Refactor the fast-case code for loading local/global variables and...

src/ia32/codegen-ia32.h

 // 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 447 matching lines @@
   void LoadInSafeInt32Mode(Expression* expr, BreakTarget* unsafe_bailout);
   void LoadWithSafeInt32ModeDisabled(Expression* expr);
 
   // Read a value from a slot and leave it on top of the expression stack.
   Result LoadFromSlot(Slot* slot, TypeofState typeof_state);
   Result LoadFromSlotCheckForArguments(Slot* slot, TypeofState typeof_state);
   Result LoadFromGlobalSlotCheckExtensions(Slot* slot,
                                            TypeofState typeof_state,
                                            JumpTarget* slow);
 
+  // Support for loading from local/global variables and arguments
+  // whose location is known unless they are shadowed by
+  // eval-introduced bindings. Generates no code for unsupported slot
+  // types and therefore expects to fall through to the slow jump target.
+  void EmitDynamicLoadFromSlotFastCase(Slot* slot,
+                                       TypeofState typeof_state,
+                                       Result* result,
+                                       JumpTarget* slow,
+                                       JumpTarget* done);
+
   // Store the value on top of the expression stack into a slot, leaving the
   // value in place.
   void StoreToSlot(Slot* slot, InitState init_state);
 
   // Support for compiling assignment expressions.
   void EmitSlotAssignment(Assignment* node);
   void EmitNamedPropertyAssignment(Assignment* node);
   void EmitKeyedPropertyAssignment(Assignment* node);
 
   // Receiver is passed on the frame and consumed.
@@ skipping 627 matching lines @@
     return ObjectBits::encode(object_.code()) |
            AddressBits::encode(addr_.code()) |
            ScratchBits::encode(scratch_.code());
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODEGEN_IA32_H_