//===- AArch64.td - Describe the AArch64 Target Machine -------*- tblgen -*-==//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is the top level entry point for the AArch64 target.
//
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
// Target-independent interfaces
//===----------------------------------------------------------------------===//

include "llvm/Target/Target.td"

//===----------------------------------------------------------------------===//
// AArch64 Subtarget features.
//

def FeatureFPARMv8 : SubtargetFeature<"fp-armv8", "HasFPARMv8", "true",
  "Enable ARMv8 FP">;

def FeatureNEON : SubtargetFeature<"neon", "HasNEON", "true",
  "Enable Advanced SIMD instructions", [FeatureFPARMv8]>;

def FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true",
  "Enable cryptographic instructions">;

//===----------------------------------------------------------------------===//
// AArch64 Processors
//

include "AArch64Schedule.td"

def : Processor<"generic", GenericItineraries, [FeatureFPARMv8]>;

//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//

include "AArch64RegisterInfo.td"

include "AArch64CallingConv.td"

//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//

include "AArch64InstrInfo.td"

def AArch64InstrInfo : InstrInfo;

//===----------------------------------------------------------------------===//
// Assembly printer
//===----------------------------------------------------------------------===//

def A64InstPrinter : AsmWriter {
  string AsmWriterClassName = "InstPrinter";
  bit isMCAsmWriter = 1;
}

//===----------------------------------------------------------------------===//
// Declare the target which we are implementing
//===----------------------------------------------------------------------===//

def AArch64 : Target {
  let InstructionSet = AArch64InstrInfo;
  let AssemblyWriters = [A64InstPrinter];
}