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       1                 :             : /* A class for building vector tree constants.
       2                 :             :    Copyright (C) 2017-2025 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 "tree.h"
      24                 :             : #include "fold-const.h"
      25                 :             : #include "tree-vector-builder.h"
      26                 :             : 
      27                 :             : /* Return a vector element with the value BASE + FACTOR * STEP.  */
      28                 :             : 
      29                 :             : tree
      30                 :           0 : tree_vector_builder::apply_step (tree base, unsigned int factor,
      31                 :             :                                  const wide_int &step) const
      32                 :             : {
      33                 :           0 :   return wide_int_to_tree (TREE_TYPE (base),
      34                 :           0 :                            wi::to_wide (base) + factor * step);
      35                 :             : }
      36                 :             : 
      37                 :             : /* Return a VECTOR_CST for the current constant.  */
      38                 :             : 
      39                 :             : tree
      40                 :     3178643 : tree_vector_builder::build ()
      41                 :             : {
      42                 :     3178643 :   finalize ();
      43                 :     3178643 :   gcc_assert (pow2p_hwi (npatterns ()));
      44                 :     3178643 :   tree v = make_vector (exact_log2 (npatterns ()), nelts_per_pattern ());
      45                 :     3178643 :   TREE_TYPE (v) = m_type;
      46                 :     3178643 :   memcpy (VECTOR_CST_ENCODED_ELTS (v), address (),
      47                 :     3178643 :           encoded_nelts () * sizeof (tree));
      48                 :     3178643 :   return v;
      49                 :             : }