Executions for behaviour:
"0:R0=0 ; 1:R0=1 ; 2:R0=1 ; 2:R1=0 ; ok=1 ; x=1 ; y=1"
ARM WRC+ctrlrna+poaa+A "RfeAR DpCtrldWRNa RfeNaA PodRRAA FreAA" Cycle=RfeNaA PodRRAA FreAA RfeAR DpCtrldWRNa Prefetch=1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Rf Fr Orig=RfeAR DpCtrldWRNa RfeNaA PodRRAA FreAA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV %T3,#1 | LDREX R0,[%x1] | LDREX R0,[%y2] ; LDREX R0,[%x0] | CMP R0,R0 | STREX %T2,R0,[%y2] ; STREX %T2,%T3,[%x0] | BNE LC00 | CMP %T2,#0 ; CMP %T2,#0 | LC00: | BNE Fail2 ; BNE Fail0 | MOV R1,#1 | LDREX R1,[%x2] ; B Exit0 | STR R1,[%y1] | STREX %T2,R1,[%x2] ; Fail0: | | CMP %T2,#0 ; MOV R1,#0 | | BNE Fail2 ; STR R1,[%ok0] | | B Exit2 ; Exit0: | | Fail2: ; | | MOV R2,#0 ; | | STR R2,[%ok2] ; | | Exit2: ; Observed 0:R0=0; 1:R0=1; 2:R0=1; 2:R1=0; ok=1; x=1; y=1;