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/* TI C6X common hooks.

   Copyright (C) 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 "tm_p.h"

#include "common/common-target.h"

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

#include "opts.h"

#include "flags.h"

/* Implement overriding of the optimization options.  */

static const struct default_options c6x_option_optimization_table[] =

  {

    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },

    { OPT_LEVELS_1_PLUS, OPT_frename_registers, NULL, 1 },

    { OPT_LEVELS_2_PLUS, OPT_fmodulo_sched, NULL, 1 },

    { OPT_LEVELS_ALL, OPT_freciprocal_math, NULL, 1 },

    { OPT_LEVELS_NONE, 0, NULL, 0 }

  };

/* Implement TARGET_EXCEPT_UNWIND_INFO.  */

static enum unwind_info_type

c6x_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED)

{

  /* Honor the --enable-sjlj-exceptions configure switch.  */

#ifdef CONFIG_SJLJ_EXCEPTIONS

  if (CONFIG_SJLJ_EXCEPTIONS)

    return UI_SJLJ;

#endif

  return UI_TARGET;

}

#undef TARGET_DEFAULT_TARGET_FLAGS

#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT

#undef TARGET_OPTION_OPTIMIZATION_TABLE

#define TARGET_OPTION_OPTIMIZATION_TABLE c6x_option_optimization_table

#undef TARGET_EXCEPT_UNWIND_INFO

#define TARGET_EXCEPT_UNWIND_INFO  c6x_except_unwind_info

struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;