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

ARM S+PPO751
"Wse DMBdWW Rfe PosRR DpCtrldW PosWW PosWR DpCtrldW"
Cycle=Rfe PosRR DpCtrldW PosWW PosWR DpCtrldW Wse DMBdWW
Relax=
Safe=Rfe Wse PosWW PosWR PosRR DMBdWW DpCtrldW
Prefetch=0:x=F,1:x=W
Orig=Wse DMBdWW Rfe PosRR DpCtrldW PosWW PosWR DpCtrldW
{
%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 | CMP R1, R1 ;
MOV R1, #1 | BNE LC00 ;
STR R1, [%y0] | LC00: ;
| MOV R2, #1 ;
| STR R2, [%z1] ;
| MOV R3, #2 ;
| STR R3, [%z1] ;
| LDR R4, [%z1] ;
| CMP R4, R4 ;
| BNE LC01 ;
| LC01: ;
| MOV R5, #1 ;
| STR R5, [%x1] ;
Observed
1:R0=1; x=2; z=2;