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