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 //===- PTX Version --------------------------------------------------------===//
  28
  29 def FeaturePTX20 : SubtargetFeature<"ptx20", "PTXVersion", "PTX_VERSION_2_0",
  30                                     "Use PTX Language Version 2.0",
  31                                     []>;
  32
  33 def FeaturePTX21 : SubtargetFeature<"ptx21", "PTXVersion", "PTX_VERSION_2_1",
  34                                     "Use PTX Language Version 2.1",
  35                                     [FeaturePTX20]>;
  36
  37 def FeaturePTX22 : SubtargetFeature<"ptx22", "PTXVersion", "PTX_VERSION_2_2",
  38                                     "Use PTX Language Version 2.2",
  39                                     [FeaturePTX21]>;
  40
  41 def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", "PTX_VERSION_2_3",
  42                                     "Use PTX Language Version 2.3",
  43                                     [FeaturePTX22]>;
  44
  45 //===- PTX Shader Model ---------------------------------------------------===//
  46
  47 def FeatureSM10 : SubtargetFeature<"sm10", "PTXShaderModel", "PTX_SM_1_0",
  48                                    "Enable Shader Model 1.0 compliance">;
  49 def FeatureSM13 : SubtargetFeature<"sm13", "PTXShaderModel", "PTX_SM_1_3",
  50                                    "Enable Shader Model 1.3 compliance",
  51                                    [FeatureSM10, FeatureDouble]>;
  52 def FeatureSM20 : SubtargetFeature<"sm20", "PTXShaderModel", "PTX_SM_2_0",
  53                                    "Enable Shader Model 2.0 compliance",
  54                                    [FeatureSM13]>;
  55
  56 //===----------------------------------------------------------------------===//
  57 // PTX supported processors.
  58 //===----------------------------------------------------------------------===//
  59
  60 class Proc<string Name, list<SubtargetFeature> Features>
  61   : Processor<Name, NoItineraries, Features>;
  62
  63 def : Proc<"generic", []>;
  64
  65 //===----------------------------------------------------------------------===//
  66 // Register File Description
  67 //===----------------------------------------------------------------------===//
  68
  69 include "PTXRegisterInfo.td"
  70
  71 //===----------------------------------------------------------------------===//
  72 // Instruction Descriptions
  73 //===----------------------------------------------------------------------===//
  74
  75 include "PTXInstrInfo.td"
  76
  77 def PTXInstrInfo : InstrInfo;
  78
  79 //===----------------------------------------------------------------------===//
  80 // Target Declaration
  81 //===----------------------------------------------------------------------===//
  82
  83 def PTX : Target {
  84   let InstructionSet = PTXInstrInfo;
  85 }