Open64: osprey-gcc-4.2.0/gcc/addresses.h Source File

00001 /* Inline functions to test validity of reg classes for addressing modes.
00002    Copyright (C) 2006 Free Software Foundation, Inc.
00003 
00004 This file is part of GCC.
00005 
00006 GCC is free software; you can redistribute it and/or modify it under
00007 the terms of the GNU General Public License as published by the Free
00008 Software Foundation; either version 2, or (at your option) any later
00009 version.
00010 
00011 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
00012 WARRANTY; without even the implied warranty of MERCHANTABILITY or
00013 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00014 for more details.
00015 
00016 You should have received a copy of the GNU General Public License
00017 along with GCC; see the file COPYING.  If not, write to the Free
00018 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
00019 02110-1301, USA.  */
00020 
00021 /* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS,
00022    MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS.
00023    Arguments as for the MODE_CODE_BASE_REG_CLASS macro.  */
00024 
00025 static inline enum reg_class
00026 base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED,
00027     enum rtx_code outer_code ATTRIBUTE_UNUSED,
00028     enum rtx_code index_code ATTRIBUTE_UNUSED)
00029 {
00030 #ifdef MODE_CODE_BASE_REG_CLASS
00031   return MODE_CODE_BASE_REG_CLASS (mode, outer_code, index_code);
00032 #else
00033 #ifdef MODE_BASE_REG_REG_CLASS
00034   if (index_code == REG)
00035     return MODE_BASE_REG_REG_CLASS (mode);
00036 #endif
00037 #ifdef MODE_BASE_REG_CLASS
00038   return MODE_BASE_REG_CLASS (mode);
00039 #else
00040   return BASE_REG_CLASS;
00041 #endif
00042 #endif
00043 }
00044 
00045 /* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P,
00046    REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and
00047    REGNO_OK_FOR_BASE_P.
00048    Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro.  */
00049 
00050 static inline bool
00051 ok_for_base_p_1 (unsigned regno, enum machine_mode mode ATTRIBUTE_UNUSED,
00052      enum rtx_code outer_code ATTRIBUTE_UNUSED,
00053      enum rtx_code index_code ATTRIBUTE_UNUSED)
00054 {
00055 #ifdef REGNO_MODE_CODE_OK_FOR_BASE_P
00056   return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, outer_code, index_code);
00057 #else
00058 #ifdef REGNO_MODE_OK_FOR_REG_BASE_P
00059   if (index_code == REG)
00060     return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode);
00061 #endif
00062 #ifdef REGNO_MODE_OK_FOR_BASE_P
00063   return REGNO_MODE_OK_FOR_BASE_P (regno, mode);
00064 #else
00065   return REGNO_OK_FOR_BASE_P (regno);
00066 #endif
00067 #endif
00068 }
00069 
00070 /* Wrapper around ok_for_base_p_1, for use after register allocation is
00071    complete.  Arguments as for the called function.  */
00072 
00073 static inline bool
00074 regno_ok_for_base_p (unsigned regno, enum machine_mode mode,
00075          enum rtx_code outer_code, enum rtx_code index_code)
00076 {
00077   if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0)
00078     regno = reg_renumber[regno];
00079 
00080   return ok_for_base_p_1 (regno, mode, outer_code, index_code);
00081 }