gcc/lra.h

   1 /* Communication between the Local Register Allocator (LRA) and
   2    the rest of the compiler.
   3    Copyright (C) 2010-2017 Free Software Foundation, Inc.
   4    Contributed by Vladimir Makarov <vmakarov@redhat.com>.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_LRA_H
  23 #define GCC_LRA_H
  24
  25 extern bool lra_simple_p;
  26
  27 /* Return the allocno reg class of REGNO.  If it is a reload pseudo,
  28    the pseudo should finally get hard register of the allocno
  29    class.  */
  30 static inline enum reg_class
  31 lra_get_allocno_class (int regno)
  32 {
  33   resize_reg_info ();
  34   return reg_allocno_class (regno);
  35 }
  36
  37 extern rtx lra_create_new_reg (machine_mode, rtx, enum reg_class,
  38                                const char *);
  39 extern rtx lra_eliminate_regs (rtx, machine_mode, rtx);
  40 extern void lra (FILE *);
  41 extern void lra_init_once (void);
  42 extern void lra_finish_once (void);
  43
  44 #endif /* GCC_LRA_H */