Reducing code size on AM30 and AM33

[Jeffrey A Law]

  In message < orzoqneje1.fsf@zecarneiro.lsd.ic.unicamp.br >you write:
  > Index: gcc/ChangeLog
  > from  Alexandre Oliva  <aoliva@cygnus.com>
  > 
  > 	* config/mn10300/mn10300.h (ADDRESS_COST): New macro.
  > 	* config/mn10300/mn10300.c (mn10300_address_cost): New function.
This patch is fine, please install it along with the later patch which
added a declaration for mn10300_address_cost to mn10300-protos.h.

Thanks!
jeff