macro __libcall_pushd value*
{
  ...
  ;if value is "double [something]" or "double ptr something" use 2 pushes
  match ifend =double [var],ifend value
  \{
    push dword [var+4]
    push dword [var]
  \}
  match ifend =double =ptr var,ifend value
  \{
     push dword [var+4]
     push dword [var]
  \}
  ;if value is "double something" use 2 pushes (more tricky, needs to be loaded)
  match ifend =double num,ifend value
  \{
     \local ..high,..low
     virtual at 0
        dq num
        load ..low dword from 0
        load ..high dword from 4
     end virtual
     push dword ..high
     push dword ..low
  \}
  ...
}