From b7926cf90567f9c9e12cdcc8935c58223055fe90 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hongjiu.lu@intel.com>
Date: Mon, 8 Aug 2011 16:33:06 +0000
Subject: [PATCH] Add a testcase for PR target/49781.
2011-08-08 H.J. Lu <hongjiu.lu@intel.com>
PR target/49781
* gcc.target/i386/pr49781-1.c: New.
From-SVN: r177569
---
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/gcc.target/i386/pr49781-1.c | 26 +++++++++++++++++++++++
2 files changed, 31 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/i386/pr49781-1.c
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8b4c15a62a83..4ce23b79764a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-08 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/49781
+ * gcc.target/i386/pr49781-1.c: New.
+
2011-08-08 Jason Merrill <jason@redhat.com>
* g++.dg/cpp0x/range-for20.C: Adjust to test 50020 as well.
diff --git a/gcc/testsuite/gcc.target/i386/pr49781-1.c b/gcc/testsuite/gcc.target/i386/pr49781-1.c
new file mode 100644
index 000000000000..80db03416e56
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr49781-1.c
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fpic" } */
+/* { dg-require-effective-target fpic } */
+
+static int heap[2*(256 +1+29)+1];
+static int heap_len;
+static int heap_max;
+void
+foo (int elems)
+{
+ int n, m;
+ int max_code = -1;
+ int node = elems;
+ heap_len = 0, heap_max = (2*(256 +1+29)+1);
+ for (n = 0; n < elems; n++)
+ heap[++heap_len] = max_code = n;
+ do {
+ n = heap[1];
+ heap[1] = heap[heap_len--];
+ m = heap[1];
+ heap[--heap_max] = n;
+ heap[--heap_max] = m;
+ } while (heap_len >= 2);
+}
+
+/* { dg-final { scan-assembler-not "lea\[lq\]?\[ \t\]\\((%|)r\[a-z0-9\]*" } } */
--
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