Remove register counts from VirtualFrame, use register indices instead.

src/codegen-ia32.cc

 // Copyright 2006-2009 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 5145 matching lines @@
       UNREACHABLE();
   }
   Load(left);
   Load(right);
   Comparison(cc, strict, destination());
 }
 
 
 #ifdef DEBUG
 bool CodeGenerator::HasValidEntryRegisters() {
-  return (allocator()->count(eax) == frame()->register_count(eax))
-      && (allocator()->count(ebx) == frame()->register_count(ebx))
-      && (allocator()->count(ecx) == frame()->register_count(ecx))
-      && (allocator()->count(edx) == frame()->register_count(edx))
-      && (allocator()->count(edi) == frame()->register_count(edi));
+  return (allocator()->count(eax) == (frame()->is_used(eax) ? 1 : 0))
+      && (allocator()->count(ebx) == (frame()->is_used(ebx) ? 1 : 0))
+      && (allocator()->count(ecx) == (frame()->is_used(ecx) ? 1 : 0))
+      && (allocator()->count(edx) == (frame()->is_used(edx) ? 1 : 0))
+      && (allocator()->count(edi) == (frame()->is_used(edi) ? 1 : 0));
 }
 #endif
 
 
 class DeferredReferenceGetKeyedValue: public DeferredCode {
  public:
   DeferredReferenceGetKeyedValue(CodeGenerator* generator, bool is_global)
       : DeferredCode(generator), is_global_(is_global) {
     set_comment("[ DeferredReferenceGetKeyedValue");
   }
@@ skipping 1811 matching lines @@
 
   // Slow-case: Go through the JavaScript implementation.
   __ bind(&slow);
   __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal