Executions for behaviour:
"1:R0=0 ; 1:R2=2 ; 1:R3=1 ; x=2"

ARM MP+dmb+data-rfi-pos
"DMBdWW Rfe DpDatadW Rfi PosRR Fre"
Cycle=Rfi PosRR Fre DMBdWW Rfe DpDatadW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMBdWW Rfe DpDatadW Rfi PosRR Fre
{
%x0=x; %y0=y;
%y1=y; %x1=x;
}
P0 | P1 ;
MOV R0,#2 | LDR R0,[%y1] ;
STR R0,[%x0] | EOR R1,R0,R0 ;
DMB | ADD R1,R1,#1 ;
MOV R1,#1 | STR R1,[%x1] ;
STR R1,[%y0] | LDR R2,[%x1] ;
| LDR R3,[%x1] ;
Observed
1:R0=0; 1:R2=2; 1:R3=1; x=2;