gcc/common/config/h8300/h8300-common.c

   1 /* Common hooks for Renesas H8/300.
   2    Copyright (C) 1992-2013 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
  27 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
  28
  29 static const struct default_options h8300_option_optimization_table[] =
  30   {
  31     /* Basic block reordering is only beneficial on targets with cache
  32        and/or variable-cycle branches where (cycle count taken !=
  33        cycle count not taken).  */
  34     { OPT_LEVELS_ALL, OPT_freorder_blocks, NULL, 0 },
  35     { OPT_LEVELS_NONE, 0, NULL, 0 }
  36   };
  37
  38 #undef TARGET_DEFAULT_TARGET_FLAGS
  39 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
  40
  41 #undef TARGET_OPTION_OPTIMIZATION_TABLE
  42 #define TARGET_OPTION_OPTIMIZATION_TABLE h8300_option_optimization_table
  43
  44 #undef TARGET_EXCEPT_UNWIND_INFO
  45 #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
  46
  47 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;