Move Hydrogen and Lithium to src/crankshaft/

src/x64/lithium-codegen-x64.h

Index: src/x64/lithium-codegen-x64.h
diff --git a/src/x64/lithium-codegen-x64.h b/src/x64/lithium-codegen-x64.h
deleted file mode 100644
index d5ca006dac0ed5a54c7aa28bf672ef14b6688dc5..0000000000000000000000000000000000000000
--- a/src/x64/lithium-codegen-x64.h
+++ /dev/null
@@ -1,393 +0,0 @@
-// Copyright 2012 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_X64_LITHIUM_CODEGEN_X64_H_
-#define V8_X64_LITHIUM_CODEGEN_X64_H_
-
-#include "src/x64/lithium-x64.h"
-
-#include "src/base/logging.h"
-#include "src/deoptimizer.h"
-#include "src/lithium-codegen.h"
-#include "src/safepoint-table.h"
-#include "src/scopes.h"
-#include "src/utils.h"
-#include "src/x64/lithium-gap-resolver-x64.h"
-
-namespace v8 {
-namespace internal {
-
-// Forward declarations.
-class LDeferredCode;
-class SafepointGenerator;
-
-class LCodeGen: public LCodeGenBase {
- public:
-  LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info)
-      : LCodeGenBase(chunk, assembler, info),
-        deoptimizations_(4, info->zone()),
-        jump_table_(4, info->zone()),
-        inlined_function_count_(0),
-        scope_(info->scope()),
-        translations_(info->zone()),
-        deferred_(8, info->zone()),
-        osr_pc_offset_(-1),
-        frame_is_built_(false),
-        safepoints_(info->zone()),
-        resolver_(this),
-        expected_safepoint_kind_(Safepoint::kSimple) {
-    PopulateDeoptimizationLiteralsWithInlinedFunctions();
-  }
-
-  int LookupDestination(int block_id) const {
-    return chunk()->LookupDestination(block_id);
-  }
-
-  bool IsNextEmittedBlock(int block_id) const {
-    return LookupDestination(block_id) == GetNextEmittedBlock();
-  }
-
-  bool NeedsEagerFrame() const {
-    return GetStackSlotCount() > 0 ||
-        info()->is_non_deferred_calling() ||
-        !info()->IsStub() ||
-        info()->requires_frame();
-  }
-  bool NeedsDeferredFrame() const {
-    return !NeedsEagerFrame() && info()->is_deferred_calling();
-  }
-
-  // Support for converting LOperands to assembler types.
-  Register ToRegister(LOperand* op) const;
-  XMMRegister ToDoubleRegister(LOperand* op) const;
-  bool IsInteger32Constant(LConstantOperand* op) const;
-  bool IsExternalConstant(LConstantOperand* op) const;
-  bool IsDehoistedKeyConstant(LConstantOperand* op) const;
-  bool IsSmiConstant(LConstantOperand* op) const;
-  int32_t ToRepresentation(LConstantOperand* op, const Representation& r) const;
-  int32_t ToInteger32(LConstantOperand* op) const;
-  Smi* ToSmi(LConstantOperand* op) const;
-  double ToDouble(LConstantOperand* op) const;
-  ExternalReference ToExternalReference(LConstantOperand* op) const;
-  Handle<Object> ToHandle(LConstantOperand* op) const;
-  Operand ToOperand(LOperand* op) const;
-
-  // Try to generate code for the entire chunk, but it may fail if the
-  // chunk contains constructs we cannot handle. Returns true if the
-  // code generation attempt succeeded.
-  bool GenerateCode();
-
-  // Finish the code by setting stack height, safepoint, and bailout
-  // information on it.
-  void FinishCode(Handle<Code> code);
-
-  // Deferred code support.
-  void DoDeferredNumberTagD(LNumberTagD* instr);
-
-  enum IntegerSignedness { SIGNED_INT32, UNSIGNED_INT32 };
-  void DoDeferredNumberTagIU(LInstruction* instr,
-                             LOperand* value,
-                             LOperand* temp1,
-                             LOperand* temp2,
-                             IntegerSignedness signedness);
-
-  void DoDeferredTaggedToI(LTaggedToI* instr, Label* done);
-  void DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr);
-  void DoDeferredStackCheck(LStackCheck* instr);
-  void DoDeferredMaybeGrowElements(LMaybeGrowElements* instr);
-  void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr);
-  void DoDeferredStringCharFromCode(LStringCharFromCode* instr);
-  void DoDeferredAllocate(LAllocate* instr);
-  void DoDeferredInstanceMigration(LCheckMaps* instr, Register object);
-  void DoDeferredLoadMutableDouble(LLoadFieldByIndex* instr,
-                                   Register object,
-                                   Register index);
-
-// Parallel move support.
-  void DoParallelMove(LParallelMove* move);
-  void DoGap(LGap* instr);
-
-  // Emit frame translation commands for an environment.
-  void WriteTranslation(LEnvironment* environment, Translation* translation);
-
-  // Declare methods that deal with the individual node types.
-#define DECLARE_DO(type) void Do##type(L##type* node);
-  LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
-#undef DECLARE_DO
-
- private:
-  LanguageMode language_mode() const { return info()->language_mode(); }
-
-  LPlatformChunk* chunk() const { return chunk_; }
-  Scope* scope() const { return scope_; }
-  HGraph* graph() const { return chunk()->graph(); }
-
-  XMMRegister double_scratch0() const { return xmm0; }
-
-  void EmitClassOfTest(Label* if_true,
-                       Label* if_false,
-                       Handle<String> class_name,
-                       Register input,
-                       Register temporary,
-                       Register scratch);
-
-  int GetStackSlotCount() const { return chunk()->spill_slot_count(); }
-
-  void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); }
-
-
-  void SaveCallerDoubles();
-  void RestoreCallerDoubles();
-
-  // Code generation passes.  Returns true if code generation should
-  // continue.
-  void GenerateBodyInstructionPre(LInstruction* instr) override;
-  void GenerateBodyInstructionPost(LInstruction* instr) override;
-  bool GeneratePrologue();
-  bool GenerateDeferredCode();
-  bool GenerateJumpTable();
-  bool GenerateSafepointTable();
-
-  // Generates the custom OSR entrypoint and sets the osr_pc_offset.
-  void GenerateOsrPrologue();
-
-  enum SafepointMode {
-    RECORD_SIMPLE_SAFEPOINT,
-    RECORD_SAFEPOINT_WITH_REGISTERS
-  };
-
-  void CallCodeGeneric(Handle<Code> code,
-                       RelocInfo::Mode mode,
-                       LInstruction* instr,
-                       SafepointMode safepoint_mode,
-                       int argc);
-
-
-  void CallCode(Handle<Code> code,
-                RelocInfo::Mode mode,
-                LInstruction* instr);
-
-  void CallRuntime(const Runtime::Function* function,
-                   int num_arguments,
-                   LInstruction* instr,
-                   SaveFPRegsMode save_doubles = kDontSaveFPRegs);
-
-  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,
-                               LOperand* context);
-
-  void LoadContextFromDeferred(LOperand* context);
-
-  // 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);
-
-  void RecordSafepointWithLazyDeopt(LInstruction* instr,
-                                    SafepointMode safepoint_mode,
-                                    int argc);
-  void RegisterEnvironmentForDeoptimization(LEnvironment* environment,
-                                            Safepoint::DeoptMode mode);
-  void DeoptimizeIf(Condition cc, LInstruction* instr,
-                    Deoptimizer::DeoptReason deopt_reason,
-                    Deoptimizer::BailoutType bailout_type);
-  void DeoptimizeIf(Condition cc, LInstruction* instr,
-                    Deoptimizer::DeoptReason deopt_reason);
-
-  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 PopulateDeoptimizationData(Handle<Code> code);
-
-  void PopulateDeoptimizationLiteralsWithInlinedFunctions();
-
-  Register ToRegister(int index) const;
-  XMMRegister ToDoubleRegister(int index) const;
-  Operand BuildFastArrayOperand(
-      LOperand* elements_pointer,
-      LOperand* key,
-      Representation key_representation,
-      ElementsKind elements_kind,
-      uint32_t base_offset);
-
-  Operand BuildSeqStringOperand(Register string,
-                                LOperand* index,
-                                String::Encoding encoding);
-
-  void EmitIntegerMathAbs(LMathAbs* instr);
-  void EmitSmiMathAbs(LMathAbs* instr);
-
-  // Support for recording safepoint and position information.
-  void RecordSafepoint(LPointerMap* pointers,
-                       Safepoint::Kind kind,
-                       int arguments,
-                       Safepoint::DeoptMode mode);
-  void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode);
-  void RecordSafepoint(Safepoint::DeoptMode mode);
-  void RecordSafepointWithRegisters(LPointerMap* pointers,
-                                    int arguments,
-                                    Safepoint::DeoptMode mode);
-  void RecordAndWritePosition(int position) override;
-
-  static Condition TokenToCondition(Token::Value op, bool is_unsigned);
-  void EmitGoto(int block);
-
-  // EmitBranch expects to be the last instruction of a block.
-  template<class InstrType>
-  void EmitBranch(InstrType instr, Condition cc);
-  template <class InstrType>
-  void EmitTrueBranch(InstrType instr, Condition cc);
-  template <class InstrType>
-  void EmitFalseBranch(InstrType instr, Condition cc);
-  void EmitNumberUntagD(LNumberUntagD* instr, Register input,
-                        XMMRegister result, NumberUntagDMode mode);
-
-  // 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.
-  Condition EmitTypeofIs(LTypeofIsAndBranch* instr, Register input);
-
-  // Emits optimized code for %_IsString(x).  Preserves input register.
-  // Returns the condition on which a final split to
-  // true and false label should be made, to optimize fallthrough.
-  Condition EmitIsString(Register input,
-                         Register temp1,
-                         Label* is_not_string,
-                         SmiCheck check_needed);
-
-  // Emits optimized code for %_IsConstructCall().
-  // Caller should branch on equal condition.
-  void EmitIsConstructCall(Register temp);
-
-  // Emits code for pushing either a tagged constant, a (non-double)
-  // register, or a stack slot operand.
-  void EmitPushTaggedOperand(LOperand* operand);
-
-  // Emits optimized code to deep-copy the contents of statically known
-  // object graphs (e.g. object literal boilerplate).
-  void EmitDeepCopy(Handle<JSObject> object,
-                    Register result,
-                    Register source,
-                    int* offset,
-                    AllocationSiteMode mode);
-
-  void EnsureSpaceForLazyDeopt(int space_needed) override;
-  void DoLoadKeyedExternalArray(LLoadKeyed* instr);
-  void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr);
-  void DoLoadKeyedFixedArray(LLoadKeyed* instr);
-  void DoStoreKeyedExternalArray(LStoreKeyed* instr);
-  void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr);
-  void DoStoreKeyedFixedArray(LStoreKeyed* instr);
-
-  template <class T>
-  void EmitVectorLoadICRegisters(T* instr);
-  template <class T>
-  void EmitVectorStoreICRegisters(T* instr);
-
-#ifdef _MSC_VER
-  // On windows, you may not access the stack more than one page below
-  // the most recently mapped page. To make the allocated area randomly
-  // accessible, we write an arbitrary value to each page in range
-  // rsp + offset - page_size .. rsp in turn.
-  void MakeSureStackPagesMapped(int offset);
-#endif
-
-  ZoneList<LEnvironment*> deoptimizations_;
-  ZoneList<Deoptimizer::JumpTableEntry> jump_table_;
-  int inlined_function_count_;
-  Scope* const scope_;
-  TranslationBuffer translations_;
-  ZoneList<LDeferredCode*> deferred_;
-  int osr_pc_offset_;
-  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_;
-
-  Safepoint::Kind expected_safepoint_kind_;
-
-  class PushSafepointRegistersScope final BASE_EMBEDDED {
-   public:
-    explicit PushSafepointRegistersScope(LCodeGen* codegen)
-        : codegen_(codegen) {
-      DCHECK(codegen_->info()->is_calling());
-      DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple);
-      codegen_->masm_->PushSafepointRegisters();
-      codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters;
-    }
-
-    ~PushSafepointRegistersScope() {
-      DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kWithRegisters);
-      codegen_->masm_->PopSafepointRegisters();
-      codegen_->expected_safepoint_kind_ = Safepoint::kSimple;
-    }
-
-   private:
-    LCodeGen* codegen_;
-  };
-
-  friend class LDeferredCode;
-  friend class LEnvironment;
-  friend class SafepointGenerator;
-  DISALLOW_COPY_AND_ASSIGN(LCodeGen);
-};
-
-
-class LDeferredCode: public ZoneObject {
- public:
-  explicit LDeferredCode(LCodeGen* codegen)
-      : codegen_(codegen),
-        external_exit_(NULL),
-        instruction_index_(codegen->current_instruction_) {
-    codegen->AddDeferredCode(this);
-  }
-
-  virtual ~LDeferredCode() {}
-  virtual void Generate() = 0;
-  virtual LInstruction* instr() = 0;
-
-  void SetExit(Label* exit) { external_exit_ = exit; }
-  Label* entry() { return &entry_; }
-  Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; }
-  Label* done() { return codegen_->NeedsDeferredFrame() ? &done_ : exit(); }
-  int instruction_index() const { return instruction_index_; }
-
- protected:
-  LCodeGen* codegen() const { return codegen_; }
-  MacroAssembler* masm() const { return codegen_->masm(); }
-
- private:
-  LCodeGen* codegen_;
-  Label entry_;
-  Label exit_;
-  Label done_;
-  Label* external_exit_;
-  int instruction_index_;
-};
-
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_X64_LITHIUM_CODEGEN_X64_H_