Sparc.h revision 22fee2dff4c43b551aefa44a96ca74fcade6bfac 
1//===-- Sparc.h - Top-level interface for Sparc representation --*- 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 contains the entry points for global functions defined in the LLVM
11// Sparc back-end.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef TARGET_SPARC_H
16#define TARGET_SPARC_H
17
18#include "llvm/Support/ErrorHandling.h"
19#include "llvm/Target/TargetMachine.h"
20#include <cassert>
21
22namespace llvm {
23  class FunctionPass;
24  class SparcTargetMachine;
25  class formatted_raw_ostream;
26
27  FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
28  FunctionPass *createSparcDelaySlotFillerPass(TargetMachine &TM);
29  FunctionPass *createSparcFPMoverPass(TargetMachine &TM);
30
31  extern Target TheSparcTarget;
32  extern Target TheSparcV9Target;
33
34} // end namespace llvm;
35
36// Defines symbolic names for Sparc registers.  This defines a mapping from
37// register name to register number.
38//
39#define GET_REGINFO_ENUM
40#include "SparcGenRegisterInfo.inc"
41
42// Defines symbolic names for the Sparc instructions.
43//
44#define GET_INSTRINFO_ENUM
45#include "SparcGenInstrInfo.inc"
46
47
48namespace llvm {
49  // Enums corresponding to Sparc condition codes, both icc's and fcc's.  These
50  // values must be kept in sync with the ones in the .td file.
51  namespace SPCC {
52    enum CondCodes {
53      //ICC_A   =  8   ,  // Always
54      //ICC_N   =  0   ,  // Never
55      ICC_NE  =  9   ,  // Not Equal
56      ICC_E   =  1   ,  // Equal
57      ICC_G   = 10   ,  // Greater
58      ICC_LE  =  2   ,  // Less or Equal
59      ICC_GE  = 11   ,  // Greater or Equal
60      ICC_L   =  3   ,  // Less
61      ICC_GU  = 12   ,  // Greater Unsigned
62      ICC_LEU =  4   ,  // Less or Equal Unsigned
63      ICC_CC  = 13   ,  // Carry Clear/Great or Equal Unsigned
64      ICC_CS  =  5   ,  // Carry Set/Less Unsigned
65      ICC_POS = 14   ,  // Positive
66      ICC_NEG =  6   ,  // Negative
67      ICC_VC  = 15   ,  // Overflow Clear
68      ICC_VS  =  7   ,  // Overflow Set
69
70      //FCC_A   =  8+16,  // Always
71      //FCC_N   =  0+16,  // Never
72      FCC_U   =  7+16,  // Unordered
73      FCC_G   =  6+16,  // Greater
74      FCC_UG  =  5+16,  // Unordered or Greater
75      FCC_L   =  4+16,  // Less
76      FCC_UL  =  3+16,  // Unordered or Less
77      FCC_LG  =  2+16,  // Less or Greater
78      FCC_NE  =  1+16,  // Not Equal
79      FCC_E   =  9+16,  // Equal
80      FCC_UE  = 10+16,  // Unordered or Equal
81      FCC_GE  = 11+16,  // Greater or Equal
82      FCC_UGE = 12+16,  // Unordered or Greater or Equal
83      FCC_LE  = 13+16,  // Less or Equal
84      FCC_ULE = 14+16,  // Unordered or Less or Equal
85      FCC_O   = 15+16   // Ordered
86    };
87  }
88
89  inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
90    switch (CC) {
91    default: llvm_unreachable("Unknown condition code");
92    case SPCC::ICC_NE:  return "ne";
93    case SPCC::ICC_E:   return "e";
94    case SPCC::ICC_G:   return "g";
95    case SPCC::ICC_LE:  return "le";
96    case SPCC::ICC_GE:  return "ge";
97    case SPCC::ICC_L:   return "l";
98    case SPCC::ICC_GU:  return "gu";
99    case SPCC::ICC_LEU: return "leu";
100    case SPCC::ICC_CC:  return "cc";
101    case SPCC::ICC_CS:  return "cs";
102    case SPCC::ICC_POS: return "pos";
103    case SPCC::ICC_NEG: return "neg";
104    case SPCC::ICC_VC:  return "vc";
105    case SPCC::ICC_VS:  return "vs";
106    case SPCC::FCC_U:   return "u";
107    case SPCC::FCC_G:   return "g";
108    case SPCC::FCC_UG:  return "ug";
109    case SPCC::FCC_L:   return "l";
110    case SPCC::FCC_UL:  return "ul";
111    case SPCC::FCC_LG:  return "lg";
112    case SPCC::FCC_NE:  return "ne";
113    case SPCC::FCC_E:   return "e";
114    case SPCC::FCC_UE:  return "ue";
115    case SPCC::FCC_GE:  return "ge";
116    case SPCC::FCC_UGE: return "uge";
117    case SPCC::FCC_LE:  return "le";
118    case SPCC::FCC_ULE: return "ule";
119    case SPCC::FCC_O:   return "o";
120    }
121  }
122}  // end namespace llvm
123#endif
124