Executions for behaviour:
"0:R0=0 ; 1:R0=1 ; 1:R2=0 ; ok=1 ; x=1 ; y=1"
ARM MP+poana+addraa "PodWWANa RfeNaA DpAddrdRAA FreAA" Cycle=RfeNaA DpAddrdRAA FreAA PodWWANa Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Orig=PodWWANa RfeNaA DpAddrdRAA 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 | EOR R1,R0,R0 ; MOV R1,#1 | ADD %T1,R1,%x1 ; STR R1,[%y0] | LDREX R2,[%T1] ; B Exit0 | STREX %T2,R2,[%T1] ; Fail0: | CMP %T2,#0 ; MOV R2,#0 | BNE Fail1 ; STR R2,[%ok0] | B Exit1 ; Exit0: | Fail1: ; | MOV R3,#0 ; | STR R3,[%ok1] ; | Exit1: ; Observed 0:R0=0; 1:R0=1; 1:R2=0; ok=1; x=1; y=1;