Test MP+dmb.st+rmw-rfipa-addrap

AArch64 MP+dmb.st+rmw-rfipa-addrap
"DMB.STdWW Rfe Rmw RfiPA DpAddrdRAP Fre"
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMB.STdWW Rfe Rmw RfiPA DpAddrdRAP Fre
{
0:X1=x; 0:X3=y;
1:X0=y; 1:X7=x;
}
 P0          | P1                  ;
 MOV W0,#1   | MOV W2,#2           ;
 STR W0,[X1] | LDXR W1,[X0]        ;
 DMB ST      | STXR W3,W2,[X0]     ;
 MOV W2,#1   | LDAR W4,[X0]        ;
 STR W2,[X3] | AND W5,W4,#128      ;
             | LDR W6,[X7,W5,SXTW] ;
exists
(y=2 /\ 1:X3=0 /\ 1:X1=1 /\ 1:X4=2 /\ 1:X6=0)