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//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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/IR/DataLayout.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetSubtargetInfo.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 InsertNOPLoad;
bool FixAllFDIVSQRT;
bool DetectRoundChange;
bool PerformSDIVReplace;
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 performSDIVReplace() const { return PerformSDIVReplace; }
bool hasLeonCasa() const { return HasLeonCasa; }
bool insertNOPLoad() const { return InsertNOPLoad; }
bool fixAllFDIVSQRT() const { return FixAllFDIVSQRT; }
bool detectRoundChange() const { return DetectRoundChange; }
/// 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
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