MIPS: Convert KeyedLoad indexed interceptor case to a Handler.

src/mips64/code-stubs-mips64.cc

Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index 9ae9102914cfa668ba70ebaddac6d221be587698..9976af16743c1c8030f7447ab6b474d32d13bd9f 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -1894,6 +1894,32 @@ void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) {
 }
 
 
+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