| // Copyright (c) 2013, 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 optimization of modulo operator on Smi. |
| |
| |
| main() { |
| for (int i = -3000; i < 3000; i++) { |
| Expect.equals(i % 256, foo(i)); |
| Expect.equals(i % -256, boo(i)); |
| try { |
| hoo(i); |
| Expect.fail("Exception expected."); |
| } catch (e) {} |
| } |
| } |
| |
| foo(i) { |
| return i % 256; // This will get optimized to AND instruction. |
| } |
| |
| |
| boo(i) { |
| return i % -256; |
| } |
| |
| |
| hoo(i) { |
| return i % 0; |
| } |