freebsd-dev/contrib/gcc/addresses.h
2007-05-19 01:19:51 +00:00

82 lines
2.7 KiB
C

/* Inline functions to test validity of reg classes for addressing modes.
Copyright (C) 2006 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 2, 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 COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
/* 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,
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, 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, enum machine_mode mode 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, 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,
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, outer_code, index_code);
}