lib/Target/MBlaze/MBlaze.td

   1 //===- MBlaze.td - Describe the MBlaze Target Machine ------*- tablegen -*-===//
   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 MBlaze target.
  10 //===----------------------------------------------------------------------===//
  11
  12 //===----------------------------------------------------------------------===//
  13 // Target-independent interfaces
  14 //===----------------------------------------------------------------------===//
  15
  16 include "llvm/Target/Target.td"
  17
  18 //===----------------------------------------------------------------------===//
  19 // Register File, Calling Conv, Instruction Descriptions
  20 //===----------------------------------------------------------------------===//
  21
  22 include "MBlazeRegisterInfo.td"
  23 include "MBlazeSchedule.td"
  24 include "MBlazeIntrinsics.td"
  25 include "MBlazeInstrInfo.td"
  26 include "MBlazeCallingConv.td"
  27
  28 def MBlazeInstrInfo : InstrInfo;
  29
  30 //===----------------------------------------------------------------------===//
  31 // Microblaze Subtarget features                                              //
  32 //===----------------------------------------------------------------------===//
  33
  34 def FeaturePipe3       : SubtargetFeature<"pipe3", "HasPipe3", "true",
  35                                 "Implements 3-stage pipeline">;
  36 def FeatureBarrel      : SubtargetFeature<"barrel", "HasBarrel", "true",
  37                                 "Implements barrel shifter">;
  38 def FeatureDiv         : SubtargetFeature<"div", "HasDiv", "true",
  39                                 "Implements hardware divider">;
  40 def FeatureMul         : SubtargetFeature<"mul", "HasMul", "true",
  41                                 "Implements hardware multiplier">;
  42 def FeatureFSL         : SubtargetFeature<"fsl", "HasFSL", "true",
  43                                 "Implements FSL instructions">;
  44 def FeatureEFSL        : SubtargetFeature<"efsl", "HasEFSL", "true",
  45                                 "Implements extended FSL instructions">;
  46 def FeatureMSRSet      : SubtargetFeature<"msrset", "HasMSRSet", "true",
  47                                 "Implements MSR register set and clear">;
  48 def FeatureException   : SubtargetFeature<"exception", "HasException", "true",
  49                                 "Implements hardware exception support">;
  50 def FeaturePatCmp      : SubtargetFeature<"patcmp", "HasPatCmp", "true",
  51                                 "Implements pattern compare instruction">;
  52 def FeatureFPU         : SubtargetFeature<"fpu", "HasFPU", "true",
  53                                 "Implements floating point unit">;
  54 def FeatureESR         : SubtargetFeature<"esr", "HasESR", "true",
  55                                 "Implements ESR and EAR registers">;
  56 def FeaturePVR         : SubtargetFeature<"pvr", "HasPVR", "true",
  57                                 "Implements processor version register">;
  58 def FeatureMul64       : SubtargetFeature<"mul64", "HasMul64", "true",
  59                                 "Implements multiplier with 64-bit result">;
  60 def FeatureSqrt        : SubtargetFeature<"sqrt", "HasSqrt", "true",
  61                                 "Implements sqrt and floating point convert">;
  62 def FeatureMMU         : SubtargetFeature<"mmu", "HasMMU", "true",
  63                                 "Implements memory management unit">;
  64
  65 //===----------------------------------------------------------------------===//
  66 // MBlaze processors supported.
  67 //===----------------------------------------------------------------------===//
  68
  69 class Proc<string Name, list<SubtargetFeature> Features>
  70  : Processor<Name, MBlazeGenericItineraries, Features>;
  71
  72 def : Proc<"v400", []>;
  73 def : Proc<"v500", []>;
  74 def : Proc<"v600", []>;
  75 def : Proc<"v700", []>;
  76 def : Proc<"v710", []>;
  77
  78 //===----------------------------------------------------------------------===//
  79 // Instruction Descriptions
  80 //===----------------------------------------------------------------------===//
  81
  82 def MBlazeAsmWriter : AsmWriter {
  83   string AsmWriterClassName  = "InstPrinter";
  84   bit isMCAsmWriter = 1;
  85 }
  86
  87 //===----------------------------------------------------------------------===//
  88 // Target Declaration
  89 //===----------------------------------------------------------------------===//
  90
  91 def MBlaze : Target {
  92   let InstructionSet = MBlazeInstrInfo;
  93   let AssemblyWriters = [MBlazeAsmWriter];
  94 }