Test WRC+poaa+dmbrna

ARM WRC+poaa+dmbrna
"RfeNaA PodRWAA RfeAR DMBdRRRNa Fre"
Cycle=RfeNaA PodRWAA RfeAR DMBdRRRNa Fre
Prefetch=1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Rf Fr
Orig=RfeNaA PodRWAA RfeAR DMBdRRRNa Fre
{ ok=1;
%x0=x;
%x1=x; %y1=y; %ok1=ok;
%y2=y; %x2=x;
}
 P0           | P1                  | P2             ;
 MOV R0,#1    | LDREX R0,[%x1]      | LDREX R0,[%y2] ;
 STR R0,[%x0] | STREX %T2,R0,[%x1]  | DMB            ;
              | CMP %T2,#0          | LDR R1,[%x2]   ;
              | BNE Fail1           |                ;
              | MOV %T3,#1          |                ;
              | LDREX R1,[%y1]      |                ;
              | STREX %T2,%T3,[%y1] |                ;
              | CMP %T2,#0          |                ;
              | BNE Fail1           |                ;
              | B Exit1             |                ;
              | Fail1:              |                ;
              | MOV R2,#0           |                ;
              | STR R2,[%ok1]       |                ;
              | Exit1:              |                ;
Observed
    1:R0=1; 1:R1=0; 2:R0=1; 2:R1=0; ok=1; x=1; y=1;