contrib/gcc-4.4/gcc/ira.h

   1 /* Communication between the Integrated Register Allocator (IRA) and
   2    the rest of the compiler.
   3    Copyright (C) 2006, 2007, 2008, 2009
   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 /* True if we have allocno conflicts.  It is false for non-optimized
  24    mode or when the conflict table is too big.  */
  25 extern bool ira_conflicts_p;
  26
  27 extern void ira_init_once (void);
  28 extern void ira_init (void);
  29 extern void ira_finish_once (void);
  30 extern rtx ira_eliminate_regs (rtx, enum machine_mode);
  31
  32 extern void ira_sort_regnos_for_alter_reg (int *, int, unsigned int *);
  33 extern void ira_mark_allocation_change (int);
  34 extern void ira_mark_memory_move_deletion (int, int);
  35 extern bool ira_reassign_pseudos (int *, int, HARD_REG_SET, HARD_REG_SET *,
  36                                   HARD_REG_SET *, bitmap);
  37 extern rtx ira_reuse_stack_slot (int, unsigned int, unsigned int);
  38 extern void ira_mark_new_stack_slot (rtx, int, unsigned int);
  39 extern bool ira_better_spill_reload_regno_p (int *, int *, rtx, rtx, rtx);
  40