Test ISA2+sync+data+wsi+addr

PPC ISA2+sync+data+wsi+addr
"SyncdWW Rfe DpDatadW Wsi Rfe DpAddrdR Fre"
Prefetch=2:x=T
Com=Rf Rf Fr
Orig=SyncdWW Rfe DpDatadW Wsi Rfe DpAddrdR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z;
2:r2=z; 2:r5=x;
}
 P0           | P1           | P2            ;
 li r1,1      | lwz r1,0(r2) | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1 | xor r3,r1,r1  ;
 sync         | addi r3,r3,1 | lwzx r4,r3,r5 ;
 li r3,1      | stw r3,0(r4) |               ;
 stw r3,0(r4) | li r5,2      |               ;
              | stw r5,0(r4) |               ;
exists
(z=2 /\ 1:r1=1 /\ 2:r1=2 /\ 2:r4=0)