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111
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1 /* Preamble and helpers for the autogenerated generic-match.c file.
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131
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2 Copyright (C) 2014-2018 Free Software Foundation, Inc.
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111
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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 it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 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 #include "config.h"
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21 #include "system.h"
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22 #include "coretypes.h"
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23 #include "backend.h"
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24 #include "target.h"
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25 #include "rtl.h"
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26 #include "tree.h"
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27 #include "gimple.h"
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28 #include "ssa.h"
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29 #include "cgraph.h"
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30 #include "fold-const.h"
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31 #include "stor-layout.h"
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32 #include "tree-dfa.h"
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33 #include "builtins.h"
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34 #include "case-cfn-macros.h"
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35 #include "gimplify.h"
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36 #include "optabs-tree.h"
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37
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38
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39 /* Routine to determine if the types T1 and T2 are effectively
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40 the same for GENERIC. If T1 or T2 is not a type, the test
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41 applies to their TREE_TYPE. */
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42
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43 static inline bool
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44 types_match (tree t1, tree t2)
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45 {
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46 if (!TYPE_P (t1))
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47 t1 = TREE_TYPE (t1);
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48 if (!TYPE_P (t2))
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49 t2 = TREE_TYPE (t2);
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50
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51 return TYPE_MAIN_VARIANT (t1) == TYPE_MAIN_VARIANT (t2);
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52 }
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53
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54 /* Return if T has a single use. For GENERIC, we assume this is
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55 always true. */
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56
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57 static inline bool
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58 single_use (tree t ATTRIBUTE_UNUSED)
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59 {
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60 return true;
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61 }
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62
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63 /* Return true if math operations should be canonicalized,
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64 e.g. sqrt(sqrt(x)) -> pow(x, 0.25). */
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65
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66 static inline bool
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67 canonicalize_math_p ()
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68 {
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69 return true;
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70 }
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131
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71
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72 /* Return true if math operations that are beneficial only after
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73 vectorization should be canonicalized. */
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74
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75 static inline bool
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76 canonicalize_math_after_vectorization_p ()
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77 {
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78 return false;
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79 }
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