Convert KeyedLoad indexed interceptor case to a Handler.

src/arm64/code-stubs-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/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 1943 matching lines @@
 
   __ Ret();
 
   // Do the runtime call to allocate the arguments object.
   __ Bind(&runtime);
   __ Push(function, recv_arg, arg_count_smi);
   __ TailCallRuntime(Runtime::kNewSloppyArguments, 3, 1);
 }
 
 
+void LoadIndexedInterceptorStub::Generate(MacroAssembler* masm) {
+  // Return address is in lr.
+  Label slow;
+
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
+
+  // Check that the key is an array index, that is Uint32.
+  __ TestAndBranchIfAnySet(key, kSmiTagMask | kSmiSignMask, &slow);
+
+  // Everything is fine, call runtime.
+  __ Push(receiver, key);
+  __ TailCallExternalReference(
+      ExternalReference(IC_Utility(IC::kLoadElementWithInterceptor),
+                        masm->isolate()),
+      2, 1);
+
+  __ Bind(&slow);
+  PropertyAccessCompiler::TailCallBuiltin(
+      masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC));
+}
+
+
 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) {
   // Stack layout on entry.
   //  jssp[0]:  number of parameters (tagged)
   //  jssp[8]:  address of receiver argument
   //  jssp[16]: function
   //
   // Returns pointer to result object in x0.
 
   // Get the stub arguments from the frame, and make an untagged copy of the
   // parameter count.
@@ skipping 3075 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64