lib/Target/AArch64/AArch64.td

   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
  18 include "llvm/Target/Target.td"
  19
  20 //===----------------------------------------------------------------------===//
  21 // AArch64 Subtarget features.
  22 //
  23
  24 def FeatureFPARMv8 : SubtargetFeature<"fp-armv8", "HasFPARMv8", "true",
  25   "Enable ARMv8 FP">;
  26
  27 def FeatureNEON : SubtargetFeature<"neon", "HasNEON", "true",
  28   "Enable Advanced SIMD instructions", [FeatureFPARMv8]>;
  29
  30 def FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true",
  31   "Enable cryptographic instructions">;
  32
  33 //===----------------------------------------------------------------------===//
  34 // AArch64 Processors
  35 //
  36
  37 include "AArch64Schedule.td"
  38
  39 def : Processor<"generic", GenericItineraries, [FeatureFPARMv8]>;
  40
  41 //===----------------------------------------------------------------------===//
  42 // Register File Description
  43 //===----------------------------------------------------------------------===//
  44
  45 include "AArch64RegisterInfo.td"
  46
  47 include "AArch64CallingConv.td"
  48
  49 //===----------------------------------------------------------------------===//
  50 // Instruction Descriptions
  51 //===----------------------------------------------------------------------===//
  52
  53 include "AArch64InstrInfo.td"
  54
  55 def AArch64InstrInfo : InstrInfo;
  56
  57 //===----------------------------------------------------------------------===//
  58 // Assembly printer
  59 //===----------------------------------------------------------------------===//
  60
  61 def A64InstPrinter : AsmWriter {
  62   string AsmWriterClassName = "InstPrinter";
  63   bit isMCAsmWriter = 1;
  64 }
  65
  66 //===----------------------------------------------------------------------===//
  67 // Declare the target which we are implementing
  68 //===----------------------------------------------------------------------===//
  69
  70 def AArch64 : Target {
  71   let InstructionSet = AArch64InstrInfo;
  72   let AssemblyWriters = [A64InstPrinter];
  73 }