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annotate lib/Target/NVPTX/NVPTX.td @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 54457678186b
children 1172e4bd9c6f
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1 //===- NVPTX.td - Describe the NVPTX Target Machine -----------*- tblgen -*-==//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 // This is the top level entry point for the NVPTX target.
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10 //===----------------------------------------------------------------------===//
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11
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12 //===----------------------------------------------------------------------===//
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13 // Target-independent interfaces
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14 //===----------------------------------------------------------------------===//
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15
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16 include "llvm/Target/Target.td"
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17
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18 include "NVPTXRegisterInfo.td"
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19 include "NVPTXInstrInfo.td"
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20
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21 //===----------------------------------------------------------------------===//
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22 // Subtarget Features.
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23 // - We use the SM version number instead of explicit feature table.
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24 // - Need at least one feature to avoid generating zero sized array by
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25 // TableGen in NVPTXGenSubtarget.inc.
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26 //===----------------------------------------------------------------------===//
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27
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28 // SM Versions
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29 def SM20 : SubtargetFeature<"sm_20", "SmVersion", "20",
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30 "Target SM 2.0">;
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31 def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21",
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32 "Target SM 2.1">;
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33 def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30",
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34 "Target SM 3.0">;
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35 def SM32 : SubtargetFeature<"sm_32", "SmVersion", "32",
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36 "Target SM 3.2">;
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37 def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
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38 "Target SM 3.5">;
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39 def SM37 : SubtargetFeature<"sm_37", "SmVersion", "37",
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40 "Target SM 3.7">;
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41 def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50",
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42 "Target SM 5.0">;
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43 def SM52 : SubtargetFeature<"sm_52", "SmVersion", "52",
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44 "Target SM 5.2">;
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45 def SM53 : SubtargetFeature<"sm_53", "SmVersion", "53",
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46 "Target SM 5.3">;
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47
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48 // PTX Versions
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49 def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32",
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50 "Use PTX version 3.2">;
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51 def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40",
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52 "Use PTX version 4.0">;
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53 def PTX41 : SubtargetFeature<"ptx41", "PTXVersion", "41",
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54 "Use PTX version 4.1">;
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55 def PTX42 : SubtargetFeature<"ptx42", "PTXVersion", "42",
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56 "Use PTX version 4.2">;
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57
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58 //===----------------------------------------------------------------------===//
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59 // NVPTX supported processors.
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60 //===----------------------------------------------------------------------===//
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61
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62 class Proc<string Name, list<SubtargetFeature> Features>
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63 : Processor<Name, NoItineraries, Features>;
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64
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65 def : Proc<"sm_20", [SM20]>;
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66 def : Proc<"sm_21", [SM21]>;
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67 def : Proc<"sm_30", [SM30]>;
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68 def : Proc<"sm_32", [SM32, PTX40]>;
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69 def : Proc<"sm_35", [SM35]>;
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70 def : Proc<"sm_37", [SM37, PTX41]>;
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71 def : Proc<"sm_50", [SM50, PTX40]>;
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72 def : Proc<"sm_52", [SM52, PTX41]>;
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73 def : Proc<"sm_53", [SM53, PTX42]>;
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74
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75
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76 def NVPTXInstrInfo : InstrInfo {
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77 }
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78
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79 def NVPTX : Target {
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80 let InstructionSet = NVPTXInstrInfo;
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81 }