Test MP+dmb+ctrlar

ARM MP+dmb+ctrlar
"DMBdWW RfeNaA DpCtrldRAR FreRNa"
Cycle=RfeNaA DpCtrldRAR FreRNa DMBdWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMBdWW RfeNaA DpCtrldRAR FreRNa
{ ok=1;
%x0=x; %y0=y;
%y1=y; %x1=x; %ok1=ok;
}
 P0           | P1                 ;
 MOV R0,#1    | LDREX R0,[%y1]     ;
 STR R0,[%x0] | STREX %T2,R0,[%y1] ;
 DMB          | CMP %T2,#0         ;
 MOV R1,#1    | BNE Fail1          ;
 STR R1,[%y0] | CMP R0,R0          ;
              | BNE LC00           ;
              | LC00:              ;
              | LDREX R1,[%x1]     ;
              | B Exit1            ;
              | Fail1:             ;
              | MOV R2,#0          ;
              | STR R2,[%ok1]      ;
              | Exit1:             ;
Observed
    1:R0=1; 1:R1=0; ok=1; y=1;