Simple register allocation for ARM. Only top of expression...

src/virtual-frame-light.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 18 matching lines @@
 
 #include "codegen-inl.h"
 #include "register-allocator-inl.h"
 #include "virtual-frame-inl.h"
 
 namespace v8 {
 namespace internal {
 
 void VirtualFrame::Adjust(int count) {
   ASSERT(count >= 0);
-  ASSERT(stack_pointer_ == element_count() - 1);
-
   element_count_ += count;
-  stack_pointer_ += count;
 }
 
 
-// Make the type of the element at a given index be MEMORY.
-void VirtualFrame::SpillElementAt(int index) {
+// If there are any registers referenced only by the frame, spill one.
+Register VirtualFrame::SpillAnyRegister() {
   UNIMPLEMENTED();
+  return no_reg;
 }
 
-
 } }  // namespace v8::internal