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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_mulvdi3
#include "int_lib.h"
#include <stdio.h>
// Returns: a * b
// Effects: aborts if a * b overflows
COMPILER_RT_ABI di_int __mulvdi3(di_int a, di_int b);
int test__mulvdi3(di_int a, di_int b, di_int expected)
{
di_int x = __mulvdi3(a, b);
if (x != expected)
printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n",
a, b, x, expected);
return x != expected;
}
int main()
{
if (test__mulvdi3(0, 0, 0))
return 1;
if (test__mulvdi3(0, 1, 0))
return 1;
if (test__mulvdi3(1, 0, 0))
return 1;
if (test__mulvdi3(0, 10, 0))
return 1;
if (test__mulvdi3(10, 0, 0))
return 1;
if (test__mulvdi3(0, 81985529216486895LL, 0))
return 1;
if (test__mulvdi3(81985529216486895LL, 0, 0))
return 1;
if (test__mulvdi3(0, -1, 0))
return 1;
if (test__mulvdi3(-1, 0, 0))
return 1;
if (test__mulvdi3(0, -10, 0))
return 1;
if (test__mulvdi3(-10, 0, 0))
return 1;
if (test__mulvdi3(0, -81985529216486895LL, 0))
return 1;
if (test__mulvdi3(-81985529216486895LL, 0, 0))
return 1;
if (test__mulvdi3(1, 1, 1))
return 1;
if (test__mulvdi3(1, 10, 10))
return 1;
if (test__mulvdi3(10, 1, 10))
return 1;
if (test__mulvdi3(1, 81985529216486895LL, 81985529216486895LL))
return 1;
if (test__mulvdi3(81985529216486895LL, 1, 81985529216486895LL))
return 1;
if (test__mulvdi3(1, -1, -1))
return 1;
if (test__mulvdi3(1, -10, -10))
return 1;
if (test__mulvdi3(-10, 1, -10))
return 1;
if (test__mulvdi3(1, -81985529216486895LL, -81985529216486895LL))
return 1;
if (test__mulvdi3(-81985529216486895LL, 1, -81985529216486895LL))
return 1;
if (test__mulvdi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
return 1;
if (test__mulvdi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
return 1;
if (test__mulvdi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
return 1;
if (test__mulvdi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
return 1;
if (test__mulvdi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
return 1;
if (test__mulvdi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
return 1;
if (test__mulvdi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
return 1;
if (test__mulvdi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
return 1;
if (test__mulvdi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
return 1;
// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -2, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(-2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
// return 1;
if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL))
return 1;
if (test__mulvdi3(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
return 1;
if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 0, 0))
return 1;
if (test__mulvdi3(0, 0x7FFFFFFFFFFFFFFFLL, 0))
return 1;
if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__mulvdi3(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL))
return 1;
// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(0x8000000000000000LL, -2, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(-2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(-1, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
// return 1;
if (test__mulvdi3(0x8000000000000000LL, 0, 0))
return 1;
if (test__mulvdi3(0, 0x8000000000000000LL, 0))
return 1;
if (test__mulvdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
return 1;
if (test__mulvdi3(1, 0x8000000000000000LL, 0x8000000000000000LL))
return 1;
// if (test__mulvdi3(0x8000000000000000LL, 2, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(0x8000000000000001LL, -2, 0x8000000000000001LL)) // abort
// return 1;
// if (test__mulvdi3(-2, 0x8000000000000001LL, 0x8000000000000001LL)) // abort
// return 1;
if (test__mulvdi3(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__mulvdi3(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
return 1;
if (test__mulvdi3(0x8000000000000001LL, 0, 0))
return 1;
if (test__mulvdi3(0, 0x8000000000000001LL, 0))
return 1;
if (test__mulvdi3(0x8000000000000001LL, 1, 0x8000000000000001LL))
return 1;
if (test__mulvdi3(1, 0x8000000000000001LL, 0x8000000000000001LL))
return 1;
// if (test__mulvdi3(0x8000000000000001LL, 2, 0x8000000000000000LL)) // abort
// return 1;
// if (test__mulvdi3(2, 0x8000000000000001LL, 0x8000000000000000LL)) // abort
// return 1;
return 0;
}
|
