arm.h (enum vfp_reg_type): Add VFP_NONE.

arm.h (enum vfp_reg_type): Add VFP_NONE.

2009-11-25  Robert Nelson  <robert.nelson@digikey.com>
	    Richard Earnshaw  <rearnsha@arm.com>

	* arm.h (enum vfp_reg_type): Add VFP_NONE.
	* arm.c (all_fpus): Use it for floating point units that aren't based
	on the VFP architecture.
	(aapcs_vfp_is_call_or_return_candidate): Make base_mode a pointer to
	enum machine_mode.

Co-Authored-By: Richard Earnshaw <rearnsha@arm.com>
From-SVN: r154647