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 } 74
