Test ISA2+dmb+dmb+isb

Run ISA2+dmb+dmb+isb in model, using armmem

ARM ISA2+dmb+dmb+isb
"DMBdWW Rfe DMBdRW Rfe ISBdRR Fre"
Cycle=Rfe DMBdRW Rfe ISBdRR 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] | DMB           | ISB           ;
 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)