1 /* Common hooks for Motorola MCore.
2 Copyright (C) 1993-2018 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
22 #include "coretypes.h"
24 #include "common/common-target.h"
25 #include "common/common-target-def.h"
27 /* What options are we going to default to specific settings when
28 -O* happens; the user can subsequently override these settings.
30 Omitting the frame pointer is a very good idea on the MCore.
31 Scheduling isn't worth anything on the current MCore implementation. */
33 static const struct default_options mcore_option_optimization_table
[] =
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 }
43 #undef TARGET_DEFAULT_TARGET_FLAGS
44 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
46 #undef TARGET_OPTION_OPTIMIZATION_TABLE
47 #define TARGET_OPTION_OPTIMIZATION_TABLE mcore_option_optimization_table
49 #undef TARGET_EXCEPT_UNWIND_INFO
50 #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
52 struct gcc_targetm_common targetm_common
= TARGETM_COMMON_INITIALIZER
;