MIPS: Convert KeyedLoad indexed interceptor case to a Handler.

src/mips64/code-stubs-mips64.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_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 1876 matching lines @@
   __ DropAndRet(3);
 
   // Do the runtime call to allocate the arguments object.
   // a2 = argument count (tagged)
   __ bind(&runtime);
   __ sd(a2, MemOperand(sp, 0 * kPointerSize));  // Patch argument count.
   __ TailCallRuntime(Runtime::kNewSloppyArguments, 3, 1);
 }
 
 
+void LoadIndexedInterceptorStub::Generate(MacroAssembler* masm) {
+  // Return address is in ra.
+  Label slow;
+
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register key = LoadDescriptor::NameRegister();
+
+  // Check that the key is an array index, that is Uint32.
+  __ And(t0, key, Operand(kSmiTagMask | kSmiSignMask));
+  __ Branch(&slow, ne, t0, Operand(zero_reg));
+
+  // Everything is fine, call runtime.
+  __ Push(receiver, key);  // Receiver, key.
+
+  // Perform tail call to the entry.
+  __ 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) {
   // sp[0] : number of parameters
   // sp[4] : receiver displacement
   // sp[8] : function
   // Check if the calling frame is an arguments adaptor frame.
   Label adaptor_frame, try_allocate, runtime;
   __ ld(a2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
   __ ld(a3, MemOperand(a2, StandardFrameConstants::kContextOffset));
   __ Branch(&adaptor_frame,
             eq,
@@ skipping 2990 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64