gcc/common/config/m32r/m32r-common.cc

   1 /* Common hooks for Renesas M32R.
   2    Copyright (C) 1996-2024 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 it
   7    under the terms of the GNU General Public License as published
   8    by the Free Software Foundation; either version 3, or (at your
   9    option) any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    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_HANDLE_OPTION.  */
  30
  31 static bool
  32 m32r_handle_option (struct gcc_options *opts,
  33                     struct gcc_options *opts_set ATTRIBUTE_UNUSED,
  34                     const struct cl_decoded_option *decoded,
  35                     location_t loc ATTRIBUTE_UNUSED)
  36 {
  37   size_t code = decoded->opt_index;
  38   int value = decoded->value;
  39
  40   switch (code)
  41     {
  42     case OPT_m32r:
  43       opts->x_target_flags &= ~(MASK_M32R2 | MASK_M32RX);
  44       return true;
  45
  46     case OPT_mno_flush_func:
  47       opts->x_m32r_cache_flush_func = NULL;
  48       return true;
  49
  50     case OPT_mflush_trap_:
  51       return value <= 15;
  52
  53     default:
  54       return true;
  55     }
  56 }
  57
  58 #undef  TARGET_DEFAULT_TARGET_FLAGS
  59 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_CPU_DEFAULT
  60 #undef  TARGET_HANDLE_OPTION
  61 #define TARGET_HANDLE_OPTION m32r_handle_option
  62
  63 #undef  TARGET_EXCEPT_UNWIND_INFO
  64 #define TARGET_EXCEPT_UNWIND_INFO               sjlj_except_unwind_info
  65
  66 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;