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
|
// The encoding used for conditional codes used in BR instructions
#ifndef LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
#define LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
#include "llvm/ADT/StringSwitch.h"
namespace llvm {
namespace LPCC {
enum CondCode {
ICC_T = 0, // true
ICC_F = 1, // false
ICC_HI = 2, // high
ICC_UGT = 2, // unsigned greater than
ICC_LS = 3, // low or same
ICC_ULE = 3, // unsigned less than or equal
ICC_CC = 4, // carry cleared
ICC_ULT = 4, // unsigned less than
ICC_CS = 5, // carry set
ICC_UGE = 5, // unsigned greater than or equal
ICC_NE = 6, // not equal
ICC_EQ = 7, // equal
ICC_VC = 8, // oVerflow cleared
ICC_VS = 9, // oVerflow set
ICC_PL = 10, // plus
ICC_MI = 11, // minus
ICC_GE = 12, // greater than or equal
ICC_LT = 13, // less than
ICC_GT = 14, // greater than
ICC_LE = 15, // less than or equal
UNKNOWN
};
inline static StringRef lanaiCondCodeToString(LPCC::CondCode CC) {
switch (CC) {
case LPCC::ICC_T:
return "t"; // true
case LPCC::ICC_F:
return "f"; // false
case LPCC::ICC_NE:
return "ne"; // not equal
case LPCC::ICC_EQ:
return "eq"; // equal
case LPCC::ICC_VC:
return "vc"; // oVerflow cleared
case LPCC::ICC_VS:
return "vs"; // oVerflow set
case LPCC::ICC_PL:
return "pl"; // plus
case LPCC::ICC_MI:
return "mi"; // minus
case LPCC::ICC_GE:
return "ge"; // greater than or equal
case LPCC::ICC_LT:
return "lt"; // less than
case LPCC::ICC_GT:
return "gt"; // greater than
case LPCC::ICC_LE:
return "le"; // less than or equal
case LPCC::ICC_UGT:
return "ugt"; // high | unsigned greater than
case LPCC::ICC_ULE:
return "ule"; // low or same | unsigned less or equal
case LPCC::ICC_ULT:
return "ult"; // carry cleared | unsigned less than
case LPCC::ICC_UGE:
return "uge"; // carry set | unsigned than or equal
default:
llvm_unreachable("Invalid cond code");
}
}
inline static CondCode suffixToLanaiCondCode(StringRef S) {
return StringSwitch<CondCode>(S)
.EndsWith("f", LPCC::ICC_F)
.EndsWith("hi", LPCC::ICC_HI)
.EndsWith("ugt", LPCC::ICC_UGT)
.EndsWith("ls", LPCC::ICC_LS)
.EndsWith("ule", LPCC::ICC_ULE)
.EndsWith("cc", LPCC::ICC_CC)
.EndsWith("ult", LPCC::ICC_ULT)
.EndsWith("cs", LPCC::ICC_CS)
.EndsWith("uge", LPCC::ICC_UGE)
.EndsWith("ne", LPCC::ICC_NE)
.EndsWith("eq", LPCC::ICC_EQ)
.EndsWith("vc", LPCC::ICC_VC)
.EndsWith("vs", LPCC::ICC_VS)
.EndsWith("pl", LPCC::ICC_PL)
.EndsWith("mi", LPCC::ICC_MI)
.EndsWith("ge", LPCC::ICC_GE)
.EndsWith("lt", LPCC::ICC_LT)
.EndsWith("gt", LPCC::ICC_GT)
.EndsWith("le", LPCC::ICC_LE)
.EndsWith("t", LPCC::ICC_T) // Has to be after others with suffix t
.Default(LPCC::UNKNOWN);
}
} // namespace LPCC
} // namespace llvm
#endif // LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
|
