Test DETOUR1256

PPC DETOUR1256
"LwSyncdWW Wse DetourW PosRR DpDatadW Wse"
Cycle=Wse DetourW PosRR DpDatadW Wse LwSyncdWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse DetourW PosRR DpDatadW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=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      | lwz r4,0(r2) |              ;
 stw r3,0(r4) | xor r5,r4,r4 |              ;
 sync         | addi r5,r5,1 |              ;
 lwz r5,0(r4) | stw r5,0(r6) |              ;
Observed
    0:r5=2; 1:r3=3; x=2;