1 /* Common hooks for Matsushita MN10300 series.
2 Copyright (C) 1996-2019 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
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public 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 #include "opts.h"
27 #include "flags.h"
28
29 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
30 static const struct default_options mn10300_option_optimization_table[] =
31 {
32 /* The STC algorithm produces the smallest code at -Os. */
33 { OPT_LEVELS_2_PLUS, OPT_freorder_blocks_algorithm_, NULL,
34 REORDER_BLOCKS_ALGORITHM_STC },
35 { OPT_LEVELS_NONE, 0, NULL, 0 }
36 };
37
38 /* Implement TARGET_HANDLE_OPTION. */
39
40 static bool
mn10300_handle_option(struct gcc_options * opts,struct gcc_options * opts_set ATTRIBUTE_UNUSED,const struct cl_decoded_option * decoded,location_t loc ATTRIBUTE_UNUSED)41 mn10300_handle_option (struct gcc_options *opts,
42 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
43 const struct cl_decoded_option *decoded,
44 location_t loc ATTRIBUTE_UNUSED)
45 {
46 size_t code = decoded->opt_index;
47 int value = decoded->value;
48
49 switch (code)
50 {
51 case OPT_mam33:
52 opts->x_mn10300_processor = value ? PROCESSOR_AM33 : PROCESSOR_MN10300;
53 return true;
54
55 case OPT_mam33_2:
56 opts->x_mn10300_processor = (value
57 ? PROCESSOR_AM33_2
58 : MIN (PROCESSOR_AM33, PROCESSOR_DEFAULT));
59 return true;
60
61 case OPT_mam34:
62 opts->x_mn10300_processor = (value ? PROCESSOR_AM34 : PROCESSOR_DEFAULT);
63 return true;
64
65 default:
66 return true;
67 }
68 }
69
70 #undef TARGET_EXCEPT_UNWIND_INFO
71 #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
72
73 #undef TARGET_DEFAULT_TARGET_FLAGS
74 #define TARGET_DEFAULT_TARGET_FLAGS MASK_MULT_BUG | MASK_PTR_A0D0 | MASK_ALLOW_LIW | MASK_ALLOW_SETLB
75 #undef TARGET_HANDLE_OPTION
76 #define TARGET_HANDLE_OPTION mn10300_handle_option
77 #undef TARGET_OPTION_OPTIMIZATION_TABLE
78 #define TARGET_OPTION_OPTIMIZATION_TABLE mn10300_option_optimization_table
79
80 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
81