Test IRIW+dmb+dsb.st

ARM IRIW+dmb+dsb.st
"Rfe DMBdRR Fre Rfe DSB.STdRR Fre"
Cycle=Rfe DMBdRR Fre Rfe DSB.STdRR Fre
Prefetch=0:x=T,1:x=F,1:y=T,2:y=T,3:y=F,3:x=T
Com=Rf Fr Rf Fr
Orig=Rfe DMBdRR Fre Rfe DSB.STdRR Fre
{
%x0=x;
%x1=x; %y1=y;
%y2=y;
%y3=y; %x3=x;
}
 P0           | P1           | P2           | P3           ;
 MOV R0,#1    | LDR R0,[%x1] | MOV R0,#1    | LDR R0,[%y3] ;
 STR R0,[%x0] | DMB          | STR R0,[%y2] | DSB ST       ;
              | LDR R1,[%y1] |              | LDR R1,[%x3] ;
Observed
    1:R0=1; 1:R1=0; 3:R0=1; 3:R1=0;