changeset 26801:1b8204b516f5

8058636: test case for 8057758 Summary: missing test case in push for 8057758 Reviewed-by: kvn, iveresov
author roland
date Wed, 17 Sep 2014 14:56:12 +0200
parents b89b8ffec1f0
children 22d49f390e76
files hotspot/test/compiler/intrinsics/multiplytolen/TestMultiplyToLenReturnProfile.java
diffstat 1 files changed, 52 insertions(+), 0 deletions(-) [+]
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/intrinsics/multiplytolen/TestMultiplyToLenReturnProfile.java	Wed Sep 17 14:56:12 2014 +0200
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8057758
+ * @summary MultiplyToLen sets its return type to have a bottom offset which confuses code generation
+ * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:TypeProfileLevel=222 TestMultiplyToLenReturnProfile
+ *
+ */
+
+
+import java.math.*;
+
+public class TestMultiplyToLenReturnProfile {
+
+    static BigInteger m(BigInteger i1, BigInteger i2) {
+        BigInteger res = BigInteger.valueOf(0);
+        for (int i = 0; i < 100; i++) {
+            res.add(i1.multiply(i2));
+        }
+        return res;
+    }
+
+    static public void main(String[] args) {
+        BigInteger v = BigInteger.valueOf(Integer.MAX_VALUE).pow(2);
+        for (int i = 0; i < 20000; i++) {
+            m(v, v.add(BigInteger.valueOf(1)));
+        }
+    }
+}