ARM MP+dmb+[fr-rf]-addr "DMBdWW Rfe FrLeave RfBack DpAddrdR Fre" Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Rf Orig=DMBdWW Rfe FrLeave RfBack DpAddrdR Fre { %x0=x; %y0=y; %y1=y; %x1=x; %y2=y; } P0 | P1 | P2 ; MOV R0,#1 | LDR R0,[%y1] | MOV R0,#2 ; STR R0,[%x0] | LDR R1,[%y1] | STR R0,[%y2] ; DMB | EOR R2,R1,R1 | ; MOV R1,#1 | LDR R3,[R2,%x1] | ; STR R1,[%y0] | | ; exists (1:R0=0 /\ 1:R1=2 /\ 1:R3=0 /\ [y]=2) \/ (1:R0=2 /\ 1:R1=2 /\ 1:R3=0 /\ [y]=2)