| XCoreInstrInfo.cpp (210299) | XCoreInstrInfo.cpp (212904) |
|---|---|
| 1//===- XCoreInstrInfo.cpp - XCore Instruction Information -------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 32 unchanged lines hidden (view full) --- 41 : TargetInstrInfoImpl(XCoreInsts, array_lengthof(XCoreInsts)), 42 RI(*this) { 43} 44 45static bool isZeroImm(const MachineOperand &op) { 46 return op.isImm() && op.getImm() == 0; 47} 48 | 1//===- XCoreInstrInfo.cpp - XCore Instruction Information -------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 32 unchanged lines hidden (view full) --- 41 : TargetInstrInfoImpl(XCoreInsts, array_lengthof(XCoreInsts)), 42 RI(*this) { 43} 44 45static bool isZeroImm(const MachineOperand &op) { 46 return op.isImm() && op.getImm() == 0; 47} 48 |
| 49/// Return true if the instruction is a register to register move and 50/// leave the source and dest operands in the passed parameters. 51/// 52bool XCoreInstrInfo::isMoveInstr(const MachineInstr &MI, 53 unsigned &SrcReg, unsigned &DstReg, 54 unsigned &SrcSR, unsigned &DstSR) const { 55 SrcSR = DstSR = 0; // No sub-registers. 56 57 // We look for 4 kinds of patterns here: 58 // add dst, src, 0 59 // sub dst, src, 0 60 // or dst, src, src 61 // and dst, src, src 62 if ((MI.getOpcode() == XCore::ADD_2rus || MI.getOpcode() == XCore::SUB_2rus) 63 && isZeroImm(MI.getOperand(2))) { 64 DstReg = MI.getOperand(0).getReg(); 65 SrcReg = MI.getOperand(1).getReg(); 66 return true; 67 } else if ((MI.getOpcode() == XCore::OR_3r || MI.getOpcode() == XCore::AND_3r) 68 && MI.getOperand(1).getReg() == MI.getOperand(2).getReg()) { 69 DstReg = MI.getOperand(0).getReg(); 70 SrcReg = MI.getOperand(1).getReg(); 71 return true; 72 } 73 return false; 74} 75 | |
| 76/// isLoadFromStackSlot - If the specified machine instruction is a direct 77/// load from a stack slot, return the virtual or physical register number of 78/// the destination along with the FrameIndex of the loaded stack slot. If 79/// not, return 0. This predicate must return 0 if the instruction has 80/// any side effects other than loading from the stack slot. 81unsigned 82XCoreInstrInfo::isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const{ 83 int Opcode = MI->getOpcode(); --- 348 unchanged lines hidden (view full) --- 432 MBB.addLiveIn(it->getReg()); 433 434 unsigned Reg = it->getReg(); 435 const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(Reg); 436 storeRegToStackSlot(MBB, MI, Reg, true, 437 it->getFrameIdx(), RC, &RI); 438 if (emitFrameMoves) { 439 MCSymbol *SaveLabel = MF->getContext().CreateTempSymbol(); | 49/// isLoadFromStackSlot - If the specified machine instruction is a direct 50/// load from a stack slot, return the virtual or physical register number of 51/// the destination along with the FrameIndex of the loaded stack slot. If 52/// not, return 0. This predicate must return 0 if the instruction has 53/// any side effects other than loading from the stack slot. 54unsigned 55XCoreInstrInfo::isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const{ 56 int Opcode = MI->getOpcode(); --- 348 unchanged lines hidden (view full) --- 405 MBB.addLiveIn(it->getReg()); 406 407 unsigned Reg = it->getReg(); 408 const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(Reg); 409 storeRegToStackSlot(MBB, MI, Reg, true, 410 it->getFrameIdx(), RC, &RI); 411 if (emitFrameMoves) { 412 MCSymbol *SaveLabel = MF->getContext().CreateTempSymbol(); |
| 440 BuildMI(MBB, MI, DL, get(XCore::DBG_LABEL)).addSym(SaveLabel); | 413 BuildMI(MBB, MI, DL, get(XCore::PROLOG_LABEL)).addSym(SaveLabel); |
| 441 XFI->getSpillLabels().push_back(std::make_pair(SaveLabel, *it)); 442 } 443 } 444 return true; 445} 446 447bool XCoreInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 448 MachineBasicBlock::iterator MI, --- 38 unchanged lines hidden --- | 414 XFI->getSpillLabels().push_back(std::make_pair(SaveLabel, *it)); 415 } 416 } 417 return true; 418} 419 420bool XCoreInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 421 MachineBasicBlock::iterator MI, --- 38 unchanged lines hidden --- |