1/* Common hooks for MIPS.
2   Copyright (C) 1989-2020 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/* Implement TARGET_HANDLE_OPTION.  */
30
31static bool
32mips_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
39  switch (code)
40    {
41    case OPT_mno_flush_func:
42      opts->x_mips_cache_flush_func = NULL;
43      return true;
44
45    case OPT_mfp32:
46    case OPT_mfp64:
47      opts->x_target_flags &= ~MASK_FLOATXX;
48      return true;
49
50    case OPT_mfpxx:
51      opts->x_target_flags &= ~MASK_FLOAT64;
52      return true;
53
54    default:
55      return true;
56    }
57}
58
59#undef TARGET_DEFAULT_TARGET_FLAGS
60#define TARGET_DEFAULT_TARGET_FLAGS		\
61  (TARGET_DEFAULT				\
62   | TARGET_CPU_DEFAULT				\
63   | TARGET_ENDIAN_DEFAULT			\
64   | MASK_CHECK_ZERO_DIV)
65#undef TARGET_HANDLE_OPTION
66#define TARGET_HANDLE_OPTION mips_handle_option
67
68struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
69