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/* Common hooks for Renesas RX.

   Copyright (C) 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 "diagnostic-core.h"

#include "tm.h"

#include "common/common-target.h"

#include "common/common-target-def.h"

#include "opts.h"

#include "flags.h"

/* Extra processing for target specific command line options.  */

static bool

rx_handle_option (struct gcc_options *opts,

                  struct gcc_options *opts_set ATTRIBUTE_UNUSED,

                  const struct cl_decoded_option *decoded,

                  location_t loc)

{

  size_t code = decoded->opt_index;

  int value = decoded->value;

  switch (code)

    {

    case OPT_mint_register_:

      /* Make sure that the -mint-register option is in range.  Other

         handling in rx_option_override.  */

      return value >= 0 && value <= 4;

      break;

    case OPT_mmax_constant_size_:

      /* Make sure that the -mmax-constant_size option is in range.  */

      return value >= 0 && value <= 4;

    case OPT_mcpu_:

      if ((enum rx_cpu_types) value == RX200)

        opts->x_target_flags |= MASK_NO_USE_FPU;

      break;

    case OPT_fpu:

      if (opts->x_rx_cpu_type == RX200)

        error_at (loc, "the RX200 cpu does not have FPU hardware");

      break;

    default:

      break;

    }

  return true;

}

/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */

static const struct default_options rx_option_optimization_table[] =

  {

    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },

    { OPT_LEVELS_NONE, 0, NULL, 0 }

  };

#undef  TARGET_HANDLE_OPTION

#define TARGET_HANDLE_OPTION                    rx_handle_option

#undef  TARGET_OPTION_OPTIMIZATION_TABLE

#define TARGET_OPTION_OPTIMIZATION_TABLE        rx_option_optimization_table

#undef  TARGET_EXCEPT_UNWIND_INFO

#define TARGET_EXCEPT_UNWIND_INFO               sjlj_except_unwind_info

struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;