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
SparcSubtarget(const std::string & TT,const std::string & CPU,const std::string & FS,bool is64Bit)24 SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &CPU,
25 const std::string &FS, bool is64Bit) :
26 SparcGenSubtargetInfo(TT, CPU, FS),
27 IsV9(false),
28 V8DeprecatedInsts(false),
29 IsVIS(false),
30 Is64Bit(is64Bit) {
31
32 // Determine default and user specified characteristics
33 std::string CPUName = CPU;
34 if (CPUName.empty()) {
35 if (is64Bit)
36 CPUName = "v9";
37 else
38 CPUName = "v8";
39 }
40 IsV9 = CPUName == "v9";
41
42 // Parse features string.
43 ParseSubtargetFeatures(CPUName, FS);
44 }
45