8006069: Range analysis first iteration, runtime specializations

Reviewed-by: jlaskey, sundar

nashorn/test/script/basic/ranges_payload.js

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2010, 2013, 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.
+ */
+
+/**
+ * range analysis test. check that computation return values are correct
+ * both with and without range analysis
+ *
+ * @subtest
+ */
+
+function f(c) {
+    var v = c & 0xffff;
+    var w = v & 0xfff;
+    var x = v * w;
+    return x;
+}
+
+function g() {
+    var sum = 0;
+    for (var x = 0; x < 4711; x++) {
+	sum += x;
+    }
+    return sum;
+}
+
+function g2() {
+    var sum = 0;
+    //make sure we overflow
+    var displacement = 0x7ffffffe;
+    for (var x = displacement; x < (displacement + 2); x++) {
+	sum += x;
+    }
+    return sum;
+}
+
+//mostly provide code coverage for all the range operations    
+function h() {
+    var sum = 0;
+    sum += 4711;
+    sum &= 0xffff;
+    sum /= 2;
+    sum *= 2;
+    sum -= 4;
+    sum |= 2;
+    sum ^= 17;
+    sum = sum % 10000;
+    sum = -sum;
+    return sum
+}
+
+print(f(17));
+print(g());
+print(g2());
+print(h());