mn10300-common.c revision 1.3 
1/* Common hooks for Matsushita MN10300 series.
2   Copyright (C) 1996-2015 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.  */
30static const struct default_options mn10300_option_optimization_table[] =
31  {
32    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
33    { OPT_LEVELS_NONE, 0, NULL, 0 }
34  };
35
36/* Implement TARGET_HANDLE_OPTION.  */
37
38static bool
39mn10300_handle_option (struct gcc_options *opts,
40		       struct gcc_options *opts_set ATTRIBUTE_UNUSED,
41		       const struct cl_decoded_option *decoded,
42		       location_t loc ATTRIBUTE_UNUSED)
43{
44  size_t code = decoded->opt_index;
45  int value = decoded->value;
46
47  switch (code)
48    {
49    case OPT_mam33:
50      opts->x_mn10300_processor = value ? PROCESSOR_AM33 : PROCESSOR_MN10300;
51      return true;
52
53    case OPT_mam33_2:
54      opts->x_mn10300_processor = (value
55				   ? PROCESSOR_AM33_2
56				   : MIN (PROCESSOR_AM33, PROCESSOR_DEFAULT));
57      return true;
58
59    case OPT_mam34:
60      opts->x_mn10300_processor = (value ? PROCESSOR_AM34 : PROCESSOR_DEFAULT);
61      return true;
62
63    default:
64      return true;
65    }
66}
67
68#undef  TARGET_EXCEPT_UNWIND_INFO
69#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
70
71#undef  TARGET_DEFAULT_TARGET_FLAGS
72#define TARGET_DEFAULT_TARGET_FLAGS MASK_MULT_BUG | MASK_PTR_A0D0 | MASK_ALLOW_LIW | MASK_ALLOW_SETLB
73#undef  TARGET_HANDLE_OPTION
74#define TARGET_HANDLE_OPTION mn10300_handle_option
75#undef  TARGET_OPTION_OPTIMIZATION_TABLE
76#define TARGET_OPTION_OPTIMIZATION_TABLE mn10300_option_optimization_table
77
78struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
79