Reset trunk to 3.24.35.4

src/full-codegen.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 78 matching lines @@
         info_(info),
         scope_(info->scope()),
         nesting_stack_(NULL),
         loop_depth_(0),
         globals_(NULL),
         context_(NULL),
         bailout_entries_(info->HasDeoptimizationSupport()
                          ? info->function()->ast_node_count() : 0,
                          info->zone()),
         back_edges_(2, info->zone()),
+        type_feedback_cells_(info->HasDeoptimizationSupport()
+                             ? info->function()->ast_node_count() : 0,
+                             info->zone()),
         ic_total_count_(0) {
     Initialize();
   }
 
   void Initialize();
 
   static bool MakeCode(CompilationInfo* info);
 
   // Encode state and pc-offset as a BitField<type, start, size>.
   // Only use 30 bits because we encode the result as a smi.
@@ skipping 11 matching lines @@
 
   static const int kMaxBackEdgeWeight = 127;
 
   // Platform-specific code size multiplier.
 #if V8_TARGET_ARCH_IA32
   static const int kCodeSizeMultiplier = 100;
 #elif V8_TARGET_ARCH_X64
   static const int kCodeSizeMultiplier = 162;
 #elif V8_TARGET_ARCH_ARM
   static const int kCodeSizeMultiplier = 142;
-#elif V8_TARGET_ARCH_A64
-// TODO(all): Copied ARM value. Check this is sensible for A64.
-  static const int kCodeSizeMultiplier = 142;
 #elif V8_TARGET_ARCH_MIPS
   static const int kCodeSizeMultiplier = 142;
 #else
 #error Unsupported target architecture.
 #endif
 
  private:
   class Breakable;
   class Iteration;
 
@@ skipping 284 matching lines @@
 
   // Platform-specific code for equality comparison with a nil-like value.
   void EmitLiteralCompareNil(CompareOperation* expr,
                              Expression* sub_expr,
                              NilValue nil);
 
   // Bailout support.
   void PrepareForBailout(Expression* node, State state);
   void PrepareForBailoutForId(BailoutId id, State state);
 
-  // Feedback slot support. The feedback vector will be cleared during gc and
-  // collected by the type-feedback oracle.
-  Handle<FixedArray> FeedbackVector() {
-    return feedback_vector_;
-  }
-  void StoreFeedbackVectorSlot(int slot, Handle<Object> object) {
-    feedback_vector_->set(slot, *object);
-  }
-  void InitializeFeedbackVector();
+  // Cache cell support.  This associates AST ids with global property cells
+  // that will be cleared during GC and collected by the type-feedback oracle.
+  void RecordTypeFeedbackCell(TypeFeedbackId id, Handle<Cell> cell);
 
   // Record a call's return site offset, used to rebuild the frame if the
   // called function was inlined at the site.
   void RecordJSReturnSite(Call* call);
 
   // Prepare for bailout before a test (or compare) and branch.  If
   // should_normalize, then the following comparison will not handle the
   // canonical JS true value so we will insert a (dead) test against true at
   // the actual bailout target from the optimized code. If not
   // should_normalize, the true and false labels are ignored.
@@ skipping 95 matching lines @@
 
   // Assign to the given expression as if via '='. The right-hand-side value
   // is expected in the accumulator.
   void EmitAssignment(Expression* expr);
 
   // Complete a variable assignment.  The right-hand-side value is expected
   // in the accumulator.
   void EmitVariableAssignment(Variable* var,
                               Token::Value op);
 
-  // Helper functions to EmitVariableAssignment
-  void EmitStoreToStackLocalOrContextSlot(Variable* var,
-                                          MemOperand location);
-  void EmitCallStoreContextSlot(Handle<String> name, LanguageMode mode);
-
   // Complete a named property assignment.  The receiver is expected on top
   // of the stack and the right-hand-side value in the accumulator.
   void EmitNamedPropertyAssignment(Assignment* expr);
 
   // Complete a keyed property assignment.  The receiver and key are
   // expected on top of the stack and the right-hand-side value in the
   // accumulator.
   void EmitKeyedPropertyAssignment(Assignment* expr);
 
   void CallIC(Handle<Code> code,
+              ContextualMode mode = NOT_CONTEXTUAL,
               TypeFeedbackId id = TypeFeedbackId::None());
 
   void CallLoadIC(ContextualMode mode,
                   TypeFeedbackId id = TypeFeedbackId::None());
-  void CallStoreIC(TypeFeedbackId id = TypeFeedbackId::None());
+  void CallStoreIC(ContextualMode mode,
+                   TypeFeedbackId id = TypeFeedbackId::None());
 
   void SetFunctionPosition(FunctionLiteral* fun);
   void SetReturnPosition(FunctionLiteral* fun);
   void SetStatementPosition(Statement* stmt);
   void SetExpressionPosition(Expression* expr);
   void SetStatementPosition(int pos);
   void SetSourcePosition(int pos);
 
   // Non-local control flow support.
   void EnterFinallyBlock();
@@ skipping 46 matching lines @@
 
   void VisitComma(BinaryOperation* expr);
   void VisitLogicalExpression(BinaryOperation* expr);
   void VisitArithmeticExpression(BinaryOperation* expr);
 
   void VisitForTypeofValue(Expression* expr);
 
   void Generate();
   void PopulateDeoptimizationData(Handle<Code> code);
   void PopulateTypeFeedbackInfo(Handle<Code> code);
+  void PopulateTypeFeedbackCells(Handle<Code> code);
 
   Handle<FixedArray> handler_table() { return handler_table_; }
 
   struct BailoutEntry {
     BailoutId id;
     unsigned pc_and_state;
   };
 
   struct BackEdgeEntry {
     BailoutId id;
     unsigned pc;
     uint32_t loop_depth;
   };
 
+  struct TypeFeedbackCellEntry {
+    TypeFeedbackId ast_id;
+    Handle<Cell> cell;
+  };
+
+
   class ExpressionContext BASE_EMBEDDED {
    public:
     explicit ExpressionContext(FullCodeGenerator* codegen)
         : masm_(codegen->masm()), old_(codegen->context()), codegen_(codegen) {
       codegen->set_new_context(this);
     }
 
     virtual ~ExpressionContext() {
       codegen_->set_new_context(old_);
     }
@@ skipping 169 matching lines @@
   Label return_label_;
   NestedStatement* nesting_stack_;
   int loop_depth_;
   ZoneList<Handle<Object> >* globals_;
   Handle<FixedArray> modules_;
   int module_index_;
   const ExpressionContext* context_;
   ZoneList<BailoutEntry> bailout_entries_;
   GrowableBitVector prepared_bailout_ids_;
   ZoneList<BackEdgeEntry> back_edges_;
+  ZoneList<TypeFeedbackCellEntry> type_feedback_cells_;
   int ic_total_count_;
   Handle<FixedArray> handler_table_;
-  Handle<FixedArray> feedback_vector_;
   Handle<Cell> profiling_counter_;
   bool generate_debug_code_;
 
   friend class NestedStatement;
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
@@ skipping 102 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_