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      1 /* Common hooks for Renesas H8/300.
      2    Copyright (C) 1992-2022 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;
     48