ARM R+dmb.st+dsb.st "DMB.STdWW Wse DSB.STdWR Fre" Cycle=Fre DMB.STdWW Wse DSB.STdWR Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Ws Fr Orig=DMB.STdWW Wse DSB.STdWR Fre { %x0=x; %y0=y; %y1=y; %x1=x; } P0 | P1 ; MOV R0,#1 | MOV R0,#2 ; STR R0,[%x0] | STR R0,[%y1] ; DMB ST | DSB ST ; MOV R1,#1 | LDR R1,[%x1] ; STR R1,[%y0] | ; Observed 1:R1=0; y=2;