| //===-- MSP430Subtarget.cpp - MSP430 Subtarget Information ----------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the MSP430 specific subclass of TargetSubtargetInfo. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "MSP430Subtarget.h" |
| #include "MSP430.h" |
| #include "llvm/MC/TargetRegistry.h" |
| |
| using namespace llvm; |
| |
| #define DEBUG_TYPE "msp430-subtarget" |
| |
| static cl::opt<MSP430Subtarget::HWMultEnum> |
| HWMultModeOption("mhwmult", cl::Hidden, |
| cl::desc("Hardware multiplier use mode for MSP430"), |
| cl::init(MSP430Subtarget::NoHWMult), |
| cl::values( |
| clEnumValN(MSP430Subtarget::NoHWMult, "none", |
| "Do not use hardware multiplier"), |
| clEnumValN(MSP430Subtarget::HWMult16, "16bit", |
| "Use 16-bit hardware multiplier"), |
| clEnumValN(MSP430Subtarget::HWMult32, "32bit", |
| "Use 32-bit hardware multiplier"), |
| clEnumValN(MSP430Subtarget::HWMultF5, "f5series", |
| "Use F5 series hardware multiplier"))); |
| |
| #define GET_SUBTARGETINFO_TARGET_DESC |
| #define GET_SUBTARGETINFO_CTOR |
| #include "MSP430GenSubtargetInfo.inc" |
| |
| void MSP430Subtarget::anchor() { } |
| |
| MSP430Subtarget & |
| MSP430Subtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) { |
| ExtendedInsts = false; |
| HWMultMode = NoHWMult; |
| |
| StringRef CPUName = CPU; |
| if (CPUName.empty()) |
| CPUName = "msp430"; |
| |
| ParseSubtargetFeatures(CPUName, /*TuneCPU*/ CPUName, FS); |
| |
| if (HWMultModeOption != NoHWMult) |
| HWMultMode = HWMultModeOption; |
| |
| return *this; |
| } |
| |
| MSP430Subtarget::MSP430Subtarget(const Triple &TT, const std::string &CPU, |
| const std::string &FS, const TargetMachine &TM) |
| : MSP430GenSubtargetInfo(TT, CPU, /*TuneCPU*/ CPU, FS), FrameLowering(), |
| InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this) {} |