Add SIMD.Float32x4 functions.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index b06b9e0e1a722de4e2dfd36e7b22c845d2163c65..dc0f977d24bde0ee49a14694b78ec18b434afdf2 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -3829,6 +3829,23 @@ class V8_EXPORT SharedArrayBuffer : public Object {
 
 
 /**
+ * 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 {
@@ -6944,7 +6961,7 @@ class Internals {
   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;