Test DETOUR0551

PPC DETOUR0551
"SyncdWR Fre DetourW DpAddrdW PosWR Fre"
Cycle=Fre DetourW DpAddrdW PosWR Fre SyncdWR
Prefetch=0:x=F,0:y=T,1:y=F,1:x=T
Com=Fr Fr
Orig=SyncdWR Fre DetourW DpAddrdW PosWR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=x;
2:r2=y;
}
 P0           | P1            | P2           ;
 li r1,2      | li r1,1       | li r1,2      ;
 stw r1,0(r2) | stw r1,0(r2)  | stw r1,0(r2) ;
 sync         | lwz r3,0(r2)  |              ;
 lwz r3,0(r4) | xor r4,r3,r3  |              ;
              | li r5,1       |              ;
              | stwx r5,r4,r6 |              ;
              | lwz r7,0(r6)  |              ;
Observed
    0:r3=0; 1:r3=2; 1:r7=2; x=2;
and 0:r3=1; 1:r3=2; 1:r7=2; x=2;