lib/Target/MBlaze/MBlaze.td

   1 //===- MBlaze.td - Describe the MBlaze Target Machine -----------*- C++ -*-===//
   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   let TSFlagsFields = [];
  30   let TSFlagsShifts = [];
  31 }
  32
  33
  34 //===----------------------------------------------------------------------===//
  35 // Microblaze Subtarget features                                              //
  36 //===----------------------------------------------------------------------===//
  37
  38 def FeaturePipe3       : SubtargetFeature<"pipe3", "HasPipe3", "true",
  39                                 "Implements 3-stage pipeline.">;
  40 def FeatureBarrel      : SubtargetFeature<"barrel", "HasBarrel", "true",
  41                                 "Implements barrel shifter.">;
  42 def FeatureDiv         : SubtargetFeature<"div", "HasDiv", "true",
  43                                 "Implements hardware divider.">;
  44 def FeatureMul         : SubtargetFeature<"mul", "HasMul", "true",
  45                                 "Implements hardware multiplier.">;
  46 def FeatureFSL         : SubtargetFeature<"fsl", "HasFSL", "true",
  47                                 "Implements FSL instructions.">;
  48 def FeatureEFSL        : SubtargetFeature<"efsl", "HasEFSL", "true",
  49                                 "Implements extended FSL instructions.">;
  50 def FeatureMSRSet      : SubtargetFeature<"msrset", "HasMSRSet", "true",
  51                                 "Implements MSR register set and clear.">;
  52 def FeatureException   : SubtargetFeature<"exception", "HasException", "true",
  53                                 "Implements hardware exception support.">;
  54 def FeaturePatCmp      : SubtargetFeature<"patcmp", "HasPatCmp", "true",
  55                                 "Implements pattern compare instruction.">;
  56 def FeatureFPU         : SubtargetFeature<"fpu", "HasFPU", "true",
  57                                 "Implements floating point unit.">;
  58 def FeatureESR         : SubtargetFeature<"esr", "HasESR", "true",
  59                                 "Implements ESR and EAR registers">;
  60 def FeaturePVR         : SubtargetFeature<"pvr", "HasPVR", "true",
  61                                 "Implements processor version register.">;
  62 def FeatureMul64       : SubtargetFeature<"mul64", "HasMul64", "true",
  63                                 "Implements multiplier with 64-bit result">;
  64 def FeatureSqrt        : SubtargetFeature<"sqrt", "HasSqrt", "true",
  65                                 "Implements sqrt and floating point convert.">;
  66 def FeatureMMU         : SubtargetFeature<"mmu", "HasMMU", "true",
  67                                 "Implements memory management unit.">;
  68
  69 //===----------------------------------------------------------------------===//
  70 // MBlaze processors supported.
  71 //===----------------------------------------------------------------------===//
  72
  73 class Proc<string Name, list<SubtargetFeature> Features>
  74  : Processor<Name, MBlazeGenericItineraries, Features>;
  75
  76
  77 def : Proc<"v400", []>;
  78 def : Proc<"v500", []>;
  79 def : Proc<"v600", []>;
  80 def : Proc<"v700", []>;
  81 def : Proc<"v710", []>;
  82
  83 def MBlaze : Target {
  84   let InstructionSet = MBlazeInstrInfo;
  85 }