gcc/gcse-common.h

   1 /* Structures and prototypes common across the normal GCSE
   2    implementation and the post-reload implementation.
   3    Copyright (C) 1997-2020 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