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/* Common hooks for Tensilica's Xtensa architecture.

   Copyright 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"

/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */

static const struct default_options xtensa_option_optimization_table[] =

  {

    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },

    /* Reordering blocks for Xtensa is not a good idea unless the

       compiler understands the range of conditional branches.

       Currently all branch relaxation for Xtensa is handled in the

       assembler, so GCC cannot do a good job of reordering blocks.

       Do not enable reordering unless it is explicitly requested.  */

    { OPT_LEVELS_ALL, OPT_freorder_blocks, 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 xtensa_option_optimization_table

struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;