Run ISA2+dmb+dsb+dsb in model, using armmem
ARM ISA2+dmb+dsb+dsb "DMBdWW Rfe DSBdRW Rfe DSBdRR Fre" Cycle=Rfe DSBdRW Rfe DSBdRR 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] | DSB | DSB ; DMB | MOV R1, #1 | LDR R1, [%x2] ; MOV R1, #1 | STR R1, [%z1] | ; STR R1, [%y0] | | ; exists (1:R0=1 /\ 2:R0=1 /\ 2:R1=0)