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gerrit-public.fairphone.software / platform / external / compiler-rt / 0797ff48ae6a585382b6ff8bda98dfa72874e4d0 / . / test / Unit / mulvdi3_test.c
blob: a023bf611279d726c6298cc67efb0659f46ac390 [file] [log] [blame]
Daniel Dunbarb3a69012009-06-26 16:47:03 +0000[diff] [blame]1//===-- mulvdi3_test.c - Test __mulvdi3 -----------------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
Howard Hinnant9ad441f2010-11-16 22:13:33 +0000[diff] [blame]5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
Daniel Dunbarb3a69012009-06-26 16:47:03 +0000[diff] [blame]7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __mulvdi3 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
21di_int __mulvdi3(di_int a, di_int b);
22
23int test__mulvdi3(di_int a, di_int b, di_int expected)
24{
25 di_int x = __mulvdi3(a, b);
26 if (x != expected)
27 printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n",
28 a, b, x, expected);
29 return x != expected;
30}
31
32int main()
33{
34 if (test__mulvdi3(0, 0, 0))
35 return 1;
36 if (test__mulvdi3(0, 1, 0))
37 return 1;
38 if (test__mulvdi3(1, 0, 0))
39 return 1;
40 if (test__mulvdi3(0, 10, 0))
41 return 1;
42 if (test__mulvdi3(10, 0, 0))
43 return 1;
44 if (test__mulvdi3(0, 81985529216486895LL, 0))
45 return 1;
46 if (test__mulvdi3(81985529216486895LL, 0, 0))
47 return 1;
48
49 if (test__mulvdi3(0, -1, 0))
50 return 1;
51 if (test__mulvdi3(-1, 0, 0))
52 return 1;
53 if (test__mulvdi3(0, -10, 0))
54 return 1;
55 if (test__mulvdi3(-10, 0, 0))
56 return 1;
57 if (test__mulvdi3(0, -81985529216486895LL, 0))
58 return 1;
59 if (test__mulvdi3(-81985529216486895LL, 0, 0))
60 return 1;
61
62 if (test__mulvdi3(1, 1, 1))
63 return 1;
64 if (test__mulvdi3(1, 10, 10))
65 return 1;
66 if (test__mulvdi3(10, 1, 10))
67 return 1;
68 if (test__mulvdi3(1, 81985529216486895LL, 81985529216486895LL))
69 return 1;
70 if (test__mulvdi3(81985529216486895LL, 1, 81985529216486895LL))
71 return 1;
72
73 if (test__mulvdi3(1, -1, -1))
74 return 1;
75 if (test__mulvdi3(1, -10, -10))
76 return 1;
77 if (test__mulvdi3(-10, 1, -10))
78 return 1;
79 if (test__mulvdi3(1, -81985529216486895LL, -81985529216486895LL))
80 return 1;
81 if (test__mulvdi3(-81985529216486895LL, 1, -81985529216486895LL))
82 return 1;
83
84 if (test__mulvdi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
85 return 1;
86 if (test__mulvdi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
87 return 1;
88 if (test__mulvdi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
89 return 1;
90 if (test__mulvdi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
91 return 1;
92
93 if (test__mulvdi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
94 return 1;
95 if (test__mulvdi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
96 return 1;
97 if (test__mulvdi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
98 return 1;
99 if (test__mulvdi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
100 return 1;
101
102 if (test__mulvdi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
103 return 1;
104 if (test__mulvdi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
105 return 1;
106 if (test__mulvdi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
107 return 1;
108 if (test__mulvdi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
109 return 1;
110
111// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -2, 0x8000000000000001LL)) // abort
112// return 1;
113// if (test__mulvdi3(-2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
114// return 1;
115 if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL))
116 return 1;
117 if (test__mulvdi3(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
118 return 1;
119 if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 0, 0))
120 return 1;
121 if (test__mulvdi3(0, 0x7FFFFFFFFFFFFFFFLL, 0))
122 return 1;
123 if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL))
124 return 1;
125 if (test__mulvdi3(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL))
126 return 1;
127// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL)) // abort
128// return 1;
129// if (test__mulvdi3(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
130// return 1;
131
132// if (test__mulvdi3(0x8000000000000000LL, -2, 0x8000000000000000LL)) // abort
133// return 1;
134// if (test__mulvdi3(-2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
135// return 1;
136// if (test__mulvdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) // abort
137// return 1;
138// if (test__mulvdi3(-1, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
139// return 1;
140 if (test__mulvdi3(0x8000000000000000LL, 0, 0))
141 return 1;
142 if (test__mulvdi3(0, 0x8000000000000000LL, 0))
143 return 1;
144 if (test__mulvdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
145 return 1;
146 if (test__mulvdi3(1, 0x8000000000000000LL, 0x8000000000000000LL))
147 return 1;
148// if (test__mulvdi3(0x8000000000000000LL, 2, 0x8000000000000000LL)) // abort
149// return 1;
150// if (test__mulvdi3(2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
151// return 1;
152
153// if (test__mulvdi3(0x8000000000000001LL, -2, 0x8000000000000001LL)) // abort
154// return 1;
155// if (test__mulvdi3(-2, 0x8000000000000001LL, 0x8000000000000001LL)) // abort
156// return 1;
157 if (test__mulvdi3(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL))
158 return 1;
159 if (test__mulvdi3(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
160 return 1;
161 if (test__mulvdi3(0x8000000000000001LL, 0, 0))
162 return 1;
163 if (test__mulvdi3(0, 0x8000000000000001LL, 0))
164 return 1;
165 if (test__mulvdi3(0x8000000000000001LL, 1, 0x8000000000000001LL))
166 return 1;
167 if (test__mulvdi3(1, 0x8000000000000001LL, 0x8000000000000001LL))
168 return 1;
169// if (test__mulvdi3(0x8000000000000001LL, 2, 0x8000000000000000LL)) // abort
170// return 1;
171// if (test__mulvdi3(2, 0x8000000000000001LL, 0x8000000000000000LL)) // abort
172// return 1;
173
174 return 0;
175}