1480093f4SDimitry Andric //===-- VESubtarget.cpp - VE Subtarget Information ------------------------===// 2480093f4SDimitry Andric // 3480093f4SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4480093f4SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5480093f4SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6480093f4SDimitry Andric // 7480093f4SDimitry Andric //===----------------------------------------------------------------------===// 8480093f4SDimitry Andric // 9480093f4SDimitry Andric // This file implements the VE specific subclass of TargetSubtargetInfo. 10480093f4SDimitry Andric // 11480093f4SDimitry Andric //===----------------------------------------------------------------------===// 12480093f4SDimitry Andric 13480093f4SDimitry Andric #include "VESubtarget.h" 14480093f4SDimitry Andric #include "VE.h" 15480093f4SDimitry Andric #include "llvm/Support/MathExtras.h" 16480093f4SDimitry Andric #include "llvm/Support/TargetRegistry.h" 17480093f4SDimitry Andric 18480093f4SDimitry Andric using namespace llvm; 19480093f4SDimitry Andric 20480093f4SDimitry Andric #define DEBUG_TYPE "ve-subtarget" 21480093f4SDimitry Andric 22480093f4SDimitry Andric #define GET_SUBTARGETINFO_TARGET_DESC 23480093f4SDimitry Andric #define GET_SUBTARGETINFO_CTOR 24480093f4SDimitry Andric #include "VEGenSubtargetInfo.inc" 25480093f4SDimitry Andric 26480093f4SDimitry Andric void VESubtarget::anchor() {} 27480093f4SDimitry Andric 28480093f4SDimitry Andric VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU, 29480093f4SDimitry Andric StringRef FS) { 30*e8d8bef9SDimitry Andric // Default feature settings 31*e8d8bef9SDimitry Andric EnableVPU = false; 32*e8d8bef9SDimitry Andric 33480093f4SDimitry Andric // Determine default and user specified characteristics 345ffd83dbSDimitry Andric std::string CPUName = std::string(CPU); 35480093f4SDimitry Andric if (CPUName.empty()) 36*e8d8bef9SDimitry Andric CPUName = "generic"; 37480093f4SDimitry Andric 38480093f4SDimitry Andric // Parse features string. 39*e8d8bef9SDimitry Andric ParseSubtargetFeatures(CPUName, /*TuneCPU=*/CPU, FS); 40480093f4SDimitry Andric 41480093f4SDimitry Andric return *this; 42480093f4SDimitry Andric } 43480093f4SDimitry Andric 44480093f4SDimitry Andric VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU, 45480093f4SDimitry Andric const std::string &FS, const TargetMachine &TM) 46*e8d8bef9SDimitry Andric : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), 47480093f4SDimitry Andric InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), 48480093f4SDimitry Andric FrameLowering(*this) {} 49480093f4SDimitry Andric 50*e8d8bef9SDimitry Andric uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const { 51*e8d8bef9SDimitry Andric // Calculate adjusted frame size by adding the size of RSA frame, 52*e8d8bef9SDimitry Andric // return address, and frame poitner as described in VEFrameLowering.cpp. 53*e8d8bef9SDimitry Andric const VEFrameLowering *TFL = getFrameLowering(); 54480093f4SDimitry Andric 55*e8d8bef9SDimitry Andric FrameSize += getRsaSize(); 56*e8d8bef9SDimitry Andric FrameSize = alignTo(FrameSize, TFL->getStackAlign()); 57480093f4SDimitry Andric 58*e8d8bef9SDimitry Andric return FrameSize; 59480093f4SDimitry Andric } 60480093f4SDimitry Andric 61480093f4SDimitry Andric bool VESubtarget::enableMachineScheduler() const { return true; } 62