* tree-vectorizer.h (NUM_PATTERNS): Increment.
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
	vect_recog_rotate_pattern.
	(vect_recog_rotate_pattern): New function.

	* gcc.target/i386/rotate-3.c: New test.
	* gcc.target/i386/rotate-3a.c: New test.
	* gcc.target/i386/rotate-4.c: New test.
	* gcc.target/i386/rotate-4a.c: New test.
	* gcc.target/i386/rotate-5.c: New test.
	* gcc.target/i386/rotate-5a.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198978 138bc75d-0d04-0410-961f-82ee72b054a4