1 //===- SparcSubtarget.cpp - SPARC Subtarget Information -------------------===// 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 implements the SPARC specific subclass of TargetSubtargetInfo. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "SparcSubtarget.h" 15 16 #define GET_SUBTARGETINFO_CTOR 17 #define GET_SUBTARGETINFO_MC_DESC 18 #define GET_SUBTARGETINFO_TARGET_DESC 19 #include "SparcGenSubtargetInfo.inc" 20 21 using namespace llvm; 22 23 SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &CPU, 24 const std::string &FS, bool is64Bit) : 25 SparcGenSubtargetInfo(TT, CPU, FS), 26 IsV9(false), 27 V8DeprecatedInsts(false), 28 IsVIS(false), 29 Is64Bit(is64Bit) { 30 31 // Determine default and user specified characteristics 32 std::string CPUName = CPU; 33 if (CPUName.empty()) { 34 if (is64Bit) 35 CPUName = "v9"; 36 else 37 CPUName = "v8"; 38 } 39 IsV9 = CPUName == "v9"; 40 41 // Parse features string. 42 ParseSubtargetFeatures(CPUName, FS); 43 } 44