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/MC/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 28 namespace llvm { 29 30 AVRSubtarget::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 TLInfo(TM, initializeSubtargetDependencies(CPU, FS, TM)) { 44 // Parse features string. 45 ParseSubtargetFeatures(CPU, /*TuneCPU*/ CPU, FS); 46 } 47 48 AVRSubtarget & 49 AVRSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS, 50 const TargetMachine &TM) { 51 // Parse features string. 52 ParseSubtargetFeatures(CPU, /*TuneCPU*/ CPU, FS); 53 return *this; 54 } 55 56 } // end of namespace llvm 57