llvm/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, string FeatureName,
  44                                   list<SubtargetFeature> Implies> :
  45         SubtargetFeatureGeneration <Value, FeatureName, "R600Subtarget", Implies>;
  46
  47 def FeatureR600 : R600SubtargetFeatureGeneration<"R600", "r600",
  48   [FeatureR600ALUInst, FeatureFetchLimit8]
  49 >;
  50
  51 def FeatureR700 : R600SubtargetFeatureGeneration<"R700", "r700",
  52   [FeatureFetchLimit16]
  53 >;
  54
  55 def FeatureEvergreen : R600SubtargetFeatureGeneration<"EVERGREEN", "evergreen",
  56   [FeatureFetchLimit16, FeatureLocalMemorySize32768]
  57 >;
  58
  59 def FeatureNorthernIslands : R600SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
  60   "northern-islands",
  61   [FeatureFetchLimit16, FeatureWavefrontSize64,
  62    FeatureLocalMemorySize32768]
  63 >;
  64
  65
  66 //===----------------------------------------------------------------------===//
  67 // Radeon HD 2000/3000 Series (R600).
  68 //===----------------------------------------------------------------------===//
  69
  70 def : Processor<"r600", R600_VLIW5_Itin,
  71   [FeatureR600, FeatureWavefrontSize64, FeatureVertexCache]
  72 >;
  73
  74 def : Processor<"r630", R600_VLIW5_Itin,
  75   [FeatureR600, FeatureWavefrontSize32, FeatureVertexCache]
  76 >;
  77
  78 def : Processor<"rs880", R600_VLIW5_Itin,
  79   [FeatureR600, FeatureWavefrontSize16]
  80 >;
  81
  82 def : Processor<"rv670", R600_VLIW5_Itin,
  83   [FeatureR600, FeatureWavefrontSize64, FeatureVertexCache]
  84 >;
  85
  86 //===----------------------------------------------------------------------===//
  87 // Radeon HD 4000 Series (R700).
  88 //===----------------------------------------------------------------------===//
  89
  90 def : Processor<"rv710", R600_VLIW5_Itin,
  91   [FeatureR700, FeatureWavefrontSize32, FeatureVertexCache]
  92 >;
  93
  94 def : Processor<"rv730", R600_VLIW5_Itin,
  95   [FeatureR700, FeatureWavefrontSize32, FeatureVertexCache]
  96 >;
  97
  98 def : Processor<"rv770", R600_VLIW5_Itin,
  99   [FeatureR700, FeatureWavefrontSize64, FeatureVertexCache]
 100 >;
 101
 102 //===----------------------------------------------------------------------===//
 103 // Radeon HD 5000 Series (Evergreen).
 104 //===----------------------------------------------------------------------===//
 105
 106 def : Processor<"cedar", R600_VLIW5_Itin,
 107   [FeatureEvergreen, FeatureWavefrontSize32, FeatureVertexCache,
 108    FeatureCFALUBug]
 109 >;
 110
 111 def : Processor<"cypress", R600_VLIW5_Itin,
 112   [FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache, FeatureFMA]
 113 >;
 114
 115 def : Processor<"juniper", R600_VLIW5_Itin,
 116   [FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache]
 117 >;
 118
 119 def : Processor<"redwood", R600_VLIW5_Itin,
 120   [FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache,
 121    FeatureCFALUBug]
 122 >;
 123
 124 def : Processor<"sumo", R600_VLIW5_Itin,
 125   [FeatureEvergreen, FeatureWavefrontSize64, FeatureCFALUBug]
 126 >;
 127
 128 //===----------------------------------------------------------------------===//
 129 // Radeon HD 6000 Series (Northern Islands).
 130 //===----------------------------------------------------------------------===//
 131
 132 def : Processor<"barts", R600_VLIW5_Itin,
 133   [FeatureNorthernIslands, FeatureVertexCache, FeatureCFALUBug]
 134 >;
 135
 136 def : Processor<"caicos", R600_VLIW5_Itin,
 137   [FeatureNorthernIslands, FeatureCFALUBug]
 138 >;
 139
 140 def : Processor<"cayman", R600_VLIW4_Itin,
 141   [FeatureNorthernIslands, FeatureCaymanISA, FeatureFMA]
 142 >;
 143
 144 def : Processor<"turks", R600_VLIW5_Itin,
 145   [FeatureNorthernIslands, FeatureVertexCache, FeatureCFALUBug]
 146 >;