1/* TI C6X common hooks.
2   Copyright (C) 2011-2020 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 "diagnostic-core.h"
24#include "tm.h"
25#include "memmodel.h"
26#include "tm_p.h"
27#include "common/common-target.h"
28#include "common/common-target-def.h"
29#include "opts.h"
30#include "flags.h"
31
32/* Implement overriding of the optimization options.  */
33static const struct default_options c6x_option_optimization_table[] =
34  {
35    { OPT_LEVELS_1_PLUS, OPT_frename_registers, NULL, 1 },
36    { OPT_LEVELS_2_PLUS, OPT_fmodulo_sched, NULL, 1 },
37    { OPT_LEVELS_ALL, OPT_freciprocal_math, NULL, 1 },
38    { OPT_LEVELS_NONE, 0, NULL, 0 }
39  };
40
41/* Implement TARGET_EXCEPT_UNWIND_INFO.  */
42
43static enum unwind_info_type
44c6x_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED)
45{
46  /* Honor the --enable-sjlj-exceptions configure switch.  */
47#ifdef CONFIG_SJLJ_EXCEPTIONS
48  if (CONFIG_SJLJ_EXCEPTIONS)
49    return UI_SJLJ;
50#endif
51
52  return UI_TARGET;
53}
54
55#undef TARGET_DEFAULT_TARGET_FLAGS
56#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
57
58#undef TARGET_OPTION_OPTIMIZATION_TABLE
59#define TARGET_OPTION_OPTIMIZATION_TABLE c6x_option_optimization_table
60
61#undef TARGET_EXCEPT_UNWIND_INFO
62#define TARGET_EXCEPT_UNWIND_INFO  c6x_except_unwind_info
63
64struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
65