Test DETOUR0271

PPC DETOUR0271
"DpDatadW Rfe DpAddrdR Fri Rfi DpCtrldW Rfe"
Cycle=Rfi DpCtrldW Rfe DpDatadW Rfe DpAddrdR Fri
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Rf
Orig=DpDatadW Rfe DpAddrdR Fri Rfi DpCtrldW Rfe
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z; 1:r9=x;
}
 P0           | P1            ;
 lwz r1,0(r2) | lwz r1,0(r2)  ;
 xor r3,r1,r1 | xor r3,r1,r1  ;
 addi r3,r3,1 | lwzx r4,r3,r5 ;
 stw r3,0(r4) | li r6,1       ;
              | stw r6,0(r5)  ;
              | lwz r7,0(r5)  ;
              | cmpw r7,r7    ;
              | beq  LC00     ;
              | LC00:         ;
              | li r8,1       ;
              | stw r8,0(r9)  ;
exists
(0:r1=1 /\ 1:r1=1 /\ 1:r4=0 /\ 1:r7=1)