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Diffstat (limited to 'llvm/lib/Target/Sparc/SparcSubtarget.h')
-rw-r--r-- | llvm/lib/Target/Sparc/SparcSubtarget.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/llvm/lib/Target/Sparc/SparcSubtarget.h b/llvm/lib/Target/Sparc/SparcSubtarget.h new file mode 100644 index 000000000000..db19f99e3c9c --- /dev/null +++ b/llvm/lib/Target/Sparc/SparcSubtarget.h @@ -0,0 +1,125 @@ +//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- 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 declares the SPARC specific subclass of TargetSubtargetInfo. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_SPARC_SPARCSUBTARGET_H +#define LLVM_LIB_TARGET_SPARC_SPARCSUBTARGET_H + +#include "SparcFrameLowering.h" +#include "SparcISelLowering.h" +#include "SparcInstrInfo.h" +#include "llvm/CodeGen/SelectionDAGTargetInfo.h" +#include "llvm/CodeGen/TargetFrameLowering.h" +#include "llvm/CodeGen/TargetSubtargetInfo.h" +#include "llvm/IR/DataLayout.h" +#include <string> + +#define GET_SUBTARGETINFO_HEADER +#include "SparcGenSubtargetInfo.inc" + +namespace llvm { +class StringRef; + +class SparcSubtarget : public SparcGenSubtargetInfo { + Triple TargetTriple; + virtual void anchor(); + bool UseSoftMulDiv; + bool IsV9; + bool IsLeon; + bool V8DeprecatedInsts; + bool IsVIS, IsVIS2, IsVIS3; + bool Is64Bit; + bool HasHardQuad; + bool UsePopc; + bool UseSoftFloat; + bool HasNoFSMULD; + bool HasNoFMULS; + + // LEON features + bool HasUmacSmac; + bool HasLeonCasa; + bool HasPWRPSR; + bool InsertNOPLoad; + bool FixAllFDIVSQRT; + bool DetectRoundChange; + bool HasLeonCycleCounter; + + SparcInstrInfo InstrInfo; + SparcTargetLowering TLInfo; + SelectionDAGTargetInfo TSInfo; + SparcFrameLowering FrameLowering; + +public: + SparcSubtarget(const Triple &TT, const std::string &CPU, + const std::string &FS, const TargetMachine &TM, bool is64bit); + + const SparcInstrInfo *getInstrInfo() const override { return &InstrInfo; } + const TargetFrameLowering *getFrameLowering() const override { + return &FrameLowering; + } + const SparcRegisterInfo *getRegisterInfo() const override { + return &InstrInfo.getRegisterInfo(); + } + const SparcTargetLowering *getTargetLowering() const override { + return &TLInfo; + } + const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { + return &TSInfo; + } + + bool enableMachineScheduler() const override; + + bool useSoftMulDiv() const { return UseSoftMulDiv; } + bool isV9() const { return IsV9; } + bool isLeon() const { return IsLeon; } + bool isVIS() const { return IsVIS; } + bool isVIS2() const { return IsVIS2; } + bool isVIS3() const { return IsVIS3; } + bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; } + bool hasHardQuad() const { return HasHardQuad; } + bool usePopc() const { return UsePopc; } + bool useSoftFloat() const { return UseSoftFloat; } + bool hasNoFSMULD() const { return HasNoFSMULD; } + bool hasNoFMULS() const { return HasNoFMULS; } + + // Leon options + bool hasUmacSmac() const { return HasUmacSmac; } + bool hasLeonCasa() const { return HasLeonCasa; } + bool hasPWRPSR() const { return HasPWRPSR; } + bool insertNOPLoad() const { return InsertNOPLoad; } + bool fixAllFDIVSQRT() const { return FixAllFDIVSQRT; } + bool detectRoundChange() const { return DetectRoundChange; } + bool hasLeonCycleCounter() const { return HasLeonCycleCounter; } + + /// ParseSubtargetFeatures - Parses features string setting specified + /// subtarget options. Definition of function is auto generated by tblgen. + void ParseSubtargetFeatures(StringRef CPU, StringRef FS); + SparcSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); + + bool is64Bit() const { return Is64Bit; } + + /// The 64-bit ABI uses biased stack and frame pointers, so the stack frame + /// of the current function is the area from [%sp+BIAS] to [%fp+BIAS]. + int64_t getStackPointerBias() const { + return is64Bit() ? 2047 : 0; + } + + /// Given a actual stack size as determined by FrameInfo, this function + /// returns adjusted framesize which includes space for register window + /// spills and arguments. + int getAdjustedFrameSize(int stackSize) const; + + bool isTargetLinux() const { return TargetTriple.isOSLinux(); } +}; + +} // end namespace llvm + +#endif |