Executions for behaviour:
"1:R0=1 ; x=2"

ARM S0168
"DMBdWW Rfe PosRR DpAddrdR PodRW Wse"
Cycle=Rfe PosRR DpAddrdR PodRW Wse DMBdWW
Relax=[Wse,DMBdWW,Rfe]
Safe=PosRR PodRW DpAddrdR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Ws
Orig=DMBdWW Rfe PosRR DpAddrdR PodRW Wse
{
%x0=x; %y0=y;
%y1=y; %z1=z; %x1=x;
}
P0 | P1 ;
MOV R0,#2 | LDR R0,[%y1] ;
STR R0,[%x0] | LDR R1,[%y1] ;
DMB | EOR R2,R1,R1 ;
MOV R1,#1 | LDR R3,[R2,%z1] ;
STR R1,[%y0] | MOV R4,#1 ;
| STR R4,[%x1] ;
Observed
1:R0=1; x=2;