--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/gencheck.c	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,80 @@
+/* Generate check macros for tree codes.
+   Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+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 "bconfig.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+
+#define DEFTREECODE(SYM, NAME, TYPE, LEN) #SYM,
+#define END_OF_BASE_TREE_CODES
+
+static const char *const tree_codes[] = {
+#include "all-tree.def"
+(char*) 0
+};
+
+#undef DEFTREECODE
+#undef END_OF_BASE_TREE_CODES
+
+static void usage (void);
+
+static void
+usage (void)
+{
+  fputs ("Usage: gencheck\n", stderr);
+}
+
+int
+main (int argc, char ** ARG_UNUSED (argv))
+{
+  int i, j;
+
+  switch (argc)
+    {
+    case 1:
+      break;
+
+    default:
+      usage ();
+      return (1);
+    }
+
+  puts ("/* This file is generated using gencheck. Do not edit. */\n");
+  puts ("#ifndef GCC_TREE_CHECK_H");
+  puts ("#define GCC_TREE_CHECK_H\n");
+
+  /* Print macros for checks based on each of the tree code names.  However,
+     since we include the tree nodes from all languages, we must check
+     for duplicate names to avoid defining the same macro twice.  */
+  for (i = 0; tree_codes[i]; i++)
+    {
+      for (j = 0; j < i; j++)
+	if (strcmp (tree_codes[i], tree_codes[j]) == 0)
+	  break;
+
+      if (i == j)
+	printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
+		tree_codes[i], tree_codes[i]);
+    }
+
+  puts ("\n#endif /* GCC_TREE_CHECK_H */");
+  return 0;
+}