gcc/

	* doc/tm.texi: Regenerated.
	* doc/tm.texi.in (TARGET_VECTORIZE_GET_MASK_MODE): New.
	* stor-layout.c (layout_type): Use mode to get vector mask size.
	* target.def (get_mask_mode): New.
	* targhooks.c (default_get_mask_mode): New.
	* targhooks.h (default_get_mask_mode): New.
	* gcc/tree-vect-stmts.c (get_same_sized_vectype): Add special case
	for boolean vector.
	* tree.c (MAX_BOOL_CACHED_PREC): New.
	(nonstandard_boolean_type_cache): New.
	(build_nonstandard_boolean_type): New.
	(make_vector_type): Vector mask has no canonical type.
	(build_truth_vector_type): New.
	(build_same_sized_truth_vector_type): New.
	(truth_type_for): Support vector masks.
	* tree.h (VECTOR_BOOLEAN_TYPE_P): New.
	(build_truth_vector_type): New.
	(build_same_sized_truth_vector_type): New.
	(build_nonstandard_boolean_type): New.
	* tree-cfg.c (verify_gimple_comparison) Require boolean
	vector type for vector comparison.
	(verify_gimple_assign_ternary): Likewise.
	* optabs.c (expand_vec_cond_expr): Accept boolean vector as
	condition operand.
	* tree-vect-stmts.c (vectorizable_condition): Use boolean
	vector type for vector comparison.
	* tree-vect-generic.c (elem_op_func): Add new operand to hold
	vector type.
	(do_unop): Adjust to modified function type.
	(do_binop): Likewise.
	(do_plus_minus): Likewise.
	(do_negate); Likewise.
	(expand_vector_piecewise): Likewise.
	(do_cond): Likewise.
	(do_compare): Use comparison instead of condition.
	(expand_vector_divmod): Use boolean vector type for comparison.
	(expand_vector_operations_1): Skip scalar mask operations.

gcc/c

	* c-typeck.c (build_conditional_expr): Use boolean vector
	type for vector comparison.
	(build_vec_cmp): New.
	(build_binary_op): Use build_vec_cmp for comparison.

gcc/cp

	* call.c (build_conditional_expr_1): Use boolean vector
	type for vector comparison.
	* typeck.c (build_vec_cmp): New.
	(cp_build_binary_op): Use build_vec_cmp for comparison.

gcc/testsuite/

	* g++.dg/ext/vector22.C: Allow VEC_COND_EXPR.

From-SVN: r229128