lib/Target/MSP430/MSP430.td

   1 //===- MSP430.td - Describe the MSP430 Target Machine ---------*- tblgen -*-==//
   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 //===----------------------------------------------------------------------===//
   9 // This is the top level entry point for the MSP430 target.
  10 //===----------------------------------------------------------------------===//
  11
  12 //===----------------------------------------------------------------------===//
  13 // Target-independent interfaces
  14 //===----------------------------------------------------------------------===//
  15
  16 include "llvm/Target/Target.td"
  17
  18 //===----------------------------------------------------------------------===//
  19 // Subtarget Features.
  20 //===----------------------------------------------------------------------===//
  21 def FeatureX
  22  : SubtargetFeature<"ext", "ExtendedInsts", "true",
  23                     "Enable MSP430-X extensions">;
  24
  25 //===----------------------------------------------------------------------===//
  26 // MSP430 supported processors.
  27 //===----------------------------------------------------------------------===//
  28 class Proc<string Name, list<SubtargetFeature> Features>
  29  : Processor<Name, NoItineraries, Features>;
  30
  31 def : Proc<"generic",         []>;
  32
  33 //===----------------------------------------------------------------------===//
  34 // Register File Description
  35 //===----------------------------------------------------------------------===//
  36
  37 include "MSP430RegisterInfo.td"
  38
  39 //===----------------------------------------------------------------------===//
  40 // Calling Convention Description
  41 //===----------------------------------------------------------------------===//
  42
  43 include "MSP430CallingConv.td"
  44
  45 //===----------------------------------------------------------------------===//
  46 // Instruction Descriptions
  47 //===----------------------------------------------------------------------===//
  48
  49 include "MSP430InstrInfo.td"
  50
  51 def MSP430InstrInfo : InstrInfo {
  52   // Define how we want to layout our TargetSpecific information field... This
  53   // should be kept up-to-date with the fields in the MSP430InstrInfo.h file.
  54   let TSFlagsFields = ["FormBits",
  55                        "Size"];
  56   let TSFlagsShifts = [0,
  57                        2];
  58 }
  59
  60 def MSP430InstPrinter : AsmWriter {
  61   string AsmWriterClassName  = "InstPrinter";
  62 }
  63
  64 //===----------------------------------------------------------------------===//
  65 // Target Declaration
  66 //===----------------------------------------------------------------------===//
  67
  68 def MSP430 : Target {
  69   let InstructionSet = MSP430InstrInfo;
  70   let AssemblyWriters = [MSP430InstPrinter];
  71 }
  72