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gerrit-public.fairphone.software / platform / external / compiler-rt / 0797ff48ae6a585382b6ff8bda98dfa72874e4d0 / . / test / Unit / mulodi4_test.c
blob: 10a0eaac61f9fbc4e4fcfb22ae31b155711fffc9 [file] [log] [blame]
Eric Christopher1ace4052011-06-17 20:17:05 +0000[diff] [blame]1//===-- mulodi4_test.c - Test __mulodi4 -----------------------------------===//
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 __mulodi4 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17extern di_int __mulodi4(di_int a, di_int b, int* overflow);
18
19int test__mulodi4(di_int a, di_int b, di_int expected, int expected_overflow)
20{
21 int ov;
22 di_int x = __mulodi4(a, b, &ov);
23 if (ov != expected_overflow)
24 printf("error in __mulodi4: overflow=%d expected=%d\n",
25 ov, expected_overflow);
26 else if (!expected_overflow && x != expected) {
27 printf("error in __mulodi4: 0x%llX * 0x%llX = 0x%llX (overflow=%d), "
28 "expected 0x%llX (overflow=%d)\n",
29 a, b, x, ov, expected, expected_overflow);
30 return 1;
31 }
32 return 0;
33}
34
35int main()
36{
37 if (test__mulodi4(0, 0, 0, 0))
38 return 1;
39 if (test__mulodi4(0, 1, 0, 0))
40 return 1;
41 if (test__mulodi4(1, 0, 0, 0))
42 return 1;
43 if (test__mulodi4(0, 10, 0, 0))
44 return 1;
45 if (test__mulodi4(10, 0, 0, 0))
46 return 1;
47 if (test__mulodi4(0, 81985529216486895LL, 0, 0))
48 return 1;
49 if (test__mulodi4(81985529216486895LL, 0, 0, 0))
50 return 1;
51
52 if (test__mulodi4(0, -1, 0, 0))
53 return 1;
54 if (test__mulodi4(-1, 0, 0, 0))
55 return 1;
56 if (test__mulodi4(0, -10, 0, 0))
57 return 1;
58 if (test__mulodi4(-10, 0, 0, 0))
59 return 1;
60 if (test__mulodi4(0, -81985529216486895LL, 0, 0))
61 return 1;
62 if (test__mulodi4(-81985529216486895LL, 0, 0, 0))
63 return 1;
64
65 if (test__mulodi4(1, 1, 1, 0))
66 return 1;
67 if (test__mulodi4(1, 10, 10, 0))
68 return 1;
69 if (test__mulodi4(10, 1, 10, 0))
70 return 1;
71 if (test__mulodi4(1, 81985529216486895LL, 81985529216486895LL, 0))
72 return 1;
73 if (test__mulodi4(81985529216486895LL, 1, 81985529216486895LL, 0))
74 return 1;
75
76 if (test__mulodi4(1, -1, -1, 0))
77 return 1;
78 if (test__mulodi4(1, -10, -10, 0))
79 return 1;
80 if (test__mulodi4(-10, 1, -10, 0))
81 return 1;
82 if (test__mulodi4(1, -81985529216486895LL, -81985529216486895LL, 0))
83 return 1;
84 if (test__mulodi4(-81985529216486895LL, 1, -81985529216486895LL, 0))
85 return 1;
86
87 if (test__mulodi4(3037000499LL, 3037000499LL, 9223372030926249001LL, 0))
88 return 1;
89 if (test__mulodi4(-3037000499LL, 3037000499LL, -9223372030926249001LL, 0))
90 return 1;
91 if (test__mulodi4(3037000499LL, -3037000499LL, -9223372030926249001LL, 0))
92 return 1;
93 if (test__mulodi4(-3037000499LL, -3037000499LL, 9223372030926249001LL, 0))
94 return 1;
95
96 if (test__mulodi4(4398046511103LL, 2097152LL, 9223372036852678656LL, 0))
97 return 1;
98 if (test__mulodi4(-4398046511103LL, 2097152LL, -9223372036852678656LL, 0))
99 return 1;
100 if (test__mulodi4(4398046511103LL, -2097152LL, -9223372036852678656LL, 0))
101 return 1;
102 if (test__mulodi4(-4398046511103LL, -2097152LL, 9223372036852678656LL, 0))
103 return 1;
104
105 if (test__mulodi4(2097152LL, 4398046511103LL, 9223372036852678656LL, 0))
106 return 1;
107 if (test__mulodi4(-2097152LL, 4398046511103LL, -9223372036852678656LL, 0))
108 return 1;
109 if (test__mulodi4(2097152LL, -4398046511103LL, -9223372036852678656LL, 0))
110 return 1;
111 if (test__mulodi4(-2097152LL, -4398046511103LL, 9223372036852678656LL, 0))
112 return 1;
113
114 if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -2, 2, 1))
115 return 1;
116 if (test__mulodi4(-2, 0x7FFFFFFFFFFFFFFFLL, 2, 1))
117 return 1;
118 if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL, 0))
119 return 1;
120 if (test__mulodi4(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 0))
121 return 1;
122 if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 0, 0, 0))
123 return 1;
124 if (test__mulodi4(0, 0x7FFFFFFFFFFFFFFFLL, 0, 0))
125 return 1;
126 if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL, 0))
127 return 1;
128 if (test__mulodi4(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL, 0))
129 return 1;
130 if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL, 1))
131 return 1;
132 if (test__mulodi4(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 1))
133 return 1;
134
135 if (test__mulodi4(0x8000000000000000LL, -2, 0x8000000000000000LL, 1))
136 return 1;
137 if (test__mulodi4(-2, 0x8000000000000000LL, 0x8000000000000000LL, 1))
138 return 1;
139 if (test__mulodi4(0x8000000000000000LL, -1, 0x8000000000000000LL, 1))
140 return 1;
141 if (test__mulodi4(-1, 0x8000000000000000LL, 0x8000000000000000LL, 1))
142 return 1;
143 if (test__mulodi4(0x8000000000000000LL, 0, 0, 0))
144 return 1;
145 if (test__mulodi4(0, 0x8000000000000000LL, 0, 0))
146 return 1;
147 if (test__mulodi4(0x8000000000000000LL, 1, 0x8000000000000000LL, 0))
148 return 1;
149 if (test__mulodi4(1, 0x8000000000000000LL, 0x8000000000000000LL, 0))
150 return 1;
151 if (test__mulodi4(0x8000000000000000LL, 2, 0x8000000000000000LL, 1))
152 return 1;
153 if (test__mulodi4(2, 0x8000000000000000LL, 0x8000000000000000LL, 1))
154 return 1;
155
156 if (test__mulodi4(0x8000000000000001LL, -2, 0x8000000000000001LL, 1))
157 return 1;
158 if (test__mulodi4(-2, 0x8000000000000001LL, 0x8000000000000001LL, 1))
159 return 1;
160 if (test__mulodi4(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL, 0))
161 return 1;
162 if (test__mulodi4(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL, 0))
163 return 1;
164 if (test__mulodi4(0x8000000000000001LL, 0, 0, 0))
165 return 1;
166 if (test__mulodi4(0, 0x8000000000000001LL, 0, 0))
167 return 1;
168 if (test__mulodi4(0x8000000000000001LL, 1, 0x8000000000000001LL, 0))
169 return 1;
170 if (test__mulodi4(1, 0x8000000000000001LL, 0x8000000000000001LL, 0))
171 return 1;
172 if (test__mulodi4(0x8000000000000001LL, 2, 0x8000000000000000LL, 1))
173 return 1;
174 if (test__mulodi4(2, 0x8000000000000001LL, 0x8000000000000000LL, 1))
175 return 1;
176
177 return 0;
178}