llvm-6502/lib/Target/Sparc/SparcSubtarget.h

//=====-- 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 TargetSubtarget.
//
//===----------------------------------------------------------------------===//

#ifndef SPARC_SUBTARGET_H
#define SPARC_SUBTARGET_H

#include "llvm/Target/TargetSubtarget.h"
#include <string>

namespace llvm {

class SparcSubtarget : public TargetSubtarget {
  bool IsV9;
  bool V8DeprecatedInsts;
  bool IsVIS;
  bool Is64Bit;
  
public:
  SparcSubtarget(const std::string &TT, const std::string &FS, bool is64bit);

  bool isV9() const { return IsV9; }
  bool isVIS() const { return IsVIS; }
  bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
  
  /// ParseSubtargetFeatures - Parses features string setting specified 
  /// subtarget options.  Definition of function is auto generated by tblgen.
  std::string ParseSubtargetFeatures(const std::string &FS,
                                     const std::string &CPU);
  
  bool is64Bit() const { return Is64Bit; }
  std::string getDataLayout() const {
    const char *p;
    if (is64Bit()) {
      p = "E-p:64:64:64-i64:64:64-f64:64:64-f128:128:128-n32:64";
    } else {
      p = "E-p:32:32:32-i64:64:64-f64:64:64-f128:64:64-n32";
    }
    return std::string(p);
  }
};

} // end namespace llvm

#endif