SparcSubtarget.h revision 87c06d617917f4a388fbe9db81198e13cde3e431 
1//=====-- SparcSubtarget.h - Define Subtarget for the SPARC ----*- C++ -*-====//
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 declares the SPARC specific subclass of TargetSubtarget.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef SPARC_SUBTARGET_H
15#define SPARC_SUBTARGET_H
16
17#include "llvm/Target/TargetSubtarget.h"
18#include <string>
19
20namespace llvm {
21
22class SparcSubtarget : public TargetSubtarget {
23  bool IsV9;
24  bool V8DeprecatedInsts;
25  bool IsVIS;
26  bool Is64Bit;
27
28public:
29  SparcSubtarget(const std::string &TT, const std::string &FS, bool is64bit);
30
31  bool isV9() const { return IsV9; }
32  bool isVIS() const { return IsVIS; }
33  bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
34
35  /// ParseSubtargetFeatures - Parses features string setting specified
36  /// subtarget options.  Definition of function is auto generated by tblgen.
37  std::string ParseSubtargetFeatures(const std::string &FS,
38                                     const std::string &CPU);
39
40  bool is64Bit() const { return Is64Bit; }
41  std::string getDataLayout() const {
42    const char *p;
43    if (is64Bit()) {
44      p = "E-p:64:64:64-i64:64:64-f64:64:64-f128:128:128-n32:64";
45    } else {
46      p = "E-p:32:32:32-i64:64:64-f64:64:64-f128:64:64-n32";
47    }
48    return std::string(p);
49  }
50};
51
52} // end namespace llvm
53
54#endif
55