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 FeatureBarrel      : SubtargetFeature<"barrel", "HasBarrel", "true",
  35                                 "Implements barrel shifter">;
  36 def FeatureDiv         : SubtargetFeature<"div", "HasDiv", "true",
  37                                 "Implements hardware divider">;
  38 def FeatureMul         : SubtargetFeature<"mul", "HasMul", "true",
  39                                 "Implements hardware multiplier">;
  40 def FeaturePatCmp      : SubtargetFeature<"patcmp", "HasPatCmp", "true",
  41                                 "Implements pattern compare instruction">;
  42 def FeatureFPU         : SubtargetFeature<"fpu", "HasFPU", "true",
  43                                 "Implements floating point unit">;
  44 def FeatureMul64       : SubtargetFeature<"mul64", "HasMul64", "true",
  45                                 "Implements multiplier with 64-bit result">;
  46 def FeatureSqrt        : SubtargetFeature<"sqrt", "HasSqrt", "true",
  47                                 "Implements sqrt and floating point convert">;
  48
  49 //===----------------------------------------------------------------------===//
  50 // MBlaze processors supported.
  51 //===----------------------------------------------------------------------===//
  52
  53 def : Processor<"mblaze",  MBlazeGenericItineraries, []>;
  54 def : Processor<"mblaze3", MBlazePipe3Itineraries, []>;
  55 def : Processor<"mblaze5", MBlazePipe5Itineraries, []>;
  56
  57 //===----------------------------------------------------------------------===//
  58 // Instruction Descriptions
  59 //===----------------------------------------------------------------------===//
  60
  61 def MBlazeAsmWriter : AsmWriter {
  62   string AsmWriterClassName  = "InstPrinter";
  63   bit isMCAsmWriter = 1;
  64 }
  65
  66 //===----------------------------------------------------------------------===//
  67 // Target Declaration
  68 //===----------------------------------------------------------------------===//
  69
  70 def MBlaze : Target {
  71   let InstructionSet = MBlazeInstrInfo;
  72   let AssemblyWriters = [MBlazeAsmWriter];
  73 }