Add Simd128Value code stubs.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 039b2e28f0cfd7b5901b4f5fe48da655de76bcb7..7d30858301ceee341bcea69869c16864402304ae 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -61,6 +61,16 @@ namespace internal {
   /* HydrogenCodeStubs */                   \
   V(AllocateHeapNumber)                     \
   V(AllocateMutableHeapNumber)              \
+  V(AllocateFloat32x4)                      \
+  V(AllocateInt32x4)                        \
+  V(AllocateUint32x4)                       \
+  V(AllocateBool32x4)                       \
+  V(AllocateInt16x8)                        \
+  V(AllocateUint16x8)                       \
+  V(AllocateBool16x8)                       \
+  V(AllocateInt8x16)                        \
+  V(AllocateUint8x16)                       \
+  V(AllocateBool8x16)                       \
   V(AllocateInNewSpace)                     \
   V(ArrayNArgumentsConstructor)             \
   V(ArrayNoArgumentConstructor)             \
@@ -2511,6 +2521,18 @@ class AllocateMutableHeapNumberStub final : public HydrogenCodeStub {
   DEFINE_HYDROGEN_CODE_STUB(AllocateMutableHeapNumber, HydrogenCodeStub);
 };
 
+#define SIMD128_VALUE_STUB(TYPE, Type, type, lane_count, lane_type) \
+  class Allocate##Type##Stub final : public HydrogenCodeStub {      \
+   public:                                                          \
+    explicit Allocate##Type##Stub(Isolate* isolate)                 \
+        : HydrogenCodeStub(isolate) {}                              \
+                                                                    \
+   private:                                                         \
+    DEFINE_CALL_INTERFACE_DESCRIPTOR(Allocate##Type);               \
+    DEFINE_HYDROGEN_CODE_STUB(Allocate##Type, HydrogenCodeStub);    \
+  };
+SIMD128_TYPES(SIMD128_VALUE_STUB)
+#undef SIMD128_VALUE_STUB
 
 class AllocateInNewSpaceStub final : public HydrogenCodeStub {
  public: