Test DETOUR0278

PPC DETOUR0278
"DpDatadW Rfe DpAddrdW DetourW DpCtrldW Rfe"
Cycle=Rfe DpAddrdW DetourW DpCtrldW Rfe DpDatadW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Rf
Orig=DpDatadW Rfe DpAddrdW DetourW DpCtrldW Rfe
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z; 1:r8=x;
2:r2=z;
}
 P0           | P1            | P2           ;
 lwz r1,0(r2) | lwz r1,0(r2)  | li r1,2      ;
 xor r3,r1,r1 | xor r3,r1,r1  | stw r1,0(r2) ;
 addi r3,r3,1 | li r4,1       |              ;
 stw r3,0(r4) | stwx r4,r3,r5 |              ;
              | lwz r6,0(r5)  |              ;
              | cmpw r6,r6    |              ;
              | beq  LC00     |              ;
              | LC00:         |              ;
              | li r7,1       |              ;
              | stw r7,0(r8)  |              ;
exists
(0:r1=1 /\ 1:r1=1 /\ 1:r6=2)