From ad5618b3e9dcbe0e3c363cfcd2a8393892fa7270 Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 25 Jul 2011 03:18:13 +0000
Subject: [PATCH] PR debug/49827 * dwarf2cfi.c (create_trace_edges):
Handle sequences properly.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176728 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 5 +++++
gcc/dwarf2cfi.c | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ab089e504b4..4fc18eeed46 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-24 Richard Henderson <rth@redhat.com>
+
+ PR debug/49827
+ * dwarf2cfi.c (create_trace_edges): Handle sequences properly.
+
2011-07-24 Richard Henderson <rth@redhat.com>
* dwarf2cfi.c (maybe_record_trace_start): Add abnormal parameter.
diff --git a/gcc/dwarf2cfi.c b/gcc/dwarf2cfi.c
index fd5f680f682..9e64de67ec0 100644
--- a/gcc/dwarf2cfi.c
+++ b/gcc/dwarf2cfi.c
@@ -2507,6 +2507,14 @@ create_trace_edges (rtx insn)
for (lab = nonlocal_goto_handler_labels; lab; lab = XEXP (lab, 1))
maybe_record_trace_start (XEXP (lab, 0), insn, true);
}
+ else if (GET_CODE (PATTERN (insn)) == SEQUENCE)
+ {
+ rtx seq = PATTERN (insn);
+ int i, n = XVECLEN (seq, 0);
+ for (i = 0; i < n; ++i)
+ create_trace_edges (XVECEXP (seq, 0, i));
+ return;
+ }
/* Process EH edges. */
if (CALL_P (insn) || cfun->can_throw_non_call_exceptions)
--
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