From: Richard Guenther <rguenther@suse.de>
Date: Mon, 23 Jan 2006 10:06:22 +0000 (+0000)
Subject: cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment before make_edge with conditi... 
X-Git-Tag: releases/gcc-4.2.0~4678
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=766613a498484f30261c242d38bb935bfad6628f;p=thirdparty%2Fgcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d1b92c8489f4..b040223024ec 100644
--- 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 7d182314dd34..6a27d34a04ec 100644
--- 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);