X64: Fixed bug de-tagging of smis in multiplication code.

src/x64/ic-x64.cc

 // Copyright 2009 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 284 matching lines @@
   __ movq(rax, Operand(rcx, rax, times_pointer_size,
                       FixedArray::kHeaderSize - kHeapObjectTag));
   __ Cmp(rax, Factory::the_hole_value());
   // In case the loaded value is the_hole we have to consult GetProperty
   // to ensure the prototype chain is searched.
   __ j(equal, &slow);
   __ IncrementCounter(&Counters::keyed_load_generic_smi, 1);
   __ ret(0);
 }
 
+
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rsp[0] : return address
   //  -- rsp[8] : name
   //  -- rsp[16] : receiver
   // -----------------------------------
 
   Generate(masm, ExternalReference(Runtime::kKeyedGetProperty));
 }
 
+
 bool KeyedLoadIC::PatchInlinedLoad(Address address, Object* map) {
   // Never patch the map in the map check, so the check always fails.
   return false;
 }
 
+
 bool KeyedStoreIC::PatchInlinedStore(Address address, Object* map) {
   // Never patch the map in the map check, so the check always fails.
   return false;
 }
 
-Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name,
-                                                   JSObject* object,
-                                                   JSObject* holder,
-                                                   AccessorInfo* callback) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name,
-                                                   JSObject* object,
-                                                   JSObject* holder,
-                                                   Object* callback) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-
-Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* object,
-                                                      JSObject* holder,
-                                                      String* name) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
-  UNIMPLEMENTED();
-  return NULL;
-}
 
 void KeyedStoreIC::Generate(MacroAssembler* masm, ExternalReference const& f) {
   // ----------- S t a t e -------------
   //  -- rax     : value
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : key
   //  -- rsp[16] : receiver
   // -----------------------------------
 
   // Move the return address below the arguments.
@@ skipping 298 matching lines @@
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal