mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-28 22:29:56 +00:00
so that we can use initializer lists for the AArch64 Subtarget. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210616 91177308-0d34-0410-b5e6-96231b3b80d8
133 lines
4.6 KiB
C++
133 lines
4.6 KiB
C++
//===--- AArch64Subtarget.h - Define Subtarget for the AArch64 -*- 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 AArch64 specific subclass of TargetSubtarget.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef AArch64SUBTARGET_H
|
|
#define AArch64SUBTARGET_H
|
|
|
|
#include "AArch64InstrInfo.h"
|
|
#include "AArch64FrameLowering.h"
|
|
#include "AArch64ISelLowering.h"
|
|
#include "AArch64RegisterInfo.h"
|
|
#include "AArch64SelectionDAGInfo.h"
|
|
#include "llvm/IR/DataLayout.h"
|
|
#include "llvm/Target/TargetSubtargetInfo.h"
|
|
#include <string>
|
|
|
|
#define GET_SUBTARGETINFO_HEADER
|
|
#include "AArch64GenSubtargetInfo.inc"
|
|
|
|
namespace llvm {
|
|
class GlobalValue;
|
|
class StringRef;
|
|
|
|
class AArch64Subtarget : public AArch64GenSubtargetInfo {
|
|
protected:
|
|
enum ARMProcFamilyEnum {Others, CortexA53, CortexA57, Cyclone};
|
|
|
|
/// ARMProcFamily - ARM processor family: Cortex-A53, Cortex-A57, and others.
|
|
ARMProcFamilyEnum ARMProcFamily;
|
|
|
|
bool HasFPARMv8;
|
|
bool HasNEON;
|
|
bool HasCrypto;
|
|
bool HasCRC;
|
|
|
|
// HasZeroCycleRegMove - Has zero-cycle register mov instructions.
|
|
bool HasZeroCycleRegMove;
|
|
|
|
// HasZeroCycleZeroing - Has zero-cycle zeroing instructions.
|
|
bool HasZeroCycleZeroing;
|
|
|
|
/// CPUString - String name of used CPU.
|
|
std::string CPUString;
|
|
|
|
/// TargetTriple - What processor and OS we're targeting.
|
|
Triple TargetTriple;
|
|
|
|
const DataLayout DL;
|
|
AArch64FrameLowering FrameLowering;
|
|
AArch64InstrInfo InstrInfo;
|
|
AArch64SelectionDAGInfo TSInfo;
|
|
AArch64TargetLowering TLInfo;
|
|
private:
|
|
/// initializeSubtargetDependencies - Initializes using CPUString and the
|
|
/// passed in feature string so that we can use initializer lists for
|
|
/// subtarget initialization.
|
|
AArch64Subtarget &initializeSubtargetDependencies(StringRef FS);
|
|
|
|
public:
|
|
/// This constructor initializes the data members to match that
|
|
/// of the specified triple.
|
|
AArch64Subtarget(const std::string &TT, const std::string &CPU,
|
|
const std::string &FS, TargetMachine &TM, bool LittleEndian);
|
|
|
|
const AArch64SelectionDAGInfo *getSelectionDAGInfo() const { return &TSInfo; }
|
|
const AArch64FrameLowering *getFrameLowering() const {
|
|
return &FrameLowering;
|
|
}
|
|
const AArch64TargetLowering *getTargetLowering() const {
|
|
return &TLInfo;
|
|
}
|
|
const AArch64InstrInfo *getInstrInfo() const { return &InstrInfo; }
|
|
const DataLayout *getDataLayout() const { return &DL; }
|
|
bool enableMachineScheduler() const override { return true; }
|
|
|
|
bool hasZeroCycleRegMove() const { return HasZeroCycleRegMove; }
|
|
|
|
bool hasZeroCycleZeroing() const { return HasZeroCycleZeroing; }
|
|
|
|
bool hasFPARMv8() const { return HasFPARMv8; }
|
|
bool hasNEON() const { return HasNEON; }
|
|
bool hasCrypto() const { return HasCrypto; }
|
|
bool hasCRC() const { return HasCRC; }
|
|
|
|
bool isLittleEndian() const { return DL.isLittleEndian(); }
|
|
|
|
bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); }
|
|
|
|
bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
|
|
|
|
bool isTargetMachO() const { return TargetTriple.isOSBinFormatMachO(); }
|
|
|
|
bool isCyclone() const { return CPUString == "cyclone"; }
|
|
|
|
/// getMaxInlineSizeThreshold - Returns the maximum memset / memcpy size
|
|
/// that still makes it profitable to inline the call.
|
|
unsigned getMaxInlineSizeThreshold() const { return 64; }
|
|
|
|
/// ParseSubtargetFeatures - Parses features string setting specified
|
|
/// subtarget options. Definition of function is auto generated by tblgen.
|
|
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
|
|
|
|
/// ClassifyGlobalReference - Find the target operand flags that describe
|
|
/// how a global value should be referenced for the current subtarget.
|
|
unsigned char ClassifyGlobalReference(const GlobalValue *GV,
|
|
const TargetMachine &TM) const;
|
|
|
|
/// This function returns the name of a function which has an interface
|
|
/// like the non-standard bzero function, if such a function exists on
|
|
/// the current subtarget and it is considered prefereable over
|
|
/// memset with zero passed as the second argument. Otherwise it
|
|
/// returns null.
|
|
const char *getBZeroEntry() const;
|
|
|
|
void overrideSchedPolicy(MachineSchedPolicy &Policy, MachineInstr *begin,
|
|
MachineInstr *end,
|
|
unsigned NumRegionInstrs) const override;
|
|
|
|
bool enableEarlyIfConversion() const override;
|
|
};
|
|
} // End llvm namespace
|
|
|
|
#endif // AArch64SUBTARGET_H
|