1/* Tree-based target query functions relating to optabs
2 Copyright (C) 2001-2017 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3. If not see
18<http://www.gnu.org/licenses/>. */
19
20#ifndef GCC_OPTABS_TREE_H
21#define GCC_OPTABS_TREE_H
22
23#include "optabs-query.h"
24
25/* An extra flag to control optab_for_tree_code's behavior. This is needed to
26 distinguish between machines with a vector shift that takes a scalar for the
27 shift amount vs. machines that take a vector for the shift amount. */
28enum optab_subtype
29{
30 optab_default,
31 optab_scalar,
32 optab_vector
33};
34
35/* Return the optab used for computing the given operation on the type given by
36 the second argument. The third argument distinguishes between the types of
37 vector shifts and rotates. */
38optab optab_for_tree_code (enum tree_code, const_tree, enum optab_subtype);
39bool supportable_convert_operation (enum tree_code, tree, tree, tree *,
40 enum tree_code *);
41bool expand_vec_cmp_expr_p (tree, tree, enum tree_code);
42bool expand_vec_cond_expr_p (tree, tree, enum tree_code);
43void init_tree_optimization_optabs (tree);
44bool target_supports_op_p (tree, enum tree_code,
45 enum optab_subtype = optab_default);
46
47#endif
48