69 lines · cpp
1//===-- VESubtarget.cpp - VE 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-exception6//7//===----------------------------------------------------------------------===//8//9// This file implements the VE specific subclass of TargetSubtargetInfo.10//11//===----------------------------------------------------------------------===//12 13#include "VESubtarget.h"14#include "VESelectionDAGInfo.h"15#include "llvm/MC/TargetRegistry.h"16 17using namespace llvm;18 19#define DEBUG_TYPE "ve-subtarget"20 21#define GET_SUBTARGETINFO_TARGET_DESC22#define GET_SUBTARGETINFO_CTOR23#include "VEGenSubtargetInfo.inc"24 25void VESubtarget::anchor() {}26 27VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU,28 StringRef FS) {29 // Default feature settings30 EnableVPU = false;31 32 // Determine default and user specified characteristics33 std::string CPUName = std::string(CPU);34 if (CPUName.empty())35 CPUName = "generic";36 37 // Parse features string.38 ParseSubtargetFeatures(CPUName, /*TuneCPU=*/CPU, FS);39 40 return *this;41}42 43VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU,44 const std::string &FS, const TargetMachine &TM)45 : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT),46 InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),47 FrameLowering(*this) {48 TSInfo = std::make_unique<VESelectionDAGInfo>();49}50 51VESubtarget::~VESubtarget() = default;52 53const SelectionDAGTargetInfo *VESubtarget::getSelectionDAGInfo() const {54 return TSInfo.get();55}56 57uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const {58 // Calculate adjusted frame size by adding the size of RSA frame,59 // return address, and frame poitner as described in VEFrameLowering.cpp.60 const VEFrameLowering *TFL = getFrameLowering();61 62 FrameSize += getRsaSize();63 FrameSize = alignTo(FrameSize, TFL->getStackAlign());64 65 return FrameSize;66}67 68bool VESubtarget::enableMachineScheduler() const { return true; }69