mulvdi3_test.c revision 9ad441ffec97db647fee3725b3424284fb913e14 
1e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//===-- mulvdi3_test.c - Test __mulvdi3 -----------------------------------===//
2e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//
3e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//                     The LLVM Compiler Infrastructure
4e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//
5e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen// This file is dual licensed under the MIT and the University of Illinois Open
6e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen// Source Licenses. See LICENSE.TXT for details.
7e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//
8e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//===----------------------------------------------------------------------===//
9e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//
10e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen// This file tests __mulvdi3 for the compiler_rt library.
11e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//
12e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen//===----------------------------------------------------------------------===//
13e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen
14e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen#include "int_lib.h"
15e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen#include <stdio.h>
16e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen
17e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen// Returns: a * b
18e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen
19e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen// Effects: aborts if a * b overflows
20e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen
21e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justendi_int __mulvdi3(di_int a, di_int b);
22e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen
23e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justenint test__mulvdi3(di_int a, di_int b, di_int expected)
24e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen{
25e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    di_int x = __mulvdi3(a, b);
26e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    if (x != expected)
27e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen        printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n",
28e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen               a, b, x, expected);
29e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    return x != expected;
30e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen}
31e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen
32e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justenint main()
33e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen{
34e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    if (test__mulvdi3(0, 0, 0))
35e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen        return 1;
36e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    if (test__mulvdi3(0, 1, 0))
37e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen        return 1;
38e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    if (test__mulvdi3(1, 0, 0))
39e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen        return 1;
40e080218b9c7438ed47fdfe6bd4e4d34907db730bJordan Justen    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}
176