Test DETOUR0220

PPC DETOUR0220
"DpDatadW Rfe PosRR Fri Rfi DpAddrdW Rfe"
Cycle=Rfi DpAddrdW Rfe DpDatadW Rfe PosRR Fri
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Rf
Orig=DpDatadW Rfe PosRR Fri Rfi DpAddrdW Rfe
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r8=x;
}
 P0           | P1            ;
 lwz r1,0(r2) | lwz r1,0(r2)  ;
 xor r3,r1,r1 | lwz r3,0(r2)  ;
 addi r3,r3,1 | li r4,2       ;
 stw r3,0(r4) | stw r4,0(r2)  ;
              | lwz r5,0(r2)  ;
              | xor r6,r5,r5  ;
              | li r7,1       ;
              | stwx r7,r6,r8 ;
exists
(0:r1=1 /\ 1:r1=1 /\ 1:r3=1 /\ 1:r5=2)