PR rtl-optimization/42621

[pf3gnuchains/gcc-fork.git] / gcc / gencheck.c

diff --git a/gcc/gencheck.c b/gcc/gencheck.c
index fdbe3ec..0d1907c 100644 (file)
--- a/gcc/gencheck.c
+++ b/gcc/gencheck.c
@@ -1,45 +1,51 @@
 /* Generate check macros for tree codes.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008
+   Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC 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 2, or (at your option)
-any later version.
+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.
 
-GNU CC 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.
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
-#include "hconfig.h"
+#include "bconfig.h"
 #include "system.h"
-#include "gansidecl.h"
+#include "coretypes.h"
+#include "tm.h"
 
-#define DEFTREECODE(SYM, NAME, TYPE, LEN)   STRINGIFY(SYM),
+#define DEFTREECODE(SYM, NAME, TYPE, LEN) #SYM,
+#define END_OF_BASE_TREE_CODES
 
-char *tree_codes[] = {
-#include "tree.def"
-#include "gencheck.h"
-(char*)0
+static const char *const tree_codes[] = {
+#include "all-tree.def"
+(char*) 0
 };
 
-void usage ()
+#undef DEFTREECODE
+#undef END_OF_BASE_TREE_CODES
+
+static void usage (void);
+
+static void
+usage (void)
 {
-  fprintf (stderr,"Usage: gencheck\n");
+  fputs ("Usage: gencheck\n", stderr);
 }
 
-int main (argc, argv)
-     int argc;
-     char *argv[] ATTRIBUTE_UNUSED;
+int
+main (int argc, char ** ARG_UNUSED (argv))
 {
-  int i;
+  int i, j;
 
   switch (argc)
     {
@@ -48,38 +54,27 @@ int main (argc, argv)
 
     default:
       usage ();
-      exit (1);
+      return (1);
     }
 
-  printf ("/* This file is generated using gencheck. Do not edit. */\n");
+  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++)
     {
-      printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
-             tree_codes[i], tree_codes[i]);
-      printf ("#define %s_CHECK1(t)\tTREE_CHECK1 (t, %s)\n",
-             tree_codes[i], tree_codes[i]);
-    }
+      for (j = 0; j < i; j++)
+       if (strcmp (tree_codes[i], tree_codes[j]) == 0)
+         break;
 
-  return 0;
-}
-
-#if defined(USE_C_ALLOCA)
-/* FIXME: We only need an xmalloc definition because we are forced to
-   link with alloca.o on some platforms.  This should go away if/when
-   we link against libiberty.a. (ghazi@caip.rutgers.edu 6/3/98) */
-char *
-xmalloc (nbytes)
-     int nbytes;
-{
-  char *tmp = (char *) malloc (nbytes);
-
-  if (!tmp)
-    {
-      fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n",
-              nbytes);
-      exit (FATAL_EXIT_CODE);
+      if (i == j)
+       printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
+               tree_codes[i], tree_codes[i]);
     }
 
-  return tmp;
+  puts ("\n#endif /* GCC_TREE_CHECK_H */");
+  return 0;
 }
-#endif /* USE_C_ALLOCA */