1/* Common hooks for Motorola MCore.
2   Copyright (C) 1993-2020 Free Software Foundation, Inc.
3
4   This file is part of GCC.
5
6   GCC is free software; you can redistribute it and/or modify it
7   under the terms of the GNU General Public License as published
8   by the Free Software Foundation; either version 3, or (at your
9   option) any later version.
10
11   GCC is distributed in the hope that it will be useful, but WITHOUT
12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14   License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with GCC; see the file COPYING3.  If not see
18   <http://www.gnu.org/licenses/>.  */
19
20#include "config.h"
21#include "system.h"
22#include "coretypes.h"
23#include "tm.h"
24#include "common/common-target.h"
25#include "common/common-target-def.h"
26
27/* What options are we going to default to specific settings when
28   -O* happens; the user can subsequently override these settings.
29
30   Omitting the frame pointer is a very good idea on the MCore.
31   Scheduling isn't worth anything on the current MCore implementation.  */
32
33static const struct default_options mcore_option_optimization_table[] =
34  {
35    { OPT_LEVELS_1_PLUS, OPT_ffunction_cse, NULL, 0 },
36    { OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 },
37    { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 },
38    { OPT_LEVELS_ALL, OPT_fschedule_insns2, NULL, 0 },
39    { OPT_LEVELS_SIZE, OPT_mhardlit, NULL, 0 },
40    { OPT_LEVELS_NONE, 0, NULL, 0 }
41  };
42
43#undef  TARGET_DEFAULT_TARGET_FLAGS
44#define TARGET_DEFAULT_TARGET_FLAGS	TARGET_DEFAULT
45
46#undef TARGET_OPTION_OPTIMIZATION_TABLE
47#define TARGET_OPTION_OPTIMIZATION_TABLE mcore_option_optimization_table
48
49#undef TARGET_EXCEPT_UNWIND_INFO
50#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
51
52struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
53