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 FeatureNoFMA  : SubtargetFeature<"no-fma","SupportsFMA", "false",
  28                                      "Disable Fused-Multiply Add">;
  29
  30 //===- PTX Version --------------------------------------------------------===//
  31
  32 def FeaturePTX20 : SubtargetFeature<"ptx20", "PTXVersion", "PTX_VERSION_2_0",
  33                                     "Use PTX Language Version 2.0",
  34                                     []>;
  35
  36 def FeaturePTX21 : SubtargetFeature<"ptx21", "PTXVersion", "PTX_VERSION_2_1",
  37                                     "Use PTX Language Version 2.1",
  38                                     [FeaturePTX20]>;
  39
  40 def FeaturePTX22 : SubtargetFeature<"ptx22", "PTXVersion", "PTX_VERSION_2_2",
  41                                     "Use PTX Language Version 2.2",
  42                                     [FeaturePTX21]>;
  43
  44 def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", "PTX_VERSION_2_3",
  45                                     "Use PTX Language Version 2.3",
  46                                     [FeaturePTX22]>;
  47
  48 //===- PTX Shader Model ---------------------------------------------------===//
  49
  50 def FeatureSM10 : SubtargetFeature<"sm10", "PTXShaderModel", "PTX_SM_1_0",
  51                                    "Enable Shader Model 1.0 compliance">;
  52 def FeatureSM13 : SubtargetFeature<"sm13", "PTXShaderModel", "PTX_SM_1_3",
  53                                    "Enable Shader Model 1.3 compliance",
  54                                    [FeatureSM10, FeatureDouble]>;
  55 def FeatureSM20 : SubtargetFeature<"sm20", "PTXShaderModel", "PTX_SM_2_0",
  56                                    "Enable Shader Model 2.0 compliance",
  57                                    [FeatureSM13]>;
  58
  59 //===----------------------------------------------------------------------===//
  60 // PTX supported processors.
  61 //===----------------------------------------------------------------------===//
  62
  63 class Proc<string Name, list<SubtargetFeature> Features>
  64   : Processor<Name, NoItineraries, Features>;
  65
  66 def : Proc<"generic", []>;
  67
  68 //===----------------------------------------------------------------------===//
  69 // Register File Description
  70 //===----------------------------------------------------------------------===//
  71
  72 include "PTXRegisterInfo.td"
  73
  74 //===----------------------------------------------------------------------===//
  75 // Calling Conventions
  76 //===----------------------------------------------------------------------===//
  77
  78 include "PTXCallingConv.td"
  79
  80 //===----------------------------------------------------------------------===//
  81 // Instruction Descriptions
  82 //===----------------------------------------------------------------------===//
  83
  84 include "PTXInstrInfo.td"
  85
  86 def PTXInstrInfo : InstrInfo;
  87
  88 //===----------------------------------------------------------------------===//
  89 // Target Declaration
  90 //===----------------------------------------------------------------------===//
  91
  92 def PTX : Target {
  93   let InstructionSet = PTXInstrInfo;
  94 }