Implementing inline caches for binary operations (ia32)....

src/code-stubs.h

 // Copyright 2006-2008 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 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
+#include "globals.h"
+
 namespace v8 {
 namespace internal {
 
 // List of code stubs used on all platforms. The order in this list is important
 // as only the stubs up to and including RecordWrite allows nested stub calls.
 #define CODE_STUB_LIST_ALL_PLATFORMS(V)  \
   V(CallFunction)                        \
   V(GenericBinaryOp)                     \
   V(StringAdd)                           \
   V(SubString)                           \
@@ skipping 91 matching lines @@
   void RecordCodeGeneration(Code* code, MacroAssembler* masm);
 
   // Returns information for computing the number key.
   virtual Major MajorKey() = 0;
   virtual int MinorKey() = 0;
 
   // The CallFunctionStub needs to override this so it can encode whether a
   // lazily generated function should be fully optimized or not.
   virtual InLoopFlag InLoop() { return NOT_IN_LOOP; }
 
+  // GenericBinaryOpStub needs to override this.
+  virtual int GetCodeKind();
+
+  // GenericBinaryOpStub needs to override this.
+  virtual InlineCacheState GetICState() {
+    return UNINITIALIZED;
+  }
+
   // Returns a name for logging/debugging purposes.
   virtual const char* GetName() { return MajorName(MajorKey(), false); }
 
 #ifdef DEBUG
   virtual void Print() { PrintF("%s\n", GetName()); }
 #endif
 
   // Computes the key based on major and minor.
   uint32_t GetKey() {
     ASSERT(static_cast<int>(MajorKey()) < NUMBER_OF_IDS);
     return MinorKeyBits::encode(MinorKey()) |
            MajorKeyBits::encode(MajorKey());
   }
 
   bool AllowsStubCalls() { return MajorKey() <= RecordWrite; }
 
   class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {};
   class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {};
 
   friend class BreakPointIterator;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_