test/imm64.asm

   1         bits 64
   2         mov rax,11223344h
   3         mov rax,dword 11223344h
   4         mov eax,11223344h
   5         mov [rax],dword 11223344h               ; 32-bit operation
   6         mov qword [rax],11223344h
   7         mov qword [rax],dword 11223344h