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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110113 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d1b92c8..b040223 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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>

diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c
index 7d18231..6a27d34 100644 (file)
--- a/gcc/cfgloopmanip.c
+++ b/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);