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comparison lib/Target/Sparc/SparcSubtarget.h @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children e4204d083e25
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-1:000000000000 0:95c75e76d11b
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 TargetSubtargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #ifndef SPARC_SUBTARGET_H
15 #define SPARC_SUBTARGET_H
16
17 #include "llvm/Target/TargetSubtargetInfo.h"
18 #include <string>
19
20 #define GET_SUBTARGETINFO_HEADER
21 #include "SparcGenSubtargetInfo.inc"
22
23 namespace llvm {
24 class StringRef;
25
26 class SparcSubtarget : public SparcGenSubtargetInfo {
27 virtual void anchor();
28 bool IsV9;
29 bool V8DeprecatedInsts;
30 bool IsVIS;
31 bool Is64Bit;
32 bool HasHardQuad;
33
34 public:
35 SparcSubtarget(const std::string &TT, const std::string &CPU,
36 const std::string &FS, bool is64bit);
37
38 bool isV9() const { return IsV9; }
39 bool isVIS() const { return IsVIS; }
40 bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
41 bool hasHardQuad() const { return HasHardQuad; }
42
43 /// ParseSubtargetFeatures - Parses features string setting specified
44 /// subtarget options. Definition of function is auto generated by tblgen.
45 void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
46
47 bool is64Bit() const { return Is64Bit; }
48 std::string getDataLayout() const {
49 const char *p;
50 if (is64Bit()) {
51 p = "E-p:64:64:64-i64:64:64-f64:64:64-f128:128:128-n32:64";
52 } else {
53 p = "E-p:32:32:32-i64:64:64-f64:64:64-f128:64:64-n32";
54 }
55 return std::string(p);
56 }
57
58 /// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
59 /// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
60 int64_t getStackPointerBias() const {
61 return is64Bit() ? 2047 : 0;
62 }
63
64 /// Given a actual stack size as determined by FrameInfo, this function
65 /// returns adjusted framesize which includes space for register window
66 /// spills and arguments.
67 int getAdjustedFrameSize(int stackSize) const;
68
69 };
70
71 } // end namespace llvm
72
73 #endif