | lwzx r4,r3,r5 | beq  LC00    ;
 stwx r4,r3,r5 | li r6,1       | LC00:        ;
               | stw r6,0(r5)  | li r3,1      ;
               |               | stw r3,0(r4) ;
exists
(0:r1=1 /\ 1:r1=1 /\ 1:r4=0 /\ 2:r1=1)