AArch64.td revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338
1//===- AArch64.td - Describe the AArch64 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//
10// This is the top level entry point for the AArch64 target.
11//
12//===----------------------------------------------------------------------===//
13
14//===----------------------------------------------------------------------===//
15// Target-independent interfaces
16//===----------------------------------------------------------------------===//
17
18include "llvm/Target/Target.td"
19
20//===----------------------------------------------------------------------===//
21// AArch64 Subtarget features.
22//
23
24def FeatureFPARMv8 : SubtargetFeature<"fp-armv8", "HasFPARMv8", "true",
25  "Enable ARMv8 FP">;
26
27def FeatureNEON : SubtargetFeature<"neon", "HasNEON", "true",
28  "Enable Advanced SIMD instructions", [FeatureFPARMv8]>;
29
30def FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true",
31  "Enable cryptographic instructions">;
32
33//===----------------------------------------------------------------------===//
34// AArch64 Processors
35//
36
37include "AArch64Schedule.td"
38
39class ProcNoItin<string Name, list<SubtargetFeature> Features>
40 : Processor<Name, NoItineraries, Features>;
41
42def : Processor<"generic", GenericItineraries, [FeatureFPARMv8, FeatureNEON]>;
43
44def ProcA53     : SubtargetFeature<"a53", "ARMProcFamily", "CortexA53",
45                                   "Cortex-A53 ARM processors",
46                                   [FeatureFPARMv8,
47                                   FeatureNEON,
48                                   FeatureCrypto]>;
49
50def ProcA57     : SubtargetFeature<"a57", "ARMProcFamily", "CortexA57",
51                                   "Cortex-A57 ARM processors",
52                                   [FeatureFPARMv8,
53                                   FeatureNEON,
54                                   FeatureCrypto]>;
55
56def : ProcessorModel<"cortex-a53", CortexA53Model, [ProcA53]>;
57def : Processor<"cortex-a57", NoItineraries, [ProcA57]>;
58
59//===----------------------------------------------------------------------===//
60// Register File Description
61//===----------------------------------------------------------------------===//
62
63include "AArch64RegisterInfo.td"
64
65include "AArch64CallingConv.td"
66
67//===----------------------------------------------------------------------===//
68// Instruction Descriptions
69//===----------------------------------------------------------------------===//
70
71include "AArch64InstrInfo.td"
72
73def AArch64InstrInfo : InstrInfo {
74  let noNamedPositionallyEncodedOperands = 1;
75}
76
77//===----------------------------------------------------------------------===//
78// Declare the target which we are implementing
79//===----------------------------------------------------------------------===//
80
81def AArch64 : Target {
82  let InstructionSet = AArch64InstrInfo;
83}
84