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diff --git a/js/src/jit/mips-shared/MoveEmitter-mips-shared.h b/js/src/jit/mips-shared/MoveEmitter-mips-shared.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_mips_shared_MoveEmitter_mips_shared_h
+#define jit_mips_shared_MoveEmitter_mips_shared_h
+
+#include "jit/MacroAssembler.h"
+#include "jit/MoveResolver.h"
+
+namespace js {
+namespace jit {
+
+class MoveEmitterMIPSShared
+{
+ protected:
+ uint32_t inCycle_;
+ MacroAssembler& masm;
+
+ // Original stack push value.
+ uint32_t pushedAtStart_;
+
+ // These store stack offsets to spill locations, snapshotting
+ // codegen->framePushed_ at the time they were allocated. They are -1 if no
+ // stack space has been allocated for that particular spill.
+ int32_t pushedAtCycle_;
+ int32_t pushedAtSpill_;
+
+ // These are registers that are available for temporary use. They may be
+ // assigned InvalidReg. If no corresponding spill space has been assigned,
+ // then these registers do not need to be spilled.
+ Register spilledReg_;
+ FloatRegister spilledFloatReg_;
+
+ void assertDone();
+ Register tempReg();
+ FloatRegister tempFloatReg();
+ Address cycleSlot(uint32_t slot, uint32_t subslot = 0) const;
+ int32_t getAdjustedOffset(const MoveOperand& operand);
+ Address getAdjustedAddress(const MoveOperand& operand);
+
+ void emitMove(const MoveOperand& from, const MoveOperand& to);
+ void emitInt32Move(const MoveOperand& from, const MoveOperand& to);
+ void emitFloat32Move(const MoveOperand& from, const MoveOperand& to);
+ virtual void emitDoubleMove(const MoveOperand& from, const MoveOperand& to) = 0;
+ virtual void breakCycle(const MoveOperand& from, const MoveOperand& to,
+ MoveOp::Type type, uint32_t slot) = 0;
+ virtual void completeCycle(const MoveOperand& from, const MoveOperand& to,
+ MoveOp::Type type, uint32_t slot) = 0;
+ void emit(const MoveOp& move);
+
+ public:
+ MoveEmitterMIPSShared(MacroAssembler& masm)
+ : inCycle_(0),
+ masm(masm),
+ pushedAtStart_(masm.framePushed()),
+ pushedAtCycle_(-1),
+ pushedAtSpill_(-1),
+ spilledReg_(InvalidReg),
+ spilledFloatReg_(InvalidFloatReg)
+ { }
+ ~MoveEmitterMIPSShared() {
+ assertDone();
+ }
+ void emit(const MoveResolver& moves);
+ void finish();
+
+ void setScratchRegister(Register reg) {}
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_mips_shared_MoveEmitter_mips_shared_h */