forked from OSchip/llvm-project
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
//===- HexagonMCInst.h - Hexagon sub-class of MCInst ----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This class extends MCInst to allow some VLIW annotations.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H
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#define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H
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#include "llvm/MC/MCInst.h"
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namespace llvm {
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class MCInstrDesc;
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class MCOperand;
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class HexagonTargetMachine;
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class HexagonMCInst : public MCInst {
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public:
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explicit HexagonMCInst(unsigned op);
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/// 10.6 Instruction Packets
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bool isPacketBegin() const;
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/// \brief Is this marked as last in packet.
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bool isPacketEnd() const;
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void setPacketBegin(bool Y);
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/// \brief Mark this as last in packet.
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void setPacketEnd(bool Y);
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/// \brief Return the slots used.
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unsigned getUnits(HexagonTargetMachine const &TM) const;
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bool isConstExtended() const;
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/// \brief Return constant extended operand number.
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unsigned short getCExtOpNum(void) const;
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/// \brief Return whether this is a new-value consumer.
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bool isNewValue() const;
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/// \brief Return whether this is a legal new-value producer.
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bool hasNewValue() const;
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/// \brief Return the operand that consumes or produces a new value.
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MCOperand const &getNewValue() const;
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/// \brief Return number of bits in the constant extended operand.
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unsigned getBitCount(void) const;
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private:
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/// \brief Return whether this must be always extended.
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bool isExtended() const;
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/// \brief Return true if this may be extended based on the operand value.
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bool isExtendable() const;
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/// \brief Return if the operand can be constant extended.
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bool isOperandExtended(unsigned short const OperandNum) const;
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/// \brief Return the min value that a constant extendable operand can have
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/// without being extended.
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int getMinValue() const;
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/// \brief Return the max value that a constant extendable operand can have
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/// without being extended.
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int getMaxValue() const;
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bool packetBegin;
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bool packetEnd;
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MCInstrDesc const &MCID;
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};
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}
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#endif
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