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
16include "llvm/Target/Target.td"
17
18include "NVPTXRegisterInfo.td"
19include "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
29def SM20 : SubtargetFeature<"sm_20", "SmVersion", "20",
30                            "Target SM 2.0">;
31def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21",
32                            "Target SM 2.1">;
33def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30",
34                            "Target SM 3.0">;
35def SM32 : SubtargetFeature<"sm_32", "SmVersion", "32",
36                            "Target SM 3.2">;
37def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
38                            "Target SM 3.5">;
39def SM37 : SubtargetFeature<"sm_37", "SmVersion", "37",
40                            "Target SM 3.7">;
41def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50",
42                            "Target SM 5.0">;
43def SM52 : SubtargetFeature<"sm_52", "SmVersion", "52",
44                            "Target SM 5.2">;
45def SM53 : SubtargetFeature<"sm_53", "SmVersion", "53",
46                            "Target SM 5.3">;
47
48// PTX Versions
49def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32",
50                             "Use PTX version 3.2">;
51def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40",
52                             "Use PTX version 4.0">;
53def PTX41 : SubtargetFeature<"ptx41", "PTXVersion", "41",
54                             "Use PTX version 4.1">;
55def PTX42 : SubtargetFeature<"ptx42", "PTXVersion", "42",
56                             "Use PTX version 4.2">;
57
58//===----------------------------------------------------------------------===//
59// NVPTX supported processors.
60//===----------------------------------------------------------------------===//
61
62class Proc<string Name, list<SubtargetFeature> Features>
63 : Processor<Name, NoItineraries, Features>;
64
65def : Proc<"sm_20", [SM20]>;
66def : Proc<"sm_21", [SM21]>;
67def : Proc<"sm_30", [SM30]>;
68def : Proc<"sm_32", [SM32, PTX40]>;
69def : Proc<"sm_35", [SM35]>;
70def : Proc<"sm_37", [SM37, PTX41]>;
71def : Proc<"sm_50", [SM50, PTX40]>;
72def : Proc<"sm_52", [SM52, PTX41]>;
73def : Proc<"sm_53", [SM53, PTX42]>;
74
75
76def NVPTXInstrInfo : InstrInfo {
77}
78
79def NVPTX : Target {
80  let InstructionSet = NVPTXInstrInfo;
81}
82