Executions for behaviour:
"0:R0=0 ; 1:R0=2 ; 1:R2=0 ; 2:R1=0 ; ok=0 ; x=2"
Executions for behaviour:
"0:R0=1 ; 1:R0=2 ; 1:R2=0 ; 2:R1=0 ; ok=1 ; x=2"
ARM WRR+2W+addrrr+dmbnaa+A "RfeAR DpAddrdRRR FreRNa DMBdWWNaA WseAA" Cycle=RfeAR DpAddrdRRR FreRNa DMBdWWNaA WseAA Prefetch=1:x=F,1:y=T,2:y=F,2:x=W Com=Rf Fr Ws Orig=RfeAR DpAddrdRRR FreRNa DMBdWWNaA WseAA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV %T3,#2 | LDREX R0,[%x1] | MOV R0,#1 ; LDREX R0,[%x0] | EOR R1,R0,R0 | STR R0,[%y2] ; STREX %T2,%T3,[%x0] | ADD %T1,R1,%y1 | DMB ; CMP %T2,#0 | LDREX R2,[%T1] | MOV %T3,#1 ; BNE Fail0 | | LDREX R1,[%x2] ; B Exit0 | | STREX %T2,%T3,[%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=2; 1:R2=0; 2:R1=0; ok=0; x=2; and 0:R0=1; 1:R0=2; 1:R2=0; 2:R1=0; ok=1; x=2;