1  /* Structures and prototypes common across the normal GCSE
       2     implementation and the post-reload implementation.
       3     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       4  
       5  This file is part of GCC.
       6  
       7  GCC is free software; you can redistribute it and/or modify it under
       8  the terms of the GNU General Public License as published by the Free
       9  Software Foundation; either version 3, or (at your option) any later
      10  version.
      11  
      12  GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      13  WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      15  for more details.
      16  
      17  You should have received a copy of the GNU General Public License
      18  along with GCC; see the file COPYING3.  If not see
      19  <http://www.gnu.org/licenses/>.  */
      20  
      21  #ifndef GCC_GCSE_COMMON_H
      22  #define GCC_GCSE_COMMON_H
      23  
      24  typedef vec<rtx_insn *> vec_rtx_heap;
      25  struct modify_pair
      26  {
      27    rtx dest;                     /* A MEM.  */
      28    rtx dest_addr;                /* The canonical address of `dest'.  */
      29  };
      30  
      31  typedef vec<modify_pair> vec_modify_pair_heap;
      32  
      33  struct gcse_note_stores_info
      34  {
      35    rtx_insn *insn;
      36    vec<modify_pair> *canon_mem_list;
      37  };
      38  
      39  extern void compute_transp (const_rtx, int, sbitmap *, bitmap,
      40  			    bitmap, vec<modify_pair> *);
      41  extern void record_last_mem_set_info_common (rtx_insn *,
      42  					     vec<rtx_insn *> *,
      43  					     vec<modify_pair> *,
      44  					     bitmap, bitmap);
      45  
      46  
      47  #endif