Generate the TransitionElementsStub using Crankshaft

src/ia32/lithium-ia32.h

 // Copyright 2012 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 25 matching lines @@
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class LCodeGen;
 
 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V)    \
   V(AccessArgumentsAt)                          \
   V(AddI)                                       \
+  V(Allocate)                                   \
   V(AllocateObject)                             \
   V(ApplyArguments)                             \
   V(ArgumentsElements)                          \
   V(ArgumentsLength)                            \
   V(ArithmeticD)                                \
   V(ArithmeticT)                                \
   V(ArrayLiteral)                               \
   V(BitI)                                       \
   V(BitNotI)                                    \
   V(BoundsCheck)                                \
@@ skipping 105 matching lines @@
   V(StringCharCodeAt)                           \
   V(StringCharFromCode)                         \
   V(StringCompareAndBranch)                     \
   V(StringLength)                               \
   V(SubI)                                       \
   V(TaggedToI)                                  \
   V(ThisFunction)                               \
   V(Throw)                                      \
   V(ToFastProperties)                           \
   V(TransitionElementsKind)                     \
+  V(TrapAllocationMemento)                      \
   V(Typeof)                                     \
   V(TypeofIsAndBranch)                          \
   V(UnaryMathOperation)                         \
   V(UnknownOSRValue)                            \
   V(ValueOf)                                    \
   V(ForInPrepareMap)                            \
   V(ForInCacheArray)                            \
   V(CheckMapValue)                              \
   V(LoadFieldByIndex)                           \
   V(DateField)                                  \
@@ skipping 1278 matching lines @@
   LOperand* elements() { return inputs_[0]; }
   LOperand* key() { return inputs_[1]; }
   ElementsKind elements_kind() const {
     return hydrogen()->elements_kind();
   }
   bool is_external() const {
     return hydrogen()->is_external();
   }
 
   virtual bool ClobbersDoubleRegisters() const {
-    return !IsDoubleOrFloatElementsKind(hydrogen()->elements_kind());
+    return !CpuFeatures::IsSupported(SSE2) &&
+        !IsDoubleOrFloatElementsKind(hydrogen()->elements_kind());
   }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed")
   DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
 
   virtual void PrintDataTo(StringStream* stream);
   uint32_t additional_index() const { return hydrogen()->index_offset(); }
   bool key_is_smi() {
     return hydrogen()->key()->representation().IsTagged();
   }
@@ skipping 155 matching lines @@
 class LThisFunction: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
   DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
 };
 
 
 class LContext: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(Context, "context")
+  DECLARE_HYDROGEN_ACCESSOR(Context)
 };
 
 
 class LOuterContext: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LOuterContext(LOperand* context) {
     inputs_[0] = context;
   }
 
   LOperand* context() { return inputs_[0]; }
@@ skipping 244 matching lines @@
  public:
   LNumberTagD(LOperand* value, LOperand* temp) {
     inputs_[0] = value;
     temps_[0] = temp;
   }
 
   LOperand* value() { return inputs_[0]; }
   LOperand* temp() { return temps_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
+  DECLARE_HYDROGEN_ACCESSOR(Change)
 };
 
 
 // Sometimes truncating conversion from a tagged value to an int32.
 class LDoubleToI: public LTemplateInstruction<1, 1, 1> {
  public:
   LDoubleToI(LOperand* value, LOperand* temp) {
     inputs_[0] = value;
     temps_[0] = temp;
   }
@@ skipping 165 matching lines @@
 
   DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
   DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
 
   virtual void PrintDataTo(StringStream* stream);
 
   StrictModeFlag strict_mode_flag() { return hydrogen()->strict_mode_flag(); }
 };
 
 
-class LTransitionElementsKind: public LTemplateInstruction<1, 1, 2> {
+class LTransitionElementsKind: public LTemplateInstruction<0, 2, 2> {
  public:
   LTransitionElementsKind(LOperand* object,
+                          LOperand* context,
                           LOperand* new_map_temp,
                           LOperand* temp) {
     inputs_[0] = object;
+    inputs_[1] = context;
     temps_[0] = new_map_temp;
     temps_[1] = temp;
   }
 
+  LOperand* context() { return inputs_[1]; }
   LOperand* object() { return inputs_[0]; }
   LOperand* new_map_temp() { return temps_[0]; }
   LOperand* temp() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
                                "transition-elements-kind")
   DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)
 
   virtual void PrintDataTo(StringStream* stream);
 
   Handle<Map> original_map() { return hydrogen()->original_map(); }
   Handle<Map> transitioned_map() { return hydrogen()->transitioned_map(); }
   ElementsKind from_kind() { return hydrogen()->from_kind(); }
   ElementsKind to_kind() { return hydrogen()->to_kind(); }
 };
 
 
+class LTrapAllocationMemento : public LTemplateInstruction<0, 1, 1> {
+ public:
+  LTrapAllocationMemento(LOperand* object,
+                         LOperand* temp) {
+    inputs_[0] = object;
+    temps_[0] = temp;
+  }
+
+  LOperand* object() { return inputs_[0]; }
+  LOperand* temp() { return temps_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento,
+                               "trap-allocation-memento")
+};
+
+
 class LStringAdd: public LTemplateInstruction<1, 3, 0> {
  public:
   LStringAdd(LOperand* context, LOperand* left, LOperand* right) {
     inputs_[0] = context;
     inputs_[1] = left;
     inputs_[2] = right;
   }
 
   LOperand* context() { return inputs_[0]; }
   LOperand* left() { return inputs_[1]; }
@@ skipping 177 matching lines @@
   }
 
   LOperand* context() { return inputs_[0]; }
   LOperand* temp() { return temps_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(AllocateObject, "allocate-object")
   DECLARE_HYDROGEN_ACCESSOR(AllocateObject)
 };
 
 
+class LAllocate: public LTemplateInstruction<1, 2, 1> {
+ public:
+  LAllocate(LOperand* context, LOperand* size, LOperand* temp) {
+    inputs_[0] = context;
+    inputs_[1] = size;
+    temps_[0] = temp;
+  }
+
+  LOperand* context() { return inputs_[0]; }
+  LOperand* size() { return inputs_[1]; }
+  LOperand* temp() { return temps_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
+  DECLARE_HYDROGEN_ACCESSOR(Allocate)
+};
+
+
 class LFastLiteral: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LFastLiteral(LOperand* context) {
     inputs_[0] = context;
   }
 
   LOperand* context() { return inputs_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(FastLiteral, "fast-literal")
   DECLARE_HYDROGEN_ACCESSOR(FastLiteral)
@@ skipping 406 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_IA32_H_