[vec-cmp, patch 5/6] Disable bool patterns when possible

[Jeff Law]

On 10/22/2015 10:04 AM, Ilya Enkovich wrote:

> 2015-09-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
>
> 	* tree-vect-patterns.c (check_bool_pattern): Check fails
> 	if we can vectorize comparison directly.
> 	(search_type_for_mask): New.
> 	(vect_recog_bool_pattern): Support cases when bool pattern
> 	check fails.
OK to commit when its prerequisites (if any) are committed.

jeff