| //===-- LoongArchSubtarget.cpp - LoongArch Subtarget Information -*- C++ -*--=// |
| // |
| // 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 LoongArch specific subclass of TargetSubtargetInfo. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "LoongArchSubtarget.h" |
| #include "LoongArchFrameLowering.h" |
| |
| using namespace llvm; |
| |
| #define DEBUG_TYPE "loongarch-subtarget" |
| |
| #define GET_SUBTARGETINFO_TARGET_DESC |
| #define GET_SUBTARGETINFO_CTOR |
| #include "LoongArchGenSubtargetInfo.inc" |
| |
| void LoongArchSubtarget::anchor() {} |
| |
| LoongArchSubtarget &LoongArchSubtarget::initializeSubtargetDependencies( |
| const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS, |
| StringRef ABIName) { |
| bool Is64Bit = TT.isArch64Bit(); |
| if (CPU.empty() || CPU == "generic") |
| CPU = Is64Bit ? "generic-la64" : "generic-la32"; |
| |
| if (TuneCPU.empty()) |
| TuneCPU = CPU; |
| |
| ParseSubtargetFeatures(CPU, TuneCPU, FS); |
| if (Is64Bit) { |
| GRLenVT = MVT::i64; |
| GRLen = 64; |
| } |
| |
| if (HasLA32 == HasLA64) |
| report_fatal_error("Please use one feature of 32bit and 64bit."); |
| |
| if (Is64Bit && HasLA32) |
| report_fatal_error("Feature 32bit should be used for loongarch32 target."); |
| |
| if (!Is64Bit && HasLA64) |
| report_fatal_error("Feature 64bit should be used for loongarch64 target."); |
| |
| // TODO: ILP32{S,F} LP64{S,F} |
| TargetABI = Is64Bit ? LoongArchABI::ABI_LP64D : LoongArchABI::ABI_ILP32D; |
| return *this; |
| } |
| |
| LoongArchSubtarget::LoongArchSubtarget(const Triple &TT, StringRef CPU, |
| StringRef TuneCPU, StringRef FS, |
| StringRef ABIName, |
| const TargetMachine &TM) |
| : LoongArchGenSubtargetInfo(TT, CPU, TuneCPU, FS), |
| FrameLowering( |
| initializeSubtargetDependencies(TT, CPU, TuneCPU, FS, ABIName)), |
| InstrInfo(*this), RegInfo(getHwMode()), TLInfo(TM, *this) {} |