1//===-- AVRSubtarget.cpp - AVR Subtarget Information ----------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the AVR specific subclass of TargetSubtargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#include "AVRSubtarget.h"
14
15#include "llvm/BinaryFormat/ELF.h"
16#include "llvm/Support/TargetRegistry.h"
17
18#include "AVR.h"
19#include "AVRTargetMachine.h"
20#include "MCTargetDesc/AVRMCTargetDesc.h"
21
22#define DEBUG_TYPE "avr-subtarget"
23
24#define GET_SUBTARGETINFO_TARGET_DESC
25#define GET_SUBTARGETINFO_CTOR
26#include "AVRGenSubtargetInfo.inc"
27
28namespace llvm {
29
30AVRSubtarget::AVRSubtarget(const Triple &TT, const std::string &CPU,
31                           const std::string &FS, const AVRTargetMachine &TM)
32    : AVRGenSubtargetInfo(TT, CPU, /*TuneCPU*/ CPU, FS), ELFArch(0),
33
34      // Subtarget features
35      m_hasSRAM(false), m_hasJMPCALL(false), m_hasIJMPCALL(false),
36      m_hasEIJMPCALL(false), m_hasADDSUBIW(false), m_hasSmallStack(false),
37      m_hasMOVW(false), m_hasLPM(false), m_hasLPMX(false), m_hasELPM(false),
38      m_hasELPMX(false), m_hasSPM(false), m_hasSPMX(false), m_hasDES(false),
39      m_supportsRMW(false), m_supportsMultiplication(false), m_hasBREAK(false),
40      m_hasTinyEncoding(false), m_hasMemMappedGPR(false),
41      m_FeatureSetDummy(false),
42
43      InstrInfo(), FrameLowering(),
44      TLInfo(TM, initializeSubtargetDependencies(CPU, FS, TM)), TSInfo() {
45  // Parse features string.
46  ParseSubtargetFeatures(CPU, /*TuneCPU*/ CPU, FS);
47}
48
49AVRSubtarget &
50AVRSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS,
51                                              const TargetMachine &TM) {
52  // Parse features string.
53  ParseSubtargetFeatures(CPU, /*TuneCPU*/ CPU, FS);
54  return *this;
55}
56
57} // end of namespace llvm
58