hotspot/test/compiler/c2/Test7048332.java
changeset 40059 c2304140ed64
parent 27699 9913b19c0948
child 41705 332239c052cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/c2/Test7048332.java	Tue Jul 12 18:24:48 2016 +0300
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2011, 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 7048332
+ * @summary Cadd_cmpLTMask doesn't handle 64-bit tmp register properly
+ *
+ * @run main/othervm -Xbatch compiler.c2.Test7048332
+ */
+
+package compiler.c2;
+
+public class Test7048332 {
+
+    static int capacity = 2;
+    static int first = 1;
+    static int last = 2;
+
+    static int test(int i1, int i2, int i3, int i4, int i5, int i6) {
+        final int result;
+        if (last >= first) {
+            result = last - first;
+        } else {
+            result = last - first + capacity;
+        }
+        return result;
+    }
+
+    public static void main(String[] args) {
+        for (int i = 0; i < 11000; i++) {
+            last = (i & 1) << 1; // 0 or 2
+            int k = test(1, 2, 3, 4, 5, 6);
+            if (k != 1) {
+                System.out.println("FAILED: " + k + " != 1");
+                System.exit(97);
+            }
+        }
+    }
+}