Executions for behaviour:
"0:R0=0 ; 1:R0=1 ; 2:R0=1 ; 2:R1=0 ; ok=1 ; x=1 ; y=1"
ARM WRC+ctrlana+ctrlaa+A "RfeAA DpCtrldWANa RfeNaA DpCtrldRAA FreAA" Cycle=RfeNaA DpCtrldRAA FreAA RfeAA DpCtrldWANa Prefetch=1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Rf Fr Orig=RfeAA DpCtrldWANa RfeNaA DpCtrldRAA FreAA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV %T3,#1 | 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 | CMP R0,R0 | CMP R0,R0 ; B Exit0 | BNE LC00 | BNE LC01 ; Fail0: | LC00: | LC01: ; MOV R1,#0 | MOV R1,#1 | LDREX R1,[%x2] ; STR R1,[%ok0] | STR R1,[%y1] | STREX %T2,R1,[%x2] ; Exit0: | B Exit1 | CMP %T2,#0 ; | Fail1: | BNE Fail2 ; | MOV R2,#0 | B Exit2 ; | STR R2,[%ok1] | Fail2: ; | Exit1: | MOV R2,#0 ; | | STR R2,[%ok2] ; | | Exit2: ; Observed 0:R0=0; 1:R0=1; 2:R0=1; 2:R1=0; ok=1; x=1; y=1;