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1 /* Communication between the Integrated Register Allocator (IRA) and
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2 the rest of the compiler.
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3 Copyright (C) 2006, 2007, 2008, 2009
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4 Free Software Foundation, Inc.
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5 Contributed by Vladimir Makarov <vmakarov@redhat.com>.
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6
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7 This file is part of GCC.
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8
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9 GCC is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License as published by the Free
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11 Software Foundation; either version 3, or (at your option) any later
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12 version.
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13
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14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with GCC; see the file COPYING3. If not see
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21 <http://www.gnu.org/licenses/>. */
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22
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23 /* True if we have allocno conflicts. It is false for non-optimized
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24 mode or when the conflict table is too big. */
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25 extern bool ira_conflicts_p;
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26
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27 extern void ira_init_once (void);
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28 extern void ira_init (void);
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29 extern void ira_finish_once (void);
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30 extern rtx ira_eliminate_regs (rtx, enum machine_mode);
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31
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32 extern void ira_sort_regnos_for_alter_reg (int *, int, unsigned int *);
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33 extern void ira_mark_allocation_change (int);
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34 extern void ira_mark_memory_move_deletion (int, int);
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35 extern bool ira_reassign_pseudos (int *, int, HARD_REG_SET, HARD_REG_SET *,
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36 HARD_REG_SET *, bitmap);
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37 extern rtx ira_reuse_stack_slot (int, unsigned int, unsigned int);
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38 extern void ira_mark_new_stack_slot (rtx, int, unsigned int);
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39 extern bool ira_better_spill_reload_regno_p (int *, int *, rtx, rtx, rtx);
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40
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