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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;
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