1/* Common hooks for CRIS.
2   Copyright (C) 1998-2020 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/* TARGET_HANDLE_OPTION worker.  We just store the values into local
30   variables here.  Checks for correct semantics are in
31   cris_option_override.  */
32
33static bool
34cris_handle_option (struct gcc_options *opts,
35		    struct gcc_options *opts_set ATTRIBUTE_UNUSED,
36		    const struct cl_decoded_option *decoded,
37		    location_t loc ATTRIBUTE_UNUSED)
38{
39  size_t code = decoded->opt_index;
40
41  switch (code)
42    {
43    case OPT_metrax100:
44      opts->x_target_flags
45	|= (MASK_SVINTO
46	    + MASK_ETRAX4_ADD
47	    + MASK_ALIGN_BY_32);
48      break;
49
50    case OPT_mno_etrax100:
51      opts->x_target_flags
52	&= ~(MASK_SVINTO
53	     + MASK_ETRAX4_ADD
54	     + MASK_ALIGN_BY_32);
55      break;
56
57    case OPT_m32_bit:
58    case OPT_m32bit:
59      opts->x_target_flags
60	|= (MASK_STACK_ALIGN
61	    + MASK_CONST_ALIGN
62	    + MASK_DATA_ALIGN
63	    + MASK_ALIGN_BY_32);
64      break;
65
66    case OPT_m16_bit:
67    case OPT_m16bit:
68      opts->x_target_flags
69	|= (MASK_STACK_ALIGN
70	    + MASK_CONST_ALIGN
71	    + MASK_DATA_ALIGN);
72      break;
73
74    case OPT_m8_bit:
75    case OPT_m8bit:
76      opts->x_target_flags
77	&= ~(MASK_STACK_ALIGN
78	     + MASK_CONST_ALIGN
79	     + MASK_DATA_ALIGN);
80      break;
81
82    default:
83      break;
84    }
85
86  return true;
87}
88
89#undef TARGET_DEFAULT_TARGET_FLAGS
90#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | CRIS_SUBTARGET_DEFAULT)
91#undef TARGET_HANDLE_OPTION
92#define TARGET_HANDLE_OPTION cris_handle_option
93
94struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
95