genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4 of size of unsigned.

2002-05-23  Vladimir Makarov  <vmakarov@redhat.com>

	* genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4
	of size of unsigned.

From-SVN: r53813

gcc/ChangeLog

+2002-05-23  Vladimir Makarov  <vmakarov@redhat.com>
+
+	* genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4
+	of size of unsigned.
+
 2002-05-23  Richard Henderson  <rth@redhat.com>
 
 	* configure.in (HAVE_AS_TLS): New test.

gcc/genautomata.c

@@ -3413,10 +3413,10 @@ reserv_sets_hash_value (reservs)
   if (sizeof (set_el_t) <= sizeof (unsigned))
     return hash_value;
   result = 0;
-  for (i = sizeof (set_el_t); i > 0; i -= sizeof (unsigned))
+  for (i = sizeof (set_el_t); i > 0; i -= sizeof (unsigned) - 1)
     {
       result += (unsigned) hash_value;
-      hash_value >>= sizeof (unsigned) * CHAR_BIT;
+      hash_value >>= (sizeof (unsigned) - 1) * CHAR_BIT;
     }
   return result;
 }