Move Hydrogen and Lithium to src/crankshaft/

src/ia32/lithium-gap-resolver-ia32.h

-// Copyright 2011 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_IA32_LITHIUM_GAP_RESOLVER_IA32_H_
-#define V8_IA32_LITHIUM_GAP_RESOLVER_IA32_H_
-
-#include "src/lithium.h"
-
-namespace v8 {
-namespace internal {
-
-class LCodeGen;
-class LGapResolver;
-
-class LGapResolver final BASE_EMBEDDED {
- public:
-  explicit LGapResolver(LCodeGen* owner);
-
-  // Resolve a set of parallel moves, emitting assembler instructions.
-  void Resolve(LParallelMove* parallel_move);
-
- private:
-  // Build the initial list of moves.
-  void BuildInitialMoveList(LParallelMove* parallel_move);
-
-  // Perform the move at the moves_ index in question (possibly requiring
-  // other moves to satisfy dependencies).
-  void PerformMove(int index);
-
-  // Emit any code necessary at the end of a gap move.
-  void Finish();
-
-  // Add or delete a move from the move graph without emitting any code.
-  // Used to build up the graph and remove trivial moves.
-  void AddMove(LMoveOperands move);
-  void RemoveMove(int index);
-
-  // Report the count of uses of operand as a source in a not-yet-performed
-  // move.  Used to rebuild use counts.
-  int CountSourceUses(LOperand* operand);
-
-  // Emit a move and remove it from the move graph.
-  void EmitMove(int index);
-
-  // Execute a move by emitting a swap of two operands.  The move from
-  // source to destination is removed from the move graph.
-  void EmitSwap(int index);
-
-  // Ensure that the given operand is not spilled.
-  void EnsureRestored(LOperand* operand);
-
-  // Return a register that can be used as a temp register, spilling
-  // something if necessary.
-  Register EnsureTempRegister();
-
-  // Return a known free register different from the given one (which could
-  // be no_reg---returning any free register), or no_reg if there is no such
-  // register.
-  Register GetFreeRegisterNot(Register reg);
-
-  // Verify that the state is the initial one, ready to resolve a single
-  // parallel move.
-  bool HasBeenReset();
-
-  // Verify the move list before performing moves.
-  void Verify();
-
-  LCodeGen* cgen_;
-
-  // List of moves not yet resolved.
-  ZoneList<LMoveOperands> moves_;
-
-  // Source and destination use counts for the general purpose registers.
-  int source_uses_[Register::kNumRegisters];
-  int destination_uses_[DoubleRegister::kMaxNumRegisters];
-
-  // If we had to spill on demand, the currently spilled register's
-  // allocation index.
-  int spilled_register_;
-};
-
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_IA32_LITHIUM_GAP_RESOLVER_IA32_H_