Executions for behaviour:
"0:R0=0 ; 1:R0=1 ; 1:R1=0 ; ok=1 ; x=1 ; y=1"
ARM MP+poana+ctrlisbaa "PodWWANa RfeNaA DpCtrlIsbdRAA FreAA" Cycle=RfeNaA DpCtrlIsbdRAA FreAA PodWWANa Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Orig=PodWWANa RfeNaA DpCtrlIsbdRAA FreAA { ok=1; %x0=x; %y0=y; %ok0=ok; %y1=y; %x1=x; %ok1=ok; } P0 | P1 ; MOV %T3,#1 | LDREX R0,[%y1] ; LDREX R0,[%x0] | STREX %T2,R0,[%y1] ; STREX %T2,%T3,[%x0] | CMP %T2,#0 ; CMP %T2,#0 | BNE Fail1 ; BNE Fail0 | CMP R0,R0 ; MOV R1,#1 | BNE LC00 ; STR R1,[%y0] | LC00: ; B Exit0 | ISB ; Fail0: | LDREX R1,[%x1] ; MOV R2,#0 | STREX %T2,R1,[%x1] ; STR R2,[%ok0] | CMP %T2,#0 ; Exit0: | BNE Fail1 ; | B Exit1 ; | Fail1: ; | MOV R2,#0 ; | STR R2,[%ok1] ; | Exit1: ; Observed 0:R0=0; 1:R0=1; 1:R1=0; ok=1; x=1; y=1;