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1 /* Communication between the Local Register Allocator (LRA) and
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2 the rest of the compiler.
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3 Copyright (C) 2010-2020 Free Software Foundation, Inc.
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4 Contributed by Vladimir Makarov <vmakarov@redhat.com>.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #ifndef GCC_LRA_H
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23 #define GCC_LRA_H
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24
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25 extern bool lra_simple_p;
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26
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27 /* Return the allocno reg class of REGNO. If it is a reload pseudo,
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28 the pseudo should finally get hard register of the allocno
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29 class. */
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30 static inline enum reg_class
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31 lra_get_allocno_class (int regno)
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32 {
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33 resize_reg_info ();
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34 return reg_allocno_class (regno);
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35 }
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36
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37 extern rtx lra_create_new_reg (machine_mode, rtx, enum reg_class,
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38 const char *);
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39 extern rtx lra_eliminate_regs (rtx, machine_mode, rtx);
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40 extern void lra (FILE *);
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41 extern void lra_init_once (void);
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42 extern void lra_finish_once (void);
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43
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44 #endif /* GCC_LRA_H */
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