Executions for behaviour:
"0:R0=1 ; 1:R0=2 ; 2:R0=1 ; ok=1 ; x=2"
ARM WWC+addrana+dmb+A "RfeAA DpAddrdWANa Rfe DMBdRW WseNaA" Cycle=Rfe DMBdRW WseNaA RfeAA DpAddrdWANa Prefetch=1:x=F,1:y=W,2:y=F,2:x=W Com=Rf Rf Ws Orig=RfeAA DpAddrdWANa Rfe DMBdRW WseNaA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV %T3,#2 | LDREX R0,[%x1] | LDR R0,[%y2] ; LDREX R0,[%x0] | STREX %T2,R0,[%x1] | DMB ; STREX %T2,%T3,[%x0] | CMP %T2,#0 | MOV R1,#1 ; CMP %T2,#0 | BNE Fail1 | STR R1,[%x2] ; BNE Fail0 | EOR R1,R0,R0 | ; B Exit0 | MOV R2,#1 | ; Fail0: | STR R2,[R1,%y1] | ; MOV R1,#0 | B Exit1 | ; STR R1,[%ok0] | Fail1: | ; Exit0: | MOV R3,#0 | ; | STR R3,[%ok1] | ; | Exit1: | ; Observed 0:R0=1; 1:R0=2; 2:R0=1; ok=1; x=2;