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1 /* Prototypes for exported functions defined in crx.c
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2 Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
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3 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published
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9 by the Free Software Foundation; either version 3, or (at your
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10 option) any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_CRX_PROTOS_H
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22 #define GCC_CRX_PROTOS_H
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23
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24
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25 /* Register usage. */
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26 extern enum reg_class crx_regno_reg_class (int);
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27 extern int crx_hard_regno_mode_ok (int regno, enum machine_mode);
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28 #ifdef RTX_CODE
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29 extern enum reg_class crx_secondary_reload_class (enum reg_class, enum machine_mode, rtx);
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30 #endif /* RTX_CODE */
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31
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32 /* Passing function arguments. */
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33 extern int crx_function_arg_regno_p (int);
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34 #ifdef TREE_CODE
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35 extern void crx_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
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36 #ifdef RTX_CODE
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37 extern void crx_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
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38 extern rtx crx_function_arg (struct cumulative_args *, enum machine_mode, tree, int);
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39 #endif /* RTX_CODE */
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40 #endif /* TREE_CODE */
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41
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42 #ifdef RTX_CODE
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43 /* Addressing Modes. */
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44 struct crx_address
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45 {
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46 rtx base, index, disp, side_effect;
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47 int scale;
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48 };
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49
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50 enum crx_addrtype
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51 {
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52 CRX_INVALID, CRX_REG_REL, CRX_POST_INC, CRX_SCALED_INDX, CRX_ABSOLUTE
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53 };
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54
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55 extern enum crx_addrtype crx_decompose_address (rtx addr, struct crx_address *out);
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56 extern int crx_legitimate_address_p (enum machine_mode, rtx, int);
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57
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58 extern int crx_const_double_ok (rtx op);
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59
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60 /* Instruction output. */
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61 extern void crx_print_operand (FILE *, rtx, int);
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62 extern void crx_print_operand_address (FILE *, rtx);
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63
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64 /* Misc functions called from crx.md. */
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65 extern rtx crx_expand_compare (enum rtx_code, enum machine_mode);
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66 extern void crx_expand_branch (enum rtx_code, rtx);
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67 extern void crx_expand_scond (enum rtx_code, rtx);
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68
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69 extern void crx_expand_movmem_single (rtx, rtx, rtx, rtx, rtx, unsigned HOST_WIDE_INT *);
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70 extern int crx_expand_movmem (rtx, rtx, rtx, rtx);
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71 #endif /* RTX_CODE */
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72
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73 /* Routines to compute costs. */
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74 extern int crx_memory_move_cost (enum machine_mode, enum reg_class, int);
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75
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76 /* Prologue/Epilogue functions. */
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77 extern int crx_initial_elimination_offset (int, int);
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78 extern char *crx_prepare_push_pop_string (int);
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79 extern void crx_expand_prologue (void);
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80 extern void crx_expand_epilogue (void);
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81
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82
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83 /* Handling the "interrupt" attribute */
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84 extern int crx_interrupt_function_p (void);
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85
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86 #endif /* GCC_CRX_PROTOS_H */
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