Add SIMD.Float32x4 functions.

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 3811 matching lines @@
 
   static const int kInternalFieldCount = V8_ARRAY_BUFFER_INTERNAL_FIELD_COUNT;
 
  private:
   SharedArrayBuffer();
   static void CheckCast(Value* obj);
 };
 
 
 /**
+ * An instance of Float32x4 constructor.
+ * (ES7 draft http://littledan.github.io/simd.html).
+ * This API is experimental and may change significantly.
+ */
+class V8_EXPORT Float32x4 : public Object {

[rossberg, 2015/06/12 11:48:03]

SIMDs aren't objects, so this needs to derive from Value.

+ public:
+  static Local<Float32x4> New(Isolate* isolate, float w, float x, float y,
+                              float z);
+  V8_INLINE static Float32x4* Cast(Value* obj);
+
+ private:
+  Float32x4();
+  static void CheckCast(Value* obj);
+};
+
+
+/**
  * An instance of the built-in Date constructor (ECMA-262, 15.9).
  */
 class V8_EXPORT Date : public Object {
  public:
   static V8_DEPRECATE_SOON("Use maybe version.",
                            Local<Value> New(Isolate* isolate, double time));
   static V8_WARN_UNUSED_RESULT MaybeLocal<Value> New(Local<Context> context,
                                                      double time);
 
   /**
@@ skipping 3095 matching lines @@
   static const int kHeapObjectMapOffset = 0;
   static const int kMapInstanceTypeAndBitFieldOffset =
       1 * kApiPointerSize + kApiIntSize;
   static const int kStringResourceOffset = 3 * kApiPointerSize;
 
   static const int kOddballKindOffset = 3 * kApiPointerSize;
   static const int kForeignAddressOffset = kApiPointerSize;
   static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
   static const int kFixedArrayHeaderSize = 2 * kApiPointerSize;
   static const int kContextHeaderSize = 2 * kApiPointerSize;
-  static const int kContextEmbedderDataIndex = 80;
+  static const int kContextEmbedderDataIndex = 81;
   static const int kFullStringRepresentationMask = 0x07;
   static const int kStringEncodingMask = 0x4;
   static const int kExternalTwoByteRepresentationTag = 0x02;
   static const int kExternalOneByteRepresentationTag = 0x06;
 
   static const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize;
   static const int kAmountOfExternalAllocatedMemoryOffset =
       4 * kApiPointerSize;
   static const int kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset =
       kAmountOfExternalAllocatedMemoryOffset + kApiInt64Size;
@@ skipping 1389 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_