text: /* Structures and prototypes common across the normal GCSE
     implementation and the post-reload implementation.
     Copyright (C) 1997-2020 Free Software Foundation, Inc.
  
  This file is part of GCC.
  
  GCC is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free
  Software Foundation; either version 3, or (at your option) any later
  version.
  
  GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  for more details.
  
  You should have received a copy of the GNU General Public License
  along with GCC; see the file COPYING3.  If not see
  <http://www.gnu.org/licenses/>.  */
  
  #ifndef GCC_GCSE_COMMON_H
  #define GCC_GCSE_COMMON_H
  
  typedef vec<rtx_insn *> vec_rtx_heap;
  struct modify_pair
  {
    rtx dest;                     /* A MEM.  */
    rtx dest_addr;                /* The canonical address of `dest'.  */
  };
  
  typedef vec<modify_pair> vec_modify_pair_heap;
  
  struct gcse_note_stores_info
  {
    rtx_insn *insn;
    vec<modify_pair> *canon_mem_list;
  };
  
  extern void compute_transp (const_rtx, int, sbitmap *, bitmap,
  			    bitmap, vec<modify_pair> *);
  extern void record_last_mem_set_info_common (rtx_insn *,
  					     vec<rtx_insn *> *,
  					     vec<modify_pair> *,
  					     bitmap, bitmap);
  
  
  #endif
  