Add infrastructure to automatucally generate IC miss stubs

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index 3958cf0324422dc60090ad818c5e44a94f225fbe..2fecc1e44c9180b88bb4039b3c5b5196123878af 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -136,6 +136,31 @@ void ArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
 
 #define __ ACCESS_MASM(masm)
 
+
+void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
+  // Update the static counter each time a new code stub is generated.
+  Isolate* isolate = masm->isolate();
+  isolate->counters()->code_stubs()->Increment();
+
+  CodeStubInterfaceDescriptor* descriptor = GetInterfaceDescriptor(isolate);
+  int param_count = descriptor->register_param_count_;
+  {
+    // Call the runtime system in a fresh internal frame.
+    FrameScope scope(masm, StackFrame::INTERNAL);
+    ASSERT(descriptor->register_param_count_ == 0 ||
+           rax.is(descriptor->register_params_[param_count - 1]));
+    // Push arguments
+    for (int i = 0; i < param_count; ++i) {
+      __ push(descriptor->register_params_[i]);
+    }
+    ExternalReference miss = descriptor->miss_handler_;
+    __ CallExternalReference(miss, descriptor->register_param_count_);
+  }
+
+  __ Ret();
+}
+
+
 void ToNumberStub::Generate(MacroAssembler* masm) {
   // The ToNumber stub takes one argument in eax.
   Label check_heap_number, call_builtin;