gcc/lra.h

   1 /* Communication between the Local Register Allocator (LRA) and
   2    the rest of the compiler.
   3    Copyright (C) 2010, 2011, 2012
   4    Free Software Foundation, Inc.
   5    Contributed by Vladimir Makarov <vmakarov@redhat.com>.
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 extern bool lra_simple_p;
  24
  25 /* Return the allocno reg class of REGNO.  If it is a reload pseudo,
  26    the pseudo should finally get hard register of the allocno
  27    class.  */
  28 static inline enum reg_class
  29 lra_get_allocno_class (int regno)
  30 {
  31   resize_reg_info ();
  32   return reg_allocno_class (regno);
  33 }
  34
  35 extern rtx lra_create_new_reg (enum machine_mode, rtx, enum reg_class,
  36                                const char *);
  37 extern void lra_init_elimination (void);
  38 extern rtx lra_eliminate_regs (rtx, enum machine_mode, rtx);
  39 extern void lra (FILE *);
  40 extern void lra_init_once (void);
  41 extern void lra_init (void);
  42 extern void lra_finish_once (void);