Test MP+sync+ctrl-detw-addr

PPC MP+sync+ctrl-detw-addr
"SyncdWW Rfe DpCtrldW DetourW DpAddrdR Fre"
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=SyncdWW Rfe DpCtrldW DetourW DpAddrdR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z; 1:r8=x;
2:r2=z;
}
 P0           | P1            | P2           ;
 li r1,1      | lwz r1,0(r2)  | li r1,2      ;
 stw r1,0(r2) | cmpw r1,r1    | stw r1,0(r2) ;
 sync         | beq  LC00     |              ;
 li r3,1      | LC00:         |              ;
 stw r3,0(r4) | li r3,1       |              ;
              | stw r3,0(r4)  |              ;
              | lwz r5,0(r4)  |              ;
              | xor r6,r5,r5  |              ;
              | lwzx r7,r6,r8 |              ;
Observed
    1:r1=1; 1:r5=2; 1:r7=0; z=2;