Add optimized compiler support for generic global loads....

src/ia32/lithium-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 70 matching lines @@
 //     LConstantD
 //     LConstantI
 //     LConstantT
 //   LDeoptimize
 //   LFunctionLiteral
 //   LGlobalObject
 //   LGlobalReceiver
 //   LLabel
 //   LLayzBailout
 //   LLoadGlobal
+//   LLoadGlobalGeneric
 //   LMaterializedLiteral
 //     LArrayLiteral
 //     LObjectLiteral
 //     LRegExpLiteral
 //   LOsrEntry
 //   LParameter
 //   LRegExpConstructResult
 //   LStackCheck
 //   LStoreKeyed
 //     LStoreKeyedFastElement
@@ skipping 109 matching lines @@
   V(HasInstanceType)                            \
   V(HasInstanceTypeAndBranch)                   \
   V(HasCachedArrayIndex)                        \
   V(HasCachedArrayIndexAndBranch)               \
   V(ClassOfTest)                                \
   V(ClassOfTestAndBranch)                       \
   V(Label)                                      \
   V(LazyBailout)                                \
   V(LoadElements)                               \
   V(LoadGlobal)                                 \
+  V(LoadGlobalGeneric)                          \
   V(LoadKeyedFastElement)                       \
   V(LoadKeyedGeneric)                           \
   V(LoadNamedField)                             \
   V(LoadNamedGeneric)                           \
   V(ModI)                                       \
   V(MulI)                                       \
   V(NumberTagD)                                 \
   V(NumberTagI)                                 \
   V(NumberUntagD)                               \
   V(ObjectLiteral)                              \
@@ skipping 1023 matching lines @@
 };
 
 
 class LLoadGlobal: public LInstruction {
  public:
   DECLARE_CONCRETE_INSTRUCTION(LoadGlobal, "load-global")
   DECLARE_HYDROGEN_ACCESSOR(LoadGlobal)
 };
 
 
+class LLoadGlobalGeneric: public LInstruction {
+ public:
+  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
+  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
+};
+
+
 class LStoreGlobal: public LUnaryOperation {
  public:
   explicit LStoreGlobal(LOperand* value) : LUnaryOperation(value) {}
 
   DECLARE_CONCRETE_INSTRUCTION(StoreGlobal, "store-global")
   DECLARE_HYDROGEN_ACCESSOR(StoreGlobal)
 };
 
 
 class LPushArgument: public LUnaryOperation {
@@ skipping 789 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_IA32_H_