Introduce FLAG_vector_ics.

src/ia32/ic-ia32.cc

Index: src/ia32/ic-ia32.cc
diff --git a/src/ia32/ic-ia32.cc b/src/ia32/ic-ia32.cc
index 16b8ecfb6b22457f8d4349e66ac20bc03c058980..aa5899ce685f638e7e37fd426f819b04d60e81f4 100644
--- a/src/ia32/ic-ia32.cc
+++ b/src/ia32/ic-ia32.cc
@@ -974,6 +974,18 @@ const Register LoadIC::ReceiverRegister() { return edx; }
 const Register LoadIC::NameRegister() { return ecx; }
 
 
+const Register LoadIC::SlotRegister() {
+  ASSERT(FLAG_vector_ics);
+  return eax;
+}
+
+
+const Register LoadIC::VectorRegister() {
+  ASSERT(FLAG_vector_ics);
+  return ebx;
+}
+
+
 const Register StoreIC::ReceiverRegister() { return edx; }
 const Register StoreIC::NameRegister() { return ecx; }
 const Register StoreIC::ValueRegister() { return eax; }