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
anchor()24 void SparcSubtarget::anchor() { }
25
SparcSubtarget(const std::string & TT,const std::string & CPU,const std::string & FS,bool is64Bit)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