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 SM20 : SubtargetFeature<"sm_20", "SmVersion", "20", 30 "Target SM 2.0">; 31 def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21", 32 "Target SM 2.1">; 33 def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30", 34 "Target SM 3.0">; 35 def SM32 : SubtargetFeature<"sm_32", "SmVersion", "32", 36 "Target SM 3.2">; 37 def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35", 38 "Target SM 3.5">; 39 def SM37 : SubtargetFeature<"sm_37", "SmVersion", "37", 40 "Target SM 3.7">; 41 def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50", 42 "Target SM 5.0">; 43 def SM52 : SubtargetFeature<"sm_52", "SmVersion", "52", 44 "Target SM 5.2">; 45 def SM53 : SubtargetFeature<"sm_53", "SmVersion", "53", 46 "Target SM 5.3">; 47 def SM60 : SubtargetFeature<"sm_60", "SmVersion", "60", 48 "Target SM 6.0">; 49 def SM61 : SubtargetFeature<"sm_61", "SmVersion", "61", 50 "Target SM 6.1">; 51 def SM62 : SubtargetFeature<"sm_62", "SmVersion", "62", 52 "Target SM 6.2">; 53 54 // PTX Versions 55 def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32", 56 "Use PTX version 3.2">; 57 def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40", 58 "Use PTX version 4.0">; 59 def PTX41 : SubtargetFeature<"ptx41", "PTXVersion", "41", 60 "Use PTX version 4.1">; 61 def PTX42 : SubtargetFeature<"ptx42", "PTXVersion", "42", 62 "Use PTX version 4.2">; 63 def PTX43 : SubtargetFeature<"ptx43", "PTXVersion", "43", 64 "Use PTX version 4.3">; 65 def PTX50 : SubtargetFeature<"ptx50", "PTXVersion", "50", 66 "Use PTX version 5.0">; 67 68 //===----------------------------------------------------------------------===// 69 // NVPTX supported processors. 70 //===----------------------------------------------------------------------===// 71 72 class Proc<string Name, list<SubtargetFeature> Features> 73 : Processor<Name, NoItineraries, Features>; 74 75 def : Proc<"sm_20", [SM20]>; 76 def : Proc<"sm_21", [SM21]>; 77 def : Proc<"sm_30", [SM30]>; 78 def : Proc<"sm_32", [SM32, PTX40]>; 79 def : Proc<"sm_35", [SM35]>; 80 def : Proc<"sm_37", [SM37, PTX41]>; 81 def : Proc<"sm_50", [SM50, PTX40]>; 82 def : Proc<"sm_52", [SM52, PTX41]>; 83 def : Proc<"sm_53", [SM53, PTX42]>; 84 def : Proc<"sm_60", [SM60, PTX50]>; 85 def : Proc<"sm_61", [SM61, PTX50]>; 86 def : Proc<"sm_62", [SM62, PTX50]>; 87 88 def NVPTXInstrInfo : InstrInfo { 89 } 90 91 def NVPTX : Target { 92 let InstructionSet = NVPTXInstrInfo; 93 } 94
