hotspot/test/compiler/loopopts/Test6860469.java
changeset 40059 c2304140ed64
parent 27699 9913b19c0948
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/loopopts/Test6860469.java	Tue Jul 12 18:24:48 2016 +0300
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2009 Google Inc.  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 6860469
+ * @summary remix_address_expressions reshapes address expression with bad control
+ *
+ * @run main/othervm -Xcomp
+ *      -XX:CompileCommand=compileonly,compiler.loopopts.Test6860469::C
+ *      compiler.loopopts.Test6860469
+ */
+
+package compiler.loopopts;
+
+public class Test6860469 {
+
+    private static final int H = 16;
+    private static final int F = 9;
+
+    static int[] fl = new int[1 << F];
+
+    static int C(int ll, int f) {
+        int max = -1;
+        int min = H + 1;
+
+        if (ll != 0) {
+            if (ll < min) {
+                min = ll;
+            }
+            if (ll > max) {
+                max = ll;
+            }
+        }
+
+        if (f > max) {
+            f = max;
+        }
+        if (min > f) {
+            min = f;
+        }
+
+        for (int mc = 1 >> max - f; mc <= 0; mc++) {
+            int i = mc << (32 - f);
+            fl[i] = max;
+        }
+
+        return min;
+    }
+
+    public static void main(String argv[]) {
+        C(0, 10);
+    }
+}