Test DETOUR1271

ARM DETOUR1271
"DMBdWW Wse PosWR Fri Rfi DpCtrldW Wse"
Cycle=Rfi DpCtrldW Wse DMBdWW Wse PosWR Fri
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=DMBdWW Wse PosWR Fri Rfi DpCtrldW Wse
{
%x0=x; %y0=y;
%y1=y; %x1=x;
}
 P0           | P1           ;
 MOV R0,#2    | MOV R0,#2    ;
 STR R0,[%x0] | STR R0,[%y1] ;
 DMB          | LDR R1,[%y1] ;
 MOV R1,#1    | MOV R2,#3    ;
 STR R1,[%y0] | STR R2,[%y1] ;
 DMB          | LDR R3,[%y1] ;
 LDR R2,[%y0] | CMP R3,R3    ;
              | BNE LC00     ;
              | LC00:        ;
              | MOV R4,#1    ;
              | STR R4,[%x1] ;
Observed
    0:R2=2; 1:R1=2; 1:R3=3; x=2;