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1 /* Inline functions to test validity of reg classes for addressing modes.
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2 Copyright (C) 2006, 2007 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 /* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS,
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21 MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS.
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22 Arguments as for the MODE_CODE_BASE_REG_CLASS macro. */
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23
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24 static inline enum reg_class
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25 base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED,
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26 enum rtx_code outer_code ATTRIBUTE_UNUSED,
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27 enum rtx_code index_code ATTRIBUTE_UNUSED)
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28 {
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29 #ifdef MODE_CODE_BASE_REG_CLASS
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30 return MODE_CODE_BASE_REG_CLASS (mode, outer_code, index_code);
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31 #else
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32 #ifdef MODE_BASE_REG_REG_CLASS
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33 if (index_code == REG)
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34 return MODE_BASE_REG_REG_CLASS (mode);
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35 #endif
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36 #ifdef MODE_BASE_REG_CLASS
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37 return MODE_BASE_REG_CLASS (mode);
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38 #else
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39 return BASE_REG_CLASS;
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40 #endif
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41 #endif
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42 }
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43
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44 /* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P,
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45 REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and
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46 REGNO_OK_FOR_BASE_P.
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47 Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro. */
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48
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49 static inline bool
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50 ok_for_base_p_1 (unsigned regno, enum machine_mode mode ATTRIBUTE_UNUSED,
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51 enum rtx_code outer_code ATTRIBUTE_UNUSED,
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52 enum rtx_code index_code ATTRIBUTE_UNUSED)
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53 {
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54 #ifdef REGNO_MODE_CODE_OK_FOR_BASE_P
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55 return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, outer_code, index_code);
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56 #else
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57 #ifdef REGNO_MODE_OK_FOR_REG_BASE_P
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58 if (index_code == REG)
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59 return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode);
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60 #endif
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61 #ifdef REGNO_MODE_OK_FOR_BASE_P
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62 return REGNO_MODE_OK_FOR_BASE_P (regno, mode);
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63 #else
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64 return REGNO_OK_FOR_BASE_P (regno);
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65 #endif
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66 #endif
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67 }
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68
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69 /* Wrapper around ok_for_base_p_1, for use after register allocation is
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70 complete. Arguments as for the called function. */
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71
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72 static inline bool
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73 regno_ok_for_base_p (unsigned regno, enum machine_mode mode,
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74 enum rtx_code outer_code, enum rtx_code index_code)
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75 {
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76 if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0)
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77 regno = reg_renumber[regno];
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78
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79 return ok_for_base_p_1 (regno, mode, outer_code, index_code);
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80 }
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