anchor.diff:  -spec bignum_sizeneed(non_neg_integer()) -> non_neg_integer().
   
   bignum_sizeneed(Size) ->
  -  WordSizeBits = hipe_rtl_arch:word_size() * 8,
     case is_fixnum(1 bsl Size) of
       true ->
         0;
       false ->
  +      WordSizeBits = hipe_rtl_arch:word_size() * 8,
         ((Size + (WordSizeBits-1)) div WordSizeBits) + 1
     end.
   
  
positive.code:   ?MB_SIZE.
  
  get_field_size(Field) ->
    size_to_atom(get_field_size1(Field)).
  
  size_to_atom(Bytes) ->
    WordSize = hipe_rtl_arch:word_size(),
    case Bytes of
      WordSize -> word;
      4 -> int32;
      %%2 -> int16; So far there are no 2 byte fields
      1 -> byte
    end.
  
  
negative.code: %%========================================================================
  %%
  %% Filename : hipe_tagscheme.erl
  %% Note     : This is specific to Erlang >= 5.* (i.e. starting with R9).
  %%
  %% Modifications:
  %%  020904: Happi - added support for external pids and ports.
  