[turbofan] Various fixes to allow unboxed doubles as arguments in registers and on the stack.

src/compiler/raw-machine-assembler.cc

Index: src/compiler/raw-machine-assembler.cc
diff --git a/src/compiler/raw-machine-assembler.cc b/src/compiler/raw-machine-assembler.cc
index 86d644addcc68cd0c071bf7b678ee3f7d4e07dad..2ce9ef20ccdc3122c9319c28d58f6390fad6fa17 100644
--- a/src/compiler/raw-machine-assembler.cc
+++ b/src/compiler/raw-machine-assembler.cc
@@ -100,6 +100,22 @@ void RawMachineAssembler::Return(Node* value) {
 }
 
 
+Node* RawMachineAssembler::CallN(CallDescriptor* desc, Node* function,
+                                 Node** args) {
+  int param_count =
+      static_cast<int>(desc->GetMachineSignature()->parameter_count());
+  Node** buffer = zone()->NewArray<Node*>(param_count + 1);
+  int index = 0;
+  buffer[index++] = function;
+  for (int i = 0; i < param_count; i++) {
+    buffer[index++] = args[i];
+  }
+  Node* call = graph()->NewNode(common()->Call(desc), param_count + 1, buffer);
+  schedule()->AddNode(CurrentBlock(), call);
+  return call;
+}
+
+
 Node* RawMachineAssembler::CallFunctionStub0(Node* function, Node* receiver,
                                              Node* context, Node* frame_state,
                                              CallFunctionFlags flags) {