Test WRW+WR+isb+dmb

ARM WRW+WR+isb+dmb
"Rfe ISBdRW Wse DMBdWR Fre"
Cycle=Rfe ISBdRW Wse DMBdWR Fre
Prefetch=0:x=T,1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=Rfe ISBdRW Wse DMBdWR Fre
{
%x0=x;
%x1=x; %y1=y;
%y2=y; %x2=x;
}
 P0           | P1           | P2           ;
 MOV R0,#1    | LDR R0,[%x1] | MOV R0,#2    ;
 STR R0,[%x0] | ISB          | STR R0,[%y2] ;
              | MOV R1,#1    | DMB          ;
              | STR R1,[%y1] | LDR R1,[%x2] ;
Observed
    1:R0=1; 2:R1=0; y=2;