2014-12-04  Richard Biener  <rguenther@suse.de>

	* builtins.c (target_newline): Export.
	(target_percent_s_newline): Likewise.
	(fold_builtin_1): Do not fold printf functions here.
	(fold_builtin_2): Likewise.
	(fold_builtin_3): Likewise, do not fold strncat.
	(fold_builtin_strncat): Move to gimple-fold.c.
	(fold_builtin_printf): Likewise.
	* builtins.h (target_newline): Declare.
	(target_percent_s_newline): Likewise.
	* gimple-fold.c (gimple_fold_builtin_strncat): Move from
	builtins.c and gimplify.
	(gimple_fold_builtin_printf): Likewise.
	(gimple_fold_builtin): Fold strncat, printf, printf_unlocked,
	vprintf, printf_chk and vprintf_chk here.

From-SVN: r218343