* config/mips/tm-mips.h (enum mips_fpu_type): New enum.

	* config/mips/tm-mips.h (enum mips_fpu_type): New enum.
	(mips_fpu): Change type to enum mips_fpu_type.
	(FIX_CALL_DUMMY): Handle mips_fpu == MIPS_FPU_SINGLE.
	* mips-tdep.c (mips_fpu): Change type to enum mips_fpu_type.
	Don't initialize.
	(mips_fpu_string): New static variable.
	(mips_push_dummy_frame): Handle mips_fpu == MIPS_FPU_SINGLE.
	(mips_pop_frame): Likewise.
	(mips_extract_return_value): Likewise.
	(mips_store_return_value): Likewise.
	(mips_set_fpu_command): New static function.
	(mips_show_fpu_command): New static function.
	(_initialize_mips_tdep): Change handling of set/show mipsfpu.