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      1 //=====-- SparcSubtarget.h - Define Subtarget for the SPARC ----*- C++ -*-====//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file declares the SPARC specific subclass of TargetSubtargetInfo.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef SPARC_SUBTARGET_H
     15 #define SPARC_SUBTARGET_H
     16 
     17 #include "llvm/Target/TargetSubtargetInfo.h"
     18 #include <string>
     19 
     20 #define GET_SUBTARGETINFO_HEADER
     21 #include "SparcGenSubtargetInfo.inc"
     22 
     23 namespace llvm {
     24 class StringRef;
     25 
     26 class SparcSubtarget : public SparcGenSubtargetInfo {
     27   bool IsV9;
     28   bool V8DeprecatedInsts;
     29   bool IsVIS;
     30   bool Is64Bit;
     31 
     32 public:
     33   SparcSubtarget(const std::string &TT, const std::string &CPU,
     34                  const std::string &FS, bool is64bit);
     35 
     36   bool isV9() const { return IsV9; }
     37   bool isVIS() const { return IsVIS; }
     38   bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
     39 
     40   /// ParseSubtargetFeatures - Parses features string setting specified
     41   /// subtarget options.  Definition of function is auto generated by tblgen.
     42   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
     43 
     44   bool is64Bit() const { return Is64Bit; }
     45   std::string getDataLayout() const {
     46     const char *p;
     47     if (is64Bit()) {
     48       p = "E-p:64:64:64-i64:64:64-f64:64:64-f128:128:128-n32:64";
     49     } else {
     50       p = "E-p:32:32:32-i64:64:64-f64:64:64-f128:64:64-n32";
     51     }
     52     return std::string(p);
     53   }
     54 };
     55 
     56 } // end namespace llvm
     57 
     58 #endif
     59