Optimized loads/stores for scalar list: Uint8Clamped, Int8, Int16, Uint16.

tests/standalone/int_array_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Dart test program for testing native int arrays.
 
 // Library tag to be able to run in html test framework.
 library IntArrayTest;
 
 import 'dart:scalarlist';
 
+void testInt16() {
+  Int16List intArray = new Int16List(4);
+  intArray[0] = 0;
+  intArray[1] = -1;
+  intArray[2] = -2;
+  intArray[3] = -3;
+  for (int i = 0; i < intArray.length; i++) {
+    intArray[i]++;
+  }
+  var x = intArray[0];
+  var y = intArray[1];
+  var z = intArray[2];
+  var w = intArray[3];
+  Expect.equals(1, x);
+  Expect.equals(0, y);
+  Expect.equals(-1, z);
+  Expect.equals(-2, w);
+  var t = y + 1;
+  intArray[0] = t;
+  Expect.equals(t, intArray[0]);
+}
+
+void testUint16() {
+  Uint16List intArray = new Uint16List(4);
+  intArray[0] = 0;
+  intArray[1] = 1;
+  intArray[2] = 2;
+  intArray[3] = 3;
+  for (int i = 0; i < intArray.length; i++) {
+    intArray[i]--;
+  }
+  var x = intArray[0];
+  var y = intArray[1];
+  var z = intArray[2];
+  var w = intArray[3];
+  Expect.equals(65535, x);
+  Expect.equals(0, y);
+  Expect.equals(1, z);
+  Expect.equals(2, w); 
+  var t = y + 1;
+  intArray[0] = t;
+  Expect.equals(t, intArray[0]);
+}
+
 void testInt32ToSmi() {
   Int32List intArray;
 
   intArray = new Int32List(4);
   intArray[0] = 1073741823;  // SmiMax
   intArray[1] = -1073741824;  // SmiMin
   intArray[2] = 1073741824;  // SmiMax+1
   intArray[3] = -1073741825;  // SmiMin-1
   var x = intArray[0];
   var y = intArray[1];
@@ skipping 46 matching lines @@
 
   intArray = new Uint64List(4);
   intArray[0] = 4611686018427387903;  // SmiMax
   intArray[1] = -1;  // 0xFFFFFFFFFFFFFFFF : 18446744073709551615
   intArray[2] = 4611686018427387904; // SmiMax+1
   intArray[3] = 9223372036854775808;
   var x = intArray[0];
   var y = intArray[1];
   var z = intArray[2];
   var w = intArray[3];
-  print(w);
   Expect.equals(4611686018427387903, x);
   Expect.equals(18446744073709551615, y);
   Expect.equals(4611686018427387904, z);
   Expect.equals(9223372036854775808, w);
 }
 
 
 main() {
   testUint64ToSmi();
-  return;
   for (int i = 0; i < 2000; i++) {
+    testInt16();
+    testUint16();
     testInt32ToSmi();
     testUint32ToSmi();
     testInt64ToSmi();
     testUint64ToSmi();
   }
 }