--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/arm/arm-d.c	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,53 @@
+/* Subroutines for the D front end on the ARM architecture.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tm_p.h"
+#include "d/d-target.h"
+#include "d/d-target-def.h"
+
+/* Implement TARGET_D_CPU_VERSIONS for ARM targets.  */
+
+void
+arm_d_target_versions (void)
+{
+  d_add_builtin_version ("ARM");
+
+  if (TARGET_THUMB || TARGET_THUMB2)
+    {
+      d_add_builtin_version ("Thumb");
+      d_add_builtin_version ("ARM_Thumb");
+    }
+
+  if (TARGET_HARD_FLOAT_ABI)
+    d_add_builtin_version ("ARM_HardFloat");
+  else
+    {
+      if (TARGET_SOFT_FLOAT)
+	d_add_builtin_version ("ARM_SoftFloat");
+      else if (TARGET_HARD_FLOAT)
+	d_add_builtin_version ("ARM_SoftFP");
+    }
+
+  if (TARGET_SOFT_FLOAT)
+    d_add_builtin_version ("D_SoftFloat");
+  else if (TARGET_HARD_FLOAT)
+    d_add_builtin_version ("D_HardFloat");
+}