X87: Introduce FLAG_vector_ics.

src/x87/ic-x87.cc

Index: src/x87/ic-x87.cc
diff --git a/src/x87/ic-x87.cc b/src/x87/ic-x87.cc
index 5db259813f05855d37f1fc889c6f222558deaa71..c577efb5ded74da055c4384da480e99b6a8dce28 100644
--- a/src/x87/ic-x87.cc
+++ b/src/x87/ic-x87.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; }