pa-common.c revision 1.1 
1/* HPPA common hooks.
2   Copyright (C) 1992-2013 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_OPTION_OPTIMIZATION_TABLE.  */
30static const struct default_options pa_option_optimization_table[] =
31  {
32    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
33    { OPT_LEVELS_NONE, 0, NULL, 0 }
34  };
35
36/* Implement TARGET_HANDLE_OPTION.  */
37
38static bool
39pa_handle_option (struct gcc_options *opts,
40		  struct gcc_options *opts_set ATTRIBUTE_UNUSED,
41		  const struct cl_decoded_option *decoded,
42		  location_t loc ATTRIBUTE_UNUSED)
43{
44  size_t code = decoded->opt_index;
45
46  switch (code)
47    {
48    case OPT_mnosnake:
49    case OPT_mpa_risc_1_0:
50    case OPT_march_1_0:
51      opts->x_target_flags &= ~(MASK_PA_11 | MASK_PA_20);
52      return true;
53
54    case OPT_msnake:
55    case OPT_mpa_risc_1_1:
56    case OPT_march_1_1:
57      opts->x_target_flags &= ~MASK_PA_20;
58      opts->x_target_flags |= MASK_PA_11;
59      return true;
60
61    case OPT_mpa_risc_2_0:
62    case OPT_march_2_0:
63      opts->x_target_flags |= MASK_PA_11 | MASK_PA_20;
64      return true;
65
66    default:
67      return true;
68    }
69}
70
71#undef TARGET_OPTION_OPTIMIZATION_TABLE
72#define TARGET_OPTION_OPTIMIZATION_TABLE pa_option_optimization_table
73#undef TARGET_DEFAULT_TARGET_FLAGS
74#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | TARGET_CPU_DEFAULT)
75#undef TARGET_HANDLE_OPTION
76#define TARGET_HANDLE_OPTION pa_handle_option
77
78struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
79