MIPS: Generate the TransitionElementsStub using Crankshaft

src/mips/lithium-codegen-mips.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 41 matching lines @@
         current_instruction_(-1),
         instructions_(chunk->instructions()),
         deoptimizations_(4, info->zone()),
         deopt_jump_table_(4, info->zone()),
         deoptimization_literals_(8, info->zone()),
         inlined_function_count_(0),
         scope_(info->scope()),
         status_(UNUSED),
         translations_(info->zone()),
         deferred_(8, info->zone()),
+        support_aligned_spilled_doubles_(false),

[danno, 2013/02/11 15:26:41]

Do you need this boolean flag anywhere? It appears to be unused on MIPS...

[palfia, 2013/02/11 19:18:23]

Yes, indeed. It seems that this flag is also unused on ARM, should I also remove
this on ARM (maybe in another CL)?

         osr_pc_offset_(-1),
         last_lazy_deopt_pc_(0),
         frame_is_built_(false),
         safepoints_(info->zone()),
         resolver_(this),
         expected_safepoint_kind_(Safepoint::kSimple) {
     PopulateDeoptimizationLiteralsWithInlinedFunctions();
   }
 
 
@@ skipping 54 matching lines @@
                             LOperand* value,
                             IntegerSignedness signedness);
 
   void DoDeferredTaggedToI(LTaggedToI* instr);
   void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr);
   void DoDeferredStackCheck(LStackCheck* instr);
   void DoDeferredRandom(LRandom* instr);
   void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr);
   void DoDeferredStringCharFromCode(LStringCharFromCode* instr);
   void DoDeferredAllocateObject(LAllocateObject* instr);
+  void DoDeferredAllocate(LAllocate* instr);
   void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
                                        Label* map_check);
 
   void DoCheckMapCommon(Register map_reg, Handle<Map> map,
                         CompareMapMode mode, LEnvironment* env);
 
   // Parallel move support.
   void DoParallelMove(LParallelMove* move);
   void DoGap(LGap* instr);
 
@@ skipping 173 matching lines @@
   void EmitBranchF(int left_block,
                    int right_block,
                    Condition cc,
                    FPURegister src1,
                    FPURegister src2);
   void EmitCmpI(LOperand* left, LOperand* right);
   void EmitNumberUntagD(Register input,
                         DoubleRegister result,
                         bool deoptimize_on_undefined,
                         bool deoptimize_on_minus_zero,
-                        LEnvironment* env);
+                        LEnvironment* env,
+                        NumberUntagDMode mode);
 
   void DeoptIfTaggedButNotSmi(LEnvironment* environment,
                               HValue* value,
                               LOperand* operand);
 
   // Emits optimized code for typeof x == "y".  Modifies input register.
   // Returns the condition on which a final split to
   // true and false label should be made, to optimize fallthrough.
   // Returns two registers in cmp1 and cmp2 that can be used in the
   // Branch instruction after EmitTypeofIs.
@@ skipping 67 matching lines @@
   int current_instruction_;
   const ZoneList<LInstruction*>* instructions_;
   ZoneList<LEnvironment*> deoptimizations_;
   ZoneList<JumpTableEntry> deopt_jump_table_;
   ZoneList<Handle<Object> > deoptimization_literals_;
   int inlined_function_count_;
   Scope* const scope_;
   Status status_;
   TranslationBuffer translations_;
   ZoneList<LDeferredCode*> deferred_;
+  bool support_aligned_spilled_doubles_;
   int osr_pc_offset_;
   int last_lazy_deopt_pc_;
   bool frame_is_built_;
 
   // Builder that keeps track of safepoints in the code. The table
   // itself is emitted at the end of the generated code.
   SafepointTableBuilder safepoints_;
 
   // Compiler from a set of parallel moves to a sequential list of moves.
   LGapResolver resolver_;
@@ skipping 74 matching lines @@
   LCodeGen* codegen_;
   Label entry_;
   Label exit_;
   Label* external_exit_;
   int instruction_index_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_