Store type information with constants. ...

src/x64/virtual-frame-x64.cc

 // Copyright 2010 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 193 matching lines @@
 void VirtualFrame::EmitPush(Smi* smi_value) {
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement(NumberInfo::Smi()));
   stack_pointer_++;
   __ Push(smi_value);
 }
 
 
 void VirtualFrame::EmitPush(Handle<Object> value) {
   ASSERT(stack_pointer_ == element_count() - 1);
-  NumberInfo info = NumberInfo::Unknown();
-  if (value->IsSmi()) {
-    info = NumberInfo::Smi();
-  } else if (value->IsHeapNumber()) {
-    info = NumberInfo::HeapNumber();
-  }
+  NumberInfo info = NumberInfo::TypeFromValue(value);
   elements_.Add(FrameElement::MemoryElement(info));
   stack_pointer_++;
   __ Push(value);
 }
 
 
 void VirtualFrame::EmitPush(Heap::RootListIndex index, NumberInfo info) {
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement(info));
   stack_pointer_++;
@@ skipping 887 matching lines @@
   // Grow the expression stack by handler size less one (the return
   // address is already pushed by a call instruction).
   Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal