From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Sun, 14 May 2006 22:51:12 +0000 (+0000)
Subject: re PR rtl-optimization/27406 (gcc.c-torture/execute/built-in-setjmp.c fails on sh64... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a17097692bf3ee04a30b9f190c160e93160a7aa0;p=gcc.git

re PR rtl-optimization/27406 (gcc.c-torture/execute/built-in-setjmp.c fails on sh64-*-linux-gnu with -O2)

	PR rtl-optimization/27406
	* bt-load.c (migrate_btr_def): Skip the block having abnormal
	edges.

From-SVN: r113766
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c5ed8fc4ce5..80a3571bc36 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	PR rtl-optimization/27406
+	* bt-load.c (migrate_btr_def): Skip the block having abnormal
+	edges.
+
 2006-05-14  Roger Sayle  <roger@eyesopen.com>
 
 	PR rtl-optimization/27538
diff --git a/gcc/bt-load.c b/gcc/bt-load.c
index 70975e4318d..88a680627ad 100644
--- a/gcc/bt-load.c
+++ b/gcc/bt-load.c
@@ -1339,6 +1339,15 @@ migrate_btr_def (btr_def def, int min_cost)
       /* Try to move the instruction that sets the target register into
 	 basic block TRY.  */
       int try_freq = basic_block_freq (try);
+      edge_iterator ei;
+      edge e;
+
+      /* If TRY has abnormal edges, skip it.  */
+      FOR_EACH_EDGE (e, ei, try->succs)
+	if (e->flags & EDGE_COMPLEX)
+	  break;
+      if (e)
+	continue;
 
       if (dump_file)
 	fprintf (dump_file, "trying block %d ...", try->index);