Move IC code into a subdir and move ic-compilation related code from stub-cache into ic-compiler

src/codegen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/compiler.h"
 #include "src/cpu-profiler.h"
 #include "src/debug.h"
 #include "src/prettyprinter.h"
 #include "src/rewriter.h"
 #include "src/runtime.h"
-#include "src/stub-cache.h"
 
 namespace v8 {
 namespace internal {
 
 
 #if defined(_WIN64)
 typedef double (*ModuloFunction)(double, double);
 static ModuloFunction modulo_function = NULL;
 // Defined in codegen-x64.cc.
 ModuloFunction CreateModuloFunction();
@@ skipping 233 matching lines @@
   DCHECK(result_size_ == 1 || result_size_ == 2);
 #ifdef _WIN64
   return result | ((result_size_ == 1) ? 0 : 2);
 #else
   return result;
 #endif
 }
 
 
 } }  // namespace v8::internal