SparcSubtarget.cpp revision 385e930d55f3ecd3c9538823dfa5896a12461845 
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
21using namespace llvm;
22
23SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &CPU,
24                               const std::string &FS,  bool is64Bit) :
25  SparcGenSubtargetInfo(),
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(FS, CPUName);
43}
44