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/* Common hooks for Matsushita MN10300 series.
   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 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/>.  */
 
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "common/common-target.h"
#include "common/common-target-def.h"
#include "opts.h"
#include "flags.h"
 
/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
static const struct default_options mn10300_option_optimization_table[] =
  {
    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
    { OPT_LEVELS_NONE, 0, NULL, 0 }
  };
 
/* Implement TARGET_HANDLE_OPTION.  */
 
static bool
mn10300_handle_option (struct gcc_options *opts,
		       struct gcc_options *opts_set ATTRIBUTE_UNUSED,
		       const struct cl_decoded_option *decoded,
		       location_t loc ATTRIBUTE_UNUSED)
{
  size_t code = decoded->opt_index;
  int value = decoded->value;
 
  switch (code)
    {
    case OPT_mam33:
      opts->x_mn10300_processor = value ? PROCESSOR_AM33 : PROCESSOR_MN10300;
      return true;
 
    case OPT_mam33_2:
      opts->x_mn10300_processor = (value
				   ? PROCESSOR_AM33_2
				   : MIN (PROCESSOR_AM33, PROCESSOR_DEFAULT));
      return true;
 
    case OPT_mam34:
      opts->x_mn10300_processor = (value ? PROCESSOR_AM34 : PROCESSOR_DEFAULT);
      return true;
 
    default:
      return true;
    }
}
 
#undef  TARGET_EXCEPT_UNWIND_INFO
#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
 
#undef  TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS MASK_MULT_BUG | MASK_PTR_A0D0 | MASK_ALLOW_LIW | MASK_ALLOW_SETLB
#undef  TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION mn10300_handle_option
#undef  TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE mn10300_option_optimization_table
 
struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;