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/* Common hooks for Tensilica's Xtensa architecture.
Copyright (C) 2001-2015 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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