mulsi3_test.c
2.64 KB
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
// REQUIRES: riscv32-target-arch
// RUN: %clang_builtins %s %librt -o %t && %run %t
#include "int_lib.h"
#include <stdio.h>
#include <limits.h>
#if !defined(__riscv_mul) && __riscv_xlen == 32
// Based on mulsi3_test.c
COMPILER_RT_ABI si_int __mulsi3(si_int a, si_int b);
int test__mulsi3(si_int a, si_int b, si_int expected)
{
si_int x = __mulsi3(a, b);
if (x != expected)
printf("error in __mulsi3: %d * %d = %d, expected %d\n",
a, b, __mulsi3(a, b), expected);
return x != expected;
}
#endif
int main()
{
#if !defined(__riscv_mul) && __riscv_xlen == 32
if (test__mulsi3(0, 0, 0))
return 1;
if (test__mulsi3(0, 1, 0))
return 1;
if (test__mulsi3(1, 0, 0))
return 1;
if (test__mulsi3(0, 10, 0))
return 1;
if (test__mulsi3(10, 0, 0))
return 1;
if (test__mulsi3(0, INT_MAX, 0))
return 1;
if (test__mulsi3(INT_MAX, 0, 0))
return 1;
if (test__mulsi3(0, -1, 0))
return 1;
if (test__mulsi3(-1, 0, 0))
return 1;
if (test__mulsi3(0, -10, 0))
return 1;
if (test__mulsi3(-10, 0, 0))
return 1;
if (test__mulsi3(0, INT_MIN, 0))
return 1;
if (test__mulsi3(INT_MIN, 0, 0))
return 1;
if (test__mulsi3(1, 1, 1))
return 1;
if (test__mulsi3(1, 10, 10))
return 1;
if (test__mulsi3(10, 1, 10))
return 1;
if (test__mulsi3(1, INT_MAX, INT_MAX))
return 1;
if (test__mulsi3(INT_MAX, 1, INT_MAX))
return 1;
if (test__mulsi3(1, -1, -1))
return 1;
if (test__mulsi3(1, -10, -10))
return 1;
if (test__mulsi3(-10, 1, -10))
return 1;
if (test__mulsi3(1, INT_MIN, INT_MIN))
return 1;
if (test__mulsi3(INT_MIN, 1, INT_MIN))
return 1;
if (test__mulsi3(46340, 46340, 2147395600))
return 1;
if (test__mulsi3(-46340, 46340, -2147395600))
return 1;
if (test__mulsi3(46340, -46340, -2147395600))
return 1;
if (test__mulsi3(-46340, -46340, 2147395600))
return 1;
if (test__mulsi3(4194303, 8192, 34359730176))
return 1;
if (test__mulsi3(-4194303, 8192, -34359730176))
return 1;
if (test__mulsi3(4194303, -8192, -34359730176))
return 1;
if (test__mulsi3(-4194303, -8192, 34359730176))
return 1;
if (test__mulsi3(8192, 4194303, 34359730176))
return 1;
if (test__mulsi3(-8192, 4194303, -34359730176))
return 1;
if (test__mulsi3(8192, -4194303, -34359730176))
return 1;
if (test__mulsi3(-8192, -4194303, 34359730176))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}