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
|
// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_negti2
// REQUIRES: int128
#include "int_lib.h"
#include <stdio.h>
#ifdef CRT_HAS_128BIT
// Returns: -a
COMPILER_RT_ABI ti_int __negti2(ti_int a);
int test__negti2(ti_int a, ti_int expected)
{
ti_int x = __negti2(a);
if (x != expected)
{
twords at;
at.all = a;
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in __negti2: -0x%.16llX%.16llX = 0x%.16llX%.16llX, "
"expected 0x%.16llX%.16llX\n",
at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
}
return x != expected;
}
char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
#endif
int main()
{
#ifdef CRT_HAS_128BIT
if (test__negti2(0, 0))
return 1;
if (test__negti2(1, -1))
return 1;
if (test__negti2(-1, 1))
return 1;
if (test__negti2(2, -2))
return 1;
if (test__negti2(-2, 2))
return 1;
if (test__negti2(3, -3))
return 1;
if (test__negti2(-3, 3))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL),
make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL),
make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL),
make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),
make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
return 1;
if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
return 1;
if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
return 1;
if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
return 1;
if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
return 1;
if (test__negti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
|
