1 //===-- mulvsi3_test.c - Test __mulvsi3 -----------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file tests __mulvsi3 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "int_lib.h"
15 #include <stdio.h>
16
17 // Returns: a * b
18
19 // Effects: aborts if a * b overflows
20
21 COMPILER_RT_ABI si_int __mulvsi3(si_int a, si_int b);
22
test__mulvsi3(si_int a,si_int b,si_int expected)23 int test__mulvsi3(si_int a, si_int b, si_int expected)
24 {
25 si_int x = __mulvsi3(a, b);
26 if (x != expected)
27 printf("error in __mulvsi3: %d * %d = %d, expected %d\n",
28 a, b, x, expected);
29 return x != expected;
30 }
31
main()32 int main()
33 {
34 if (test__mulvsi3(0, 0, 0))
35 return 1;
36 if (test__mulvsi3(0, 1, 0))
37 return 1;
38 if (test__mulvsi3(1, 0, 0))
39 return 1;
40 if (test__mulvsi3(0, 10, 0))
41 return 1;
42 if (test__mulvsi3(10, 0, 0))
43 return 1;
44 if (test__mulvsi3(0, 0x1234567, 0))
45 return 1;
46 if (test__mulvsi3(0x1234567, 0, 0))
47 return 1;
48
49 if (test__mulvsi3(0, -1, 0))
50 return 1;
51 if (test__mulvsi3(-1, 0, 0))
52 return 1;
53 if (test__mulvsi3(0, -10, 0))
54 return 1;
55 if (test__mulvsi3(-10, 0, 0))
56 return 1;
57 if (test__mulvsi3(0, -0x1234567, 0))
58 return 1;
59 if (test__mulvsi3(-0x1234567, 0, 0))
60 return 1;
61
62 if (test__mulvsi3(1, 1, 1))
63 return 1;
64 if (test__mulvsi3(1, 10, 10))
65 return 1;
66 if (test__mulvsi3(10, 1, 10))
67 return 1;
68 if (test__mulvsi3(1, 0x1234567, 0x1234567))
69 return 1;
70 if (test__mulvsi3(0x1234567, 1, 0x1234567))
71 return 1;
72
73 if (test__mulvsi3(1, -1, -1))
74 return 1;
75 if (test__mulvsi3(1, -10, -10))
76 return 1;
77 if (test__mulvsi3(-10, 1, -10))
78 return 1;
79 if (test__mulvsi3(1, -0x1234567, -0x1234567))
80 return 1;
81 if (test__mulvsi3(-0x1234567, 1, -0x1234567))
82 return 1;
83
84 // if (test__mulvsi3(0x7FFFFFFF, -2, 0x80000001)) // abort
85 // return 1;
86 // if (test__mulvsi3(-2, 0x7FFFFFFF, 0x80000001)) // abort
87 // return 1;
88 if (test__mulvsi3(0x7FFFFFFF, -1, 0x80000001))
89 return 1;
90 if (test__mulvsi3(-1, 0x7FFFFFFF, 0x80000001))
91 return 1;
92 if (test__mulvsi3(0x7FFFFFFF, 0, 0))
93 return 1;
94 if (test__mulvsi3(0, 0x7FFFFFFF, 0))
95 return 1;
96 if (test__mulvsi3(0x7FFFFFFF, 1, 0x7FFFFFFF))
97 return 1;
98 if (test__mulvsi3(1, 0x7FFFFFFF, 0x7FFFFFFF))
99 return 1;
100 // if (test__mulvsi3(0x7FFFFFFF, 2, 0x80000001)) // abort
101 // return 1;
102 // if (test__mulvsi3(2, 0x7FFFFFFF, 0x80000001)) // abort
103 // return 1;
104
105 // if (test__mulvsi3(0x80000000, -2, 0x80000000)) // abort
106 // return 1;
107 // if (test__mulvsi3(-2, 0x80000000, 0x80000000)) // abort
108 // return 1;
109 // if (test__mulvsi3(0x80000000, -1, 0x80000000)) // abort
110 // return 1;
111 // if (test__mulvsi3(-1, 0x80000000, 0x80000000)) // abort
112 // return 1;
113 if (test__mulvsi3(0x80000000, 0, 0))
114 return 1;
115 if (test__mulvsi3(0, 0x80000000, 0))
116 return 1;
117 if (test__mulvsi3(0x80000000, 1, 0x80000000))
118 return 1;
119 if (test__mulvsi3(1, 0x80000000, 0x80000000))
120 return 1;
121 // if (test__mulvsi3(0x80000000, 2, 0x80000000)) // abort
122 // return 1;
123 // if (test__mulvsi3(2, 0x80000000, 0x80000000)) // abort
124 // return 1;
125
126 // if (test__mulvsi3(0x80000001, -2, 0x80000001)) // abort
127 // return 1;
128 // if (test__mulvsi3(-2, 0x80000001, 0x80000001)) // abort
129 // return 1;
130 if (test__mulvsi3(0x80000001, -1, 0x7FFFFFFF))
131 return 1;
132 if (test__mulvsi3(-1, 0x80000001, 0x7FFFFFFF))
133 return 1;
134 if (test__mulvsi3(0x80000001, 0, 0))
135 return 1;
136 if (test__mulvsi3(0, 0x80000001, 0))
137 return 1;
138 if (test__mulvsi3(0x80000001, 1, 0x80000001))
139 return 1;
140 if (test__mulvsi3(1, 0x80000001, 0x80000001))
141 return 1;
142 // if (test__mulvsi3(0x80000001, 2, 0x80000000)) // abort
143 // return 1;
144 // if (test__mulvsi3(2, 0x80000001, 0x80000000)) // abort
145 // return 1;
146
147 return 0;
148 }
149