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/* Common hooks for Motorola MCore.
   Copyright (C) 1993, 1999, 2000, 2001, 2002, 2003, 2004, 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"
 
/* What options are we going to default to specific settings when
   -O* happens; the user can subsequently override these settings.
 
   Omitting the frame pointer is a very good idea on the MCore.
   Scheduling isn't worth anything on the current MCore implementation.  */
 
static const struct default_options mcore_option_optimization_table[] =
  {
    { OPT_LEVELS_1_PLUS, OPT_ffunction_cse, NULL, 0 },
    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
    { OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 },
    { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 },
    { OPT_LEVELS_ALL, OPT_fschedule_insns2, NULL, 0 },
    { OPT_LEVELS_SIZE, OPT_mhardlit, NULL, 0 },
    { OPT_LEVELS_NONE, 0, NULL, 0 }
  };
 
#undef  TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS	TARGET_DEFAULT
 
#undef TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE mcore_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;