Add signMask getter to Float32x4

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 2004 matching lines @@
                          Float32x4 upperLimit) {
     return _clamp(lowerLimit, upperLimit);
   }
   Float32x4 _clamp(Float32x4 lowerLimit,
                           Float32x4 upperLimit)
       native "Float32x4_clamp";
   double get x native "Float32x4_getX";
   double get y native "Float32x4_getY";
   double get z native "Float32x4_getZ";
   double get w native "Float32x4_getW";
+  int get signMask native "Float32x4_getSignMask";
 
   Float32x4 shuffle(int mask) native "Float32x4_shuffle";
 
   Float32x4 withZWInXY(Float32x4 other) native "Float32x4_withZWInXY";
   Float32x4 interleaveXY(Float32x4 other) native "Float32x4_interleaveXY";
   Float32x4 interleaveZW(Float32x4 other) native "Float32x4_interleaveZW";
   Float32x4 interleaveXYPairs(Float32x4 other)
       native "Float32x4_interleaveXYPairs";
   Float32x4 interleaveZWPairs(Float32x4 other)
       native "Float32x4_interleaveZWPairs";
@@ skipping 43 matching lines @@
   }
   Uint32x4 _and(Uint32x4 other) native "Uint32x4_and";
   Uint32x4 operator ^(Uint32x4 other) {
     return _xor(other);
   }
   Uint32x4 _xor(Uint32x4 other) native "Uint32x4_xor";
   int get x native "Uint32x4_getX";
   int get y native "Uint32x4_getY";
   int get z native "Uint32x4_getZ";
   int get w native "Uint32x4_getW";
+  int get signMask native "Uint32x4_getSignMask";
   Uint32x4 withX(int x) native "Uint32x4_setX";
   Uint32x4 withY(int y) native "Uint32x4_setY";
   Uint32x4 withZ(int z) native "Uint32x4_setZ";
   Uint32x4 withW(int w) native "Uint32x4_setW";
   bool get flagX native "Uint32x4_getFlagX";
   bool get flagY native "Uint32x4_getFlagY";
   bool get flagZ native "Uint32x4_getFlagZ";
   bool get flagW native "Uint32x4_getFlagW";
   Uint32x4 withFlagX(bool x) native "Uint32x4_setFlagX";
   Uint32x4 withFlagY(bool y) native "Uint32x4_setFlagY";
@@ skipping 1032 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);
 }