gcc/

2015-11-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

	* optabs-query.h (get_vcond_mask_icode): New.
	* optabs-tree.c (expand_vec_cond_expr_p): Use
	get_vcond_mask_icode for VEC_COND_EXPR with mask.
	* optabs.c (expand_vec_cond_mask_expr): New.
	(expand_vec_cond_expr): Use get_vcond_mask_icode
	when possible.
	* optabs.def (vcond_mask_optab): New.
	* tree-vect-patterns.c (vect_recog_bool_pattern): Don't
	generate redundant comparison for COND_EXPR.
	* tree-vect-stmts.c (vect_is_simple_cond): Allow SSA_NAME
	as a condition.
	(vectorizable_condition): Likewise.
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Allow
	cond_exp with no embedded comparison.
	(vect_build_slp_tree_1): Likewise.

From-SVN: r230101