mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 04:27:17 +00:00
e7d4c48a80
Change-Id: I9a51ae6a1f8f4d018da289b6f29ab18053304c19 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132341 Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
63 lines
1.7 KiB
Dart
63 lines
1.7 KiB
Dart
// 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
|
|
|
|
// 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();
|
|
}
|
|
}
|