A64: Synchronize with r17635.

src/x64/lithium-codegen-x64.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 175 matching lines @@
 
   void CallRuntime(Runtime::FunctionId id,
                    int num_arguments,
                    LInstruction* instr) {
     const Runtime::Function* function = Runtime::FunctionForId(id);
     CallRuntime(function, num_arguments, instr);
   }
 
   void CallRuntimeFromDeferred(Runtime::FunctionId id,
                                int argc,
-                               LInstruction* instr);
+                               LInstruction* instr,
+                               LOperand* context);
+
+  void LoadContextFromDeferred(LOperand* context);
 
   enum RDIState {
     RDI_UNINITIALIZED,
     RDI_CONTAINS_TARGET
   };
 
   // Generate a direct call to a known function.  Expects the function
   // to be in rdi.
   void CallKnownFunction(Handle<JSFunction> function,
                          int formal_parameter_count,
                          int arity,
                          LInstruction* instr,
                          CallKind call_kind,
                          RDIState rdi_state);
 
   void RecordSafepointWithLazyDeopt(LInstruction* instr,
                                     SafepointMode safepoint_mode,
                                     int argc);
   void RegisterEnvironmentForDeoptimization(LEnvironment* environment,
                                             Safepoint::DeoptMode mode);
   void DeoptimizeIf(Condition cc,
                     LEnvironment* environment,
                     Deoptimizer::BailoutType bailout_type);
   void DeoptimizeIf(Condition cc, LEnvironment* environment);
   void ApplyCheckIf(Condition cc, LBoundsCheck* check);
 
+  bool DeoptEveryNTimes() {
+    return FLAG_deopt_every_n_times != 0 && !info()->IsStub();
+  }
+
   void AddToTranslation(LEnvironment* environment,
                         Translation* translation,
                         LOperand* op,
                         bool is_tagged,
                         bool is_uint32,
                         int* object_index_pointer,
                         int* dematerialized_index_pointer);
   void RegisterDependentCodeForEmbeddedMaps(Handle<Code> code);
   void PopulateDeoptimizationData(Handle<Code> code);
   int DefineDeoptimizationLiteral(Handle<Object> literal);
@@ skipping 170 matching lines @@
   Label entry_;
   Label exit_;
   Label done_;
   Label* external_exit_;
   int instruction_index_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_LITHIUM_CODEGEN_X64_H_