Test MP+popl+amo.stadd-dmb.ld

AArch64 MP+popl+amo.stadd-dmb.ld
"PodWWPL RfeLP Amo.StAdd DMB.LDdWR Fre"
Generator=diyone7 (version 7.56+03)
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=PodWWPL RfeLP Amo.StAdd DMB.LDdWR Fre
{
0:X1=x; 0:X3=y;
1:X0=y; 1:X2=x;
}
 P0           | P1            ;
 MOV W0,#1    | MOV W1,#2     ;
 STR W0,[X1]  | STADD W1,[X0] ;
 MOV W2,#1    | DMB LD        ;
 STLR W2,[X3] | LDR W3,[X2]   ;
Observed
    y=3; 1:X3=0;