Executions for behaviour:
"1:R0=1 ; 1:R8=0 ; y=2"

ARM MP+PPO266
"Fre DMBdWW Rfe PosRW PosWR DpAddrdR PosRR DpAddrdR DpCtrlIsbdR"
Cycle=Rfe PosRW PosWR DpAddrdR PosRR DpAddrdR DpCtrlIsbdR Fre DMBdWW
Relax=
Safe=Rfe Fre PosWR PosRW PosRR DMBdWW DpAddrdR DpCtrlIsbdR
Prefetch=1:x=T
Orig=Fre DMBdWW Rfe PosRW PosWR DpAddrdR PosRR DpAddrdR DpCtrlIsbdR
{
%x0=x; %y0=y;
%y1=y; %z1=z; %a1=a; %x1=x;
}
P0 | P1 ;
MOV R0, #1 | LDR R0, [%y1] ;
STR R0, [%x0] | MOV R1, #2 ;
DMB | STR R1, [%y1] ;
MOV R1, #1 | LDR R2, [%y1] ;
STR R1, [%y0] | EOR R3,R2,R2 ;
| LDR R4, [R3,%z1] ;
| LDR R5, [%z1] ;
| EOR R6,R5,R5 ;
| LDR R7, [R6,%a1] ;
| CMP R7, R7 ;
| BNE LC00 ;
| LC00: ;
| ISB ;
| LDR R8, [%x1] ;
Observed
1:R0=1; 1:R8=0; y=2;