ARM IRWIW+dsb+addr "Rfe DSBdRW Wse Rfe DpAddrdW Wse" Cycle=Rfe DSBdRW Wse Rfe DpAddrdW Wse Prefetch=0:x=F,1:x=F,1:y=W,2:y=F,3:y=F,3:x=W Com=Rf Ws Rf Ws Orig=Rfe DSBdRW Wse Rfe DpAddrdW Wse { %x0=x; %x1=x; %y1=y; %y2=y; %y3=y; %x3=x; } P0 | P1 | P2 | P3 ; MOV R0,#2 | LDR R0,[%x1] | MOV R0,#2 | LDR R0,[%y3] ; STR R0,[%x0] | DSB | STR R0,[%y2] | EOR R1,R0,R0 ; | MOV R1,#1 | | MOV R2,#1 ; | STR R1,[%y1] | | STR R2,[R1,%x3] ; Observed 1:R0=1; 3:R0=2; x=1; y=2; and 1:R0=1; 3:R0=2; x=2; y=2; and 1:R0=2; 3:R0=2; x=2; y=2;