Vector ICs: Get rid of stack arguments on ia32 transitioning stores.

src/ia32/interface-descriptors-ia32.cc

Index: src/ia32/interface-descriptors-ia32.cc
diff --git a/src/ia32/interface-descriptors-ia32.cc b/src/ia32/interface-descriptors-ia32.cc
index 50c6a13200cc1dbcf8945ae4a64fbc7c03926ae2..8208262cad28c29f900c0d0f16f544cf3e23c111 100644
--- a/src/ia32/interface-descriptors-ia32.cc
+++ b/src/ia32/interface-descriptors-ia32.cc
@@ -35,12 +35,10 @@ const Register VectorStoreTransitionDescriptor::SlotRegister() {
 }
 
 
-const Register VectorStoreTransitionDescriptor::VectorRegister() {
-  return no_reg;
-}
+const Register VectorStoreTransitionDescriptor::VectorRegister() { return ebx; }
 
 
-const Register VectorStoreTransitionDescriptor::MapRegister() { return no_reg; }
+const Register VectorStoreTransitionDescriptor::MapRegister() { return edi; }
 
 
 const Register StoreTransitionDescriptor::MapRegister() { return ebx; }
@@ -85,14 +83,6 @@ const Register GrowArrayElementsDescriptor::ObjectRegister() { return eax; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return ebx; }
 
 
-void VectorStoreTransitionDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {ReceiverRegister(), NameRegister(), ValueRegister()};
-  // The other three parameters are on the stack in ia32.
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {ebx};