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      1 //===-- udivsi3_test.c - Test __udivsi3 -----------------------------------===//
      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 __udivsi3 for the compiler_rt library.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "int_lib.h"
     15 #include <stdio.h>
     16 
     17 // Returns: a / b
     18 
     19 su_int __udivsi3(su_int a, su_int b);
     20 
     21 int 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 
     30 su_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 
    166 int 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