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

ARM S0078
"DMBdWW Rfe PosRR DpAddrdW Wse"
Cycle=Rfe PosRR DpAddrdW Wse DMBdWW
Relax=[Wse,DMBdWW,Rfe]
Safe=PosRR DpAddrdW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Ws
Orig=DMBdWW Rfe PosRR DpAddrdW Wse
{
%x0=x; %y0=y;
%y1=y; %x1=x;
}
P0 | P1 ;
MOV R0,#2 | LDR R0,[%y1] ;
STR R0,[%x0] | LDR R1,[%y1] ;
DMB | EOR R2,R1,R1 ;
MOV R1,#1 | MOV R3,#1 ;
STR R1,[%y0] | STR R3,[R2,%x1] ;
Observed
1:R0=1; x=2;