addresses.h revision 256281
1/* Inline functions to test validity of reg classes for addressing modes. 2 Copyright (C) 2006 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 2, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING. If not, write to the Free 18Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 1902110-1301, USA. */ 20 21/* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS, 22 MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS. 23 Arguments as for the MODE_CODE_BASE_REG_CLASS macro. */ 24 25static inline enum reg_class 26base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED, 27 enum rtx_code outer_code ATTRIBUTE_UNUSED, 28 enum rtx_code index_code ATTRIBUTE_UNUSED) 29{ 30#ifdef MODE_CODE_BASE_REG_CLASS 31 return MODE_CODE_BASE_REG_CLASS (mode, outer_code, index_code); 32#else 33#ifdef MODE_BASE_REG_REG_CLASS 34 if (index_code == REG) 35 return MODE_BASE_REG_REG_CLASS (mode); 36#endif 37#ifdef MODE_BASE_REG_CLASS 38 return MODE_BASE_REG_CLASS (mode); 39#else 40 return BASE_REG_CLASS; 41#endif 42#endif 43} 44 45/* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P, 46 REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and 47 REGNO_OK_FOR_BASE_P. 48 Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro. */ 49 50static inline bool 51ok_for_base_p_1 (unsigned regno, enum machine_mode mode ATTRIBUTE_UNUSED, 52 enum rtx_code outer_code ATTRIBUTE_UNUSED, 53 enum rtx_code index_code ATTRIBUTE_UNUSED) 54{ 55#ifdef REGNO_MODE_CODE_OK_FOR_BASE_P 56 return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, outer_code, index_code); 57#else 58#ifdef REGNO_MODE_OK_FOR_REG_BASE_P 59 if (index_code == REG) 60 return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode); 61#endif 62#ifdef REGNO_MODE_OK_FOR_BASE_P 63 return REGNO_MODE_OK_FOR_BASE_P (regno, mode); 64#else 65 return REGNO_OK_FOR_BASE_P (regno); 66#endif 67#endif 68} 69 70/* Wrapper around ok_for_base_p_1, for use after register allocation is 71 complete. Arguments as for the called function. */ 72 73static inline bool 74regno_ok_for_base_p (unsigned regno, enum machine_mode mode, 75 enum rtx_code outer_code, enum rtx_code index_code) 76{ 77 if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0) 78 regno = reg_renumber[regno]; 79 80 return ok_for_base_p_1 (regno, mode, outer_code, index_code); 81} 82