Test RWC+ctrlisync+sync

PPC RWC+ctrlisync+sync
"Rfe DpCtrlIsyncdR Fre SyncdWR Fre"
Cycle=Rfe DpCtrlIsyncdR Fre SyncdWR Fre
Prefetch=0:x=T,1:y=T,2:x=T
Com=Rf Fr Fr
Orig=Rfe DpCtrlIsyncdR Fre SyncdWR Fre
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
 P0           | P1           | P2           ;
 li r1,1      | lwz r1,0(r2) | li r1,1      ;
 stw r1,0(r2) | cmpw r1,r1   | stw r1,0(r2) ;
              | beq  LC00    | sync         ;
              | LC00:        | lwz r3,0(r4) ;
              | isync        |              ;
              | lwz r3,0(r4) |              ;
exists
(1:r1=1 /\ 1:r3=0 /\ 2:r3=0)