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authorH.J. Lu <hongjiu.lu@intel.com>2011-08-08 16:33:06 +0000
committerH.J. Lu <hjl@gcc.gnu.org>2011-08-08 09:33:06 -0700
commitb7926cf90567f9c9e12cdcc8935c58223055fe90 (patch)
tree62fdc2291c7f5f196d9028b59ed92c3a14383cdf /gcc
parentddaad3c8b1dcd40163af03d1cd5c302966257b21 (diff)
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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
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.target/i386/pr49781-1.c26
2 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8b4c15a..4ce23b7 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 0000000..80db034
--- /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\[a-z0-9\]*" } } */