Executions for behaviour:
"1:R0=1 ; 1:R4=0"

ARM MP0161
"DMBdWW Rfe DpAddrdR DpDatadW PodWR Fre"
Cycle=Rfe DpAddrdR DpDatadW PodWR Fre DMBdWW
Relax=[Fre,DMBdWW,Rfe]
Safe=PodWR DpAddrdR DpDatadW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMBdWW Rfe DpAddrdR DpDatadW PodWR Fre
{
%x0=x; %y0=y;
%y1=y; %z1=z; %a1=a; %x1=x;
}
P0 | P1 ;
MOV R0,#1 | LDR R0,[%y1] ;
STR R0,[%x0] | EOR R1,R0,R0 ;
DMB | LDR R2,[R1,%z1] ;
MOV R1,#1 | EOR R3,R2,R2 ;
STR R1,[%y0] | ADD R3,R3,#1 ;
| STR R3,[%a1] ;
| LDR R4,[%x1] ;
Observed
1:R0=1; 1:R4=0;