Test WRC+poaa+ctrlisbar

ARM WRC+poaa+ctrlisbar
"RfeNaA PodRWAA RfeAA DpCtrlIsbdRAR FreRNa"
Cycle=RfeNaA PodRWAA RfeAA DpCtrlIsbdRAR FreRNa
Prefetch=1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Rf Fr
Orig=RfeNaA PodRWAA RfeAA DpCtrlIsbdRAR FreRNa
{ ok=1;
%x0=x;
%x1=x; %y1=y; %ok1=ok;
%y2=y; %x2=x; %ok2=ok;
}
 P0           | P1                  | P2                 ;
 MOV R0,#1    | LDREX R0,[%x1]      | LDREX R0,[%y2]     ;
 STR R0,[%x0] | STREX %T2,R0,[%x1]  | STREX %T2,R0,[%y2] ;
              | CMP %T2,#0          | CMP %T2,#0         ;
              | BNE Fail1           | BNE Fail2          ;
              | MOV %T3,#1          | CMP R0,R0          ;
              | LDREX R1,[%y1]      | BNE LC00           ;
              | STREX %T2,%T3,[%y1] | LC00:              ;
              | CMP %T2,#0          | ISB                ;
              | BNE Fail1           | LDREX R1,[%x2]     ;
              | B Exit1             | B Exit2            ;
              | Fail1:              | Fail2:             ;
              | MOV R2,#0           | MOV R2,#0          ;
              | STR R2,[%ok1]       | STR R2,[%ok2]      ;
              | Exit1:              | Exit2:             ;
Observed
    1:R0=1; 1:R1=0; 2:R0=1; 2:R1=0; ok=1; x=1; y=1;