1 /* Preamble and helpers for the autogenerated generic-match.c file. 2 Copyright (C) 2014-2020 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #include "config.h" 21 #include "system.h" 22 #include "coretypes.h" 23 #include "backend.h" 24 #include "target.h" 25 #include "rtl.h" 26 #include "tree.h" 27 #include "gimple.h" 28 #include "ssa.h" 29 #include "cgraph.h" 30 #include "vec-perm-indices.h" 31 #include "fold-const.h" 32 #include "fold-const-call.h" 33 #include "stor-layout.h" 34 #include "tree-dfa.h" 35 #include "builtins.h" 36 #include "case-cfn-macros.h" 37 #include "gimplify.h" 38 #include "optabs-tree.h" 39 #include "dbgcnt.h" 40 41 /* Routine to determine if the types T1 and T2 are effectively 42 the same for GENERIC. If T1 or T2 is not a type, the test 43 applies to their TREE_TYPE. */ 44 45 static inline bool 46 types_match (tree t1, tree t2) 47 { 48 if (!TYPE_P (t1)) 49 t1 = TREE_TYPE (t1); 50 if (!TYPE_P (t2)) 51 t2 = TREE_TYPE (t2); 52 53 return TYPE_MAIN_VARIANT (t1) == TYPE_MAIN_VARIANT (t2); 54 } 55 56 /* Return if T has a single use. For GENERIC, we assume this is 57 always true. */ 58 59 static inline bool 60 single_use (tree t ATTRIBUTE_UNUSED) 61 { 62 return true; 63 } 64 65 /* Return true if math operations should be canonicalized, 66 e.g. sqrt(sqrt(x)) -> pow(x, 0.25). */ 67 68 static inline bool 69 canonicalize_math_p () 70 { 71 return true; 72 } 73 74 /* Return true if math operations that are beneficial only after 75 vectorization should be canonicalized. */ 76 77 static inline bool 78 canonicalize_math_after_vectorization_p () 79 { 80 return false; 81 } 82 83 /* Return true if successive divisions can be optimized. 84 Defer to GIMPLE opts. */ 85 86 static inline bool 87 optimize_successive_divisions_p (tree, tree) 88 { 89 return false; 90 } 91