Replace shuffle getters with shuffle method and masks.

runtime/lib/simd128.cc

 // 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.
 
 #include "vm/bootstrap_natives.h"
 
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/symbols.h"
@@ skipping 215 matching lines @@
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, self, arguments->NativeArgAt(0));
   double value = static_cast<double>(self.w());
   return Double::New(value);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_shuffle, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, mask, arguments->NativeArgAt(1));
   int64_t m = mask.AsInt64Value();
+  if (m < 0 || m > 255) {
+    const String& error = String::Handle(
+      String::NewFormatted("mask (%"Pd64") must be in the range [0..256)", m));
+    const Array& args = Array::Handle(Array::New(1));
+    args.SetAt(0, error);
+    Exceptions::ThrowByType(Exceptions::kRange, args);
+  }
   float data[4] = { self.x(), self.y(), self.z(), self.w() };
   float _x = data[m & 0x3];
   float _y = data[(m >> 2) & 0x3];
   float _z = data[(m >> 4) & 0x3];
   float _w = data[(m >> 6) & 0x3];
   return Float32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_withZWInXY, 2) {
@@ skipping 406 matching lines @@
 }
 
 
 DEFINE_NATIVE_ENTRY(Uint32x4_toFloat32x4, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, v, arguments->NativeArgAt(0));
   return Float32x4::New(v.value());
 }
 
 
 }  // namespace dart