Cleanup bit casting methods between SIMD types

runtime/lib/typed_data.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.
 
 // patch classes for Int8List ..... Float64List and ByteData implementations.
 
 patch class Int8List {
   /* patch */ factory Int8List(int length) {
     return new _Int8Array(length);
   }
@@ skipping 236 matching lines @@
 patch class Float32x4 {
   /* patch */ factory Float32x4(double x, double y, double z, double w) {
     return new _Float32x4(x, y, z, w);
   }
   /* patch */ factory Float32x4.splat(double v) {
     return new _Float32x4.splat(v);
   }
   /* patch */ factory Float32x4.zero() {
     return new _Float32x4.zero();
   }
+  /* patch */ factory Float32x4.fromUint32x4Bits(Uint32x4 x) {
+    return new _Float32x4.fromUint32x4Bits(x);
+  }
 }
 
 
 patch class Uint32x4 {
   /* patch */ factory Uint32x4(int x, int y, int z, int w) {
     return new _Uint32x4(x, y, z, w);
   }
   /* patch */ factory Uint32x4.bool(bool x, bool y, bool z, bool w) {
     return new _Uint32x4.bool(x, y, z, w);
   }
+  /* patch */ factory Uint32x4.fromFloat32x4Bits(Float32x4 x) {
+    return new _Uint32x4.fromFloat32x4Bits(x);
+  }
 }
 
 
 patch class ByteData {
   /* patch */ factory ByteData(int length) {
     var list = new _Uint8Array(length);
     return new _ByteDataView(list.buffer, 0, length);
   }
 
   /* patch */ factory ByteData.view(ByteBuffer buffer,
@@ skipping 1663 matching lines @@
   static _ExternalFloat32x4Array _new(int length) native
       "ExternalTypedData_Float32x4Array_new";
 }
 
 
 class _Float32x4 implements Float32x4 {
   factory _Float32x4(double x, double y, double z, double w)
       native "Float32x4_fromDoubles";
   factory _Float32x4.splat(double v) native "Float32x4_splat";
   factory _Float32x4.zero() native "Float32x4_zero";
+  factory _Float32x4.fromUint32x4Bits(Uint32x4 x)
+      native "Float32x4_fromUint32x4Bits";
   Float32x4 operator +(Float32x4 other) {
     return _add(other);
   }
   Float32x4 _add(Float32x4 other) native "Float32x4_add";
   Float32x4 operator -() {
     return _negate();
   }
   Float32x4 _negate() native "Float32x4_negate";
   Float32x4 operator -(Float32x4 other) {
     return _sub(other);
@@ skipping 81 matching lines @@
   }
   Float32x4 _sqrt() native "Float32x4_sqrt";
   Float32x4 reciprocal() {
     return _reciprocal();
   }
   Float32x4 _reciprocal() native "Float32x4_reciprocal";
   Float32x4 reciprocalSqrt() {
     return _reciprocalSqrt();
   }
   Float32x4 _reciprocalSqrt() native "Float32x4_reciprocalSqrt";
-  Uint32x4 toUint32x4() {
-      return _toUint32x4();
-  }
-  Uint32x4 _toUint32x4() native "Float32x4_toUint32x4";
 }
 
 
 class _Uint32x4 implements Uint32x4 {
   factory _Uint32x4(int x, int y, int z, int w)
       native "Uint32x4_fromInts";
   factory _Uint32x4.bool(bool x, bool y, bool z, bool w)
       native "Uint32x4_fromBools";
+  factory _Uint32x4.fromFloat32x4Bits(Float32x4 x)
+      native "Uint32x4_fromFloat32x4Bits";
   Uint32x4 operator |(Uint32x4 other) {
     return _or(other);
   }
   Uint32x4 _or(Uint32x4 other) native "Uint32x4_or";
   Uint32x4 operator &(Uint32x4 other) {
     return _and(other);
   }
   Uint32x4 _and(Uint32x4 other) native "Uint32x4_and";
   Uint32x4 operator ^(Uint32x4 other) {
     return _xor(other);
@@ skipping 24 matching lines @@
   Uint32x4 withFlagY(bool y) native "Uint32x4_setFlagY";
   Uint32x4 withFlagZ(bool z) native "Uint32x4_setFlagZ";
   Uint32x4 withFlagW(bool w) native "Uint32x4_setFlagW";
   Float32x4 select(Float32x4 trueValue,
                           Float32x4 falseValue) {
     return _select(trueValue, falseValue);
   }
   Float32x4 _select(Float32x4 trueValue,
                            Float32x4 falseValue)
       native "Uint32x4_select";
-  Float32x4 toFloat32x4() {
-      return _toFloat32x4();
-  }
-  Float32x4 _toFloat32x4() native "Uint32x4_toFloat32x4";
 }
 
 class _TypedListIterator<E> implements Iterator<E> {
   final List<E> _array;
   final int _length;
   int _position;
   E _current;
 
   _TypedListIterator(List array)
       : _array = array, _length = array.length, _position = -1 {
@@ skipping 1026 matching lines @@
     return value;
   }
   return object;
 }
 
 
 void _throwRangeError(int index, int length) {
   String message = "$index must be in the range [0..$length)";
   throw new RangeError(message);
 }