| // 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. |
| // VMOptions=--optimization-counter-threshold=10 --no-background-compilation |
| |
| // @dart = 2.9 |
| |
| // Library tag to be able to run in html test framework. |
| library int32x4_sign_mask; |
| |
| import 'dart:typed_data'; |
| import 'package:expect/expect.dart'; |
| |
| void testImmediates() { |
| var f = new Int32x4(1, 2, 3, 4); |
| var m = f.signMask; |
| Expect.equals(0x0, m); |
| f = new Int32x4(-1, -2, -3, -4); |
| m = f.signMask; |
| Expect.equals(0xf, m); |
| f = new Int32x4.bool(true, false, false, false); |
| m = f.signMask; |
| Expect.equals(0x1, m); |
| f = new Int32x4.bool(false, true, false, false); |
| m = f.signMask; |
| Expect.equals(0x2, m); |
| f = new Int32x4.bool(false, false, true, false); |
| m = f.signMask; |
| Expect.equals(0x4, m); |
| f = new Int32x4.bool(false, false, false, true); |
| m = f.signMask; |
| Expect.equals(0x8, m); |
| } |
| |
| void testZero() { |
| var f = new Int32x4(0, 0, 0, 0); |
| var m = f.signMask; |
| Expect.equals(0x0, m); |
| f = new Int32x4(-0, -0, -0, -0); |
| m = f.signMask; |
| Expect.equals(0x0, m); |
| } |
| |
| void testLogic() { |
| var a = new Int32x4(0x80000000, 0x80000000, 0x80000000, 0x80000000); |
| var b = new Int32x4(0x70000000, 0x70000000, 0x70000000, 0x70000000); |
| var c = new Int32x4(0xf0000000, 0xf0000000, 0xf0000000, 0xf0000000); |
| var m1 = (a & c).signMask; |
| Expect.equals(0xf, m1); |
| var m2 = (a & b).signMask; |
| Expect.equals(0x0, m2); |
| var m3 = (b ^ a).signMask; |
| Expect.equals(0xf, m3); |
| var m4 = (b | c).signMask; |
| Expect.equals(0xf, m4); |
| } |
| |
| main() { |
| for (int i = 0; i < 2000; i++) { |
| testImmediates(); |
| testZero(); |
| testLogic(); |
| } |
| } |