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 isV9()36 bool isV9() const { return IsV9; } isVIS()37 bool isVIS() const { return IsVIS; } useDeprecatedV8Instructions()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 is64Bit()44 bool is64Bit() const { return Is64Bit; } getDataLayout()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