VectorICs: New interface descriptor for vector transitioning stores.

src/interface-descriptors.cc

Index: src/interface-descriptors.cc
diff --git a/src/interface-descriptors.cc b/src/interface-descriptors.cc
index da9eb2991fc8cd7ace2ad255d516500a7a18eb4e..780b9f6e2a42c697053c37f6c512609d1e8b0c36 100644
--- a/src/interface-descriptors.cc
+++ b/src/interface-descriptors.cc
@@ -100,6 +100,15 @@ void StoreDescriptor::InitializePlatformSpecific(
 }
 
 
+void StoreTransitionDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {ReceiverRegister(), NameRegister(), ValueRegister(),
+                          MapRegister()};
+
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
 Type::FunctionType*
 StoreTransitionDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
@@ -198,6 +207,21 @@ void LoadWithVectorDescriptor::InitializePlatformSpecific(
 
 
 Type::FunctionType*
+VectorStoreTransitionDescriptor::BuildCallInterfaceDescriptorFunctionType(
+    Isolate* isolate, int paramater_count) {
+  Type::FunctionType* function = Type::FunctionType::New(
+      AnyTagged(), Type::Undefined(), 6, isolate->interface_descriptor_zone());
+  function->InitParameter(0, AnyTagged());  // receiver
+  function->InitParameter(1, AnyTagged());  // name
+  function->InitParameter(2, AnyTagged());  // value
+  function->InitParameter(3, SmiType());    // slot
+  function->InitParameter(4, AnyTagged());  // vector
+  function->InitParameter(5, AnyTagged());  // map
+  return function;
+}
+
+
+Type::FunctionType*
 VectorStoreICDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
   Type::FunctionType* function = Type::FunctionType::New(