gcc/common/config/rx/rx-common.c

   1 /* Common hooks for Renesas RX.
   2    Copyright (C) 2008-2018 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 "diagnostic-core.h"
  24 #include "tm.h"
  25 #include "common/common-target.h"
  26 #include "common/common-target-def.h"
  27 #include "opts.h"
  28 #include "flags.h"
  29
  30 /* Extra processing for target specific command line options.  */
  31
  32 static bool
  33 rx_handle_option (struct gcc_options *opts,
  34                   struct gcc_options *opts_set ATTRIBUTE_UNUSED,
  35                   const struct cl_decoded_option *decoded,
  36                   location_t loc)
  37 {
  38   size_t code = decoded->opt_index;
  39   int value = decoded->value;
  40
  41   switch (code)
  42     {
  43     case OPT_mint_register_:
  44       /* Make sure that the -mint-register option is in range.  Other
  45          handling in rx_option_override.  */
  46       return value >= 0 && value <= 4;
  47       break;
  48
  49     case OPT_mmax_constant_size_:
  50       /* Make sure that the -mmax-constant_size option is in range.  */
  51       return value >= 0 && value <= 4;
  52
  53     case OPT_mcpu_:
  54       if ((enum rx_cpu_types) value == RX200 ||
  55           (enum rx_cpu_types) value == RX100)
  56         opts->x_target_flags |= MASK_NO_USE_FPU;
  57       break;
  58
  59     case OPT_fpu:
  60       if (opts->x_rx_cpu_type == RX200)
  61         error_at (loc, "the RX200 cpu does not have FPU hardware");
  62       else if (opts->x_rx_cpu_type == RX100)
  63         error_at (loc, "the RX100 cpu does not have FPU hardware");
  64       break;
  65
  66     default:
  67       break;
  68     }
  69
  70   return true;
  71 }
  72
  73 #undef  TARGET_HANDLE_OPTION
  74 #define TARGET_HANDLE_OPTION                    rx_handle_option
  75
  76 #undef  TARGET_EXCEPT_UNWIND_INFO
  77 #define TARGET_EXCEPT_UNWIND_INFO               sjlj_except_unwind_info
  78
  79 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;