* double-int.h (tree_to_double_int): Remove macro.
	(double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
	* tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
	(tree_to_double_int): New function.
	* double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
	Move ...
	* tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.

From-SVN: r158993