From 8cff2a9522fcd7b7af3181f73aa91a2fce666722 Mon Sep 17 00:00:00 2001
From: "J\"orn Rennecke" <joern.rennecke@superh.com>
Date: Tue, 15 Jun 2004 11:58:40 +0000
Subject: [PATCH] cfglayout.c (fixup_reorder_chain): Handle case where the
destination of E_TAKEN is EXIT_BLOCK_PTR.
* cfglayout.c (fixup_reorder_chain): Handle case where the
destination of E_TAKEN is EXIT_BLOCK_PTR.
From-SVN: r83179
---
gcc/ChangeLog | 5 +++++
gcc/cfglayout.c | 6 ++++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6c953a16d746..24b12e32ec41 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-06-15 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * cfglayout.c (fixup_reorder_chain): Handle case where the
+ destination of E_TAKEN is EXIT_BLOCK_PTR.
+
2004-06-15 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-copy.c (cprop_into_successor_phis): Fix typo.
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c
index 66742686e162..ca3913f5fdf3 100644
--- a/gcc/cfglayout.c
+++ b/gcc/cfglayout.c
@@ -733,13 +733,15 @@ fixup_reorder_chain (void)
/* Otherwise we can try to invert the jump. This will
basically never fail, however, keep up the pretense. */
else if (invert_jump (bb_end_insn,
- label_for_bb (e_fall->dest), 0))
+ (e_fall->dest == EXIT_BLOCK_PTR
+ ? NULL_RTX
+ : label_for_bb (e_fall->dest)), 0))
{
+ e_fall->flags &= ~EDGE_FALLTHRU;
#ifdef ENABLE_CHECKING
if (!could_fall_through (e_taken->src, e_taken->dest))
abort ();
#endif
- e_fall->flags &= ~EDGE_FALLTHRU;
e_taken->flags |= EDGE_FALLTHRU;
update_br_prob_note (bb);
continue;
--
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