udivsi3_test.c revision 77ed6142daed1e068fbda64405d0de9845e40e1a 
1//===-- udivsi3_test.c - Test __udivsi3 -----------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __udivsi3 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: a / b
18
19su_int __udivsi3(su_int a, su_int b);
20
21int test__udivsi3(su_int a, su_int b, su_int expected_q)
22{
23    su_int q = __udivsi3(a, b);
24    if (q != expected_q)
25        printf("error in __udivsi3: %X / %X = %X, expected %X\n",
26               a, b, q, expected_q);
27    return q != expected_q;
28}
29
30su_int tests[][4] =
31{
32{0x00000000, 0x00000001, 0x00000000},
33{0x00000000, 0x00000002, 0x00000000},
34{0x00000000, 0x00000003, 0x00000000},
35{0x00000000, 0x00000010, 0x00000000},
36{0x00000000, 0x078644FA, 0x00000000},
37{0x00000000, 0x0747AE14, 0x00000000},
38{0x00000000, 0x7FFFFFFF, 0x00000000},
39{0x00000000, 0x80000000, 0x00000000},
40{0x00000000, 0xFFFFFFFD, 0x00000000},
41{0x00000000, 0xFFFFFFFE, 0x00000000},
42{0x00000000, 0xFFFFFFFF, 0x00000000},
43{0x00000001, 0x00000001, 0x00000001},
44{0x00000001, 0x00000002, 0x00000000},
45{0x00000001, 0x00000003, 0x00000000},
46{0x00000001, 0x00000010, 0x00000000},
47{0x00000001, 0x078644FA, 0x00000000},
48{0x00000001, 0x0747AE14, 0x00000000},
49{0x00000001, 0x7FFFFFFF, 0x00000000},
50{0x00000001, 0x80000000, 0x00000000},
51{0x00000001, 0xFFFFFFFD, 0x00000000},
52{0x00000001, 0xFFFFFFFE, 0x00000000},
53{0x00000001, 0xFFFFFFFF, 0x00000000},
54{0x00000002, 0x00000001, 0x00000002},
55{0x00000002, 0x00000002, 0x00000001},
56{0x00000002, 0x00000003, 0x00000000},
57{0x00000002, 0x00000010, 0x00000000},
58{0x00000002, 0x078644FA, 0x00000000},
59{0x00000002, 0x0747AE14, 0x00000000},
60{0x00000002, 0x7FFFFFFF, 0x00000000},
61{0x00000002, 0x80000000, 0x00000000},
62{0x00000002, 0xFFFFFFFD, 0x00000000},
63{0x00000002, 0xFFFFFFFE, 0x00000000},
64{0x00000002, 0xFFFFFFFF, 0x00000000},
65{0x00000003, 0x00000001, 0x00000003},
66{0x00000003, 0x00000002, 0x00000001},
67{0x00000003, 0x00000003, 0x00000001},
68{0x00000003, 0x00000010, 0x00000000},
69{0x00000003, 0x078644FA, 0x00000000},
70{0x00000003, 0x0747AE14, 0x00000000},
71{0x00000003, 0x7FFFFFFF, 0x00000000},
72{0x00000003, 0x80000000, 0x00000000},
73{0x00000003, 0xFFFFFFFD, 0x00000000},
74{0x00000003, 0xFFFFFFFE, 0x00000000},
75{0x00000003, 0xFFFFFFFF, 0x00000000},
76{0x00000010, 0x00000001, 0x00000010},
77{0x00000010, 0x00000002, 0x00000008},
78{0x00000010, 0x00000003, 0x00000005},
79{0x00000010, 0x00000010, 0x00000001},
80{0x00000010, 0x078644FA, 0x00000000},
81{0x00000010, 0x0747AE14, 0x00000000},
82{0x00000010, 0x7FFFFFFF, 0x00000000},
83{0x00000010, 0x80000000, 0x00000000},
84{0x00000010, 0xFFFFFFFD, 0x00000000},
85{0x00000010, 0xFFFFFFFE, 0x00000000},
86{0x00000010, 0xFFFFFFFF, 0x00000000},
87{0x078644FA, 0x00000001, 0x078644FA},
88{0x078644FA, 0x00000002, 0x03C3227D},
89{0x078644FA, 0x00000003, 0x028216FE},
90{0x078644FA, 0x00000010, 0x0078644F},
91{0x078644FA, 0x078644FA, 0x00000001},
92{0x078644FA, 0x0747AE14, 0x00000001},
93{0x078644FA, 0x7FFFFFFF, 0x00000000},
94{0x078644FA, 0x80000000, 0x00000000},
95{0x078644FA, 0xFFFFFFFD, 0x00000000},
96{0x078644FA, 0xFFFFFFFE, 0x00000000},
97{0x078644FA, 0xFFFFFFFF, 0x00000000},
98{0x0747AE14, 0x00000001, 0x0747AE14},
99{0x0747AE14, 0x00000002, 0x03A3D70A},
100{0x0747AE14, 0x00000003, 0x026D3A06},
101{0x0747AE14, 0x00000010, 0x00747AE1},
102{0x0747AE14, 0x078644FA, 0x00000000},
103{0x0747AE14, 0x0747AE14, 0x00000001},
104{0x0747AE14, 0x7FFFFFFF, 0x00000000},
105{0x0747AE14, 0x80000000, 0x00000000},
106{0x0747AE14, 0xFFFFFFFD, 0x00000000},
107{0x0747AE14, 0xFFFFFFFE, 0x00000000},
108{0x0747AE14, 0xFFFFFFFF, 0x00000000},
109{0x7FFFFFFF, 0x00000001, 0x7FFFFFFF},
110{0x7FFFFFFF, 0x00000002, 0x3FFFFFFF},
111{0x7FFFFFFF, 0x00000003, 0x2AAAAAAA},
112{0x7FFFFFFF, 0x00000010, 0x07FFFFFF},
113{0x7FFFFFFF, 0x078644FA, 0x00000011},
114{0x7FFFFFFF, 0x0747AE14, 0x00000011},
115{0x7FFFFFFF, 0x7FFFFFFF, 0x00000001},
116{0x7FFFFFFF, 0x80000000, 0x00000000},
117{0x7FFFFFFF, 0xFFFFFFFD, 0x00000000},
118{0x7FFFFFFF, 0xFFFFFFFE, 0x00000000},
119{0x7FFFFFFF, 0xFFFFFFFF, 0x00000000},
120{0x80000000, 0x00000001, 0x80000000},
121{0x80000000, 0x00000002, 0x40000000},
122{0x80000000, 0x00000003, 0x2AAAAAAA},
123{0x80000000, 0x00000010, 0x08000000},
124{0x80000000, 0x078644FA, 0x00000011},
125{0x80000000, 0x0747AE14, 0x00000011},
126{0x80000000, 0x7FFFFFFF, 0x00000001},
127{0x80000000, 0x80000000, 0x00000001},
128{0x80000000, 0xFFFFFFFD, 0x00000000},
129{0x80000000, 0xFFFFFFFE, 0x00000000},
130{0x80000000, 0xFFFFFFFF, 0x00000000},
131{0xFFFFFFFD, 0x00000001, 0xFFFFFFFD},
132{0xFFFFFFFD, 0x00000002, 0x7FFFFFFE},
133{0xFFFFFFFD, 0x00000003, 0x55555554},
134{0xFFFFFFFD, 0x00000010, 0x0FFFFFFF},
135{0xFFFFFFFD, 0x078644FA, 0x00000022},
136{0xFFFFFFFD, 0x0747AE14, 0x00000023},
137{0xFFFFFFFD, 0x7FFFFFFF, 0x00000001},
138{0xFFFFFFFD, 0x80000000, 0x00000001},
139{0xFFFFFFFD, 0xFFFFFFFD, 0x00000001},
140{0xFFFFFFFD, 0xFFFFFFFE, 0x00000000},
141{0xFFFFFFFD, 0xFFFFFFFF, 0x00000000},
142{0xFFFFFFFE, 0x00000001, 0xFFFFFFFE},
143{0xFFFFFFFE, 0x00000002, 0x7FFFFFFF},
144{0xFFFFFFFE, 0x00000003, 0x55555554},
145{0xFFFFFFFE, 0x00000010, 0x0FFFFFFF},
146{0xFFFFFFFE, 0x078644FA, 0x00000022},
147{0xFFFFFFFE, 0x0747AE14, 0x00000023},
148{0xFFFFFFFE, 0x7FFFFFFF, 0x00000002},
149{0xFFFFFFFE, 0x80000000, 0x00000001},
150{0xFFFFFFFE, 0xFFFFFFFD, 0x00000001},
151{0xFFFFFFFE, 0xFFFFFFFE, 0x00000001},
152{0xFFFFFFFE, 0xFFFFFFFF, 0x00000000},
153{0xFFFFFFFF, 0x00000001, 0xFFFFFFFF},
154{0xFFFFFFFF, 0x00000002, 0x7FFFFFFF},
155{0xFFFFFFFF, 0x00000003, 0x55555555},
156{0xFFFFFFFF, 0x00000010, 0x0FFFFFFF},
157{0xFFFFFFFF, 0x078644FA, 0x00000022},
158{0xFFFFFFFF, 0x0747AE14, 0x00000023},
159{0xFFFFFFFF, 0x7FFFFFFF, 0x00000002},
160{0xFFFFFFFF, 0x80000000, 0x00000001},
161{0xFFFFFFFF, 0xFFFFFFFD, 0x00000001},
162{0xFFFFFFFF, 0xFFFFFFFE, 0x00000001},
163{0xFFFFFFFF, 0xFFFFFFFF, 0x00000001}
164};
165
166int main()
167{
168    const unsigned N = sizeof(tests) / sizeof(tests[0]);
169    unsigned i;
170    for (i = 0; i < N; ++i)
171        if (test__udivsi3(tests[i][0], tests[i][1], tests[i][2]))
172            return 1;
173
174    return 0;
175}
176