Executions for behaviour:
"0:R0=1 ; 1:R0=2 ; 1:R1=0 ; 2:R0=1 ; ok=1 ; x=2 ; y=1"
ARM WWC+poaa+addrana+A "RfeAA PodRWAA RfeAA DpAddrdWANa WseNaA" Cycle=RfeAA PodRWAA RfeAA DpAddrdWANa WseNaA Prefetch=1:x=F,1:y=W,2:y=F,2:x=W Com=Rf Rf Ws Orig=RfeAA PodRWAA RfeAA DpAddrdWANa WseNaA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV %T3,#2 | LDREX R0,[%x1] | LDREX R0,[%y2] ; LDREX R0,[%x0] | STREX %T2,R0,[%x1] | STREX %T2,R0,[%y2] ; STREX %T2,%T3,[%x0] | CMP %T2,#0 | CMP %T2,#0 ; CMP %T2,#0 | BNE Fail1 | BNE Fail2 ; BNE Fail0 | MOV %T3,#1 | EOR R1,R0,R0 ; B Exit0 | LDREX R1,[%y1] | MOV R2,#1 ; Fail0: | STREX %T2,%T3,[%y1] | STR R2,[R1,%x2] ; MOV R1,#0 | CMP %T2,#0 | B Exit2 ; STR R1,[%ok0] | BNE Fail1 | Fail2: ; Exit0: | B Exit1 | MOV R3,#0 ; | Fail1: | STR R3,[%ok2] ; | MOV R2,#0 | Exit2: ; | STR R2,[%ok1] | ; | Exit1: | ; Observed 0:R0=1; 1:R0=2; 1:R1=0; 2:R0=1; ok=1; x=2; y=1;