1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_mulsi3
3
4 #include "int_lib.h"
5 #include <stdio.h>
6 #include <limits.h>
7
8 COMPILER_RT_ABI si_int __mulsi3(si_int a, si_int b);
9
test__mulsi3(si_int a,si_int b,si_int expected)10 int test__mulsi3(si_int a, si_int b, si_int expected)
11 {
12 si_int x = __mulsi3(a, b);
13 if (x != expected)
14 printf("error in __mulsi3: %d * %d = %d, expected %d\n",
15 a, b, x, expected);
16 return x != expected;
17 }
18
main()19 int main()
20 {
21 if (test__mulsi3(0, 0, 0))
22 return 1;
23 if (test__mulsi3(0, 1, 0))
24 return 1;
25 if (test__mulsi3(1, 0, 0))
26 return 1;
27 if (test__mulsi3(0, 10, 0))
28 return 1;
29 if (test__mulsi3(10, 0, 0))
30 return 1;
31 if (test__mulsi3(0, INT_MAX, 0))
32 return 1;
33 if (test__mulsi3(INT_MAX, 0, 0))
34 return 1;
35
36 if (test__mulsi3(0, -1, 0))
37 return 1;
38 if (test__mulsi3(-1, 0, 0))
39 return 1;
40 if (test__mulsi3(0, -10, 0))
41 return 1;
42 if (test__mulsi3(-10, 0, 0))
43 return 1;
44 if (test__mulsi3(0, INT_MIN, 0))
45 return 1;
46 if (test__mulsi3(INT_MIN, 0, 0))
47 return 1;
48
49 if (test__mulsi3(1, 1, 1))
50 return 1;
51 if (test__mulsi3(1, 10, 10))
52 return 1;
53 if (test__mulsi3(10, 1, 10))
54 return 1;
55 if (test__mulsi3(1, INT_MAX, INT_MAX))
56 return 1;
57 if (test__mulsi3(INT_MAX, 1, INT_MAX))
58 return 1;
59
60 if (test__mulsi3(1, -1, -1))
61 return 1;
62 if (test__mulsi3(1, -10, -10))
63 return 1;
64 if (test__mulsi3(-10, 1, -10))
65 return 1;
66 if (test__mulsi3(1, INT_MIN, INT_MIN))
67 return 1;
68 if (test__mulsi3(INT_MIN, 1, INT_MIN))
69 return 1;
70
71 if (test__mulsi3(46340, 46340, 2147395600))
72 return 1;
73 if (test__mulsi3(-46340, 46340, -2147395600))
74 return 1;
75 if (test__mulsi3(46340, -46340, -2147395600))
76 return 1;
77 if (test__mulsi3(-46340, -46340, 2147395600))
78 return 1;
79
80 if (test__mulsi3(4194303, 8192, 34359730176))
81 return 1;
82 if (test__mulsi3(-4194303, 8192, -34359730176))
83 return 1;
84 if (test__mulsi3(4194303, -8192, -34359730176))
85 return 1;
86 if (test__mulsi3(-4194303, -8192, 34359730176))
87 return 1;
88
89 if (test__mulsi3(8192, 4194303, 34359730176))
90 return 1;
91 if (test__mulsi3(-8192, 4194303, -34359730176))
92 return 1;
93 if (test__mulsi3(8192, -4194303, -34359730176))
94 return 1;
95 if (test__mulsi3(-8192, -4194303, 34359730176))
96 return 1;
97
98 return 0;
99 }
100