Introduce FLAG_vector_ics.

src/x64/ic-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/codegen.h"
 #include "src/ic-inl.h"
@@ skipping 982 matching lines @@
       ExternalReference(IC_Utility(kKeyedLoadIC_Miss), masm->isolate());
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 
 // IC register specifications
 const Register LoadIC::ReceiverRegister() { return rdx; }
 const Register LoadIC::NameRegister() { return rcx; }
 
 
+const Register LoadIC::SlotRegister() {
+  ASSERT(FLAG_vector_ics);
+  return rax;
+}
+
+
+const Register LoadIC::VectorRegister() {
+  ASSERT(FLAG_vector_ics);
+  return rbx;
+}
+
+
 const Register StoreIC::ReceiverRegister() { return rdx; }
 const Register StoreIC::NameRegister() { return rcx; }
 const Register StoreIC::ValueRegister() { return rax; }
 
 
 const Register KeyedStoreIC::ReceiverRegister() {
   return StoreIC::ReceiverRegister();
 }
 
 
@@ skipping 219 matching lines @@
   Condition cc = (check == ENABLE_INLINED_SMI_CHECK)
       ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero)
       : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry);
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64