/* Inline functions to test validity of reg classes for addressing modes.
   Copyright (C) 2006, 2007, 2010, 2011 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

/* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS,
   MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS.
   Arguments as for the MODE_CODE_BASE_REG_CLASS macro.  */

static inline enum reg_class
base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED,
		addr_space_t as ATTRIBUTE_UNUSED,
		enum rtx_code outer_code ATTRIBUTE_UNUSED,
		enum rtx_code index_code ATTRIBUTE_UNUSED)
{
#ifdef MODE_CODE_BASE_REG_CLASS
  return MODE_CODE_BASE_REG_CLASS (mode, as, outer_code, index_code);
#else
#ifdef MODE_BASE_REG_REG_CLASS
  if (index_code == REG)
    return MODE_BASE_REG_REG_CLASS (mode);
#endif
#ifdef MODE_BASE_REG_CLASS
  return MODE_BASE_REG_CLASS (mode);
#else
  return BASE_REG_CLASS;
#endif
#endif
}

/* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P,
   REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and
   REGNO_OK_FOR_BASE_P.
   Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro.  */

static inline bool
ok_for_base_p_1 (unsigned regno ATTRIBUTE_UNUSED,
		 enum machine_mode mode ATTRIBUTE_UNUSED,
		 addr_space_t as ATTRIBUTE_UNUSED,
		 enum rtx_code outer_code ATTRIBUTE_UNUSED,
		 enum rtx_code index_code ATTRIBUTE_UNUSED)
{
#ifdef REGNO_MODE_CODE_OK_FOR_BASE_P
  return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, as,
					outer_code, index_code);
#else
#ifdef REGNO_MODE_OK_FOR_REG_BASE_P
  if (index_code == REG)
    return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode);
#endif
#ifdef REGNO_MODE_OK_FOR_BASE_P
  return REGNO_MODE_OK_FOR_BASE_P (regno, mode);
#else
  return REGNO_OK_FOR_BASE_P (regno);
#endif
#endif
}

/* Wrapper around ok_for_base_p_1, for use after register allocation is
   complete.  Arguments as for the called function.  */

static inline bool
regno_ok_for_base_p (unsigned regno, enum machine_mode mode, addr_space_t as,
		     enum rtx_code outer_code, enum rtx_code index_code)
{
  if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0)
    regno = reg_renumber[regno];

  return ok_for_base_p_1 (regno, mode, as, outer_code, index_code);
}