Test DETOUR0684

ARM DETOUR0684
"DMBdWW Rfe DpCtrldW DetourW DpCtrlIsbdR Fre"
Cycle=Rfe DpCtrldW DetourW DpCtrlIsbdR Fre DMBdWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMBdWW Rfe DpCtrldW DetourW DpCtrlIsbdR Fre
{
%x0=x; %y0=y;
%y1=y; %z1=z; %x1=x;
%z2=z;
}
 P0           | P1           | P2           ;
 MOV R0,#1    | LDR R0,[%y1] | MOV R0,#2    ;
 STR R0,[%x0] | CMP R0,R0    | STR R0,[%z2] ;
 DMB          | BNE LC00     |              ;
 MOV R1,#1    | LC00:        |              ;
 STR R1,[%y0] | MOV R1,#1    |              ;
              | STR R1,[%z1] |              ;
              | LDR R2,[%z1] |              ;
              | CMP R2,R2    |              ;
              | BNE LC01     |              ;
              | LC01:        |              ;
              | ISB          |              ;
              | LDR R3,[%x1] |              ;
Observed
    1:R0=1; 1:R2=2; 1:R3=1;