[FR30] Consider VIRTUAL_INCOMING_ARGS_REGNUM eliminable

[Nick Clifton]

Hi Roger,

> 2006-04-16  Roger Sayle  <roger@eyesopen.com>
> 
> 	* config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
> 	identify potentially eliminable registers to additionally catch
> 	VIRTUAL_INCOMING_ARGS_REGNUM.
> 	(addsi3): Update the conditions on when to use addsi_small_int.

Approved - please apply.

Cheers
   Nick