1/* Common hooks for Renesas RX.
2   Copyright (C) 2008-2020 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
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 "diagnostic-core.h"
24#include "tm.h"
25#include "common/common-target.h"
26#include "common/common-target-def.h"
27#include "opts.h"
28#include "flags.h"
29
30/* Extra processing for target specific command line options.  */
31
32static bool
33rx_handle_option (struct gcc_options *opts,
34		  struct gcc_options *opts_set ATTRIBUTE_UNUSED,
35		  const struct cl_decoded_option *decoded,
36		  location_t loc)
37{
38  size_t code = decoded->opt_index;
39  int value = decoded->value;
40
41  switch (code)
42    {
43    case OPT_mint_register_:
44      /* Make sure that the -mint-register option is in range.  Other
45	 handling in rx_option_override.  */
46      return value >= 0 && value <= 4;
47      break;
48
49    case OPT_mmax_constant_size_:
50      /* Make sure that the -mmax-constant_size option is in range.  */
51      return value >= 0 && value <= 4;
52
53    case OPT_mcpu_:
54      if ((enum rx_cpu_types) value == RX200 ||
55          (enum rx_cpu_types) value == RX100)
56	opts->x_target_flags |= MASK_NO_USE_FPU;
57      break;
58
59    case OPT_fpu:
60      if (opts->x_rx_cpu_type == RX200)
61	error_at (loc, "the RX200 cpu does not have FPU hardware");
62      else if (opts->x_rx_cpu_type == RX100)
63	error_at (loc, "the RX100 cpu does not have FPU hardware");
64      break;
65
66    default:
67      break;
68    }
69
70  return true;
71}
72
73#undef  TARGET_HANDLE_OPTION
74#define TARGET_HANDLE_OPTION			rx_handle_option
75
76#undef  TARGET_EXCEPT_UNWIND_INFO
77#define TARGET_EXCEPT_UNWIND_INFO		sjlj_except_unwind_info
78
79struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
80