gcc/config/arm/arm-d.cc

   1 /* Subroutines for the D front end on the ARM architecture.
   2    Copyright (C) 2017-2022 Free Software Foundation, Inc.
   3
   4 GCC is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation; either version 3, or (at your option)
   7 any later version.
   8
   9 GCC is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with GCC; see the file COPYING3.  If not see
  16 <http://www.gnu.org/licenses/>.  */
  17
  18 #define IN_TARGET_CODE 1
  19
  20 #include "config.h"
  21 #include "system.h"
  22 #include "coretypes.h"
  23 #include "tm.h"
  24 #include "tm_d.h"
  25 #include "d/d-target.h"
  26 #include "d/d-target-def.h"
  27 #include "arm-protos.h"
  28
  29 /* Implement TARGET_D_CPU_VERSIONS for ARM targets.  */
  30
  31 void
  32 arm_d_target_versions (void)
  33 {
  34   d_add_builtin_version ("ARM");
  35
  36   if (TARGET_THUMB || TARGET_THUMB2)
  37     {
  38       d_add_builtin_version ("Thumb");
  39       d_add_builtin_version ("ARM_Thumb");
  40     }
  41
  42   if (TARGET_HARD_FLOAT_ABI)
  43     d_add_builtin_version ("ARM_HardFloat");
  44   else
  45     {
  46       if (TARGET_SOFT_FLOAT)
  47         d_add_builtin_version ("ARM_SoftFloat");
  48       else if (TARGET_HARD_FLOAT)
  49         d_add_builtin_version ("ARM_SoftFP");
  50     }
  51
  52   if (TARGET_SOFT_FLOAT)
  53     d_add_builtin_version ("D_SoftFloat");
  54   else if (TARGET_HARD_FLOAT)
  55     d_add_builtin_version ("D_HardFloat");
  56 }
  57
  58 /* Handle a call to `__traits(getTargetInfo, "floatAbi")'.  */
  59
  60 static tree
  61 arm_d_handle_target_float_abi (void)
  62 {
  63   const char *abi;
  64
  65   switch (arm_float_abi)
  66     {
  67     case ARM_FLOAT_ABI_HARD:
  68       abi = "hard";
  69       break;
  70
  71     case ARM_FLOAT_ABI_SOFT:
  72       abi = "soft";
  73       break;
  74
  75     case ARM_FLOAT_ABI_SOFTFP:
  76       abi = "softfp";
  77       break;
  78
  79     default:
  80       abi = "";
  81       break;
  82     }
  83
  84   return build_string_literal (strlen (abi) + 1, abi);
  85 }
  86
  87 /* Implement TARGET_D_REGISTER_CPU_TARGET_INFO.  */
  88
  89 void
  90 arm_d_register_target_info (void)
  91 {
  92   const struct d_target_info_spec handlers[] = {
  93     { "floatAbi", arm_d_handle_target_float_abi },
  94     { NULL, NULL },
  95   };
  96
  97   d_add_target_info_handlers (handlers);
  98 }