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      1 /* Tree-based target query functions relating to optabs
      2    Copyright (C) 2001-2022 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 
     51 #endif
     52