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677f3fa8 | 1 | /* Common hooks for Motorola MCore. |
d1e082c2 | 2 | Copyright (C) 1993-2013 Free Software Foundation, Inc. |
677f3fa8 JM |
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 | ||
33 | static const struct default_options mcore_option_optimization_table[] = | |
34 | { | |
35 | { OPT_LEVELS_1_PLUS, OPT_ffunction_cse, NULL, 0 }, | |
36 | { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, | |
37 | { OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 }, | |
38 | { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 }, | |
39 | { OPT_LEVELS_ALL, OPT_fschedule_insns2, NULL, 0 }, | |
40 | { OPT_LEVELS_SIZE, OPT_mhardlit, NULL, 0 }, | |
41 | { OPT_LEVELS_NONE, 0, NULL, 0 } | |
42 | }; | |
43 | ||
44 | #undef TARGET_DEFAULT_TARGET_FLAGS | |
45 | #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT | |
46 | ||
47 | #undef TARGET_OPTION_OPTIMIZATION_TABLE | |
48 | #define TARGET_OPTION_OPTIMIZATION_TABLE mcore_option_optimization_table | |
49 | ||
50 | #undef TARGET_EXCEPT_UNWIND_INFO | |
51 | #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info | |
52 | ||
53 | struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |