Introduce FLAG_vector_ics.

src/arm64/ic-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/arm64/assembler-arm64.h"
 #include "src/code-stubs.h"
@@ skipping 497 matching lines @@
       ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate);
 
   __ TailCallExternalReference(ref, 2, 1);
 }
 
 
 // IC register specifications
 const Register LoadIC::ReceiverRegister() { return x1; }
 const Register LoadIC::NameRegister() { return x2; }
 
+const Register LoadIC::SlotRegister() {
+  ASSERT(FLAG_vector_ics);
+  return x0;
+}
+
+
+const Register LoadIC::VectorRegister() {
+  ASSERT(FLAG_vector_ics);
+  return x3;
+}
+
 
 const Register StoreIC::ReceiverRegister() { return x1; }
 const Register StoreIC::NameRegister() { return x2; }
 const Register StoreIC::ValueRegister() { return x0; }
 
 
 const Register KeyedStoreIC::ReceiverRegister() {
   return StoreIC::ReceiverRegister();
 }
 
@@ skipping 755 matching lines @@
     ASSERT(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64