Add enumeration to specify if smi check needed

src/ia32/macro-assembler-ia32.cc

 // Copyright 2011 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 259 matching lines @@
 
 void MacroAssembler::CmpInstanceType(Register map, InstanceType type) {
   cmpb(FieldOperand(map, Map::kInstanceTypeOffset),
        static_cast<int8_t>(type));
 }
 
 
 void MacroAssembler::CheckMap(Register obj,
                               Handle<Map> map,
                               Label* fail,
-                              bool is_heap_object) {
-  if (!is_heap_object) {
-    test(obj, Immediate(kSmiTagMask));
-    j(zero, fail);
+                              SmiCheckType smi_check_type) {
+  if (smi_check_type == DONT_DO_SMI_CHECK) {
+    JumpIfSmi(obj, fail);
   }
   cmp(FieldOperand(obj, HeapObject::kMapOffset), Immediate(map));
   j(not_equal, fail);
 }
 
 
 Condition MacroAssembler::IsObjectStringType(Register heap_object,
                                              Register map,
                                              Register instance_type) {
   mov(map, FieldOperand(heap_object, HeapObject::kMapOffset));
@@ skipping 1441 matching lines @@
   mov(function, Operand(function, Context::SlotOffset(index)));
 }
 
 
 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
                                                   Register map) {
   // Load the initial map.  The global functions all have initial maps.
   mov(map, FieldOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
   if (emit_debug_code()) {
     Label ok, fail;
-    CheckMap(map, isolate()->factory()->meta_map(), &fail, false);
+    CheckMap(map, isolate()->factory()->meta_map(), &fail, DO_SMI_CHECK);
     jmp(&ok);
     bind(&fail);
     Abort("Global functions must have initial map");
     bind(&ok);
   }
 }
 
 
 // Store the value in register src in the safepoint register stack
 // slot for register dst.
@@ skipping 313 matching lines @@
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32