mirror of
https://github.com/c64scene-ar/llvm-6502.git
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642eccbb21
All string occurences for "sparc", "Sparc" and "SPARC" were already replaced, with the exception of ELF constans in the object file descriptor as it will get removed later on (we won't be building ELF object files for the 6502).
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
//===-- Mos6502Subtarget.h - Define Subtarget for the MOS6502 -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the MOS6502 specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MOS6502_MOS6502SUBTARGET_H
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#define LLVM_LIB_TARGET_MOS6502_MOS6502SUBTARGET_H
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#include "Mos6502FrameLowering.h"
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#include "Mos6502InstrInfo.h"
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#include "Mos6502ISelLowering.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Target/TargetFrameLowering.h"
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#include "llvm/Target/TargetSelectionDAGInfo.h"
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#include "llvm/Target/TargetSubtargetInfo.h"
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#include <string>
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#define GET_SUBTARGETINFO_HEADER
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#include "Mos6502GenSubtargetInfo.inc"
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namespace llvm {
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class StringRef;
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class Mos6502Subtarget : public Mos6502GenSubtargetInfo {
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virtual void anchor();
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bool IsV9;
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bool V8DeprecatedInsts;
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bool IsVIS, IsVIS2, IsVIS3;
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bool Is64Bit;
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bool HasHardQuad;
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bool UsePopc;
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Mos6502InstrInfo InstrInfo;
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Mos6502TargetLowering TLInfo;
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TargetSelectionDAGInfo TSInfo;
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Mos6502FrameLowering FrameLowering;
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public:
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Mos6502Subtarget(const Triple &TT, const std::string &CPU,
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const std::string &FS, TargetMachine &TM, bool is64bit);
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const Mos6502InstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const TargetFrameLowering *getFrameLowering() const override {
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return &FrameLowering;
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}
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const Mos6502RegisterInfo *getRegisterInfo() const override {
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return &InstrInfo.getRegisterInfo();
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}
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const Mos6502TargetLowering *getTargetLowering() const override {
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return &TLInfo;
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}
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const TargetSelectionDAGInfo *getSelectionDAGInfo() const override {
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return &TSInfo;
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}
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bool isV9() const { return IsV9; }
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bool isVIS() const { return IsVIS; }
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bool isVIS2() const { return IsVIS2; }
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bool isVIS3() const { return IsVIS3; }
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bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
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bool hasHardQuad() const { return HasHardQuad; }
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bool usePopc() const { return UsePopc; }
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/// ParseSubtargetFeatures - Parses features string setting specified
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/// subtarget options. Definition of function is auto generated by tblgen.
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void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
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Mos6502Subtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
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bool is64Bit() const { return Is64Bit; }
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/// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
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/// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
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int64_t getStackPointerBias() const {
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return is64Bit() ? 2047 : 0;
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}
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/// Given a actual stack size as determined by FrameInfo, this function
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/// returns adjusted framesize which includes space for register window
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/// spills and arguments.
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int getAdjustedFrameSize(int stackSize) const;
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};
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} // end namespace llvm
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#endif
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