Add Float64x2, Float64x2List, etc... with runtime and dart2js implementations

runtime/lib/typed_data.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 "include/dart_api.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/exceptions.h"
@@ skipping 282 matching lines @@
 TYPED_DATA_NATIVES(GetUint16, SetUint16, Smi, Value, 2, uint16_t)
 TYPED_DATA_NATIVES(GetInt32, SetInt32, Integer, AsInt64Value, 4, int32_t)
 TYPED_DATA_NATIVES(GetUint32, SetUint32, Integer, AsInt64Value, 4, uint32_t)
 TYPED_DATA_NATIVES(GetInt64, SetInt64, Integer, AsInt64Value, 8, int64_t)
 TYPED_DATA_UINT64_NATIVES(GetUint64, SetUint64, Integer)
 TYPED_DATA_NATIVES(GetFloat32, SetFloat32, Double, value, 4, float)
 TYPED_DATA_NATIVES(GetFloat64, SetFloat64, Double, value, 8, double)
 TYPED_DATA_NATIVES(
     GetFloat32x4, SetFloat32x4, Float32x4, value, 16, simd128_value_t)
 TYPED_DATA_NATIVES(GetInt32x4, SetInt32x4, Int32x4, value, 16, simd128_value_t)
+TYPED_DATA_NATIVES(
+    GetFloat64x2, SetFloat64x2, Float64x2, value, 16, simd128_value_t)
 
 
 DEFINE_NATIVE_ENTRY(ByteData_ToEndianInt16, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Smi, host_value, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, little_endian, arguments->NativeArgAt(1));
   int16_t value = host_value.Value();
   if (little_endian.value()) {
     value = Utils::HostToLittleEndian16(value);
   } else {
     value = Utils::HostToBigEndian16(value);
@@ skipping 99 matching lines @@
     value = bit_cast<double>(
         Utils::HostToLittleEndian64(bit_cast<uint64_t>(value)));
   } else {
     value = bit_cast<double>(
         Utils::HostToBigEndian64(bit_cast<uint64_t>(value)));
   }
   return Double::New(value);
 }
 
 }  // namespace dart