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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file implements the VE specific subclass of TargetSubtargetInfo. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "VESubtarget.h" 14 #include "llvm/MC/TargetRegistry.h" 15 16 using namespace llvm; 17 18 #define DEBUG_TYPE "ve-subtarget" 19 20 #define GET_SUBTARGETINFO_TARGET_DESC 21 #define GET_SUBTARGETINFO_CTOR 22 #include "VEGenSubtargetInfo.inc" 23 24 void VESubtarget::anchor() {} 25 26 VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU, 27 StringRef FS) { 28 // Default feature settings 29 EnableVPU = false; 30 31 // Determine default and user specified characteristics 32 std::string CPUName = std::string(CPU); 33 if (CPUName.empty()) 34 CPUName = "generic"; 35 36 // Parse features string. 37 ParseSubtargetFeatures(CPUName, /*TuneCPU=*/CPU, FS); 38 39 return *this; 40 } 41 42 VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU, 43 const std::string &FS, const TargetMachine &TM) 44 : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), 45 InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), 46 FrameLowering(*this) {} 47 48 uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const { 49 // Calculate adjusted frame size by adding the size of RSA frame, 50 // return address, and frame poitner as described in VEFrameLowering.cpp. 51 const VEFrameLowering *TFL = getFrameLowering(); 52 53 FrameSize += getRsaSize(); 54 FrameSize = alignTo(FrameSize, TFL->getStackAlign()); 55 56 return FrameSize; 57 } 58 59 bool VESubtarget::enableMachineScheduler() const { return true; } 60