gcc/common/config/mn10300/mn10300-common.c

   1 /* Common hooks for Matsushita MN10300 series.
   2    Copyright (C) 1996-2014 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 "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.  */
  30 static const struct default_options mn10300_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
  38 static bool
  39 mn10300_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   int value = decoded->value;
  46
  47   switch (code)
  48     {
  49     case OPT_mam33:
  50       opts->x_mn10300_processor = value ? PROCESSOR_AM33 : PROCESSOR_MN10300;
  51       return true;
  52
  53     case OPT_mam33_2:
  54       opts->x_mn10300_processor = (value
  55                                    ? PROCESSOR_AM33_2
  56                                    : MIN (PROCESSOR_AM33, PROCESSOR_DEFAULT));
  57       return true;
  58
  59     case OPT_mam34:
  60       opts->x_mn10300_processor = (value ? PROCESSOR_AM34 : PROCESSOR_DEFAULT);
  61       return true;
  62
  63     default:
  64       return true;
  65     }
  66 }
  67
  68 #undef  TARGET_EXCEPT_UNWIND_INFO
  69 #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
  70
  71 #undef  TARGET_DEFAULT_TARGET_FLAGS
  72 #define TARGET_DEFAULT_TARGET_FLAGS MASK_MULT_BUG | MASK_PTR_A0D0 | MASK_ALLOW_LIW | MASK_ALLOW_SETLB
  73 #undef  TARGET_HANDLE_OPTION
  74 #define TARGET_HANDLE_OPTION mn10300_handle_option
  75 #undef  TARGET_OPTION_OPTIMIZATION_TABLE
  76 #define TARGET_OPTION_OPTIMIZATION_TABLE mn10300_option_optimization_table
  77
  78 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;