1/* Common hooks for Renesas / SuperH SH.
2   Copyright (C) 1993-2020 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along 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/* Set default optimization options.  */
30static const struct default_options sh_option_optimization_table[] =
31  {
32    { OPT_LEVELS_SIZE, OPT_mdiv_, SH_DIV_STR_FOR_SIZE, 1 },
33    { OPT_LEVELS_0_ONLY, OPT_mdiv_, "", 1 },
34    { OPT_LEVELS_ALL, OPT__param_simultaneous_prefetches_, NULL, 2 },
35    { OPT_LEVELS_NONE, 0, NULL, 0 }
36  };
37
38/* Implement TARGET_HANDLE_OPTION.  */
39
40static bool
41sh_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
48  switch (code)
49    {
50    case OPT_m1:
51      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH1;
52      return true;
53
54    case OPT_m2:
55      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2;
56      return true;
57
58    case OPT_m2a:
59      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A;
60      return true;
61
62    case OPT_m2a_nofpu:
63      opts->x_target_flags
64	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_NOFPU;
65      return true;
66
67    case OPT_m2a_single:
68      opts->x_target_flags
69	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE;
70      return true;
71
72    case OPT_m2a_single_only:
73      opts->x_target_flags
74	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE_ONLY;
75      return true;
76
77    case OPT_m2e:
78      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2E;
79      return true;
80
81    case OPT_m3:
82      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3;
83      return true;
84
85    case OPT_m3e:
86      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3E;
87      return true;
88
89    case OPT_m4:
90    case OPT_m4_100:
91    case OPT_m4_200:
92    case OPT_m4_300:
93      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4;
94      return true;
95
96    case OPT_m4_nofpu:
97    case OPT_m4_100_nofpu:
98    case OPT_m4_200_nofpu:
99    case OPT_m4_300_nofpu:
100    case OPT_m4_340:
101    case OPT_m4_400:
102    case OPT_m4_500:
103      opts->x_target_flags
104	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_NOFPU;
105      return true;
106
107    case OPT_m4_single:
108    case OPT_m4_100_single:
109    case OPT_m4_200_single:
110    case OPT_m4_300_single:
111      opts->x_target_flags
112	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE;
113      return true;
114
115    case OPT_m4_single_only:
116    case OPT_m4_100_single_only:
117    case OPT_m4_200_single_only:
118    case OPT_m4_300_single_only:
119      opts->x_target_flags
120	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE_ONLY;
121      return true;
122
123    case OPT_m4a:
124      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A;
125      return true;
126
127    case OPT_m4a_nofpu:
128    case OPT_m4al:
129      opts->x_target_flags
130	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_NOFPU;
131      return true;
132
133    case OPT_m4a_single:
134      opts->x_target_flags
135	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE;
136      return true;
137
138    case OPT_m4a_single_only:
139      opts->x_target_flags
140	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE_ONLY;
141      return true;
142
143    default:
144      return true;
145    }
146}
147
148#undef TARGET_OPTION_OPTIMIZATION_TABLE
149#define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table
150#undef TARGET_DEFAULT_TARGET_FLAGS
151#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
152#undef TARGET_HANDLE_OPTION
153#define TARGET_HANDLE_OPTION sh_handle_option
154
155struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
156