AArch64.td revision 263508 
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
39def : Processor<"generic", GenericItineraries, [FeatureFPARMv8]>;
40
41//===----------------------------------------------------------------------===//
42// Register File Description
43//===----------------------------------------------------------------------===//
44
45include "AArch64RegisterInfo.td"
46
47include "AArch64CallingConv.td"
48
49//===----------------------------------------------------------------------===//
50// Instruction Descriptions
51//===----------------------------------------------------------------------===//
52
53include "AArch64InstrInfo.td"
54
55def AArch64InstrInfo : InstrInfo;
56
57//===----------------------------------------------------------------------===//
58// Assembly printer
59//===----------------------------------------------------------------------===//
60
61def A64InstPrinter : AsmWriter {
62  string AsmWriterClassName = "InstPrinter";
63  bit isMCAsmWriter = 1;
64}
65
66//===----------------------------------------------------------------------===//
67// Declare the target which we are implementing
68//===----------------------------------------------------------------------===//
69
70def AArch64 : Target {
71  let InstructionSet = AArch64InstrInfo;
72  let AssemblyWriters = [A64InstPrinter];
73}
74