Executions for behaviour:
"0:R0=0 ; 1:R0=1 ; 1:R2=0 ; 2:R0=1 ; 2:R1=0 ; ok=1 ; x=1 ; y=1"
ARM WRC+addraa+ctrlisbnar+A "RfeAA DpAddrdWAA RfeANa DpCtrlIsbdRNaR FreRA" Cycle=RfeANa DpCtrlIsbdRNaR FreRA RfeAA DpAddrdWAA Prefetch=1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Rf Fr Orig=RfeAA DpAddrdWAA RfeANa DpCtrlIsbdRNaR FreRA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV %T3,#1 | LDREX R0,[%x1] | LDR R0,[%y2] ; LDREX R0,[%x0] | STREX %T2,R0,[%x1] | CMP R0,R0 ; STREX %T2,%T3,[%x0] | CMP %T2,#0 | BNE LC00 ; CMP %T2,#0 | BNE Fail1 | LC00: ; BNE Fail0 | EOR R1,R0,R0 | ISB ; B Exit0 | ADD %T1,R1,%y1 | LDREX R1,[%x2] ; Fail0: | MOV %T3,#1 | ; MOV R1,#0 | LDREX R2,[%T1] | ; STR R1,[%ok0] | STREX %T2,%T3,[%T1] | ; Exit0: | CMP %T2,#0 | ; | BNE Fail1 | ; | B Exit1 | ; | Fail1: | ; | MOV R3,#0 | ; | STR R3,[%ok1] | ; | Exit1: | ; Observed 0:R0=0; 1:R0=1; 1:R2=0; 2:R0=1; 2:R1=0; ok=1; x=1; y=1;