ARM ISA2+dmb+isb+addr "DMBdWW Rfe ISBdRW Rfe DpAddrdR Fre" Cycle=Rfe ISBdRW Rfe DpAddrdR Fre DMBdWW { %x0=x; %y0=y; %y1=y; %z1=z; %z2=z; %x2=x; } P0 | P1 | P2 ; MOV R0, #1 | LDR R0, [%y1] | LDR R0, [%z2] ; STR R0, [%x0] | ISB | EOR R1,R0,R0 ; DMB | MOV R1, #1 | LDR R2, [R1,%x2] ; MOV R1, #1 | STR R1, [%z1] | ; STR R1, [%y0] | | ; Observed 1:R0=1; 2:R0=1; 2:R2=0;