Test WRC+addrra+dmbrr+A

ARM WRC+addrra+dmbrr+A
"RfeAR DpAddrdWRA RfeAR DMBdRRRR FreRA"
Cycle=RfeAR DMBdRRRR FreRA RfeAR DpAddrdWRA
Prefetch=1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Rf Fr
Orig=RfeAR DpAddrdWRA RfeAR DMBdRRRR FreRA
{ ok=1;
%x0=x; %ok0=ok;
%x1=x; %y1=y; %ok1=ok;
%y2=y; %x2=x;
}
 P0                  | P1                  | P2             ;
 MOV %T3,#1          | LDREX R0,[%x1]      | LDREX R0,[%y2] ;
 LDREX R0,[%x0]      | EOR R1,R0,R0        | DMB            ;
 STREX %T2,%T3,[%x0] | ADD %T1,R1,%y1      | LDREX R1,[%x2] ;
 CMP %T2,#0          | MOV %T3,#1          |                ;
 BNE Fail0           | LDREX R2,[%T1]      |                ;
 B Exit0             | STREX %T2,%T3,[%T1] |                ;
 Fail0:              | CMP %T2,#0          |                ;
 MOV R1,#0           | BNE Fail1           |                ;
 STR R1,[%ok0]       | B Exit1             |                ;
 Exit0:              | Fail1:              |                ;
                     | MOV R3,#0           |                ;
                     | STR R3,[%ok1]       |                ;
                     | Exit1:              |                ;
Observed
    0:R0=0; 1:R0=1; 1:R2=0; 2:R0=1; 2:R1=0; ok=1; x=1; y=1;