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