Test ISA2+sync+addr+fri+ctrlisync

PPC ISA2+sync+addr+fri+ctrlisync
"SyncdWW Rfe DpAddrdR Fri Rfe DpCtrlIsyncdR Fre"
Prefetch=2:x=T
Com=Rf Rf Fr
Orig=SyncdWW Rfe DpAddrdR Fri Rfe DpCtrlIsyncdR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z;
2:r2=z; 2:r4=x;
}
 P0           | P1            | P2           ;
 li r1,1      | lwz r1,0(r2)  | lwz r1,0(r2) ;
 stw r1,0(r2) | xor r3,r1,r1  | cmpw r1,r1   ;
 sync         | lwzx r4,r3,r5 | beq  LC00    ;
 li r3,1      | li r6,1       | LC00:        ;
 stw r3,0(r4) | stw r6,0(r5)  | isync        ;
              |               | lwz r3,0(r4) ;
exists
(1:r1=1 /\ 1:r4=0 /\ 2:r1=1 /\ 2:r3=0)