Test WRW+2W+addrana+dmb

ARM WRW+2W+addrana+dmb
"RfeNaA DpAddrdWANa Wse DMBdWW Wse"
Cycle=RfeNaA DpAddrdWANa Wse DMBdWW Wse
Prefetch=1:x=F,1:y=W,2:y=F,2:x=W
Com=Rf Ws Ws
Orig=RfeNaA DpAddrdWANa Wse DMBdWW Wse
{ ok=1;
%x0=x;
%x1=x; %y1=y; %ok1=ok;
%y2=y; %x2=x;
}
 P0           | P1                 | P2           ;
 MOV R0,#2    | LDREX R0,[%x1]     | MOV R0,#2    ;
 STR R0,[%x0] | STREX %T2,R0,[%x1] | STR R0,[%y2] ;
              | CMP %T2,#0         | DMB          ;
              | BNE Fail1          | MOV R1,#1    ;
              | EOR R1,R0,R0       | STR R1,[%x2] ;
              | MOV R2,#1          |              ;
              | STR R2,[R1,%y1]    |              ;
              | B Exit1            |              ;
              | Fail1:             |              ;
              | MOV R3,#0          |              ;
              | STR R3,[%ok1]      |              ;
              | Exit1:             |              ;
Observed
    1:R0=2; ok=1; x=2; y=2;