Test WRW+WR+sync+poar

Executions for behaviour: "1:r1=1 ; 2:r3=0 ; ok=1 ; y=2"

PPC WRW+WR+sync+poar
"Rfe SyncdRW WsePA PodWRAR FreRP"
Cycle=Rfe SyncdRW WsePA PodWRAR FreRP
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=Rfe SyncdRW WsePA PodWRAR FreRP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x; 2:r6=ok;
}
 P0           | P1           | P2               ;
 li r1,1      | lwz r1,0(r2) | li r1,2          ;
 stw r1,0(r2) | sync         | lwarx %sta,r0,r2 ;
              | li r3,1      | stwcx. r1,r0,r2  ;
              | stw r3,0(r4) | bne  Fail2       ;
              |              | lwarx r3,r0,r4   ;
              |              | b   Exit2        ;
              |              | Fail2:           ;
              |              | li r5,0          ;
              |              | stw r5,0(r6)     ;
              |              | Exit2:           ;
Observed
    1:r1=1; 2:r3=0; ok=1; y=2;