cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment before make_edge with…

cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment before make_edge with conditional EDGE_TRUE_VALUE.

2006-01-23  Richard Guenther  <rguenther@suse.de>

        * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
        before make_edge with conditional EDGE_TRUE_VALUE.

From-SVN: r110113

gcc/ChangeLog

+2006-01-23  Richard Guenther  <rguenther@suse.de>
+
+	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
+	before make_edge with conditional EDGE_TRUE_VALUE.
+
 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
 	Jan Hubicka  <jh@suse.cz>
 	Richard Guenther  <rguenther@suse.de>

gcc/cfgloopmanip.c

@@ -1419,6 +1419,7 @@ lv_adjust_loop_entry_edge (basic_block first_head,
   lv_add_condition_to_bb (first_head, second_head, new_head,
 			  cond_expr);
 
+  /* Don't set EDGE_TRUE_VALUE in RTL mode, as it's invalid there.  */
   e1 = make_edge (new_head, first_head, ir_type () ? EDGE_TRUE_VALUE : 0);
   set_immediate_dominator (CDI_DOMINATORS, first_head, new_head);
   set_immediate_dominator (CDI_DOMINATORS, second_head, new_head);