lib/Target/AMDGPU/R600Processors.td

   1 //===-- R600Processors.td - R600 Processor definitions --------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 class SubtargetFeatureFetchLimit <string Value> :
  10                           SubtargetFeature <"fetch"#Value,
  11   "TexVTXClauseSize",
  12   Value,
  13   "Limit the maximum number of fetches in a clause to "#Value
  14 >;
  15
  16 def FeatureR600ALUInst : SubtargetFeature<"R600ALUInst",
  17   "R600ALUInst",
  18   "false",
  19   "Older version of ALU instructions encoding"
  20 >;
  21
  22 def FeatureFetchLimit8 : SubtargetFeatureFetchLimit <"8">;
  23 def FeatureFetchLimit16 : SubtargetFeatureFetchLimit <"16">;
  24
  25 def FeatureVertexCache : SubtargetFeature<"HasVertexCache",
  26   "HasVertexCache",
  27   "true",
  28   "Specify use of dedicated vertex cache"
  29 >;
  30
  31 def FeatureCaymanISA : SubtargetFeature<"caymanISA",
  32   "CaymanISA",
  33   "true",
  34   "Use Cayman ISA"
  35 >;
  36
  37 def FeatureCFALUBug : SubtargetFeature<"cfalubug",
  38   "CFALUBug",
  39   "true",
  40   "GPU has CF_ALU bug"
  41 >;
  42
  43 class R600SubtargetFeatureGeneration <string Value,
  44                                   list<SubtargetFeature> Implies> :
  45         SubtargetFeatureGeneration <Value, "R600Subtarget", Implies>;
  46
  47 def FeatureR600 : R600SubtargetFeatureGeneration<"R600",
  48   [FeatureR600ALUInst, FeatureFetchLimit8, FeatureLocalMemorySize0]
  49 >;
  50
  51 def FeatureR700 : R600SubtargetFeatureGeneration<"R700",
  52   [FeatureFetchLimit16, FeatureLocalMemorySize0]
  53 >;
  54
  55 def FeatureEvergreen : R600SubtargetFeatureGeneration<"EVERGREEN",
  56   [FeatureFetchLimit16, FeatureLocalMemorySize32768]
  57 >;
  58
  59 def FeatureNorthernIslands : R600SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
  60   [FeatureFetchLimit16, FeatureWavefrontSize64,
  61    FeatureLocalMemorySize32768]
  62 >;
  63
  64
  65 //===----------------------------------------------------------------------===//
  66 // Radeon HD 2000/3000 Series (R600).
  67 //===----------------------------------------------------------------------===//
  68
  69 def : Processor<"r600", R600_VLIW5_Itin,
  70   [FeatureR600, FeatureWavefrontSize64, FeatureVertexCache]
  71 >;
  72
  73 def : Processor<"r630", R600_VLIW5_Itin,
  74   [FeatureR600, FeatureWavefrontSize32, FeatureVertexCache]
  75 >;
  76
  77 def : Processor<"rs880", R600_VLIW5_Itin,
  78   [FeatureR600, FeatureWavefrontSize16]
  79 >;
  80
  81 def : Processor<"rv670", R600_VLIW5_Itin,
  82   [FeatureR600, FeatureWavefrontSize64, FeatureVertexCache]
  83 >;
  84
  85 //===----------------------------------------------------------------------===//
  86 // Radeon HD 4000 Series (R700).
  87 //===----------------------------------------------------------------------===//
  88
  89 def : Processor<"rv710", R600_VLIW5_Itin,
  90   [FeatureR700, FeatureWavefrontSize32, FeatureVertexCache]
  91 >;
  92
  93 def : Processor<"rv730", R600_VLIW5_Itin,
  94   [FeatureR700, FeatureWavefrontSize32, FeatureVertexCache]
  95 >;
  96
  97 def : Processor<"rv770", R600_VLIW5_Itin,
  98   [FeatureR700, FeatureWavefrontSize64, FeatureVertexCache]
  99 >;
 100
 101 //===----------------------------------------------------------------------===//
 102 // Radeon HD 5000 Series (Evergreen).
 103 //===----------------------------------------------------------------------===//
 104
 105 def : Processor<"cedar", R600_VLIW5_Itin,
 106   [FeatureEvergreen, FeatureWavefrontSize32, FeatureVertexCache,
 107    FeatureCFALUBug]
 108 >;
 109
 110 def : Processor<"cypress", R600_VLIW5_Itin,
 111   [FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache, FeatureFMA]
 112 >;
 113
 114 def : Processor<"juniper", R600_VLIW5_Itin,
 115   [FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache]
 116 >;
 117
 118 def : Processor<"redwood", R600_VLIW5_Itin,
 119   [FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache,
 120    FeatureCFALUBug]
 121 >;
 122
 123 def : Processor<"sumo", R600_VLIW5_Itin,
 124   [FeatureEvergreen, FeatureWavefrontSize64, FeatureCFALUBug]
 125 >;
 126
 127 //===----------------------------------------------------------------------===//
 128 // Radeon HD 6000 Series (Northern Islands).
 129 //===----------------------------------------------------------------------===//
 130
 131 def : Processor<"barts", R600_VLIW5_Itin,
 132   [FeatureNorthernIslands, FeatureVertexCache, FeatureCFALUBug]
 133 >;
 134
 135 def : Processor<"caicos", R600_VLIW5_Itin,
 136   [FeatureNorthernIslands, FeatureCFALUBug]
 137 >;
 138
 139 def : Processor<"cayman", R600_VLIW4_Itin,
 140   [FeatureNorthernIslands, FeatureCaymanISA, FeatureFMA]
 141 >;
 142
 143 def : Processor<"turks", R600_VLIW5_Itin,
 144   [FeatureNorthernIslands, FeatureVertexCache, FeatureCFALUBug]
 145 >;