lib/Target/PTX/PTX.td

   1 //===- PTX.td - Describe the PTX Target Machine ---------------*- tblgen -*-==//
   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 PTX target.
  10 //===----------------------------------------------------------------------===//
  11
  12 //===----------------------------------------------------------------------===//
  13 // Target-independent interfaces
  14 //===----------------------------------------------------------------------===//
  15
  16 include "llvm/Target/Target.td"
  17
  18 //===----------------------------------------------------------------------===//
  19 // Subtarget Features.
  20 //===----------------------------------------------------------------------===//
  21
  22 //===- Architectural Features ---------------------------------------------===//
  23
  24 def FeatureDouble : SubtargetFeature<"double", "SupportsDouble", "true",
  25                                      "Do not demote .f64 to .f32">;
  26
  27 def Feature64Bit : SubtargetFeature<"64bit", "Use64BitAddresses", "true",
  28                                     "Use 64-bit integer types for addresses.">;
  29
  30 //===- PTX Version --------------------------------------------------------===//
  31
  32 def FeaturePTX14 : SubtargetFeature<"ptx14", "PTXVersion", "PTX_VERSION_1_4",
  33                                     "Use PTX Language Version 1.4">;
  34
  35 def FeaturePTX20 : SubtargetFeature<"ptx20", "PTXVersion", "PTX_VERSION_2_0",
  36                                     "Use PTX Language Version 2.0",
  37                                     [FeaturePTX14]>;
  38
  39 def FeaturePTX21 : SubtargetFeature<"ptx21", "PTXVersion", "PTX_VERSION_2_1",
  40                                     "Use PTX Language Version 2.1",
  41                                     [FeaturePTX20]>;
  42
  43 //===- PTX Shader Model ---------------------------------------------------===//
  44
  45 def FeatureSM10 : SubtargetFeature<"sm10", "PTXShaderModel", "PTX_SM_1_0",
  46                                    "Enable Shader Model 1.0 compliance">;
  47 def FeatureSM13 : SubtargetFeature<"sm13", "PTXShaderModel", "PTX_SM_1_3",
  48                                    "Enable Shader Model 1.3 compliance",
  49                                    [FeatureSM10, FeatureDouble]>;
  50 def FeatureSM20 : SubtargetFeature<"sm20", "PTXShaderModel", "PTX_SM_2_0",
  51                                    "Enable Shader Model 2.0 compliance",
  52                                    [FeatureSM13]>;
  53
  54 //===----------------------------------------------------------------------===//
  55 // PTX supported processors.
  56 //===----------------------------------------------------------------------===//
  57
  58 class Proc<string Name, list<SubtargetFeature> Features>
  59   : Processor<Name, NoItineraries, Features>;
  60
  61 def : Proc<"generic", []>;
  62
  63 //===----------------------------------------------------------------------===//
  64 // Register File Description
  65 //===----------------------------------------------------------------------===//
  66
  67 include "PTXRegisterInfo.td"
  68
  69 //===----------------------------------------------------------------------===//
  70 // Instruction Descriptions
  71 //===----------------------------------------------------------------------===//
  72
  73 include "PTXInstrInfo.td"
  74
  75 def PTXInstrInfo : InstrInfo;
  76
  77 //===----------------------------------------------------------------------===//
  78 // Target Declaration
  79 //===----------------------------------------------------------------------===//
  80
  81 def PTX : Target {
  82   let InstructionSet = PTXInstrInfo;
  83 }