Add fast case stub for BIT_NOT.

bleeding_edge/src/codegen.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 430 matching lines @@
     masm()->RecordPosition(pos);
   }
 }
 
 
 const char* RuntimeStub::GetName() {
   return Runtime::FunctionForId(id_)->stub_name;
 }
 
 
+const char* GenericUnaryOpStub::GetName() {
+  switch (op_) {
+    case Token::SUB:
+      return overwrite_
+          ? "GenericUnaryOpStub_SUB_Overwrite"
+          : "GenericUnaryOpStub_SUB_Alloc";
+    case Token::BIT_NOT:
+      return overwrite_
+          ? "GenericUnaryOpStub_BIT_NOT_Overwrite"
+          : "GenericUnaryOpStub_BIT_NOT_Alloc";
+    default:
+      UNREACHABLE();
+      return "<unknown>";
+  }
+}
+
+
 void RuntimeStub::Generate(MacroAssembler* masm) {
   Runtime::Function* f = Runtime::FunctionForId(id_);
   masm->TailCallRuntime(ExternalReference(f),
                         num_arguments_,
                         f->result_size);
 }
 
 
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
@@ skipping 14 matching lines @@
   }
 }
 
 
 void ApiGetterEntryStub::SetCustomCache(Code* value) {
   info()->set_load_stub_cache(value);
 }
 
 
 } }  // namespace v8::internal