Executions for behaviour:
"1:R0=1 ; 1:R1=0 ; x=1"

Executions for behaviour:
"1:R0=1 ; 1:R1=0 ; x=2"

ARM WRR+2W+ctrlisb+dsb.st
"Rfe DpCtrlIsbdR Fre DSB.STdWW Wse"
Cycle=Rfe DpCtrlIsbdR Fre DSB.STdWW Wse
Prefetch=0:x=F,1:x=F,1:y=T,2:y=F,2:x=W
Com=Rf Fr Ws
Orig=Rfe DpCtrlIsbdR Fre DSB.STdWW Wse
{
%x0=x;
%x1=x; %y1=y;
%y2=y; %x2=x;
}
P0 | P1 | P2 ;
MOV R0,#2 | LDR R0,[%x1] | MOV R0,#1 ;
STR R0,[%x0] | CMP R0,R0 | STR R0,[%y2] ;
| BNE LC00 | DSB ST ;
| LC00: | MOV R1,#1 ;
| ISB | STR R1,[%x2] ;
| LDR R1,[%y1] | ;
Observed
1:R0=1; 1:R1=0; x=1;
and 1:R0=1; 1:R1=0; x=2;