Add SIMD.Float32x4 functions.

src/api.h

Index: src/api.h
diff --git a/src/api.h b/src/api.h
index b20ef5cf66f3cb401875ea40c1a3fca8b3e8045e..f1c01b5eb28f1088bbad08bd75d21f517dd05255 100644
--- a/src/api.h
+++ b/src/api.h
@@ -167,6 +167,7 @@ class RegisteredExtension {
   V(Name, Name)                              \
   V(String, String)                          \
   V(Symbol, Symbol)                          \
+  V(Float32x4, Float32x4)                    \
   V(Script, JSFunction)                      \
   V(UnboundScript, SharedFunctionInfo)       \
   V(Function, JSFunction)                    \
@@ -201,6 +202,8 @@ class Utils {
       v8::internal::Handle<v8::internal::String> obj);
   static inline Local<Symbol> ToLocal(
       v8::internal::Handle<v8::internal::Symbol> obj);
+  static inline Local<Float32x4> ToLocal(
+      v8::internal::Handle<v8::internal::Float32x4> obj);
   static inline Local<RegExp> ToLocal(
       v8::internal::Handle<v8::internal::JSRegExp> obj);
   static inline Local<Object> ToLocal(
@@ -365,6 +368,7 @@ MAKE_TO_LOCAL(ToLocal, JSFunction, Function)
 MAKE_TO_LOCAL(ToLocal, Name, Name)
 MAKE_TO_LOCAL(ToLocal, String, String)
 MAKE_TO_LOCAL(ToLocal, Symbol, Symbol)
+MAKE_TO_LOCAL(ToLocal, Float32x4, Float32x4)
 MAKE_TO_LOCAL(ToLocal, JSRegExp, RegExp)
 MAKE_TO_LOCAL(ToLocal, JSObject, Object)
 MAKE_TO_LOCAL(ToLocal, JSArray, Array)