Test MP+shoot+po+VMALL

AArch64 MP+shoot+po+VMALL
{
0:X2=pte_x;
0:X1=(oa:phy_y); 
0:X3=x;
1:X3=x;
y=1;
0:X8=z; 
1:X8=z;
}
P0              | P1;
STR X1,[X2]     | LDR W7,[X8] ;
DSB ISH         |L0:          ;
TLBI VMALLE1IS  | LDR W4,[X3] ;
DSB ISH         |             ;
MOV W7,#1       |             ;
STR W7,[X8]     |             ;
exists (1:X4=0 /\ 1:X7=1)