gcc/optabs-tree.h

   1 /* Tree-based target query functions relating to optabs
   2    Copyright (C) 2001-2024 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
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 3, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License 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 #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.  */
  28 enum optab_subtype
  29 {
  30   optab_default,
  31   optab_scalar,
  32   optab_vector,
  33   optab_vector_mixed_sign
  34 };
  35
  36 /* Return the optab used for computing the given operation on the type given by
  37    the second argument.  The third argument distinguishes between the types of
  38    vector shifts and rotates.  */
  39 optab optab_for_tree_code (enum tree_code, const_tree, enum optab_subtype);
  40 bool
  41 supportable_half_widening_operation (enum tree_code, tree, tree,
  42                                     enum tree_code *);
  43 bool supportable_convert_operation (enum tree_code, tree, tree,
  44                                     enum tree_code *);
  45 bool expand_vec_cmp_expr_p (tree, tree, enum tree_code);
  46 bool expand_vec_cond_expr_p (tree, tree, enum tree_code);
  47 void init_tree_optimization_optabs (tree);
  48 bool target_supports_op_p (tree, enum tree_code,
  49                            enum optab_subtype = optab_default);
  50 bool can_vec_mask_load_store_p (machine_mode, machine_mode, bool,
  51                                 internal_fn * = nullptr);
  52 opt_machine_mode get_len_load_store_mode (machine_mode, bool,
  53                                           internal_fn * = nullptr);
  54
  55 #endif