1/* Common hooks for Renesas M32R.
2   Copyright (C) 1996-2020 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 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#include "opts.h"
27#include "flags.h"
28
29/* Implement TARGET_HANDLE_OPTION.  */
30
31static bool
32m32r_handle_option (struct gcc_options *opts,
33		    struct gcc_options *opts_set ATTRIBUTE_UNUSED,
34		    const struct cl_decoded_option *decoded,
35		    location_t loc ATTRIBUTE_UNUSED)
36{
37  size_t code = decoded->opt_index;
38  int value = decoded->value;
39
40  switch (code)
41    {
42    case OPT_m32r:
43      opts->x_target_flags &= ~(MASK_M32R2 | MASK_M32RX);
44      return true;
45
46    case OPT_mno_flush_func:
47      opts->x_m32r_cache_flush_func = NULL;
48      return true;
49
50    case OPT_mflush_trap_:
51      return value <= 15;
52
53    default:
54      return true;
55    }
56}
57
58#undef  TARGET_DEFAULT_TARGET_FLAGS
59#define TARGET_DEFAULT_TARGET_FLAGS TARGET_CPU_DEFAULT
60#undef  TARGET_HANDLE_OPTION
61#define TARGET_HANDLE_OPTION m32r_handle_option
62
63#undef  TARGET_EXCEPT_UNWIND_INFO
64#define TARGET_EXCEPT_UNWIND_INFO		sjlj_except_unwind_info
65
66struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
67