lib/Target/NVPTX/NVPTX.td

   1 //===- NVPTX.td - Describe the NVPTX 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 NVPTX target.
  10 //===----------------------------------------------------------------------===//
  11
  12 //===----------------------------------------------------------------------===//
  13 // Target-independent interfaces
  14 //===----------------------------------------------------------------------===//
  15
  16 include "llvm/Target/Target.td"
  17
  18 include "NVPTXRegisterInfo.td"
  19 include "NVPTXInstrInfo.td"
  20
  21 //===----------------------------------------------------------------------===//
  22 // Subtarget Features.
  23 // - We use the SM version number instead of explicit feature table.
  24 // - Need at least one feature to avoid generating zero sized array by
  25 //   TableGen in NVPTXGenSubtarget.inc.
  26 //===----------------------------------------------------------------------===//
  27
  28 // SM Versions
  29 def SM10 : SubtargetFeature<"sm_10", "SmVersion", "10",
  30                             "Target SM 1.0">;
  31 def SM11 : SubtargetFeature<"sm_11", "SmVersion", "11",
  32                             "Target SM 1.1">;
  33 def SM12 : SubtargetFeature<"sm_12", "SmVersion", "12",
  34                             "Target SM 1.2">;
  35 def SM13 : SubtargetFeature<"sm_13", "SmVersion", "13",
  36                             "Target SM 1.3">;
  37 def SM20 : SubtargetFeature<"sm_20", "SmVersion", "20",
  38                             "Target SM 2.0">;
  39 def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21",
  40                             "Target SM 2.1">;
  41 def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30",
  42                             "Target SM 3.0">;
  43 def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
  44                             "Target SM 3.5">;
  45
  46 // PTX Versions
  47 def PTX30 : SubtargetFeature<"ptx30", "PTXVersion", "30",
  48                              "Use PTX version 3.0">;
  49 def PTX31 : SubtargetFeature<"ptx31", "PTXVersion", "31",
  50                              "Use PTX version 3.1">;
  51
  52 //===----------------------------------------------------------------------===//
  53 // NVPTX supported processors.
  54 //===----------------------------------------------------------------------===//
  55
  56 class Proc<string Name, list<SubtargetFeature> Features>
  57  : Processor<Name, NoItineraries, Features>;
  58
  59 def : Proc<"sm_10", [SM10]>;
  60 def : Proc<"sm_11", [SM11]>;
  61 def : Proc<"sm_12", [SM12]>;
  62 def : Proc<"sm_13", [SM13]>;
  63 def : Proc<"sm_20", [SM20]>;
  64 def : Proc<"sm_21", [SM21]>;
  65 def : Proc<"sm_30", [SM30]>;
  66 def : Proc<"sm_35", [SM35]>;
  67
  68
  69 def NVPTXInstrInfo : InstrInfo {
  70 }
  71
  72 def NVPTX : Target {
  73   let InstructionSet = NVPTXInstrInfo;
  74 }