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 "VE.h" 15 #include "llvm/MC/TargetRegistry.h" 16 #include "llvm/Support/MathExtras.h" 17 18 using namespace llvm; 19 20 #define DEBUG_TYPE "ve-subtarget" 21 22 #define GET_SUBTARGETINFO_TARGET_DESC 23 #define GET_SUBTARGETINFO_CTOR 24 #include "VEGenSubtargetInfo.inc" 25 26 void VESubtarget::anchor() {} 27 28 VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU, 29 StringRef FS) { 30 // Default feature settings 31 EnableVPU = false; 32 33 // Determine default and user specified characteristics 34 std::string CPUName = std::string(CPU); 35 if (CPUName.empty()) 36 CPUName = "generic"; 37 38 // Parse features string. 39 ParseSubtargetFeatures(CPUName, /*TuneCPU=*/CPU, FS); 40 41 return *this; 42 } 43 44 VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU, 45 const std::string &FS, const TargetMachine &TM) 46 : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), 47 InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), 48 FrameLowering(*this) {} 49 50 uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const { 51 // Calculate adjusted frame size by adding the size of RSA frame, 52 // return address, and frame poitner as described in VEFrameLowering.cpp. 53 const VEFrameLowering *TFL = getFrameLowering(); 54 55 FrameSize += getRsaSize(); 56 FrameSize = alignTo(FrameSize, TFL->getStackAlign()); 57 58 return FrameSize; 59 } 60 61 bool VESubtarget::enableMachineScheduler() const { return true; } 62