| Brian Gaeke | e785e53 | 2004-02-25 19:28:19 +0000 | [diff] [blame^] | 1 | //===- SparcV8InstrInfo.cpp - SparcV8 Instruction Information ---*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file was developed by the LLVM research group and is distributed under |
| 6 | // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file contains the SparcV8 implementation of the TargetInstrInfo class. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "SparcV8InstrInfo.h" |
| 15 | #include "llvm/CodeGen/MachineInstrBuilder.h" |
| 16 | #include "SparcV8GenInstrInfo.inc" |
| 17 | |
| 18 | namespace llvm { |
| 19 | |
| 20 | SparcV8InstrInfo::SparcV8InstrInfo() |
| 21 | : TargetInstrInfo(SparcV8Insts, |
| 22 | sizeof(SparcV8Insts)/sizeof(SparcV8Insts[0]), 0) { |
| 23 | } |
| 24 | |
| 25 | // createNOPinstr - returns the target's implementation of NOP, which is |
| 26 | // usually a pseudo-instruction, implemented by a degenerate version of |
| 27 | // another instruction. |
| 28 | // |
| 29 | MachineInstr* SparcV8InstrInfo::createNOPinstr() const { |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | /// isNOPinstr - not having a special NOP opcode, we need to know if a given |
| 34 | /// instruction is interpreted as an `official' NOP instr, i.e., there may be |
| 35 | /// more than one way to `do nothing' but only one canonical way to slack off. |
| 36 | // |
| 37 | bool SparcV8InstrInfo::isNOPinstr(const MachineInstr &MI) const { |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | } // end namespace llvm |
| 42 | |