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      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 #include "Sparc.h"
     16 #include "llvm/Support/TargetRegistry.h"
     17 
     18 #define GET_SUBTARGETINFO_TARGET_DESC
     19 #define GET_SUBTARGETINFO_CTOR
     20 #include "SparcGenSubtargetInfo.inc"
     21 
     22 using namespace llvm;
     23 
     24 void SparcSubtarget::anchor() { }
     25 
     26 SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &CPU,
     27                                const std::string &FS,  bool is64Bit) :
     28   SparcGenSubtargetInfo(TT, CPU, FS),
     29   IsV9(false),
     30   V8DeprecatedInsts(false),
     31   IsVIS(false),
     32   Is64Bit(is64Bit) {
     33 
     34   // Determine default and user specified characteristics
     35   std::string CPUName = CPU;
     36   if (CPUName.empty()) {
     37     if (is64Bit)
     38       CPUName = "v9";
     39     else
     40       CPUName = "v8";
     41   }
     42   IsV9 = CPUName == "v9";
     43 
     44   // Parse features string.
     45   ParseSubtargetFeatures(CPUName, FS);
     46 }
     47