gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.

2000-06-12  H.J. Lu  <hjl@gnu.org>

	* gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.

From-SVN: r34504

gcc/ChangeLog

+2000-06-12  H.J. Lu  <hjl@gnu.org>
+
+	* gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
+
 2000-06-12  David Edelsohn  <edelsohn@gnu.org>
 
 	* aix41.h (SUBTARGET_SWITCHES): Delete threads.

gcc/gengenrtl.c

@@ -362,7 +362,7 @@ gencode ()
   puts ("#define obstack_alloc_rtx(n)					\\");
   puts ("    ((rtx) obstack_alloc (rtl_obstack,				\\");
   puts ("			  sizeof (struct rtx_def)		\\");
-  puts ("			  + ((n) - 2) * sizeof (rtunion)))\n");
+  puts ("			  + ((n) - 1) * sizeof (rtunion)))\n");
 
   for (fmt = formats; *fmt != 0; fmt++)
     gendef (*fmt);