From a17097692bf3ee04a30b9f190c160e93160a7aa0 Mon Sep 17 00:00:00 2001
From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Sun, 14 May 2006 22:51:12 +0000
Subject: [PATCH] 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
---
gcc/ChangeLog | 6 ++++++
gcc/bt-load.c | 9 +++++++++
2 files changed, 15 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c5ed8fc4ce5e..80a3571bc368 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 70975e4318d7..88a680627ad7 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);
--
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