Test DETOUR1254

PPC DETOUR1254
"LwSyncdWW Wse DetourW DpAddrdR DpDatadW Wse"
Cycle=Wse DetourW DpAddrdR DpDatadW Wse LwSyncdWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse DetourW DpAddrdR DpDatadW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=z; 1:r8=x;
2:r2=y;
}
 P0           | P1            | P2           ;
 li r1,2      | li r1,2       | li r1,3      ;
 stw r1,0(r2) | stw r1,0(r2)  | stw r1,0(r2) ;
 lwsync       | lwz r3,0(r2)  |              ;
 li r3,1      | xor r4,r3,r3  |              ;
 stw r3,0(r4) | lwzx r5,r4,r6 |              ;
 sync         | xor r7,r5,r5  |              ;
 lwz r5,0(r4) | addi r7,r7,1  |              ;
              | stw r7,0(r8)  |              ;
Observed
    0:r5=3; 1:r3=3; x=2;