1 /* Inline functions to test validity of reg classes for addressing modes. 2 Copyright (C) 2006, 2007 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 /* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS, 21 MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS. 22 Arguments as for the MODE_CODE_BASE_REG_CLASS macro. */ 23 24 static inline enum reg_class 25 base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED, 26 enum rtx_code outer_code ATTRIBUTE_UNUSED, 27 enum rtx_code index_code ATTRIBUTE_UNUSED) 28 { 29 #ifdef MODE_CODE_BASE_REG_CLASS 30 return MODE_CODE_BASE_REG_CLASS (mode, outer_code, index_code); 31 #else 32 #ifdef MODE_BASE_REG_REG_CLASS 33 if (index_code == REG) 34 return MODE_BASE_REG_REG_CLASS (mode); 35 #endif 36 #ifdef MODE_BASE_REG_CLASS 37 return MODE_BASE_REG_CLASS (mode); 38 #else 39 return BASE_REG_CLASS; 40 #endif 41 #endif 42 } 43 44 /* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P, 45 REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and 46 REGNO_OK_FOR_BASE_P. 47 Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro. */ 48 49 static inline bool 50 ok_for_base_p_1 (unsigned regno, enum machine_mode mode ATTRIBUTE_UNUSED, 51 enum rtx_code outer_code ATTRIBUTE_UNUSED, 52 enum rtx_code index_code ATTRIBUTE_UNUSED) 53 { 54 #ifdef REGNO_MODE_CODE_OK_FOR_BASE_P 55 return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, outer_code, index_code); 56 #else 57 #ifdef REGNO_MODE_OK_FOR_REG_BASE_P 58 if (index_code == REG) 59 return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode); 60 #endif 61 #ifdef REGNO_MODE_OK_FOR_BASE_P 62 return REGNO_MODE_OK_FOR_BASE_P (regno, mode); 63 #else 64 return REGNO_OK_FOR_BASE_P (regno); 65 #endif 66 #endif 67 } 68 69 /* Wrapper around ok_for_base_p_1, for use after register allocation is 70 complete. Arguments as for the called function. */ 71 72 static inline bool 73 regno_ok_for_base_p (unsigned regno, enum machine_mode mode, 74 enum rtx_code outer_code, enum rtx_code index_code) 75 { 76 if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0) 77 regno = reg_renumber[regno]; 78 79 return ok_for_base_p_1 (regno, mode, outer_code, index_code); 80 } 81