aboutsummaryrefslogtreecommitdiff
path: root/lib/Target/Sparc/Sparc.h
blob: 133af8694139c7c0d8a894879eaa773742acad0e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
//===-- Sparc.h - Top-level interface for Sparc representation --*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// Sparc back-end.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_SPARC_SPARC_H
#define LLVM_LIB_TARGET_SPARC_SPARC_H

#include "MCTargetDesc/SparcMCTargetDesc.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetMachine.h"

namespace llvm {
  class FunctionPass;
  class SparcTargetMachine;
  class formatted_raw_ostream;
  class AsmPrinter;
  class MCInst;
  class MachineInstr;

  FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
  FunctionPass *createSparcDelaySlotFillerPass(TargetMachine &TM);

  void LowerSparcMachineInstrToMCInst(const MachineInstr *MI,
                                      MCInst &OutMI,
                                      AsmPrinter &AP);
} // namespace llvm

namespace llvm {
  // Enums corresponding to Sparc condition codes, both icc's and fcc's.  These
  // values must be kept in sync with the ones in the .td file.
  namespace SPCC {
    enum CondCodes {
      ICC_A   =  8   ,  // Always
      ICC_N   =  0   ,  // Never
      ICC_NE  =  9   ,  // Not Equal
      ICC_E   =  1   ,  // Equal
      ICC_G   = 10   ,  // Greater
      ICC_LE  =  2   ,  // Less or Equal
      ICC_GE  = 11   ,  // Greater or Equal
      ICC_L   =  3   ,  // Less
      ICC_GU  = 12   ,  // Greater Unsigned
      ICC_LEU =  4   ,  // Less or Equal Unsigned
      ICC_CC  = 13   ,  // Carry Clear/Great or Equal Unsigned
      ICC_CS  =  5   ,  // Carry Set/Less Unsigned
      ICC_POS = 14   ,  // Positive
      ICC_NEG =  6   ,  // Negative
      ICC_VC  = 15   ,  // Overflow Clear
      ICC_VS  =  7   ,  // Overflow Set

      FCC_A   =  8+16,  // Always
      FCC_N   =  0+16,  // Never
      FCC_U   =  7+16,  // Unordered
      FCC_G   =  6+16,  // Greater
      FCC_UG  =  5+16,  // Unordered or Greater
      FCC_L   =  4+16,  // Less
      FCC_UL  =  3+16,  // Unordered or Less
      FCC_LG  =  2+16,  // Less or Greater
      FCC_NE  =  1+16,  // Not Equal
      FCC_E   =  9+16,  // Equal
      FCC_UE  = 10+16,  // Unordered or Equal
      FCC_GE  = 11+16,  // Greater or Equal
      FCC_UGE = 12+16,  // Unordered or Greater or Equal
      FCC_LE  = 13+16,  // Less or Equal
      FCC_ULE = 14+16,  // Unordered or Less or Equal
      FCC_O   = 15+16   // Ordered
    };
  } // namespace SPCC

  inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
    switch (CC) {
    case SPCC::ICC_A:   return "a";
    case SPCC::ICC_N:   return "n";
    case SPCC::ICC_NE:  return "ne";
    case SPCC::ICC_E:   return "e";
    case SPCC::ICC_G:   return "g";
    case SPCC::ICC_LE:  return "le";
    case SPCC::ICC_GE:  return "ge";
    case SPCC::ICC_L:   return "l";
    case SPCC::ICC_GU:  return "gu";
    case SPCC::ICC_LEU: return "leu";
    case SPCC::ICC_CC:  return "cc";
    case SPCC::ICC_CS:  return "cs";
    case SPCC::ICC_POS: return "pos";
    case SPCC::ICC_NEG: return "neg";
    case SPCC::ICC_VC:  return "vc";
    case SPCC::ICC_VS:  return "vs";
    case SPCC::FCC_A:   return "a";
    case SPCC::FCC_N:   return "n";
    case SPCC::FCC_U:   return "u";
    case SPCC::FCC_G:   return "g";
    case SPCC::FCC_UG:  return "ug";
    case SPCC::FCC_L:   return "l";
    case SPCC::FCC_UL:  return "ul";
    case SPCC::FCC_LG:  return "lg";
    case SPCC::FCC_NE:  return "ne";
    case SPCC::FCC_E:   return "e";
    case SPCC::FCC_UE:  return "ue";
    case SPCC::FCC_GE:  return "ge";
    case SPCC::FCC_UGE: return "uge";
    case SPCC::FCC_LE:  return "le";
    case SPCC::FCC_ULE: return "ule";
    case SPCC::FCC_O:   return "o";
    }
    llvm_unreachable("Invalid cond code");
  }

  inline static unsigned HI22(int64_t imm) {
    return (unsigned)((imm >> 10) & ((1 << 22)-1));
  }

  inline static unsigned LO10(int64_t imm) {
    return (unsigned)(imm & 0x3FF);
  }

  inline static unsigned HIX22(int64_t imm) {
    return HI22(~imm);
  }

  inline static unsigned LOX10(int64_t imm) {
    return ~LO10(~imm);
  }

}  // end namespace llvm
#endif