ARM WRW+2W+addr+dmb "Rfe DpAddrdW Wse DMBdWW Wse" Cycle=Rfe DpAddrdW Wse DMBdWW Wse { %x0=x; %x1=x; %y1=y; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV R0, #2 | LDR R0, [%x1] | MOV R0, #2 ; STR R0, [%x0] | EOR R1,R0,R0 | STR R0, [%y2] ; | MOV R2, #1 | DMB ; | STR R2, [R1,%y1] | MOV R1, #1 ; | | STR R1, [%x2] ; Observed 1:R0=2; x=2; y=2;