re PR middle-end/11823 (Optimizing large jump tables for switch statements)

	PR middle-end/11823
	* stmt.c (expand_end_case_type): Only use jump tables for dense
	switch statements when optimizing for size.

Co-Authored-By: Roger Sayle <roger@eyesopen.com>

From-SVN: r70959

gcc/ChangeLog

+2003-08-31  Steven Bosscher  <steven@gcc.gnu.org>
+	    Roger Sayle  <roger@eyesopen.com>
+
+	PR middle-end/11823
+	* stmt.c (expand_end_case_type): Only use jump tables for dense
+	switch statements when optimizing for size.
+
 2003-08-31  Olivier Hainque  <hainque@act-europe.fr>
 
         * builtins.c (expand_builtin_setjmp): Use emit_jump to jump around

gcc/stmt.c

@@ -5419,7 +5419,8 @@ expand_end_case_type (tree orig_index, tree orig_type)
 	 because we can optimize it.  */
 
       else if (count < case_values_threshold ()
-	       || compare_tree_int (range, 10 * count) > 0
+	       || compare_tree_int (range,
+				    (optimize_size ? 3 : 10) * count) > 0
 	       /* RANGE may be signed, and really large ranges will show up
 		  as negative numbers.  */
 	       || compare_tree_int (range, 0) < 0