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/* Common hooks for Toshiba Media Processor.
   Copyright (C) 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"
 
static const struct default_options mep_option_optimization_table[] =
  {
    /* The first scheduling pass often increases register pressure and
       tends to result in more spill code.  Only run it when
       specifically asked.  */
    { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 },
 
    /* Using $fp doesn't gain us much, even when debugging is
       important.  */
    { OPT_LEVELS_ALL, OPT_fomit_frame_pointer, NULL, 1 },
 
    { OPT_LEVELS_NONE, 0, NULL, 0 }
  };
 
static bool
mep_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;
 
  switch (code)
    {
    case OPT_mall_opts:
      opts->x_target_flags |= MEP_ALL_OPTS;
      break;
 
    case OPT_mno_opts:
      opts->x_target_flags &= ~ MEP_ALL_OPTS;
      break;
 
    case OPT_mcop64:
      opts->x_target_flags |= MASK_COP;
      opts->x_target_flags |= MASK_64BIT_CR_REGS;
      break;
 
    case OPT_mivc2:
      opts->x_target_flags |= MASK_COP;
      opts->x_target_flags |= MASK_64BIT_CR_REGS;
      opts->x_target_flags |= MASK_VLIW;
      opts->x_target_flags |= MASK_OPT_VL64;
      opts->x_target_flags |= MASK_IVC2;
 
      /* Remaining handling of this option deferred.  */
      break;
 
    default:
      break;
    }
  return TRUE;
}
 
#undef  TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION            mep_handle_option
#undef  TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE	mep_option_optimization_table
#undef  TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS	TARGET_DEFAULT
 
struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;