1 //===- NVPTX.td - Describe the NVPTX Target Machine -----------*- tblgen -*-==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
9 // This is the top level entry point for the NVPTX target.
10 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
13 // Target-independent interfaces
14 //===----------------------------------------------------------------------===//
16 include "llvm/Target/Target.td"
18 include "NVPTXRegisterInfo.td"
19 include "NVPTXInstrInfo.td"
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 //===----------------------------------------------------------------------===//
29 def SM20 : SubtargetFeature<"sm_20", "SmVersion", "20",
31 def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21",
33 def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30",
35 def SM32 : SubtargetFeature<"sm_32", "SmVersion", "32",
37 def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
39 def SM37 : SubtargetFeature<"sm_37", "SmVersion", "37",
41 def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50",
43 def SM52 : SubtargetFeature<"sm_52", "SmVersion", "52",
45 def SM53 : SubtargetFeature<"sm_53", "SmVersion", "53",
49 def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32",
50 "Use PTX version 3.2">;
51 def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40",
52 "Use PTX version 4.0">;
53 def PTX41 : SubtargetFeature<"ptx41", "PTXVersion", "41",
54 "Use PTX version 4.1">;
55 def PTX42 : SubtargetFeature<"ptx42", "PTXVersion", "42",
56 "Use PTX version 4.2">;
58 //===----------------------------------------------------------------------===//
59 // NVPTX supported processors.
60 //===----------------------------------------------------------------------===//
62 class Proc<string Name, list<SubtargetFeature> Features>
63 : Processor<Name, NoItineraries, Features>;
65 def : Proc<"sm_20", [SM20]>;
66 def : Proc<"sm_21", [SM21]>;
67 def : Proc<"sm_30", [SM30]>;
68 def : Proc<"sm_32", [SM32, PTX40]>;
69 def : Proc<"sm_35", [SM35]>;
70 def : Proc<"sm_37", [SM37, PTX41]>;
71 def : Proc<"sm_50", [SM50, PTX40]>;
72 def : Proc<"sm_52", [SM52, PTX41]>;
73 def : Proc<"sm_53", [SM53, PTX42]>;
76 def NVPTXInstrInfo : InstrInfo {
80 let InstructionSet = NVPTXInstrInfo;