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111
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1 /* Preamble and helpers for the autogenerated generic-match.c file.
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145
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2 Copyright (C) 2014-2020 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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145
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30 #include "vec-perm-indices.h"
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111
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31 #include "fold-const.h"
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32 #include "fold-const-call.h"
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33 #include "stor-layout.h"
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34 #include "tree-dfa.h"
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35 #include "builtins.h"
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36 #include "case-cfn-macros.h"
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37 #include "gimplify.h"
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38 #include "optabs-tree.h"
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145
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39 #include "dbgcnt.h"
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111
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40
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41 /* Routine to determine if the types T1 and T2 are effectively
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42 the same for GENERIC. If T1 or T2 is not a type, the test
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43 applies to their TREE_TYPE. */
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44
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45 static inline bool
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46 types_match (tree t1, tree t2)
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47 {
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48 if (!TYPE_P (t1))
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49 t1 = TREE_TYPE (t1);
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50 if (!TYPE_P (t2))
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51 t2 = TREE_TYPE (t2);
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52
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53 return TYPE_MAIN_VARIANT (t1) == TYPE_MAIN_VARIANT (t2);
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54 }
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55
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56 /* Return if T has a single use. For GENERIC, we assume this is
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57 always true. */
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58
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59 static inline bool
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60 single_use (tree t ATTRIBUTE_UNUSED)
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61 {
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62 return true;
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63 }
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64
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65 /* Return true if math operations should be canonicalized,
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66 e.g. sqrt(sqrt(x)) -> pow(x, 0.25). */
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67
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68 static inline bool
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69 canonicalize_math_p ()
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70 {
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71 return true;
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72 }
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131
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73
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74 /* Return true if math operations that are beneficial only after
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75 vectorization should be canonicalized. */
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76
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77 static inline bool
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78 canonicalize_math_after_vectorization_p ()
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79 {
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80 return false;
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81 }
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145
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82
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83 /* Return true if successive divisions can be optimized.
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84 Defer to GIMPLE opts. */
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85
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86 static inline bool
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87 optimize_successive_divisions_p (tree, tree)
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88 {
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89 return false;
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90 }
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