Executions for behaviour:
"1:R0=1 ; 2:R0=1 ; 2:R1=2 ; 2:R3=0 ; ok=1 ; z=2"
ARM Z6.0+dmb+dmb+rfiar-addrrna "DMBdWW Rfe DMBdRW WseNaA RfiAR DpAddrdRRNa Fre" Cycle=RfiAR DpAddrdRRNa Fre DMBdWW Rfe DMBdRW WseNaA Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:x=T Com=Rf Ws Fr Orig=DMBdWW Rfe DMBdRW WseNaA RfiAR DpAddrdRRNa Fre { ok=1; %x0=x; %y0=y; %y1=y; %z1=z; %z2=z; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV R0,#1 | LDR R0,[%y1] | MOV %T3,#2 ; STR R0,[%x0] | DMB | LDREX R0,[%z2] ; DMB | MOV R1,#1 | STREX %T2,%T3,[%z2] ; MOV R1,#1 | STR R1,[%z1] | CMP %T2,#0 ; STR R1,[%y0] | | BNE Fail2 ; | | LDREX R1,[%z2] ; | | EOR R2,R1,R1 ; | | LDR R3,[R2,%x2] ; | | B Exit2 ; | | Fail2: ; | | MOV R4,#0 ; | | STR R4,[%ok2] ; | | Exit2: ; Observed 1:R0=1; 2:R0=1; 2:R1=2; 2:R3=0; ok=1; z=2;