llvm-mirror/lib/Target/MSP430/MSP430.td

//===- MSP430.td - Describe the MSP430 Target Machine ---------*- tblgen -*-==//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source 
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// This is the top level entry point for the MSP430 target.
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
// Target-independent interfaces
//===----------------------------------------------------------------------===//

include "llvm/Target/Target.td"

//===----------------------------------------------------------------------===//
// Subtarget Features. 
//===----------------------------------------------------------------------===//
def FeatureX
 : SubtargetFeature<"ext", "ExtendedInsts", "true",
                    "Enable MSP430-X extensions">;

//===----------------------------------------------------------------------===//
// MSP430 supported processors.
//===----------------------------------------------------------------------===//
class Proc<string Name, list<SubtargetFeature> Features>
 : Processor<Name, NoItineraries, Features>;

def : Proc<"generic",         []>;

//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//

include "MSP430RegisterInfo.td"

//===----------------------------------------------------------------------===//
// Calling Convention Description
//===----------------------------------------------------------------------===//

include "MSP430CallingConv.td"

//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//

include "MSP430InstrInfo.td"

def MSP430InstrInfo : InstrInfo {
  // Define how we want to layout our TargetSpecific information field... This
  // should be kept up-to-date with the fields in the MSP430InstrInfo.h file.
  let TSFlagsFields = ["FormBits",
                       "Size"];
  let TSFlagsShifts = [0,
                       2];
}

def MSP430InstPrinter : AsmWriter {
  string AsmWriterClassName  = "InstPrinter";
}

//===----------------------------------------------------------------------===//
// Target Declaration
//===----------------------------------------------------------------------===//

def MSP430 : Target {
  let InstructionSet = MSP430InstrInfo;
  let AssemblyWriters = [MSP430InstPrinter];
}