Executions for behaviour:
"1:R0=1 ; x=2"
ARM S+PPO497 "Wse DMBdWW Rfe PosRR DpDatadW" Cycle=Rfe PosRR DpDatadW Wse DMBdWW Relax= Safe=Rfe Wse PosRR DMBdWW DpDatadW Prefetch=0:x=F,1:x=W Orig=Wse DMBdWW Rfe PosRR DpDatadW { %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 | ADD R2, R2, #1 ; STR R1, [%y0] | STR R2, [%x1] ; Observed 1:R0=1; x=2;