Implement SIMD types for dart2js

sdk/lib/typed_data/dart2js/typed_data_dart2js.dart

Index: sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
diff --git a/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart b/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
index 9190f3649182e9125e0b74f8aee82e7df485a38c..ca6e1667e3a4ddabe763e7721ed88ebe3e001c55 100644
--- a/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
+++ b/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
@@ -9,6 +9,7 @@ import 'dart:collection';
 import 'dart:_collection-dev';
 import 'dart:_js_helper' show Creates, JavaScriptIndexingBehavior, JSName, Null, Returns;
 import 'dart:_foreign_helper' show JS;
+import 'dart:math' as Math;
 
 /**
  * Describes endianness to be used when accessing a sequence of bytes.
@@ -647,38 +648,864 @@ class Uint64List extends TypedData implements JavaScriptIndexingBehavior, List<i
 }
 
 
-abstract class Float32x4List implements List<Float32x4>, TypedData {
-  factory Float32x4List(int length) {
-    throw new UnsupportedError("Float32x4List not supported by dart2js.");
+class Float32x4List
+    extends Object with ListMixin<Float32x4>, FixedLengthListMixin<Float32x4>
+    implements List<Float32x4>, TypedData {
+
+  final Float32List _storage;
+
+  ByteBuffer get buffer => _storage.buffer;
+
+  int get lengthInBytes => _storage.lengthInBytes;
+
+  int get offsetInBytes => _storage.offsetInBytes;
+
+  final int elementSizeInBytes = 16;
+
+  void _invalidIndex(int index, int length) {
+    if (index < 0 || index >= length) {
+      throw new RangeError.range(index, 0, length);
+    } else {
+      throw new ArgumentError('Invalid list index $index');
+    }
+  }
+
+  void _checkIndex(int index, int length) {
+    if (JS('bool', '(# >>> 0 != #)', index, index) || index >= length) {
+      _invalidIndex(index, length);
+    }
+  }
+
+  int _checkSublistArguments(int start, int end, int length) {
+    // For `sublist` the [start] and [end] indices are allowed to be equal to
+    // [length]. However, [_checkIndex] only allows incides in the range
+    // 0 .. length - 1. We therefore increment the [length] argument by one
+    // for the [_checkIndex] checks.
+    _checkIndex(start, length + 1);
+    if (end == null) return length;
+    _checkIndex(end, length + 1);
+    if (start > end) throw new RangeError.range(start, 0, end);
+    return end;
+  }
+
+  Float32x4List(int length) : _storage = new Float32List(length*4);
+
+  Float32x4List._externalStorage(Float32List storage) : _storage = storage;
+
+  Float32x4List._slowFromList(List<Float32x4> list)
+      : _storage = new Float32List(list.length * 4) {
+    for (int i = 0; i < list.length; i++) {
+      var e = list[i];
+      _storage[(i*4)+0] = e.x;
+      _storage[(i*4)+1] = e.y;
+      _storage[(i*4)+2] = e.z;
+      _storage[(i*4)+3] = e.w;
+    }
   }
 
-  factory Float32x4List.view(ByteBuffer buffer,
-                             [int offsetInBytes = 0, int length]) {
-    throw new UnsupportedError("Float32x4List not supported by dart2js.");
+  factory Float32x4List.fromList(List<Float32x4> list) {
+    if (list is Float32x4List) {
+      return new Float32x4List._externalStorage(
+          new Float32List.fromList(list._storage));
+    } else {
+      return new Float32x4List._slowFromList(list);
+    }
   }
 
+  Float32x4List.view(ByteBuffer buffer,
+                     [int byteOffset = 0, int length])
+      : _storage = new Float32List.view(buffer, byteOffset, length);
+
   static const int BYTES_PER_ELEMENT = 16;
+
+  int get length => _storage.length ~/ 4;
+
+  Float32x4 operator[](int index) {
+    _checkIndex(index, length);
+    double _x = _storage[(index*4)+0];
+    double _y = _storage[(index*4)+1];
+    double _z = _storage[(index*4)+2];
+    double _w = _storage[(index*4)+3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  void operator[]=(int index, Float32x4 value) {
+    _checkIndex(index, length);
+    _storage[(index*4)+0] = value._storage[0];
+    _storage[(index*4)+1] = value._storage[1];
+    _storage[(index*4)+2] = value._storage[2];
+    _storage[(index*4)+3] = value._storage[3];
+  }
+
+  List<Float32x4> sublist(int start, [int end]) {
+    end = _checkSublistArguments(start, end, length);
+    return new Float32x4List._externalStorage(_storage.sublist(start*4, end*4));
+  }
 }
 
 
-abstract class Float32x4 {
-  factory Float32x4(double x, double y, double z, double w) {
-    throw new UnsupportedError("Float32x4 not supported by dart2js.");
+class Float32x4 {
+  final _storage = new Float32List(4);
+
+  Float32x4(double x, double y, double z, double w) {
+    _storage[0] = x;
+    _storage[1] = y;
+    _storage[2] = z;
+    _storage[3] = w;
+  }
+  Float32x4.splat(double v) {
+    _storage[0] = v;
+    _storage[1] = v;
+    _storage[2] = v;
+    _storage[3] = v;
+  }
+  Float32x4.zero();
+
+   /// Addition operator.
+  Float32x4 operator+(Float32x4 other) {
+    double _x = _storage[0] + other._storage[0];
+    double _y = _storage[1] + other._storage[1];
+    double _z = _storage[2] + other._storage[2];
+    double _w = _storage[3] + other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Negate operator.
+  Float32x4 operator-() {
+    double _x = -_storage[0];
+    double _y = -_storage[1];
+    double _z = -_storage[2];
+    double _w = -_storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Subtraction operator.
+  Float32x4 operator-(Float32x4 other) {
+    double _x = _storage[0] - other._storage[0];
+    double _y = _storage[1] - other._storage[1];
+    double _z = _storage[2] - other._storage[2];
+    double _w = _storage[3] - other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
   }
-  factory Float32x4.splat(double v) {
-    throw new UnsupportedError("Float32x4 not supported by dart2js.");
+
+  /// Multiplication operator.
+  Float32x4 operator*(Float32x4 other) {
+    double _x = _storage[0] * other._storage[0];
+    double _y = _storage[1] * other._storage[1];
+    double _z = _storage[2] * other._storage[2];
+    double _w = _storage[3] * other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
   }
-  factory Float32x4.zero() {
-    throw new UnsupportedError("Float32x4 not supported by dart2js.");
+
+  /// Division operator.
+  Float32x4 operator/(Float32x4 other) {
+    double _x = _storage[0] / other._storage[0];
+    double _y = _storage[1] / other._storage[1];
+    double _z = _storage[2] / other._storage[2];
+    double _w = _storage[3] / other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Relational less than.
+  Uint32x4 lessThan(Float32x4 other) {
+    bool _cx = _storage[0] < other._storage[0];
+    bool _cy = _storage[1] < other._storage[1];
+    bool _cz = _storage[2] < other._storage[2];
+    bool _cw = _storage[3] < other._storage[3];
+    return new Uint32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+                        _cy == true ? 0xFFFFFFFF : 0x0,
+                        _cz == true ? 0xFFFFFFFF : 0x0,
+                        _cw == true ? 0xFFFFFFFF : 0x0);
+  }
+
+  /// Relational less than or equal.
+  Uint32x4 lessThanOrEqual(Float32x4 other) {
+    bool _cx = _storage[0] <= other._storage[0];
+    bool _cy = _storage[1] <= other._storage[1];
+    bool _cz = _storage[2] <= other._storage[2];
+    bool _cw = _storage[3] <= other._storage[3];
+    return new Uint32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+                        _cy == true ? 0xFFFFFFFF : 0x0,
+                        _cz == true ? 0xFFFFFFFF : 0x0,
+                        _cw == true ? 0xFFFFFFFF : 0x0);
+  }
+
+  /// Relational greater than.
+  Uint32x4 greaterThan(Float32x4 other) {
+    bool _cx = _storage[0] > other._storage[0];
+    bool _cy = _storage[1] > other._storage[1];
+    bool _cz = _storage[2] > other._storage[2];
+    bool _cw = _storage[3] > other._storage[3];
+    return new Uint32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+                        _cy == true ? 0xFFFFFFFF : 0x0,
+                        _cz == true ? 0xFFFFFFFF : 0x0,
+                        _cw == true ? 0xFFFFFFFF : 0x0);
+  }
+
+  /// Relational greater than or equal.
+  Uint32x4 greaterThanOrEqual(Float32x4 other) {
+    bool _cx = _storage[0] >= other._storage[0];
+    bool _cy = _storage[1] >= other._storage[1];
+    bool _cz = _storage[2] >= other._storage[2];
+    bool _cw = _storage[3] >= other._storage[3];
+    return new Uint32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+                        _cy == true ? 0xFFFFFFFF : 0x0,
+                        _cz == true ? 0xFFFFFFFF : 0x0,
+                        _cw == true ? 0xFFFFFFFF : 0x0);
+  }
+
+  /// Relational equal.
+  Uint32x4 equal(Float32x4 other) {
+    bool _cx = _storage[0] == other._storage[0];
+    bool _cy = _storage[1] == other._storage[1];
+    bool _cz = _storage[2] == other._storage[2];
+    bool _cw = _storage[3] == other._storage[3];
+    return new Uint32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+                        _cy == true ? 0xFFFFFFFF : 0x0,
+                        _cz == true ? 0xFFFFFFFF : 0x0,
+                        _cw == true ? 0xFFFFFFFF : 0x0);
+  }
+
+  /// Relational not-equal.
+  Uint32x4 notEqual(Float32x4 other) {
+    bool _cx = _storage[0] != other._storage[0];
+    bool _cy = _storage[1] != other._storage[1];
+    bool _cz = _storage[2] != other._storage[2];
+    bool _cw = _storage[3] != other._storage[3];
+    return new Uint32x4(_cx == true ? 0xFFFFFFFF : 0x0,
+                        _cy == true ? 0xFFFFFFFF : 0x0,
+                        _cz == true ? 0xFFFFFFFF : 0x0,
+                        _cw == true ? 0xFFFFFFFF : 0x0);
+  }
+
+  /// Returns a copy of [this] each lane being scaled by [s].
+  Float32x4 scale(double s) {
+    double _x = s * _storage[0];
+    double _y = s * _storage[1];
+    double _z = s * _storage[2];
+    double _w = s * _storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns the absolute value of this [Float32x4].
+  Float32x4 abs() {
+    double _x = _storage[0].abs();
+    double _y = _storage[1].abs();
+    double _z = _storage[2].abs();
+    double _w = _storage[3].abs();
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Clamps [this] to be in the range [lowerLimit]-[upperLimit].
+  Float32x4 clamp(Float32x4 lowerLimit, Float32x4 upperLimit) {
+    double _lx = lowerLimit._storage[0];
+    double _ly = lowerLimit._storage[1];
+    double _lz = lowerLimit._storage[2];
+    double _lw = lowerLimit._storage[3];
+    double _ux = upperLimit._storage[0];
+    double _uy = upperLimit._storage[1];
+    double _uz = upperLimit._storage[2];
+    double _uw = upperLimit._storage[3];
+    double _x = _storage[0];
+    double _y = _storage[1];
+    double _z = _storage[2];
+    double _w = _storage[3];
+    _x = _x < _lx ? _lx : _x;
+    _x = _x > _ux ? _ux : _x;
+    _y = _y < _ly ? _ly : _y;
+    _y = _y > _uy ? _uy : _y;
+    _z = _z < _lz ? _lz : _z;
+    _z = _z > _uz ? _uz : _z;
+    _w = _w < _lw ? _lw : _w;
+    _w = _w > _uw ? _uw : _w;
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Extracted x value.
+  double get x => _storage[0];
+  /// Extracted y value.
+  double get y => _storage[1];
+  /// Extracted z value.
+  double get z => _storage[2];
+  /// Extracted w value.
+  double get w => _storage[3];
+
+  Float32x4 get xxxx => _shuffle(0x0);
+  Float32x4 get xxxy => _shuffle(0x40);
+  Float32x4 get xxxz => _shuffle(0x80);
+  Float32x4 get xxxw => _shuffle(0xC0);
+  Float32x4 get xxyx => _shuffle(0x10);
+  Float32x4 get xxyy => _shuffle(0x50);
+  Float32x4 get xxyz => _shuffle(0x90);
+  Float32x4 get xxyw => _shuffle(0xD0);
+  Float32x4 get xxzx => _shuffle(0x20);
+  Float32x4 get xxzy => _shuffle(0x60);
+  Float32x4 get xxzz => _shuffle(0xA0);
+  Float32x4 get xxzw => _shuffle(0xE0);
+  Float32x4 get xxwx => _shuffle(0x30);
+  Float32x4 get xxwy => _shuffle(0x70);
+  Float32x4 get xxwz => _shuffle(0xB0);
+  Float32x4 get xxww => _shuffle(0xF0);
+  Float32x4 get xyxx => _shuffle(0x4);
+  Float32x4 get xyxy => _shuffle(0x44);
+  Float32x4 get xyxz => _shuffle(0x84);
+  Float32x4 get xyxw => _shuffle(0xC4);
+  Float32x4 get xyyx => _shuffle(0x14);
+  Float32x4 get xyyy => _shuffle(0x54);
+  Float32x4 get xyyz => _shuffle(0x94);
+  Float32x4 get xyyw => _shuffle(0xD4);
+  Float32x4 get xyzx => _shuffle(0x24);
+  Float32x4 get xyzy => _shuffle(0x64);
+  Float32x4 get xyzz => _shuffle(0xA4);
+  Float32x4 get xyzw => _shuffle(0xE4);
+  Float32x4 get xywx => _shuffle(0x34);
+  Float32x4 get xywy => _shuffle(0x74);
+  Float32x4 get xywz => _shuffle(0xB4);
+  Float32x4 get xyww => _shuffle(0xF4);
+  Float32x4 get xzxx => _shuffle(0x8);
+  Float32x4 get xzxy => _shuffle(0x48);
+  Float32x4 get xzxz => _shuffle(0x88);
+  Float32x4 get xzxw => _shuffle(0xC8);
+  Float32x4 get xzyx => _shuffle(0x18);
+  Float32x4 get xzyy => _shuffle(0x58);
+  Float32x4 get xzyz => _shuffle(0x98);
+  Float32x4 get xzyw => _shuffle(0xD8);
+  Float32x4 get xzzx => _shuffle(0x28);
+  Float32x4 get xzzy => _shuffle(0x68);
+  Float32x4 get xzzz => _shuffle(0xA8);
+  Float32x4 get xzzw => _shuffle(0xE8);
+  Float32x4 get xzwx => _shuffle(0x38);
+  Float32x4 get xzwy => _shuffle(0x78);
+  Float32x4 get xzwz => _shuffle(0xB8);
+  Float32x4 get xzww => _shuffle(0xF8);
+  Float32x4 get xwxx => _shuffle(0xC);
+  Float32x4 get xwxy => _shuffle(0x4C);
+  Float32x4 get xwxz => _shuffle(0x8C);
+  Float32x4 get xwxw => _shuffle(0xCC);
+  Float32x4 get xwyx => _shuffle(0x1C);
+  Float32x4 get xwyy => _shuffle(0x5C);
+  Float32x4 get xwyz => _shuffle(0x9C);
+  Float32x4 get xwyw => _shuffle(0xDC);
+  Float32x4 get xwzx => _shuffle(0x2C);
+  Float32x4 get xwzy => _shuffle(0x6C);
+  Float32x4 get xwzz => _shuffle(0xAC);
+  Float32x4 get xwzw => _shuffle(0xEC);
+  Float32x4 get xwwx => _shuffle(0x3C);
+  Float32x4 get xwwy => _shuffle(0x7C);
+  Float32x4 get xwwz => _shuffle(0xBC);
+  Float32x4 get xwww => _shuffle(0xFC);
+  Float32x4 get yxxx => _shuffle(0x1);
+  Float32x4 get yxxy => _shuffle(0x41);
+  Float32x4 get yxxz => _shuffle(0x81);
+  Float32x4 get yxxw => _shuffle(0xC1);
+  Float32x4 get yxyx => _shuffle(0x11);
+  Float32x4 get yxyy => _shuffle(0x51);
+  Float32x4 get yxyz => _shuffle(0x91);
+  Float32x4 get yxyw => _shuffle(0xD1);
+  Float32x4 get yxzx => _shuffle(0x21);
+  Float32x4 get yxzy => _shuffle(0x61);
+  Float32x4 get yxzz => _shuffle(0xA1);
+  Float32x4 get yxzw => _shuffle(0xE1);
+  Float32x4 get yxwx => _shuffle(0x31);
+  Float32x4 get yxwy => _shuffle(0x71);
+  Float32x4 get yxwz => _shuffle(0xB1);
+  Float32x4 get yxww => _shuffle(0xF1);
+  Float32x4 get yyxx => _shuffle(0x5);
+  Float32x4 get yyxy => _shuffle(0x45);
+  Float32x4 get yyxz => _shuffle(0x85);
+  Float32x4 get yyxw => _shuffle(0xC5);
+  Float32x4 get yyyx => _shuffle(0x15);
+  Float32x4 get yyyy => _shuffle(0x55);
+  Float32x4 get yyyz => _shuffle(0x95);
+  Float32x4 get yyyw => _shuffle(0xD5);
+  Float32x4 get yyzx => _shuffle(0x25);
+  Float32x4 get yyzy => _shuffle(0x65);
+  Float32x4 get yyzz => _shuffle(0xA5);
+  Float32x4 get yyzw => _shuffle(0xE5);
+  Float32x4 get yywx => _shuffle(0x35);
+  Float32x4 get yywy => _shuffle(0x75);
+  Float32x4 get yywz => _shuffle(0xB5);
+  Float32x4 get yyww => _shuffle(0xF5);
+  Float32x4 get yzxx => _shuffle(0x9);
+  Float32x4 get yzxy => _shuffle(0x49);
+  Float32x4 get yzxz => _shuffle(0x89);
+  Float32x4 get yzxw => _shuffle(0xC9);
+  Float32x4 get yzyx => _shuffle(0x19);
+  Float32x4 get yzyy => _shuffle(0x59);
+  Float32x4 get yzyz => _shuffle(0x99);
+  Float32x4 get yzyw => _shuffle(0xD9);
+  Float32x4 get yzzx => _shuffle(0x29);
+  Float32x4 get yzzy => _shuffle(0x69);
+  Float32x4 get yzzz => _shuffle(0xA9);
+  Float32x4 get yzzw => _shuffle(0xE9);
+  Float32x4 get yzwx => _shuffle(0x39);
+  Float32x4 get yzwy => _shuffle(0x79);
+  Float32x4 get yzwz => _shuffle(0xB9);
+  Float32x4 get yzww => _shuffle(0xF9);
+  Float32x4 get ywxx => _shuffle(0xD);
+  Float32x4 get ywxy => _shuffle(0x4D);
+  Float32x4 get ywxz => _shuffle(0x8D);
+  Float32x4 get ywxw => _shuffle(0xCD);
+  Float32x4 get ywyx => _shuffle(0x1D);
+  Float32x4 get ywyy => _shuffle(0x5D);
+  Float32x4 get ywyz => _shuffle(0x9D);
+  Float32x4 get ywyw => _shuffle(0xDD);
+  Float32x4 get ywzx => _shuffle(0x2D);
+  Float32x4 get ywzy => _shuffle(0x6D);
+  Float32x4 get ywzz => _shuffle(0xAD);
+  Float32x4 get ywzw => _shuffle(0xED);
+  Float32x4 get ywwx => _shuffle(0x3D);
+  Float32x4 get ywwy => _shuffle(0x7D);
+  Float32x4 get ywwz => _shuffle(0xBD);
+  Float32x4 get ywww => _shuffle(0xFD);
+  Float32x4 get zxxx => _shuffle(0x2);
+  Float32x4 get zxxy => _shuffle(0x42);
+  Float32x4 get zxxz => _shuffle(0x82);
+  Float32x4 get zxxw => _shuffle(0xC2);
+  Float32x4 get zxyx => _shuffle(0x12);
+  Float32x4 get zxyy => _shuffle(0x52);
+  Float32x4 get zxyz => _shuffle(0x92);
+  Float32x4 get zxyw => _shuffle(0xD2);
+  Float32x4 get zxzx => _shuffle(0x22);
+  Float32x4 get zxzy => _shuffle(0x62);
+  Float32x4 get zxzz => _shuffle(0xA2);
+  Float32x4 get zxzw => _shuffle(0xE2);
+  Float32x4 get zxwx => _shuffle(0x32);
+  Float32x4 get zxwy => _shuffle(0x72);
+  Float32x4 get zxwz => _shuffle(0xB2);
+  Float32x4 get zxww => _shuffle(0xF2);
+  Float32x4 get zyxx => _shuffle(0x6);
+  Float32x4 get zyxy => _shuffle(0x46);
+  Float32x4 get zyxz => _shuffle(0x86);
+  Float32x4 get zyxw => _shuffle(0xC6);
+  Float32x4 get zyyx => _shuffle(0x16);
+  Float32x4 get zyyy => _shuffle(0x56);
+  Float32x4 get zyyz => _shuffle(0x96);
+  Float32x4 get zyyw => _shuffle(0xD6);
+  Float32x4 get zyzx => _shuffle(0x26);
+  Float32x4 get zyzy => _shuffle(0x66);
+  Float32x4 get zyzz => _shuffle(0xA6);
+  Float32x4 get zyzw => _shuffle(0xE6);
+  Float32x4 get zywx => _shuffle(0x36);
+  Float32x4 get zywy => _shuffle(0x76);
+  Float32x4 get zywz => _shuffle(0xB6);
+  Float32x4 get zyww => _shuffle(0xF6);
+  Float32x4 get zzxx => _shuffle(0xA);
+  Float32x4 get zzxy => _shuffle(0x4A);
+  Float32x4 get zzxz => _shuffle(0x8A);
+  Float32x4 get zzxw => _shuffle(0xCA);
+  Float32x4 get zzyx => _shuffle(0x1A);
+  Float32x4 get zzyy => _shuffle(0x5A);
+  Float32x4 get zzyz => _shuffle(0x9A);
+  Float32x4 get zzyw => _shuffle(0xDA);
+  Float32x4 get zzzx => _shuffle(0x2A);
+  Float32x4 get zzzy => _shuffle(0x6A);
+  Float32x4 get zzzz => _shuffle(0xAA);
+  Float32x4 get zzzw => _shuffle(0xEA);
+  Float32x4 get zzwx => _shuffle(0x3A);
+  Float32x4 get zzwy => _shuffle(0x7A);
+  Float32x4 get zzwz => _shuffle(0xBA);
+  Float32x4 get zzww => _shuffle(0xFA);
+  Float32x4 get zwxx => _shuffle(0xE);
+  Float32x4 get zwxy => _shuffle(0x4E);
+  Float32x4 get zwxz => _shuffle(0x8E);
+  Float32x4 get zwxw => _shuffle(0xCE);
+  Float32x4 get zwyx => _shuffle(0x1E);
+  Float32x4 get zwyy => _shuffle(0x5E);
+  Float32x4 get zwyz => _shuffle(0x9E);
+  Float32x4 get zwyw => _shuffle(0xDE);
+  Float32x4 get zwzx => _shuffle(0x2E);
+  Float32x4 get zwzy => _shuffle(0x6E);
+  Float32x4 get zwzz => _shuffle(0xAE);
+  Float32x4 get zwzw => _shuffle(0xEE);
+  Float32x4 get zwwx => _shuffle(0x3E);
+  Float32x4 get zwwy => _shuffle(0x7E);
+  Float32x4 get zwwz => _shuffle(0xBE);
+  Float32x4 get zwww => _shuffle(0xFE);
+  Float32x4 get wxxx => _shuffle(0x3);
+  Float32x4 get wxxy => _shuffle(0x43);
+  Float32x4 get wxxz => _shuffle(0x83);
+  Float32x4 get wxxw => _shuffle(0xC3);
+  Float32x4 get wxyx => _shuffle(0x13);
+  Float32x4 get wxyy => _shuffle(0x53);
+  Float32x4 get wxyz => _shuffle(0x93);
+  Float32x4 get wxyw => _shuffle(0xD3);
+  Float32x4 get wxzx => _shuffle(0x23);
+  Float32x4 get wxzy => _shuffle(0x63);
+  Float32x4 get wxzz => _shuffle(0xA3);
+  Float32x4 get wxzw => _shuffle(0xE3);
+  Float32x4 get wxwx => _shuffle(0x33);
+  Float32x4 get wxwy => _shuffle(0x73);
+  Float32x4 get wxwz => _shuffle(0xB3);
+  Float32x4 get wxww => _shuffle(0xF3);
+  Float32x4 get wyxx => _shuffle(0x7);
+  Float32x4 get wyxy => _shuffle(0x47);
+  Float32x4 get wyxz => _shuffle(0x87);
+  Float32x4 get wyxw => _shuffle(0xC7);
+  Float32x4 get wyyx => _shuffle(0x17);
+  Float32x4 get wyyy => _shuffle(0x57);
+  Float32x4 get wyyz => _shuffle(0x97);
+  Float32x4 get wyyw => _shuffle(0xD7);
+  Float32x4 get wyzx => _shuffle(0x27);
+  Float32x4 get wyzy => _shuffle(0x67);
+  Float32x4 get wyzz => _shuffle(0xA7);
+  Float32x4 get wyzw => _shuffle(0xE7);
+  Float32x4 get wywx => _shuffle(0x37);
+  Float32x4 get wywy => _shuffle(0x77);
+  Float32x4 get wywz => _shuffle(0xB7);
+  Float32x4 get wyww => _shuffle(0xF7);
+  Float32x4 get wzxx => _shuffle(0xB);
+  Float32x4 get wzxy => _shuffle(0x4B);
+  Float32x4 get wzxz => _shuffle(0x8B);
+  Float32x4 get wzxw => _shuffle(0xCB);
+  Float32x4 get wzyx => _shuffle(0x1B);
+  Float32x4 get wzyy => _shuffle(0x5B);
+  Float32x4 get wzyz => _shuffle(0x9B);
+  Float32x4 get wzyw => _shuffle(0xDB);
+  Float32x4 get wzzx => _shuffle(0x2B);
+  Float32x4 get wzzy => _shuffle(0x6B);
+  Float32x4 get wzzz => _shuffle(0xAB);
+  Float32x4 get wzzw => _shuffle(0xEB);
+  Float32x4 get wzwx => _shuffle(0x3B);
+  Float32x4 get wzwy => _shuffle(0x7B);
+  Float32x4 get wzwz => _shuffle(0xBB);
+  Float32x4 get wzww => _shuffle(0xFB);
+  Float32x4 get wwxx => _shuffle(0xF);
+  Float32x4 get wwxy => _shuffle(0x4F);
+  Float32x4 get wwxz => _shuffle(0x8F);
+  Float32x4 get wwxw => _shuffle(0xCF);
+  Float32x4 get wwyx => _shuffle(0x1F);
+  Float32x4 get wwyy => _shuffle(0x5F);
+  Float32x4 get wwyz => _shuffle(0x9F);
+  Float32x4 get wwyw => _shuffle(0xDF);
+  Float32x4 get wwzx => _shuffle(0x2F);
+  Float32x4 get wwzy => _shuffle(0x6F);
+  Float32x4 get wwzz => _shuffle(0xAF);
+  Float32x4 get wwzw => _shuffle(0xEF);
+  Float32x4 get wwwx => _shuffle(0x3F);
+  Float32x4 get wwwy => _shuffle(0x7F);
+  Float32x4 get wwwz => _shuffle(0xBF);
+  Float32x4 get wwww => _shuffle(0xFF);
+
+  Float32x4 _shuffle(int m) {
+    double _x = _storage[m & 0x3];
+    double _y = _storage[(m >> 2) & 0x3];
+    double _z = _storage[(m >> 4) & 0x3];
+    double _w = _storage[(m >> 6) & 0x3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Float32x4] with values in the X and Y lanes
+  /// replaced with the values in the Z and W lanes of [other].
+  Float32x4 withZWInXY(Float32x4 other) {
+    double _x = other._storage[2];
+    double _y = other._storage[3];
+    double _z = _storage[2];
+    double _w = _storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Float32x4] with the X and Y lane values
+  /// from [this] and [other] interleaved.
+  Float32x4 interleaveXY(Float32x4 other) {
+    double _x = _storage[0];
+    double _y = other._storage[0];
+    double _z = _storage[1];
+    double _w = other._storage[1];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Float32x4] with the Z and W lane values
+  /// from [this] and [other] interleaved.
+  Float32x4 interleaveZW(Float32x4 other) {
+    double _x = _storage[2];
+    double _y = other._storage[2];
+    double _z = _storage[3];
+    double _w = other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Float32x4] with the X and Y lane value pairs
+  /// from [this] and [other] interleaved.
+  Float32x4 interleaveXYPairs(Float32x4 other) {
+    double _x = _storage[0];
+    double _y = _storage[1];
+    double _z = other._storage[0];
+    double _w = other._storage[1];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Float32x4] with the Z and W lane value pairs
+  /// from [this] and [other] interleaved.
+  Float32x4 interleaveZWPairs(Float32x4 other) {
+    double _x = _storage[2];
+    double _y = _storage[3];
+    double _z = other._storage[2];
+    double _w = other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  Float32x4 withX(double x) {
+    double _x = x;
+    double _y = _storage[1];
+    double _z = _storage[2];
+    double _w = _storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  Float32x4 withY(double y) {
+    double _x = _storage[0];
+    double _y = y;
+    double _z = _storage[2];
+    double _w = _storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  Float32x4 withZ(double z) {
+    double _x = _storage[0];
+    double _y = _storage[1];
+    double _z = z;
+    double _w = _storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  Float32x4 withW(double w) {
+    double _x = _storage[0];
+    double _y = _storage[1];
+    double _z = _storage[2];
+    double _w = w;
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns the lane-wise minimum value in [this] or [other].
+  Float32x4 min(Float32x4 other) {
+    double _x = _storage[0] < other._storage[0] ?
+        _storage[0] : other._storage[0];
+    double _y = _storage[1] < other._storage[1] ?
+        _storage[1] : other._storage[1];
+    double _z = _storage[2] < other._storage[2] ?
+        _storage[2] : other._storage[2];
+    double _w = _storage[3] < other._storage[3] ?
+        _storage[3] : other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns the lane-wise maximum value in [this] or [other].
+  Float32x4 max(Float32x4 other) {
+    double _x = _storage[0] > other._storage[0] ?
+        _storage[0] : other._storage[0];
+    double _y = _storage[1] > other._storage[1] ?
+        _storage[1] : other._storage[1];
+    double _z = _storage[2] > other._storage[2] ?
+        _storage[2] : other._storage[2];
+    double _w = _storage[3] > other._storage[3] ?
+        _storage[3] : other._storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns the square root of [this].
+  Float32x4 sqrt() {
+    double _x = Math.sqrt(_storage[0]);
+    double _y = Math.sqrt(_storage[1]);
+    double _z = Math.sqrt(_storage[2]);
+    double _w = Math.sqrt(_storage[3]);
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns the reciprocal of [this].
+  Float32x4 reciprocal() {
+    double _x = 1.0 / _storage[0];
+    double _y = 1.0 / _storage[1];
+    double _z = 1.0 / _storage[2];
+    double _w = 1.0 / _storage[3];
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns the square root of the reciprocal of [this].
+  Float32x4 reciprocalSqrt() {
+    double _x = Math.sqrt(1.0 / _storage[0]);
+    double _y = Math.sqrt(1.0 / _storage[1]);
+    double _z = Math.sqrt(1.0 / _storage[2]);
+    double _w = Math.sqrt(1.0 / _storage[3]);
+    return new Float32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a bit-wise copy of [this] as a [Uint32x4].
+  Uint32x4 toUint32x4() {
+    var view = new Uint32List.view(_storage.buffer);
+    return new Uint32x4(view[0], view[1], view[2], view[3]);
   }
 }
 
 
-abstract class Uint32x4 {
-  factory Uint32x4(int x, int y, int z, int w) {
-    throw new UnsupportedError("Uint32x4 not supported by dart2js.");
+class Uint32x4 {
+  final _storage = new Uint32List(4);
+
+  Uint32x4(int x, int y, int z, int w) {
+    _storage[0] = x;
+    _storage[1] = y;
+    _storage[2] = z;
+    _storage[3] = w;
+  }
+
+  Uint32x4.bool(bool x, bool y, bool z, bool w) {
+    _storage[0] = x == true ? 0xFFFFFFFF : 0x0;
+    _storage[1] = y == true ? 0xFFFFFFFF : 0x0;
+    _storage[2] = z == true ? 0xFFFFFFFF : 0x0;
+    _storage[3] = w == true ? 0xFFFFFFFF : 0x0;
   }
-  factory Uint32x4.bool(bool x, bool y, bool z, bool w) {
-    throw new UnsupportedError("Uint32x4 not supported by dart2js.");
+
+  /// The bit-wise or operator.
+  Uint32x4 operator|(Uint32x4 other) {
+    int _x = _storage[0] | other._storage[0];
+    int _y = _storage[1] | other._storage[1];
+    int _z = _storage[2] | other._storage[2];
+    int _w = _storage[3] | other._storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// The bit-wise and operator.
+  Uint32x4 operator&(Uint32x4 other) {
+    int _x = _storage[0] & other._storage[0];
+    int _y = _storage[1] & other._storage[1];
+    int _z = _storage[2] & other._storage[2];
+    int _w = _storage[3] & other._storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// The bit-wise xor operator.
+  Uint32x4 operator^(Uint32x4 other) {
+    int _x = _storage[0] ^ other._storage[0];
+    int _y = _storage[1] ^ other._storage[1];
+    int _z = _storage[2] ^ other._storage[2];
+    int _w = _storage[3] ^ other._storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Extract 32-bit mask from x lane.
+  int get x => _storage[0];
+  /// Extract 32-bit mask from y lane.
+  int get y => _storage[1];
+  /// Extract 32-bit mask from z lane.
+  int get z => _storage[2];
+  /// Extract 32-bit mask from w lane.
+  int get w => _storage[3];
+
+  /// Returns a new [Uint32x4] copied from [this] with a new x value.
+  Uint32x4 withX(int x) {
+    int _x = x;
+    int _y = _storage[1];
+    int _z = _storage[2];
+    int _w = _storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Uint32x4] copied from [this] with a new y value.
+  Uint32x4 withY(int y) {
+    int _x = _storage[0];
+    int _y = y;
+    int _z = _storage[2];
+    int _w = _storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Uint32x4] copied from [this] with a new z value.
+  Uint32x4 withZ(int z) {
+    int _x = _storage[0];
+    int _y = _storage[1];
+    int _z = z;
+    int _w = _storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Uint32x4] copied from [this] with a new w value.
+  Uint32x4 withW(int w) {
+    int _x = _storage[0];
+    int _y = _storage[1];
+    int _z = _storage[2];
+    int _w = w;
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Extracted x value. Returns false for 0, true for any other value.
+  bool get flagX => _storage[0] != 0x0;
+  /// Extracted y value. Returns false for 0, true for any other value.
+  bool get flagY => _storage[1] != 0x0;
+  /// Extracted z value. Returns false for 0, true for any other value.
+  bool get flagZ => _storage[2] != 0x0;
+  /// Extracted w value. Returns false for 0, true for any other value.
+  bool get flagW => _storage[3] != 0x0;
+
+  /// Returns a new [Uint32x4] copied from [this] with a new x value.
+  Uint32x4 withFlagX(bool x) {
+    int _x = x == true ? 0xFFFFFFFF : 0x0;
+    int _y = _storage[1];
+    int _z = _storage[2];
+    int _w = _storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Uint32x4] copied from [this] with a new y value.
+  Uint32x4 withFlagY(bool y) {
+    int _x = _storage[0];
+    int _y = y == true ? 0xFFFFFFFF : 0x0;
+    int _z = _storage[2];
+    int _w = _storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Uint32x4] copied from [this] with a new z value.
+  Uint32x4 withFlagZ(bool z) {
+    int _x = _storage[0];
+    int _y = _storage[1];
+    int _z = z == true ? 0xFFFFFFFF : 0x0;
+    int _w = _storage[3];
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Returns a new [Uint32x4] copied from [this] with a new w value.
+  Uint32x4 withFlagW(bool w) {
+    int _x = _storage[0];
+    int _y = _storage[1];
+    int _z = _storage[2];
+    int _w = w == true ? 0xFFFFFFFF : 0x0;
+    return new Uint32x4(_x, _y, _z, _w);
+  }
+
+  /// Merge [trueValue] and [falseValue] based on [this]' bit mask:
+  /// Select bit from [trueValue] when bit in [this] is on.
+  /// Select bit from [falseValue] when bit in [this] is off.
+  Float32x4 select(Float32x4 trueValue, Float32x4 falseValue) {
+    var trueView = new Uint32List.view(trueValue._storage.buffer);
+    var falseView = new Uint32List.view(falseValue._storage.buffer);
+    int cmx = _storage[0];
+    int cmy = _storage[1];
+    int cmz = _storage[2];
+    int cmw = _storage[3];
+    int stx = trueView[0];
+    int sty = trueView[1];
+    int stz = trueView[2];
+    int stw = trueView[3];
+    int sfx = falseView[0];
+    int sfy = falseView[1];
+    int sfz = falseView[2];
+    int sfw = falseView[3];
+    int _x = (cmx & stx) | (~cmx & sfx);
+    int _y = (cmy & sty) | (~cmy & sfy);
+    int _z = (cmz & stz) | (~cmz & sfz);
+    int _w = (cmw & stw) | (~cmw & sfw);
+    var r = new Float32x4(0.0, 0.0, 0.0, 0.0);
+    var rView = new Uint32List.view(r._storage.buffer);
+    rView[0] = _x;
+    rView[1] = _y;
+    rView[2] = _z;
+    rView[3] = _w;
+    return r;
+  }
+
+  /// Returns a bit-wise copy of [this] as a [Float32x4].
+  Float32x4 toFloat32x4() {
+    var view = new Float32List.view(_storage.buffer);
+    return new Float32x4(view[0], view[1], view[2], view[3]);
   }
 }