integrate the SIMD polyfill code

1 files changed, 958 insertions, 0 deletions

diff --git a/src/simd.js b/src/simd.js
new file mode 100644
index 00000000..bbb12d0a
--- /dev/null
+++ b/src/simd.js
@@ -0,0 +1,958 @@
+/*
+  Copyright (C) 2013
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  https://github.com/johnmccutchan/ecmascript_simd/blob/master/src/ecmascript_simd.js
+*/
+
+/**
+  * Construct a new instance of a float32x4 number.
+  * @param {double} value used for x lane.
+  * @param {double} value used for y lane.
+  * @param {double} value used for z lane.
+  * @param {double} value used for w lane.
+  * @constructor
+  */
+function float32x4(x, y, z, w) {
+  if (!(this instanceof float32x4)) {
+    return new float32x4(x, y, z, w);
+  }
+  this.storage_ = new Float32Array(4);
+  this.storage_[0] = x;
+  this.storage_[1] = y;
+  this.storage_[2] = z;
+  this.storage_[3] = w;
+}
+
+/**
+  * Construct a new instance of a float32x4 number with 0.0 in all lanes.
+  * @constructor
+  */
+float32x4.zero = function() {
+  return float32x4(0.0, 0.0, 0.0, 0.0);
+}
+
+/**
+  * Construct a new instance of a float32x4 number with the same value
+  * in all lanes.
+  * @param {double} value used for all lanes.
+  * @constructor
+  */
+float32x4.splat = function(s) {
+  return float32x4(s, s, s, s);
+}
+
+Object.defineProperty(float32x4.prototype, 'x', {
+  get: function() { return this.storage_[0]; }
+});
+
+Object.defineProperty(float32x4.prototype, 'y', {
+  get: function() { return this.storage_[1]; }
+});
+
+Object.defineProperty(float32x4.prototype, 'z', {
+  get: function() { return this.storage_[2]; }
+});
+
+Object.defineProperty(float32x4.prototype, 'w',
+  { get: function() { return this.storage_[3]; }
+});
+
+/**
+  * Extract the sign bit from each lane return them in the first 4 bits.
+  */
+Object.defineProperty(float32x4.prototype, 'signMask', {
+  get: function() {
+    var mx = this.x < 0.0 ? 1 : 0;
+    var my = this.y < 0.0 ? 1 : 0;
+    var mz = this.z < 0.0 ? 1 : 0;
+    var mw = this.w < 0.0 ? 1 : 0;
+    return mx | my << 1 | mz << 2 | mw << 3;
+  }
+});
+
+/**
+  * Construct a new instance of a uint32x4 number.
+  * @param {integer} 32-bit unsigned value used for x lane.
+  * @param {integer} 32-bit unsigned value used for y lane.
+  * @param {integer} 32-bit unsigned value used for z lane.
+  * @param {integer} 32-bit unsigned value used for w lane.
+  * @constructor
+  */
+function uint32x4(x, y, z, w) {
+  if (!(this instanceof uint32x4)) {
+    return new uint32x4(x, y, z, w);
+  }
+  this.storage_ = new Uint32Array(4);
+  this.storage_[0] = x;
+  this.storage_[1] = y;
+  this.storage_[2] = z;
+  this.storage_[3] = w;
+}
+
+/**
+  * Construct a new instance of a uint32x4 number with 0xFFFFFFFF or 0x0 in each
+  * lane, depending on the truth value in x, y, z, and w.
+  * @param {boolean} flag used for x lane.
+  * @param {boolean} flag used for y lane.
+  * @param {boolean} flag used for z lane.
+  * @param {boolean} flag used for w lane.
+  * @constructor
+  */
+uint32x4.bool = function(x, y, z, w) {
+  return uint32x4(x ? 0xFFFFFFFF : 0x0,
+                  y ? 0xFFFFFFFF : 0x0,
+                  z ? 0xFFFFFFFF : 0x0,
+                  w ? 0xFFFFFFFF : 0x0);
+}
+
+/**
+  * Construct a new instance of a uint32x4 number with the same value
+  * in all lanes.
+  * @param {integer} value used for all lanes.
+  * @constructor
+  */
+uint32x4.splat = function(s) {
+  return uint32x4(s, s, s, s);
+}
+
+Object.defineProperty(uint32x4.prototype, 'x', {
+  get: function() { return this.storage_[0]; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'y', {
+  get: function() { return this.storage_[1]; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'z', {
+  get: function() { return this.storage_[2]; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'w',
+  { get: function() { return this.storage_[3]; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'flagX', {
+  get: function() { return this.storage_[0] != 0x0; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'flagY', {
+  get: function() { return this.storage_[1] != 0x0; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'flagZ', {
+  get: function() { return this.storage_[2] != 0x0; }
+});
+
+Object.defineProperty(uint32x4.prototype, 'flagW',
+  { get: function() { return this.storage_[3] != 0x0; }
+});
+
+/**
+  * Extract the sign bit from each lane return them in the first 4 bits.
+  */
+Object.defineProperty(uint32x4.prototype, 'signMask', {
+  get: function() {
+    var mx = (this.storage_[0] & 0x80000000) >>> 31;
+    var my = (this.storage_[1] & 0x80000000) >>> 31;
+    var mz = (this.storage_[2] & 0x80000000) >>> 31;
+    var mw = (this.storage_[3] & 0x80000000) >>> 31;
+    return mx | my << 1 | mz << 2 | mw << 3;
+  }
+});
+
+function isNumber(o) {
+    return typeof o == "number" || (typeof o == "object" && o.constructor === Number);
+}
+
+function isTypedArray(o) {
+  return (o instanceof Int8Array) ||
+         (o instanceof Uint8Array) ||
+         (o instanceof Uint8ClampedArray) ||
+         (o instanceof Int16Array) ||
+         (o instanceof Uint16Array) ||
+         (o instanceof Int32Array) ||
+         (o instanceof Uint32Array) ||
+         (o instanceof Float32Array) ||
+         (o instanceof Float64Array) ||
+         (o instanceof Float32x4Array);
+}
+
+function isArrayBuffer(o) {
+  return (o instanceof ArrayBuffer);
+}
+
+function Float32x4Array(a, b, c) {
+  if (isNumber(a)) {
+    this.storage_ = new Float32Array(a*4);
+    this.length_ = a;
+    this.byteOffset_ = 0;
+    return;
+  } else if (isTypedArray(a)) {
+    if (!(a instanceof Float32x4Array)) {
+      throw "Copying typed array of non-Float32x4Array is unimplemented.";
+    }
+    this.storage_ = new Float32Array(a.length * 4);
+    this.length_ = a.length;
+    this.byteOffset_ = 0;
+    // Copy floats.
+    for (var i = 0; i < a.length*4; i++) {
+      this.storage_[i] = a.storage_[i];
+    }
+  } else if (isArrayBuffer(a)) {
+    if ((b != undefined) && (b % Float32x4Array.BYTES_PER_ELEMENT) != 0) {
+      throw "byteOffset must be a multiple of 16.";
+    }
+    if (c != undefined) {
+      c *= 4;
+      this.storage_ = new Float32Array(a, b, c);
+    }
+    else {
+      // Note: new Float32Array(a, b) is NOT equivalent to new Float32Array(a, b, undefined)
+      this.storage_ = new Float32Array(a, b);
+    }
+    this.length_ = this.storage_.length / 4;
+    this.byteOffset_ = b != undefined ? b : 0;
+  } else {
+    throw "Unknown type of first argument.";
+  }
+}
+
+Object.defineProperty(Float32x4Array.prototype, 'length',
+  { get: function() { return this.length_; }
+});
+
+Object.defineProperty(Float32x4Array.prototype, 'byteLength',
+  { get: function() { return this.length_ * Float32x4Array.BYTES_PER_ELEMENT; }
+});
+
+Object.defineProperty(Float32x4Array, 'BYTES_PER_ELEMENT',
+  { get: function() { return 16; }
+});
+
+Object.defineProperty(Float32x4Array.prototype, 'BYTES_PER_ELEMENT',
+  { get: function() { return 16; }
+});
+
+Object.defineProperty(Float32x4Array.prototype, 'byteOffset',
+  { get: function() { return this.byteOffset_; }
+});
+
+Object.defineProperty(Float32x4Array.prototype, 'buffer',
+  { get: function() { return this.storage_.buffer; }
+});
+
+Float32x4Array.prototype.getAt = function(i) {
+  if (i < 0) {
+    throw "Index must be >= 0.";
+  }
+  if (i >= this.length) {
+    throw "Index out of bounds.";
+  }
+  var x = this.storage_[i*4+0];
+  var y = this.storage_[i*4+1];
+  var z = this.storage_[i*4+2];
+  var w = this.storage_[i*4+3];
+  return float32x4(x, y, z, w);
+}
+
+Float32x4Array.prototype.setAt = function(i, v) {
+  if (i < 0) {
+    throw "Index must be >= 0.";
+  }
+  if (i >= this.length) {
+    throw "Index out of bounds.";
+  }
+  if (!(v instanceof float32x4)) {
+    throw "Value is not a float32x4.";
+  }
+  this.storage_[i*4+0] = v.x;
+  this.storage_[i*4+1] = v.y;
+  this.storage_[i*4+2] = v.z;
+  this.storage_[i*4+3] = v.w;
+}
+
+var SIMD = (function () {
+  return {
+    /**
+      * @return {float32x4} New instance of float32x4 with absolute values of
+      * t.
+      */
+    abs: function(t) {
+      return new float32x4(Math.abs(t.x), Math.abs(t.y), Math.abs(t.z),
+                           Math.abs(t.w));
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with negated values of
+      * t.
+      */
+    neg: function(t) {
+      return new float32x4(-t.x, -t.y, -t.z, -t.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with a + b.
+      */
+    add: function(a, b) {
+      return new float32x4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with a - b.
+      */
+    sub: function(a, b) {
+      return new float32x4(a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with a * b.
+      */
+    mul: function(a, b) {
+      return new float32x4(a.x * b.x, a.y * b.y, a.z * b.z, a.w * b.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with a / b.
+      */
+    div: function(a, b) {
+      return new float32x4(a.x / b.x, a.y / b.y, a.z / b.z, a.w / b.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with t's values clamped
+      * between lowerLimit and upperLimit.
+      */
+    clamp: function(t, lowerLimit, upperLimit) {
+      var cx = t.x < lowerLimit.x ? lowerLimit.x : t.x;
+      var cy = t.y < lowerLimit.y ? lowerLimit.y : t.y;
+      var cz = t.z < lowerLimit.z ? lowerLimit.z : t.z;
+      var cw = t.w < lowerLimit.w ? lowerLimit.w : t.w;
+      cx = cx > upperLimit.x ? upperLimit.x : cx;
+      cy = cy > upperLimit.y ? upperLimit.y : cy;
+      cz = cz > upperLimit.z ? upperLimit.z : cz;
+      cw = cw > upperLimit.w ? upperLimit.w : cw;
+      return new float32x4(cx, cy, cz, cw);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with the minimum value of
+      * t and other.
+      */
+    min: function(t, other) {
+      var cx = t.x > other.x ? other.x : t.x;
+      var cy = t.y > other.y ? other.y : t.y;
+      var cz = t.z > other.z ? other.z : t.z;
+      var cw = t.w > other.w ? other.w : t.w;
+      return new float32x4(cx, cy, cz, cw);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with the maximum value of
+      * t and other.
+      */
+    max: function(t, other) {
+      var cx = t.x < other.x ? other.x : t.x;
+      var cy = t.y < other.y ? other.y : t.y;
+      var cz = t.z < other.z ? other.z : t.z;
+      var cw = t.w < other.w ? other.w : t.w;
+      return new float32x4(cx, cy, cz, cw);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with reciprocal value of
+      * t.
+      */
+    reciprocal: function(t) {
+      return new float32x4(1.0 / t.x, 1.0 / t.y, 1.0 / t.z, 1.0 / t.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with square root of the
+      * reciprocal value of t.
+      */
+    reciprocalSqrt: function(t) {
+      return new float32x4(Math.sqrt(1.0 / t.x), Math.sqrt(1.0 / t.y),
+                           Math.sqrt(1.0 / t.z), Math.sqrt(1.0 / t.w));
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with values of t
+      * scaled by s.
+      */
+    scale: function(t, s) {
+      return new float32x4(s * t.x, s * t.y, s * t.z, s * t.w);
+    },
+    /**
+      * @return {float32x4} New instance of float32x4 with square root of
+      * values of t.
+      */
+    sqrt: function(t) {
+      return new float32x4(Math.sqrt(t.x), Math.sqrt(t.y),
+                           Math.sqrt(t.z), Math.sqrt(t.w));
+    },
+    /**
+      * @param {float32x4} t An instance of float32x4 to be shuffled.
+      * @param {integer} mask One of the 256 shuffle masks, for example, SIMD.XXXX.
+      * @return {float32x4} New instance of float32x4 with lanes shuffled.
+      */
+    shuffle: function(t, mask) {
+      var _x = (mask) & 0x3;
+      var _y = (mask >> 2) & 0x3;
+      var _z = (mask >> 4) & 0x3;
+      var _w = (mask >> 6) & 0x3;
+      return new float32x4(t.storage_[_x], t.storage_[_y], t.storage_[_z],
+                           t.storage_[_w]);
+    },
+    /**
+      * @param {double} value used for x lane.
+      * @return {float32x4} New instance of float32x4 with the values in t and
+      * x replaced with {x}.
+      */
+    withX: function(t, x) {
+      return new float32x4(x, t.y, t.z, t.w);
+    },
+    /**
+      * @param {double} value used for y lane.
+      * @return {float32x4} New instance of float32x4 with the values in t and
+      * y replaced with {y}.
+      */
+    withY: function(t, y) {
+      return new float32x4(t.x, y, t.z, t.w);
+    },
+    /**
+      * @param {double} value used for z lane.
+      * @return {float32x4} New instance of float32x4 with the values in t and
+      * z replaced with {z}.
+      */
+    withZ: function(t, z) {
+      return new float32x4(t.x, t.y, z, t.w);
+    },
+    /**
+      * @param {double} value used for w lane.
+      * @return {float32x4} New instance of float32x4 with the values in t and
+      * w replaced with {w}.
+      */
+    withW: function(t, w) {
+      return new float32x4(t.x, t.y, t.z, w);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @param {float32x4} other An instance of a float32x4.
+      * @return {uint32x4} 0xFFFFFFFF or 0x0 in each lane depending on
+      * the result of t < other.
+      */
+    lessThan: function(t, other) {
+      var cx = t.x < other.x;
+      var cy = t.y < other.y;
+      var cz = t.z < other.z;
+      var cw = t.w < other.w;
+      return uint32x4.bool(cx, cy, cz, cw);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @param {float32x4} other An instance of a float32x4.
+      * @return {uint32x4} 0xFFFFFFFF or 0x0 in each lane depending on
+      * the result of t <= other.
+      */
+    lessThanOrEqual: function(t, other) {
+      var cx = t.x <= other.x;
+      var cy = t.y <= other.y;
+      var cz = t.z <= other.z;
+      var cw = t.w <= other.w;
+      return uint32x4.bool(cx, cy, cz, cw);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @param {float32x4} other An instance of a float32x4.
+      * @return {uint32x4} 0xFFFFFFFF or 0x0 in each lane depending on
+      * the result of t == other.
+      */
+    equal: function(t, other) {
+      var cx = t.x == other.x;
+      var cy = t.y == other.y;
+      var cz = t.z == other.z;
+      var cw = t.w == other.w;
+      return uint32x4.bool(cx, cy, cz, cw);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @param {float32x4} other An instance of a float32x4.
+      * @return {uint32x4} 0xFFFFFFFF or 0x0 in each lane depending on
+      * the result of t != other.
+      */
+    notEqual: function(t, other) {
+      var cx = t.x != other.x;
+      var cy = t.y != other.y;
+      var cz = t.z != other.z;
+      var cw = t.w != other.w;
+      return uint32x4.bool(cx, cy, cz, cw);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @param {float32x4} other An instance of a float32x4.
+      * @return {uint32x4} 0xFFFFFFFF or 0x0 in each lane depending on
+      * the result of t >= other.
+      */
+    greaterThanOrEqual: function(t, other) {
+      var cx = t.x >= other.x;
+      var cy = t.y >= other.y;
+      var cz = t.z >= other.z;
+      var cw = t.w >= other.w;
+      return uint32x4.bool(cx, cy, cz, cw);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @param {float32x4} other An instance of a float32x4.
+      * @return {uint32x4} 0xFFFFFFFF or 0x0 in each lane depending on
+      * the result of t > other.
+      */
+    greaterThan: function(t, other) {
+      var cx = t.x > other.x;
+      var cy = t.y > other.y;
+      var cz = t.z > other.z;
+      var cw = t.w > other.w;
+      return uint32x4.bool(cx, cy, cz, cw);
+    },
+    /**
+      * @param {uint32x4} a An instance of a uint32x4.
+      * @param {uint32x4} b An instance of a uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of a & b.
+      */
+    and: function(a, b) {
+      return new uint32x4(a.x & b.x, a.y & b.y, a.z & b.z, a.w & b.w);
+    },
+    /**
+      * @param {uint32x4} a An instance of a uint32x4.
+      * @param {uint32x4} b An instance of a uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of a | b.
+      */
+    or: function(a, b) {
+      return new uint32x4(a.x | b.x, a.y | b.y, a.z | b.z, a.w | b.w);
+    },
+    /**
+      * @param {uint32x4} a An instance of a uint32x4.
+      * @param {uint32x4} b An instance of a uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of a ^ b.
+      */
+    xor: function(a, b) {
+      return new uint32x4(a.x ^ b.x, a.y ^ b.y, a.z ^ b.z, a.w ^ b.w);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of ~a
+      */
+    negu32: function(t) {
+      return new uint32x4(~t.x, ~t.y, ~t.z, ~t.w);
+    },
+    /**
+      * @param {uint32x4} a An instance of uint32x4.
+      * @param {uint32x4} b An instance of uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of a + b.
+      */
+    addu32: function(a, b) {
+      return new uint32x4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w);
+    },
+    /**
+      * @param {uint32x4} a An instance of uint32x4.
+      * @param {uint32x4} b An instance of uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of a - b.
+      */
+    subu32: function(a, b) {
+      return new uint32x4(a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w);
+    },
+    /**
+      * @param {uint32x4} a An instance of uint32x4.
+      * @param {uint32x4} b An instance of uint32x4.
+      * @return {uint32x4} New instance of uint32x4 with values of a * b.
+      */
+    mulu32: function(a, b) {
+      return new uint32x4(Math.imul(a.x, b.x), Math.imul(a.y, b.y),
+                          Math.imul(a.z, b.z), Math.imul(a.w, b.w));
+    },
+    /**
+      * @param {float32x4}
+      */
+    select: function(t, trueValue, falseValue) {
+      var tv = SIMD.float32x4BitsToUint32x4(trueValue);
+      var fv = SIMD.float32x4BitsToUint32x4(falseValue);
+      var tr = SIMD.and(t, tv);
+      var fr = SIMD.and(SIMD.negu32(t), fv);
+      return SIMD.uint32x4BitsToFloat32x4(SIMD.or(tr, fr));
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @param {integer} 32-bit value used for x lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * x lane replaced with {x}.
+      */
+    withXu32: function(t, x) {
+      return new uint32x4(x, t.y, t.z, t.w);
+    },
+    /**
+      * param {uint32x4} t An instance of a uint32x4.
+      * @param {integer} 32-bit value used for y lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * y lane replaced with {y}.
+      */
+    withYu32: function(t, y) {
+      return new uint32x4(t.x, y, t.z, t.w);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @param {integer} 32-bit value used for z lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * z lane replaced with {z}.
+      */
+    withZu32: function(t, z) {
+      return new uint32x4(t.x, t.y, z, t.w);
+    },
+    /**
+      * @param {integer} 32-bit value used for w lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * w lane replaced with {w}.
+      */
+    withWu32: function(t, w) {
+      return new uint32x4(t.x, t.y, t.z, w);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @param {boolean} x flag used for x lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * x lane replaced with {x}.
+      */
+    withFlagX: function(t, flagX) {
+      var x = flagX ? 0xFFFFFFFF : 0x0;
+      return new uint32x4(x, t.y, t.z, t.w);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @param {boolean} y flag used for y lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * y lane replaced with {y}.
+      */
+    withFlagY: function(t, flagY) {
+      var y = flagY ? 0xFFFFFFFF : 0x0;
+      return new uint32x4(t.x, y, t.z, t.w);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @param {boolean} z flag used for z lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * z lane replaced with {z}.
+      */
+    withFlagZ: function(t, flagZ) {
+      var z = flagZ ? 0xFFFFFFFF : 0x0;
+      return new uint32x4(t.x, t.y, z, t.w);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @param {boolean} w flag used for w lane.
+      * @return {uint32x4} New instance of uint32x4 with the values in t and
+      * w lane replaced with {w}.
+      */
+    withFlagW: function(t, flagW) {
+      var w = flagW ? 0xFFFFFFFF : 0x0;
+      return new uint32x4(t.x, t.y, t.z, w);
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @return {uint32x4} a bit-wise copy of t as a uint32x4.
+      */
+    float32x4BitsToUint32x4: function(t) {
+      var alias = new Uint32Array(t.storage_.buffer);
+      return new uint32x4(alias[0], alias[1], alias[2], alias[3]);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @return {float32x4} a bit-wise copy of t as a float32x4.
+      */
+    uint32x4BitsToFloat32x4: function(t) {
+      var alias = new Float32Array(t.storage_.buffer);
+      return new float32x4(alias[0], alias[1], alias[2], alias[3]);
+    },
+    /**
+      * @param {uint32x4} t An instance of a uint32x4.
+      * @return {float32x4} with a float to integer conversion copy of t.
+      */
+    uint32x4ToFloat32x4: function(t) {
+      var a = float32x4.zero();
+      a.storage_[0] = t.storage_[0];
+      a.storage_[1] = t.storage_[1];
+      a.storage_[2] = t.storage_[2];
+      a.storage_[3] = t.storage_[3];
+      return a;
+    },
+    /**
+      * @param {float32x4} t An instance of a float32x4.
+      * @return {uint32x4} with a integer to float conversion of t.
+      */
+    float32x4ToUint32x4: function(t) {
+      var a = new uint32x4(t.storage_[0], t.storage_[1], t.storage_[2],
+                           t.storage_[3]);
+      return a;
+    }
+  }
+})();
+
+Object.defineProperty(SIMD, 'XXXX', { get: function() { return 0x0; } });
+Object.defineProperty(SIMD, 'XXXY', { get: function() { return 0x40; } });
+Object.defineProperty(SIMD, 'XXXZ', { get: function() { return 0x80; } });
+Object.defineProperty(SIMD, 'XXXW', { get: function() { return 0xC0; } });
+Object.defineProperty(SIMD, 'XXYX', { get: function() { return 0x10; } });
+Object.defineProperty(SIMD, 'XXYY', { get: function() { return 0x50; } });
+Object.defineProperty(SIMD, 'XXYZ', { get: function() { return 0x90; } });
+Object.defineProperty(SIMD, 'XXYW', { get: function() { return 0xD0; } });
+Object.defineProperty(SIMD, 'XXZX', { get: function() { return 0x20; } });
+Object.defineProperty(SIMD, 'XXZY', { get: function() { return 0x60; } });
+Object.defineProperty(SIMD, 'XXZZ', { get: function() { return 0xA0; } });
+Object.defineProperty(SIMD, 'XXZW', { get: function() { return 0xE0; } });
+Object.defineProperty(SIMD, 'XXWX', { get: function() { return 0x30; } });
+Object.defineProperty(SIMD, 'XXWY', { get: function() { return 0x70; } });
+Object.defineProperty(SIMD, 'XXWZ', { get: function() { return 0xB0; } });
+Object.defineProperty(SIMD, 'XXWW', { get: function() { return 0xF0; } });
+Object.defineProperty(SIMD, 'XYXX', { get: function() { return 0x4; } });
+Object.defineProperty(SIMD, 'XYXY', { get: function() { return 0x44; } });
+Object.defineProperty(SIMD, 'XYXZ', { get: function() { return 0x84; } });
+Object.defineProperty(SIMD, 'XYXW', { get: function() { return 0xC4; } });
+Object.defineProperty(SIMD, 'XYYX', { get: function() { return 0x14; } });
+Object.defineProperty(SIMD, 'XYYY', { get: function() { return 0x54; } });
+Object.defineProperty(SIMD, 'XYYZ', { get: function() { return 0x94; } });
+Object.defineProperty(SIMD, 'XYYW', { get: function() { return 0xD4; } });
+Object.defineProperty(SIMD, 'XYZX', { get: function() { return 0x24; } });
+Object.defineProperty(SIMD, 'XYZY', { get: function() { return 0x64; } });
+Object.defineProperty(SIMD, 'XYZZ', { get: function() { return 0xA4; } });
+Object.defineProperty(SIMD, 'XYZW', { get: function() { return 0xE4; } });
+Object.defineProperty(SIMD, 'XYWX', { get: function() { return 0x34; } });
+Object.defineProperty(SIMD, 'XYWY', { get: function() { return 0x74; } });
+Object.defineProperty(SIMD, 'XYWZ', { get: function() { return 0xB4; } });
+Object.defineProperty(SIMD, 'XYWW', { get: function() { return 0xF4; } });
+Object.defineProperty(SIMD, 'XZXX', { get: function() { return 0x8; } });
+Object.defineProperty(SIMD, 'XZXY', { get: function() { return 0x48; } });
+Object.defineProperty(SIMD, 'XZXZ', { get: function() { return 0x88; } });
+Object.defineProperty(SIMD, 'XZXW', { get: function() { return 0xC8; } });
+Object.defineProperty(SIMD, 'XZYX', { get: function() { return 0x18; } });
+Object.defineProperty(SIMD, 'XZYY', { get: function() { return 0x58; } });
+Object.defineProperty(SIMD, 'XZYZ', { get: function() { return 0x98; } });
+Object.defineProperty(SIMD, 'XZYW', { get: function() { return 0xD8; } });
+Object.defineProperty(SIMD, 'XZZX', { get: function() { return 0x28; } });
+Object.defineProperty(SIMD, 'XZZY', { get: function() { return 0x68; } });
+Object.defineProperty(SIMD, 'XZZZ', { get: function() { return 0xA8; } });
+Object.defineProperty(SIMD, 'XZZW', { get: function() { return 0xE8; } });
+Object.defineProperty(SIMD, 'XZWX', { get: function() { return 0x38; } });
+Object.defineProperty(SIMD, 'XZWY', { get: function() { return 0x78; } });
+Object.defineProperty(SIMD, 'XZWZ', { get: function() { return 0xB8; } });
+Object.defineProperty(SIMD, 'XZWW', { get: function() { return 0xF8; } });
+Object.defineProperty(SIMD, 'XWXX', { get: function() { return 0xC; } });
+Object.defineProperty(SIMD, 'XWXY', { get: function() { return 0x4C; } });
+Object.defineProperty(SIMD, 'XWXZ', { get: function() { return 0x8C; } });
+Object.defineProperty(SIMD, 'XWXW', { get: function() { return 0xCC; } });
+Object.defineProperty(SIMD, 'XWYX', { get: function() { return 0x1C; } });
+Object.defineProperty(SIMD, 'XWYY', { get: function() { return 0x5C; } });
+Object.defineProperty(SIMD, 'XWYZ', { get: function() { return 0x9C; } });
+Object.defineProperty(SIMD, 'XWYW', { get: function() { return 0xDC; } });
+Object.defineProperty(SIMD, 'XWZX', { get: function() { return 0x2C; } });
+Object.defineProperty(SIMD, 'XWZY', { get: function() { return 0x6C; } });
+Object.defineProperty(SIMD, 'XWZZ', { get: function() { return 0xAC; } });
+Object.defineProperty(SIMD, 'XWZW', { get: function() { return 0xEC; } });
+Object.defineProperty(SIMD, 'XWWX', { get: function() { return 0x3C; } });
+Object.defineProperty(SIMD, 'XWWY', { get: function() { return 0x7C; } });
+Object.defineProperty(SIMD, 'XWWZ', { get: function() { return 0xBC; } });
+Object.defineProperty(SIMD, 'XWWW', { get: function() { return 0xFC; } });
+Object.defineProperty(SIMD, 'YXXX', { get: function() { return 0x1; } });
+Object.defineProperty(SIMD, 'YXXY', { get: function() { return 0x41; } });
+Object.defineProperty(SIMD, 'YXXZ', { get: function() { return 0x81; } });
+Object.defineProperty(SIMD, 'YXXW', { get: function() { return 0xC1; } });
+Object.defineProperty(SIMD, 'YXYX', { get: function() { return 0x11; } });
+Object.defineProperty(SIMD, 'YXYY', { get: function() { return 0x51; } });
+Object.defineProperty(SIMD, 'YXYZ', { get: function() { return 0x91; } });
+Object.defineProperty(SIMD, 'YXYW', { get: function() { return 0xD1; } });
+Object.defineProperty(SIMD, 'YXZX', { get: function() { return 0x21; } });
+Object.defineProperty(SIMD, 'YXZY', { get: function() { return 0x61; } });
+Object.defineProperty(SIMD, 'YXZZ', { get: function() { return 0xA1; } });
+Object.defineProperty(SIMD, 'YXZW', { get: function() { return 0xE1; } });
+Object.defineProperty(SIMD, 'YXWX', { get: function() { return 0x31; } });
+Object.defineProperty(SIMD, 'YXWY', { get: function() { return 0x71; } });
+Object.defineProperty(SIMD, 'YXWZ', { get: function() { return 0xB1; } });
+Object.defineProperty(SIMD, 'YXWW', { get: function() { return 0xF1; } });
+Object.defineProperty(SIMD, 'YYXX', { get: function() { return 0x5; } });
+Object.defineProperty(SIMD, 'YYXY', { get: function() { return 0x45; } });
+Object.defineProperty(SIMD, 'YYXZ', { get: function() { return 0x85; } });
+Object.defineProperty(SIMD, 'YYXW', { get: function() { return 0xC5; } });
+Object.defineProperty(SIMD, 'YYYX', { get: function() { return 0x15; } });
+Object.defineProperty(SIMD, 'YYYY', { get: function() { return 0x55; } });
+Object.defineProperty(SIMD, 'YYYZ', { get: function() { return 0x95; } });
+Object.defineProperty(SIMD, 'YYYW', { get: function() { return 0xD5; } });
+Object.defineProperty(SIMD, 'YYZX', { get: function() { return 0x25; } });
+Object.defineProperty(SIMD, 'YYZY', { get: function() { return 0x65; } });
+Object.defineProperty(SIMD, 'YYZZ', { get: function() { return 0xA5; } });
+Object.defineProperty(SIMD, 'YYZW', { get: function() { return 0xE5; } });
+Object.defineProperty(SIMD, 'YYWX', { get: function() { return 0x35; } });
+Object.defineProperty(SIMD, 'YYWY', { get: function() { return 0x75; } });
+Object.defineProperty(SIMD, 'YYWZ', { get: function() { return 0xB5; } });
+Object.defineProperty(SIMD, 'YYWW', { get: function() { return 0xF5; } });
+Object.defineProperty(SIMD, 'YZXX', { get: function() { return 0x9; } });
+Object.defineProperty(SIMD, 'YZXY', { get: function() { return 0x49; } });
+Object.defineProperty(SIMD, 'YZXZ', { get: function() { return 0x89; } });
+Object.defineProperty(SIMD, 'YZXW', { get: function() { return 0xC9; } });
+Object.defineProperty(SIMD, 'YZYX', { get: function() { return 0x19; } });
+Object.defineProperty(SIMD, 'YZYY', { get: function() { return 0x59; } });
+Object.defineProperty(SIMD, 'YZYZ', { get: function() { return 0x99; } });
+Object.defineProperty(SIMD, 'YZYW', { get: function() { return 0xD9; } });
+Object.defineProperty(SIMD, 'YZZX', { get: function() { return 0x29; } });
+Object.defineProperty(SIMD, 'YZZY', { get: function() { return 0x69; } });
+Object.defineProperty(SIMD, 'YZZZ', { get: function() { return 0xA9; } });
+Object.defineProperty(SIMD, 'YZZW', { get: function() { return 0xE9; } });
+Object.defineProperty(SIMD, 'YZWX', { get: function() { return 0x39; } });
+Object.defineProperty(SIMD, 'YZWY', { get: function() { return 0x79; } });
+Object.defineProperty(SIMD, 'YZWZ', { get: function() { return 0xB9; } });
+Object.defineProperty(SIMD, 'YZWW', { get: function() { return 0xF9; } });
+Object.defineProperty(SIMD, 'YWXX', { get: function() { return 0xD; } });
+Object.defineProperty(SIMD, 'YWXY', { get: function() { return 0x4D; } });
+Object.defineProperty(SIMD, 'YWXZ', { get: function() { return 0x8D; } });
+Object.defineProperty(SIMD, 'YWXW', { get: function() { return 0xCD; } });
+Object.defineProperty(SIMD, 'YWYX', { get: function() { return 0x1D; } });
+Object.defineProperty(SIMD, 'YWYY', { get: function() { return 0x5D; } });
+Object.defineProperty(SIMD, 'YWYZ', { get: function() { return 0x9D; } });
+Object.defineProperty(SIMD, 'YWYW', { get: function() { return 0xDD; } });
+Object.defineProperty(SIMD, 'YWZX', { get: function() { return 0x2D; } });
+Object.defineProperty(SIMD, 'YWZY', { get: function() { return 0x6D; } });
+Object.defineProperty(SIMD, 'YWZZ', { get: function() { return 0xAD; } });
+Object.defineProperty(SIMD, 'YWZW', { get: function() { return 0xED; } });
+Object.defineProperty(SIMD, 'YWWX', { get: function() { return 0x3D; } });
+Object.defineProperty(SIMD, 'YWWY', { get: function() { return 0x7D; } });
+Object.defineProperty(SIMD, 'YWWZ', { get: function() { return 0xBD; } });
+Object.defineProperty(SIMD, 'YWWW', { get: function() { return 0xFD; } });
+Object.defineProperty(SIMD, 'ZXXX', { get: function() { return 0x2; } });
+Object.defineProperty(SIMD, 'ZXXY', { get: function() { return 0x42; } });
+Object.defineProperty(SIMD, 'ZXXZ', { get: function() { return 0x82; } });
+Object.defineProperty(SIMD, 'ZXXW', { get: function() { return 0xC2; } });
+Object.defineProperty(SIMD, 'ZXYX', { get: function() { return 0x12; } });
+Object.defineProperty(SIMD, 'ZXYY', { get: function() { return 0x52; } });
+Object.defineProperty(SIMD, 'ZXYZ', { get: function() { return 0x92; } });
+Object.defineProperty(SIMD, 'ZXYW', { get: function() { return 0xD2; } });
+Object.defineProperty(SIMD, 'ZXZX', { get: function() { return 0x22; } });
+Object.defineProperty(SIMD, 'ZXZY', { get: function() { return 0x62; } });
+Object.defineProperty(SIMD, 'ZXZZ', { get: function() { return 0xA2; } });
+Object.defineProperty(SIMD, 'ZXZW', { get: function() { return 0xE2; } });
+Object.defineProperty(SIMD, 'ZXWX', { get: function() { return 0x32; } });
+Object.defineProperty(SIMD, 'ZXWY', { get: function() { return 0x72; } });
+Object.defineProperty(SIMD, 'ZXWZ', { get: function() { return 0xB2; } });
+Object.defineProperty(SIMD, 'ZXWW', { get: function() { return 0xF2; } });
+Object.defineProperty(SIMD, 'ZYXX', { get: function() { return 0x6; } });
+Object.defineProperty(SIMD, 'ZYXY', { get: function() { return 0x46; } });
+Object.defineProperty(SIMD, 'ZYXZ', { get: function() { return 0x86; } });
+Object.defineProperty(SIMD, 'ZYXW', { get: function() { return 0xC6; } });
+Object.defineProperty(SIMD, 'ZYYX', { get: function() { return 0x16; } });
+Object.defineProperty(SIMD, 'ZYYY', { get: function() { return 0x56; } });
+Object.defineProperty(SIMD, 'ZYYZ', { get: function() { return 0x96; } });
+Object.defineProperty(SIMD, 'ZYYW', { get: function() { return 0xD6; } });
+Object.defineProperty(SIMD, 'ZYZX', { get: function() { return 0x26; } });
+Object.defineProperty(SIMD, 'ZYZY', { get: function() { return 0x66; } });
+Object.defineProperty(SIMD, 'ZYZZ', { get: function() { return 0xA6; } });
+Object.defineProperty(SIMD, 'ZYZW', { get: function() { return 0xE6; } });
+Object.defineProperty(SIMD, 'ZYWX', { get: function() { return 0x36; } });
+Object.defineProperty(SIMD, 'ZYWY', { get: function() { return 0x76; } });
+Object.defineProperty(SIMD, 'ZYWZ', { get: function() { return 0xB6; } });
+Object.defineProperty(SIMD, 'ZYWW', { get: function() { return 0xF6; } });
+Object.defineProperty(SIMD, 'ZZXX', { get: function() { return 0xA; } });
+Object.defineProperty(SIMD, 'ZZXY', { get: function() { return 0x4A; } });
+Object.defineProperty(SIMD, 'ZZXZ', { get: function() { return 0x8A; } });
+Object.defineProperty(SIMD, 'ZZXW', { get: function() { return 0xCA; } });
+Object.defineProperty(SIMD, 'ZZYX', { get: function() { return 0x1A; } });
+Object.defineProperty(SIMD, 'ZZYY', { get: function() { return 0x5A; } });
+Object.defineProperty(SIMD, 'ZZYZ', { get: function() { return 0x9A; } });
+Object.defineProperty(SIMD, 'ZZYW', { get: function() { return 0xDA; } });
+Object.defineProperty(SIMD, 'ZZZX', { get: function() { return 0x2A; } });
+Object.defineProperty(SIMD, 'ZZZY', { get: function() { return 0x6A; } });
+Object.defineProperty(SIMD, 'ZZZZ', { get: function() { return 0xAA; } });
+Object.defineProperty(SIMD, 'ZZZW', { get: function() { return 0xEA; } });
+Object.defineProperty(SIMD, 'ZZWX', { get: function() { return 0x3A; } });
+Object.defineProperty(SIMD, 'ZZWY', { get: function() { return 0x7A; } });
+Object.defineProperty(SIMD, 'ZZWZ', { get: function() { return 0xBA; } });
+Object.defineProperty(SIMD, 'ZZWW', { get: function() { return 0xFA; } });
+Object.defineProperty(SIMD, 'ZWXX', { get: function() { return 0xE; } });
+Object.defineProperty(SIMD, 'ZWXY', { get: function() { return 0x4E; } });
+Object.defineProperty(SIMD, 'ZWXZ', { get: function() { return 0x8E; } });
+Object.defineProperty(SIMD, 'ZWXW', { get: function() { return 0xCE; } });
+Object.defineProperty(SIMD, 'ZWYX', { get: function() { return 0x1E; } });
+Object.defineProperty(SIMD, 'ZWYY', { get: function() { return 0x5E; } });
+Object.defineProperty(SIMD, 'ZWYZ', { get: function() { return 0x9E; } });
+Object.defineProperty(SIMD, 'ZWYW', { get: function() { return 0xDE; } });
+Object.defineProperty(SIMD, 'ZWZX', { get: function() { return 0x2E; } });
+Object.defineProperty(SIMD, 'ZWZY', { get: function() { return 0x6E; } });
+Object.defineProperty(SIMD, 'ZWZZ', { get: function() { return 0xAE; } });
+Object.defineProperty(SIMD, 'ZWZW', { get: function() { return 0xEE; } });
+Object.defineProperty(SIMD, 'ZWWX', { get: function() { return 0x3E; } });
+Object.defineProperty(SIMD, 'ZWWY', { get: function() { return 0x7E; } });
+Object.defineProperty(SIMD, 'ZWWZ', { get: function() { return 0xBE; } });
+Object.defineProperty(SIMD, 'ZWWW', { get: function() { return 0xFE; } });
+Object.defineProperty(SIMD, 'WXXX', { get: function() { return 0x3; } });
+Object.defineProperty(SIMD, 'WXXY', { get: function() { return 0x43; } });
+Object.defineProperty(SIMD, 'WXXZ', { get: function() { return 0x83; } });
+Object.defineProperty(SIMD, 'WXXW', { get: function() { return 0xC3; } });
+Object.defineProperty(SIMD, 'WXYX', { get: function() { return 0x13; } });
+Object.defineProperty(SIMD, 'WXYY', { get: function() { return 0x53; } });
+Object.defineProperty(SIMD, 'WXYZ', { get: function() { return 0x93; } });
+Object.defineProperty(SIMD, 'WXYW', { get: function() { return 0xD3; } });
+Object.defineProperty(SIMD, 'WXZX', { get: function() { return 0x23; } });
+Object.defineProperty(SIMD, 'WXZY', { get: function() { return 0x63; } });
+Object.defineProperty(SIMD, 'WXZZ', { get: function() { return 0xA3; } });
+Object.defineProperty(SIMD, 'WXZW', { get: function() { return 0xE3; } });
+Object.defineProperty(SIMD, 'WXWX', { get: function() { return 0x33; } });
+Object.defineProperty(SIMD, 'WXWY', { get: function() { return 0x73; } });
+Object.defineProperty(SIMD, 'WXWZ', { get: function() { return 0xB3; } });
+Object.defineProperty(SIMD, 'WXWW', { get: function() { return 0xF3; } });
+Object.defineProperty(SIMD, 'WYXX', { get: function() { return 0x7; } });
+Object.defineProperty(SIMD, 'WYXY', { get: function() { return 0x47; } });
+Object.defineProperty(SIMD, 'WYXZ', { get: function() { return 0x87; } });
+Object.defineProperty(SIMD, 'WYXW', { get: function() { return 0xC7; } });
+Object.defineProperty(SIMD, 'WYYX', { get: function() { return 0x17; } });
+Object.defineProperty(SIMD, 'WYYY', { get: function() { return 0x57; } });
+Object.defineProperty(SIMD, 'WYYZ', { get: function() { return 0x97; } });
+Object.defineProperty(SIMD, 'WYYW', { get: function() { return 0xD7; } });
+Object.defineProperty(SIMD, 'WYZX', { get: function() { return 0x27; } });
+Object.defineProperty(SIMD, 'WYZY', { get: function() { return 0x67; } });
+Object.defineProperty(SIMD, 'WYZZ', { get: function() { return 0xA7; } });
+Object.defineProperty(SIMD, 'WYZW', { get: function() { return 0xE7; } });
+Object.defineProperty(SIMD, 'WYWX', { get: function() { return 0x37; } });
+Object.defineProperty(SIMD, 'WYWY', { get: function() { return 0x77; } });
+Object.defineProperty(SIMD, 'WYWZ', { get: function() { return 0xB7; } });
+Object.defineProperty(SIMD, 'WYWW', { get: function() { return 0xF7; } });
+Object.defineProperty(SIMD, 'WZXX', { get: function() { return 0xB; } });
+Object.defineProperty(SIMD, 'WZXY', { get: function() { return 0x4B; } });
+Object.defineProperty(SIMD, 'WZXZ', { get: function() { return 0x8B; } });
+Object.defineProperty(SIMD, 'WZXW', { get: function() { return 0xCB; } });
+Object.defineProperty(SIMD, 'WZYX', { get: function() { return 0x1B; } });
+Object.defineProperty(SIMD, 'WZYY', { get: function() { return 0x5B; } });
+Object.defineProperty(SIMD, 'WZYZ', { get: function() { return 0x9B; } });
+Object.defineProperty(SIMD, 'WZYW', { get: function() { return 0xDB; } });
+Object.defineProperty(SIMD, 'WZZX', { get: function() { return 0x2B; } });
+Object.defineProperty(SIMD, 'WZZY', { get: function() { return 0x6B; } });
+Object.defineProperty(SIMD, 'WZZZ', { get: function() { return 0xAB; } });
+Object.defineProperty(SIMD, 'WZZW', { get: function() { return 0xEB; } });
+Object.defineProperty(SIMD, 'WZWX', { get: function() { return 0x3B; } });
+Object.defineProperty(SIMD, 'WZWY', { get: function() { return 0x7B; } });
+Object.defineProperty(SIMD, 'WZWZ', { get: function() { return 0xBB; } });
+Object.defineProperty(SIMD, 'WZWW', { get: function() { return 0xFB; } });
+Object.defineProperty(SIMD, 'WWXX', { get: function() { return 0xF; } });
+Object.defineProperty(SIMD, 'WWXY', { get: function() { return 0x4F; } });
+Object.defineProperty(SIMD, 'WWXZ', { get: function() { return 0x8F; } });
+Object.defineProperty(SIMD, 'WWXW', { get: function() { return 0xCF; } });
+Object.defineProperty(SIMD, 'WWYX', { get: function() { return 0x1F; } });
+Object.defineProperty(SIMD, 'WWYY', { get: function() { return 0x5F; } });
+Object.defineProperty(SIMD, 'WWYZ', { get: function() { return 0x9F; } });
+Object.defineProperty(SIMD, 'WWYW', { get: function() { return 0xDF; } });
+Object.defineProperty(SIMD, 'WWZX', { get: function() { return 0x2F; } });
+Object.defineProperty(SIMD, 'WWZY', { get: function() { return 0x6F; } });
+Object.defineProperty(SIMD, 'WWZZ', { get: function() { return 0xAF; } });
+Object.defineProperty(SIMD, 'WWZW', { get: function() { return 0xEF; } });
+Object.defineProperty(SIMD, 'WWWX', { get: function() { return 0x3F; } });
+Object.defineProperty(SIMD, 'WWWY', { get: function() { return 0x7F; } });
+Object.defineProperty(SIMD, 'WWWZ', { get: function() { return 0xBF; } });
+Object.defineProperty(SIMD, 'WWWW', { get: function() { return 0xFF; } });
+