lib/Target/NVPTX/NVPTX.td

   1 //===- NVPTX.td - Describe the NVPTX Target Machine -----------*- tblgen -*-==//
   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 // This is the top level entry point for the NVPTX target.
   9 //===----------------------------------------------------------------------===//
  10
  11 //===----------------------------------------------------------------------===//
  12 // Target-independent interfaces
  13 //===----------------------------------------------------------------------===//
  14
  15 include "llvm/Target/Target.td"
  16
  17 include "NVPTXRegisterInfo.td"
  18 include "NVPTXInstrInfo.td"
  19
  20 //===----------------------------------------------------------------------===//
  21 // Subtarget Features.
  22 // - We use the SM version number instead of explicit feature table.
  23 // - Need at least one feature to avoid generating zero sized array by
  24 //   TableGen in NVPTXGenSubtarget.inc.
  25 //===----------------------------------------------------------------------===//
  26
  27 // SM Versions
  28 def SM20 : SubtargetFeature<"sm_20", "SmVersion", "20",
  29                             "Target SM 2.0">;
  30 def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21",
  31                             "Target SM 2.1">;
  32 def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30",
  33                             "Target SM 3.0">;
  34 def SM32 : SubtargetFeature<"sm_32", "SmVersion", "32",
  35                             "Target SM 3.2">;
  36 def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
  37                             "Target SM 3.5">;
  38 def SM37 : SubtargetFeature<"sm_37", "SmVersion", "37",
  39                             "Target SM 3.7">;
  40 def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50",
  41                             "Target SM 5.0">;
  42 def SM52 : SubtargetFeature<"sm_52", "SmVersion", "52",
  43                             "Target SM 5.2">;
  44 def SM53 : SubtargetFeature<"sm_53", "SmVersion", "53",
  45                             "Target SM 5.3">;
  46 def SM60 : SubtargetFeature<"sm_60", "SmVersion", "60",
  47                              "Target SM 6.0">;
  48 def SM61 : SubtargetFeature<"sm_61", "SmVersion", "61",
  49                              "Target SM 6.1">;
  50 def SM62 : SubtargetFeature<"sm_62", "SmVersion", "62",
  51                              "Target SM 6.2">;
  52 def SM70 : SubtargetFeature<"sm_70", "SmVersion", "70",
  53                              "Target SM 7.0">;
  54 def SM72 : SubtargetFeature<"sm_72", "SmVersion", "72",
  55                              "Target SM 7.2">;
  56 def SM75 : SubtargetFeature<"sm_75", "SmVersion", "75",
  57                              "Target SM 7.5">;
  58
  59 // PTX Versions
  60 def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32",
  61                              "Use PTX version 3.2">;
  62 def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40",
  63                              "Use PTX version 4.0">;
  64 def PTX41 : SubtargetFeature<"ptx41", "PTXVersion", "41",
  65                              "Use PTX version 4.1">;
  66 def PTX42 : SubtargetFeature<"ptx42", "PTXVersion", "42",
  67                              "Use PTX version 4.2">;
  68 def PTX43 : SubtargetFeature<"ptx43", "PTXVersion", "43",
  69                              "Use PTX version 4.3">;
  70 def PTX50 : SubtargetFeature<"ptx50", "PTXVersion", "50",
  71                              "Use PTX version 5.0">;
  72 def PTX60 : SubtargetFeature<"ptx60", "PTXVersion", "60",
  73                              "Use PTX version 6.0">;
  74 def PTX61 : SubtargetFeature<"ptx61", "PTXVersion", "61",
  75                              "Use PTX version 6.1">;
  76 def PTX63 : SubtargetFeature<"ptx63", "PTXVersion", "63",
  77                              "Use PTX version 6.3">;
  78 def PTX64 : SubtargetFeature<"ptx64", "PTXVersion", "64",
  79                              "Use PTX version 6.4">;
  80
  81 //===----------------------------------------------------------------------===//
  82 // NVPTX supported processors.
  83 //===----------------------------------------------------------------------===//
  84
  85 class Proc<string Name, list<SubtargetFeature> Features>
  86  : Processor<Name, NoItineraries, Features>;
  87
  88 def : Proc<"sm_20", [SM20]>;
  89 def : Proc<"sm_21", [SM21]>;
  90 def : Proc<"sm_30", [SM30]>;
  91 def : Proc<"sm_32", [SM32, PTX40]>;
  92 def : Proc<"sm_35", [SM35]>;
  93 def : Proc<"sm_37", [SM37, PTX41]>;
  94 def : Proc<"sm_50", [SM50, PTX40]>;
  95 def : Proc<"sm_52", [SM52, PTX41]>;
  96 def : Proc<"sm_53", [SM53, PTX42]>;
  97 def : Proc<"sm_60", [SM60, PTX50]>;
  98 def : Proc<"sm_61", [SM61, PTX50]>;
  99 def : Proc<"sm_62", [SM62, PTX50]>;
 100 def : Proc<"sm_70", [SM70, PTX60]>;
 101 def : Proc<"sm_72", [SM72, PTX61]>;
 102 def : Proc<"sm_75", [SM75, PTX63]>;
 103
 104 def NVPTXInstrInfo : InstrInfo {
 105 }
 106
 107 def NVPTX : Target {
 108   let InstructionSet = NVPTXInstrInfo;
 109 }