lib/Target/R600/AMDGPU.td

   1 //===-- AMDIL.td - AMDIL Tablegen files --*- 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
  10 // Include AMDIL TD files
  11 include "AMDILBase.td"
  12
  13 //===----------------------------------------------------------------------===//
  14 // Subtarget Features
  15 //===----------------------------------------------------------------------===//
  16
  17 // Debugging Features
  18
  19 def FeatureDumpCode : SubtargetFeature <"DumpCode",
  20         "DumpCode",
  21         "true",
  22         "Dump MachineInstrs in the CodeEmitter">;
  23
  24 def FeatureIRStructurizer : SubtargetFeature <"disable-irstructurizer",
  25         "EnableIRStructurizer",
  26         "false",
  27         "Disable IR Structurizer">;
  28
  29 // Target features
  30
  31 def FeatureIfCvt : SubtargetFeature <"disable-ifcvt",
  32         "EnableIfCvt",
  33         "false",
  34         "Disable the if conversion pass">;
  35
  36 def FeatureFP64     : SubtargetFeature<"fp64",
  37         "FP64",
  38         "true",
  39         "Enable 64bit double precision operations">;
  40
  41 def Feature64BitPtr : SubtargetFeature<"64BitPtr",
  42         "Is64bit",
  43         "true",
  44         "Specify if 64bit addressing should be used.">;
  45
  46 def Feature32on64BitPtr : SubtargetFeature<"64on32BitPtr",
  47         "Is32on64bit",
  48         "false",
  49         "Specify if 64bit sized pointers with 32bit addressing should be used.">;
  50
  51 def FeatureR600ALUInst : SubtargetFeature<"R600ALUInst",
  52         "R600ALUInst",
  53         "false",
  54         "Older version of ALU instructions encoding.">;
  55
  56 def FeatureVertexCache : SubtargetFeature<"HasVertexCache",
  57         "HasVertexCache",
  58         "true",
  59         "Specify use of dedicated vertex cache.">;
  60
  61 def FeatureCaymanISA : SubtargetFeature<"caymanISA",
  62         "CaymanISA",
  63         "true",
  64         "Use Cayman ISA">;
  65
  66 class SubtargetFeatureFetchLimit <string Value> :
  67                           SubtargetFeature <"fetch"#Value,
  68         "TexVTXClauseSize",
  69         Value,
  70         "Limit the maximum number of fetches in a clause to "#Value>;
  71
  72 def FeatureFetchLimit8 : SubtargetFeatureFetchLimit <"8">;
  73 def FeatureFetchLimit16 : SubtargetFeatureFetchLimit <"16">;
  74
  75 class SubtargetFeatureWavefrontSize <int Value> : SubtargetFeature<
  76         "wavefrontsize"#Value,
  77         "WavefrontSize",
  78         !cast<string>(Value),
  79         "The number of threads per wavefront">;
  80
  81 def FeatureWavefrontSize16 : SubtargetFeatureWavefrontSize<16>;
  82 def FeatureWavefrontSize32 : SubtargetFeatureWavefrontSize<32>;
  83 def FeatureWavefrontSize64 : SubtargetFeatureWavefrontSize<64>;
  84
  85 class SubtargetFeatureGeneration <string Value,
  86                                   list<SubtargetFeature> Implies> :
  87         SubtargetFeature <Value, "Gen", "AMDGPUSubtarget::"#Value,
  88                           Value#" GPU generation", Implies>;
  89
  90 def FeatureR600 : SubtargetFeatureGeneration<"R600",
  91         [FeatureR600ALUInst, FeatureFetchLimit8]>;
  92
  93 def FeatureR700 : SubtargetFeatureGeneration<"R700",
  94         [FeatureFetchLimit16]>;
  95
  96 def FeatureEvergreen : SubtargetFeatureGeneration<"EVERGREEN",
  97         [FeatureFetchLimit16]>;
  98
  99 def FeatureNorthernIslands : SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
 100         [FeatureFetchLimit16, FeatureWavefrontSize64]>;
 101
 102 def FeatureSouthernIslands : SubtargetFeatureGeneration<"SOUTHERN_ISLANDS",
 103         [Feature64BitPtr, FeatureFP64]>;
 104
 105 def FeatureSeaIslands : SubtargetFeatureGeneration<"SEA_ISLANDS",
 106         [Feature64BitPtr, FeatureFP64]>;
 107 //===----------------------------------------------------------------------===//
 108
 109 def AMDGPUInstrInfo : InstrInfo {
 110   let guessInstructionProperties = 1;
 111 }
 112
 113 def AMDGPU : Target {
 114   // Pull in Instruction Info:
 115   let InstructionSet = AMDGPUInstrInfo;
 116 }
 117
 118 // Include AMDGPU TD files
 119 include "R600Schedule.td"
 120 include "SISchedule.td"
 121 include "Processors.td"
 122 include "AMDGPUInstrInfo.td"
 123 include "AMDGPUIntrinsics.td"
 124 include "AMDGPURegisterInfo.td"
 125 include "AMDGPUInstructions.td"
 126 include "AMDGPUCallingConv.td"