gcc/config/riscv/riscv-d.cc

   1 /* Subroutines for the D front end on the RISC-V architecture.
   2    Copyright (C) 2017-2024 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 "target.h"
  24 #include "tm_d.h"
  25 #include "d/d-target.h"
  26 #include "d/d-target-def.h"
  27
  28 /* Implement TARGET_D_CPU_VERSIONS for RISC-V targets.  */
  29
  30 void
  31 riscv_d_target_versions (void)
  32 {
  33   if (TARGET_64BIT)
  34     d_add_builtin_version ("RISCV64");
  35   else
  36     d_add_builtin_version ("RISCV32");
  37
  38   if (TARGET_HARD_FLOAT)
  39     d_add_builtin_version ("D_HardFloat");
  40   else
  41     d_add_builtin_version ("D_SoftFloat");
  42 }
  43
  44 /* Handle a call to `__traits(getTargetInfo, "floatAbi")'.  */
  45
  46 static tree
  47 riscv_d_handle_target_float_abi (void)
  48 {
  49   const char *abi;
  50
  51   switch (riscv_abi)
  52     {
  53     case ABI_ILP32E:
  54     case ABI_ILP32:
  55     case ABI_LP64E:
  56     case ABI_LP64:
  57       abi = "soft";
  58       break;
  59
  60     case ABI_ILP32F:
  61     case ABI_LP64F:
  62       abi = "single";
  63       break;
  64
  65     case ABI_ILP32D:
  66     case ABI_LP64D:
  67       abi = "double";
  68       break;
  69
  70     default:
  71       abi = "";
  72       break;
  73     }
  74
  75   return build_string_literal (strlen (abi) + 1, abi);
  76 }
  77
  78 /* Implement TARGET_D_REGISTER_CPU_TARGET_INFO.  */
  79
  80 void
  81 riscv_d_register_target_info (void)
  82 {
  83   const struct d_target_info_spec handlers[] = {
  84     { "floatAbi", riscv_d_handle_target_float_abi },
  85     { NULL, NULL },
  86   };
  87
  88   d_add_target_info_handlers (handlers);
  89 }