MSP430InstrInfo.h revision cd81d94322a39503e4a3e87b6ee03d4fcb3465fb
1765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye//===-- MSP430InstrInfo.h - MSP430 Instruction Information ------*- C++ -*-===// 2765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// 3765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// The LLVM Compiler Infrastructure 4765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// 5765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// This file is distributed under the University of Illinois Open Source 6765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// License. See LICENSE.TXT for details. 7765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// 8765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye//===----------------------------------------------------------------------===// 9765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// 10765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// This file contains the MSP430 implementation of the TargetInstrInfo class. 11765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye// 12765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye//===----------------------------------------------------------------------===// 13765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 14765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye#ifndef LLVM_TARGET_MSP430INSTRINFO_H 15765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye#define LLVM_TARGET_MSP430INSTRINFO_H 16765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 17765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye#include "MSP430RegisterInfo.h" 18765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye#include "llvm/Target/TargetInstrInfo.h" 19765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 20765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye#define GET_INSTRINFO_HEADER 21765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye#include "MSP430GenInstrInfo.inc" 22765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 23765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbyenamespace llvm { 24765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 25765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbyeclass MSP430Subtarget; 26765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 27765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye/// MSP430II - This namespace holds all of the target specific flags that 28765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye/// instruction info tracks. 29765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye/// 30765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbyenamespace MSP430II { 31765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye enum { 32765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye SizeShift = 2, 33765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye SizeMask = 7 << SizeShift, 34765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 35765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye SizeUnknown = 0 << SizeShift, 36765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye SizeSpecial = 1 << SizeShift, 37765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye Size2Bytes = 2 << SizeShift, 38765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye Size4Bytes = 3 << SizeShift, 39765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye Size6Bytes = 4 << SizeShift 40765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye }; 41765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye} 42765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 43765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbyeclass MSP430InstrInfo : public MSP430GenInstrInfo { 44765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye const MSP430RegisterInfo RI; 45765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye virtual void anchor(); 46765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbyepublic: 47765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye explicit MSP430InstrInfo(MSP430Subtarget &STI); 48765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 49765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As 50765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye /// such, whenever a client has an instance of instruction info, it should 51765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye /// always be able to get register info as well (through this method). 52765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye /// 53765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye const TargetRegisterInfo &getRegisterInfo() const { return RI; } 54765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 55765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye void copyPhysReg(MachineBasicBlock &MBB, 56765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye MachineBasicBlock::iterator I, DebugLoc DL, 57765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye unsigned DestReg, unsigned SrcReg, 58765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye bool KillSrc) const override; 59765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 60765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye void storeRegToStackSlot(MachineBasicBlock &MBB, 61765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye MachineBasicBlock::iterator MI, 62765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye unsigned SrcReg, bool isKill, 63765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye int FrameIndex, 64765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye const TargetRegisterClass *RC, 65765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye const TargetRegisterInfo *TRI) const override; 66765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye void loadRegFromStackSlot(MachineBasicBlock &MBB, 67765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye MachineBasicBlock::iterator MI, 68765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye unsigned DestReg, int FrameIdx, 69765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye const TargetRegisterClass *RC, 70765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye const TargetRegisterInfo *TRI) const override; 71765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 72765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye unsigned GetInstSizeInBytes(const MachineInstr *MI) const; 73765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye 74765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye // Branch folding goodness 75765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye bool 76765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override; 77765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye bool isUnpredicatedTerminator(const MachineInstr *MI) const override; 78765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye bool AnalyzeBranch(MachineBasicBlock &MBB, 79765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, 80765e52e2d30d0754625b8c7af6c36e93612f15beTor Norbye SmallVectorImpl<MachineOperand> &Cond, 81 bool AllowModify) const override; 82 83 unsigned RemoveBranch(MachineBasicBlock &MBB) const override; 84 unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 85 MachineBasicBlock *FBB, 86 const SmallVectorImpl<MachineOperand> &Cond, 87 DebugLoc DL) const override; 88 89}; 90 91} 92 93#endif 94