Executions for behaviour:
"1:R0=1 ; 1:R1=0 ; 2:R0=0 ; 2:R1=2 ; ok=0 ; x=1 ; y=1"
Executions for behaviour:
"1:R0=1 ; 1:R1=0 ; 2:R0=0 ; 2:R1=0 ; ok=0 ; x=2 ; y=1"
ARM WRR+2W+dmbra+poaa "RfeNaR DMBdRRRA FreAA PodWWAA WseANa" Cycle=RfeNaR DMBdRRRA FreAA PodWWAA WseANa Prefetch=1:x=F,1:y=T,2:y=F,2:x=W Com=Rf Fr Ws Orig=RfeNaR DMBdRRRA FreAA PodWWAA WseANa { ok=1; %x0=x; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV R0,#2 | LDREX R0,[%x1] | MOV %T3,#1 ; STR R0,[%x0] | DMB | LDREX R0,[%y2] ; | LDREX R1,[%y1] | STREX %T2,%T3,[%y2] ; | STREX %T2,R1,[%y1] | CMP %T2,#0 ; | CMP %T2,#0 | BNE Fail2 ; | BNE Fail1 | MOV %T3,#1 ; | B Exit1 | LDREX R1,[%x2] ; | Fail1: | STREX %T2,%T3,[%x2] ; | MOV R2,#0 | CMP %T2,#0 ; | STR R2,[%ok1] | BNE Fail2 ; | Exit1: | B Exit2 ; | | Fail2: ; | | MOV R2,#0 ; | | STR R2,[%ok2] ; | | Exit2: ; Observed 1:R0=1; 1:R1=0; 2:R0=0; 2:R1=2; ok=0; x=1; y=1; and 1:R0=1; 1:R1=0; 2:R0=0; 2:R1=0; ok=0; x=2; y=1;