Implement target cache for constructor calls.

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3182 matching lines @@
   __ LoadHeapObject(edi, instr->target());
   CallKnownFunction(instr->target(), instr->arity(), instr, CALL_AS_FUNCTION);
 }
 
 
 void LCodeGen::DoCallNew(LCallNew* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   ASSERT(ToRegister(instr->constructor()).is(edi));
   ASSERT(ToRegister(instr->result()).is(eax));
 
-  Handle<Code> builtin = isolate()->builtins()->JSConstructCall();
+  CallConstructStub stub(NO_CALL_FUNCTION_FLAGS);
   __ Set(eax, Immediate(instr->arity()));
-  CallCode(builtin, RelocInfo::CONSTRUCT_CALL, instr);
+  CallCode(stub.GetCode(), RelocInfo::CONSTRUCT_CALL, instr);
 }
 
 
 void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
   CallRuntime(instr->function(), instr->arity(), instr);
 }
 
 
 void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   Register object = ToRegister(instr->object());
@@ skipping 1446 matching lines @@
       this, pointers, Safepoint::kLazyDeopt);
   __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32