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/* Common hooks for Sunplus S+CORE.

   Copyright (C) 2005, 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 score_option_optimization_table[] =

  {

    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },

    { OPT_LEVELS_NONE, 0, NULL, 0 }

  };

#undef TARGET_DEFAULT_TARGET_FLAGS

#define TARGET_DEFAULT_TARGET_FLAGS     TARGET_DEFAULT

#undef TARGET_HANDLE_OPTION

#define TARGET_HANDLE_OPTION            score_handle_option

#undef TARGET_OPTION_OPTIMIZATION_TABLE

#define TARGET_OPTION_OPTIMIZATION_TABLE score_option_optimization_table

#define MASK_ALL_CPU_BITS       (MASK_SCORE7 | MASK_SCORE7D)

/* Implement TARGET_HANDLE_OPTION.  */

static bool

score_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_mscore7d:

      opts->x_target_flags &= ~(MASK_ALL_CPU_BITS);

      opts->x_target_flags |= MASK_SCORE7 | MASK_SCORE7D;

      return true;

    case OPT_march_:

      opts->x_target_flags &= ~(MASK_ALL_CPU_BITS);

      opts->x_target_flags |= value;

      return true;

    default:

      return true;

    }

}

struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;