Line data    Source code

       1              : /* A class for building vector tree constants.
       2              :    Copyright (C) 2017-2026 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      3269243 : tree_vector_builder::build ()
      41              : {
      42      3269243 :   finalize ();
      43      3269243 :   gcc_assert (pow2p_hwi (npatterns ()));
      44      3269243 :   tree v = make_vector (exact_log2 (npatterns ()), nelts_per_pattern ());
      45      3269243 :   TREE_TYPE (v) = m_type;
      46      3269243 :   memcpy (VECTOR_CST_ENCODED_ELTS (v), address (),
      47      3269243 :           encoded_nelts () * sizeof (tree));
      48      3269243 :   return v;
      49              : }