Test WRW+WR+addrrp+syncpr

PPC WRW+WR+addrrp+syncpr
"RfePR DpAddrdWRP Wse SyncdWRPR FreRP"
Cycle=RfePR DpAddrdWRP Wse SyncdWRPR FreRP
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=RfePR DpAddrdWRP Wse SyncdWRPR FreRP
{
0:r2=x;
1:r2=x; 1:r5=y;
2:r2=y; 2:r4=x;
}
 P0           | P1             | P2             ;
 li r1,1      | lwarx r1,r0,r2 | li r1,2        ;
 stw r1,0(r2) | xor r3,r1,r1   | stw r1,0(r2)   ;
              | li r4,1        | sync           ;
              | stwx r4,r3,r5  | lwarx r3,r0,r4 ;
exists
(y=2 /\ 1:r1=1 /\ 2:r3=0)