1 //===- XtensaSubtarget.cpp - Xtensa 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 Xtensa specific subclass of TargetSubtargetInfo. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "XtensaSubtarget.h" 14 #include "llvm/IR/GlobalValue.h" 15 #include "llvm/Support/Debug.h" 16 17 #define DEBUG_TYPE "xtensa-subtarget" 18 19 #define GET_SUBTARGETINFO_TARGET_DESC 20 #define GET_SUBTARGETINFO_CTOR 21 #include "XtensaGenSubtargetInfo.inc" 22 23 using namespace llvm; 24 25 XtensaSubtarget & 26 XtensaSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) { 27 StringRef CPUName = CPU; 28 if (CPUName.empty()) { 29 // set default cpu name 30 CPUName = "generic"; 31 } 32 33 HasDensity = false; 34 35 // Parse features string. 36 ParseSubtargetFeatures(CPUName, CPUName, FS); 37 return *this; 38 } 39 40 XtensaSubtarget::XtensaSubtarget(const Triple &TT, StringRef CPU, StringRef FS, 41 const TargetMachine &TM) 42 : XtensaGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), 43 InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), 44 TSInfo(), FrameLowering(*this) {} 45