Executions for behaviour:
"0:R0=1 ; 1:R0=1 ; 1:R1=0 ; ok=1 ; x=1"
ARM LB+datarna+pora "DpDatadWRNa RfeNaR PodRWRA RfeAR" Cycle=RfeNaR PodRWRA RfeAR DpDatadWRNa Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Rf Orig=DpDatadWRNa RfeNaR PodRWRA RfeAR { ok=1; %x0=x; %y0=y; %y1=y; %x1=x; %ok1=ok; } P0 | P1 ; LDREX R0,[%x0] | LDREX R0,[%y1] ; EOR R1,R0,R0 | MOV %T3,#1 ; ADD R1,R1,#1 | LDREX R1,[%x1] ; STR R1,[%y0] | STREX %T2,%T3,[%x1] ; | CMP %T2,#0 ; | BNE Fail1 ; | B Exit1 ; | Fail1: ; | MOV R2,#0 ; | STR R2,[%ok1] ; | Exit1: ; Observed 0:R0=1; 1:R0=1; 1:R1=0; ok=1; x=1;