Test Z6.4+dsb.sts

ARM Z6.4+dsb.sts
"DSB.STdWW Wse DSB.STdWR Fre DSB.STdWR Fre"
Cycle=Fre DSB.STdWW Wse DSB.STdWR Fre DSB.STdWR
Prefetch=0:x=F,0:y=W,1:y=F,1:z=T,2:z=F,2:x=T
Com=Ws Fr Fr
Orig=DSB.STdWW Wse DSB.STdWR Fre DSB.STdWR Fre
{
%x0=x; %y0=y;
%y1=y; %z1=z;
%z2=z; %x2=x;
}
 P0           | P1           | P2           ;
 MOV R0,#1    | MOV R0,#2    | MOV R0,#1    ;
 STR R0,[%x0] | STR R0,[%y1] | STR R0,[%z2] ;
 DSB ST       | DSB ST       | DSB ST       ;
 MOV R1,#1    | LDR R1,[%z1] | LDR R1,[%x2] ;
 STR R1,[%y0] |              |              ;
Observed
    1:R1=0; 2:R1=0; y=2;