llvm-6502/lib/Target/NVPTX/NVPTXInstrFormats.td

//===- NVPTXInstrFormats.td - NVPTX Instruction Formats-------*- tblgen -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
//  Describe NVPTX instructions format
//
//===----------------------------------------------------------------------===//

// Vector instruction type enum
class VecInstTypeEnum<bits<4> val> {
  bits<4> Value=val;
}
def VecNOP : VecInstTypeEnum<0>;

// Generic NVPTX Format

class NVPTXInst<dag outs, dag ins, string asmstr, list<dag> pattern>
  : Instruction {
  field bits<14> Inst;

  let Namespace = "NVPTX";
  dag OutOperandList = outs;
  dag InOperandList = ins;
  let AsmString = asmstr;
  let Pattern = pattern;

  // TSFlagFields
  bits<4> VecInstType = VecNOP.Value;
  bit IsSimpleMove = 0;
  bit IsLoad = 0;
  bit IsStore = 0;

  let TSFlags{3-0} = VecInstType;
  let TSFlags{4-4} = IsSimpleMove;
  let TSFlags{5-5} = IsLoad;
  let TSFlags{6-6} = IsStore;
}