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// 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=--max_deoptimization_counter_threshold=1000 --optimization-counter-threshold=10 --no-background-compilation
// @dart = 2.9
// Library tag to be able to run in html test framework.
library uint32x4_arithmetic_test;
import 'dart:typed_data';
import "package:expect/expect.dart";
testAdd() {
var m = new Int32x4(0, 0, 0, 0);
var n = new Int32x4(-1, -1, -1, -1);
var o = m + n;
Expect.equals(-1, o.x);
Expect.equals(-1, o.y);
Expect.equals(-1, o.z);
Expect.equals(-1, o.w);
m = new Int32x4(0, 0, 0, 0);
n = new Int32x4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
o = m + n;
Expect.equals(-1, o.x);
Expect.equals(-1, o.y);
Expect.equals(-1, o.z);
Expect.equals(-1, o.w);
n = new Int32x4(1, 1, 1, 1);
m = new Int32x4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
o = m + n;
Expect.equals(0, o.x);
Expect.equals(0, o.y);
Expect.equals(0, o.z);
Expect.equals(0, o.w);
n = new Int32x4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
m = new Int32x4(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
o = m + n;
Expect.equals(-2, o.x);
Expect.equals(-2, o.y);
Expect.equals(-2, o.z);
Expect.equals(-2, o.w);
n = new Int32x4(1, 0, 0, 0);
m = new Int32x4(2, 0, 0, 0);
o = n + m;
Expect.equals(3, o.x);
Expect.equals(0, o.y);
Expect.equals(0, o.z);
Expect.equals(0, o.w);
n = new Int32x4(1, 3, 0, 0);
m = new Int32x4(2, 4, 0, 0);
o = n + m;
Expect.equals(3, o.x);
Expect.equals(7, o.y);
Expect.equals(0, o.z);
Expect.equals(0, o.w);
n = new Int32x4(1, 3, 5, 0);
m = new Int32x4(2, 4, 6, 0);
o = n + m;
Expect.equals(3, o.x);
Expect.equals(7, o.y);
Expect.equals(11, o.z);
Expect.equals(0, o.w);
n = new Int32x4(1, 3, 5, 7);
m = new Int32x4(-2, -4, -6, -8);
o = n + m;
Expect.equals(-1, o.x);
Expect.equals(-1, o.y);
Expect.equals(-1, o.z);
Expect.equals(-1, o.w);
}
testSub() {
var m = new Int32x4(0, 0, 0, 0);
var n = new Int32x4(1, 1, 1, 1);
var o = m - n;
Expect.equals(-1, o.x);
Expect.equals(-1, o.y);
Expect.equals(-1, o.z);
Expect.equals(-1, o.w);
o = n - m;
Expect.equals(1, o.x);
Expect.equals(1, o.y);
Expect.equals(1, o.z);
Expect.equals(1, o.w);
}
const int53 = 0x20000000000000; // 2^53.
final usingJavaScriptNumbers = (int53 + 1) == int53;
testTruncation() {
// Check that various bits from bit 32 and up are masked away.
var base = usingJavaScriptNumbers ? 0x1BCCDD00000000 : 0xAABBCCDD00000000;
var x1 = new Int32x4(base + 1, 0, 0, 0);
Expect.equals(1, x1.x);
// Check that all even bits up to bit 30 are preserved.
var x2 = new Int32x4(base + 0x55555555, 0, 0, 0);
Expect.equals(0x55555555, x2.x);
// Check that the odd bits up to bit 31 are preserved, and that
// bit 31 is treated as a sign bit.
var x3 = new Int32x4(base + 0xAAAAAAAA, 0, 0, 0);
const signExtended = -1431655766; // 0xFFFFFFFFAAAAAAAA or 0x3FFFFFAAAAAAAA.
Expect.equals(signExtended, x3.x);
// Check that all bits from bit 32 and up are masked away.
var highBase = 0xFFFFFFFF10000000;
var x4 = new Int32x4(highBase, 0, 0, 0);
Expect.equals(0x10000000, x4.x);
}
main() {
for (int i = 0; i < 20; i++) {
testAdd();
testSub();
testTruncation();
}
}