Revert of Remove SIMD.js from V8.

src/code-factory.cc

 // Copyright 2014 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.
 
 #include "src/code-factory.h"
 
 #include "src/bootstrapper.h"
 #include "src/ic/ic.h"
 
 namespace v8 {
@@ skipping 363 matching lines @@
   return Callable(isolate->builtins()->ForInNext(),
                   ForInNextDescriptor(isolate));
 }
 
 // static
 Callable CodeFactory::AllocateHeapNumber(Isolate* isolate) {
   AllocateHeapNumberStub stub(isolate);
   return make_callable(stub);
 }
 
+#define SIMD128_ALLOC(TYPE, Type, type, lane_count, lane_type) \
+  Callable CodeFactory::Allocate##Type(Isolate* isolate) {     \
+    Allocate##Type##Stub stub(isolate);                        \
+    return make_callable(stub);                                \
+  }
+SIMD128_TYPES(SIMD128_ALLOC)
+#undef SIMD128_ALLOC
+
 // static
 Callable CodeFactory::ArgumentAdaptor(Isolate* isolate) {
   return Callable(isolate->builtins()->ArgumentsAdaptorTrampoline(),
                   ArgumentAdaptorDescriptor(isolate));
 }
 
 // static
 Callable CodeFactory::Call(Isolate* isolate, ConvertReceiverMode mode,
                            TailCallMode tail_call_mode) {
   return Callable(isolate->builtins()->Call(mode, tail_call_mode),
@@ skipping 91 matching lines @@
 }
 
 // static
 Callable CodeFactory::FunctionPrototypeBind(Isolate* isolate) {
   return Callable(isolate->builtins()->FunctionPrototypeBind(),
                   BuiltinDescriptor(isolate));
 }
 
 }  // namespace internal
 }  // namespace v8