sys/external/bsd/compiler_rt/dist/test/Unit/mulvsi3_test.c

   1 //===-- mulvsi3_test.c - Test __mulvsi3 -----------------------------------===//
   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 __mulvsi3 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
  21 si_int __mulvsi3(si_int a, si_int b);
  22
  23 int test__mulvsi3(si_int a, si_int b, si_int expected)
  24 {
  25     si_int x = __mulvsi3(a, b);
  26     if (x != expected)
  27         printf("error in __mulvsi3: %d * %d = %d, expected %d\n",
  28                a, b, x, expected);
  29     return x != expected;
  30 }
  31
  32 int main()
  33 {
  34     if (test__mulvsi3(0, 0, 0))
  35         return 1;
  36     if (test__mulvsi3(0, 1, 0))
  37         return 1;
  38     if (test__mulvsi3(1, 0, 0))
  39         return 1;
  40     if (test__mulvsi3(0, 10, 0))
  41         return 1;
  42     if (test__mulvsi3(10, 0, 0))
  43         return 1;
  44     if (test__mulvsi3(0, 0x1234567, 0))
  45         return 1;
  46     if (test__mulvsi3(0x1234567, 0, 0))
  47         return 1;
  48
  49     if (test__mulvsi3(0, -1, 0))
  50         return 1;
  51     if (test__mulvsi3(-1, 0, 0))
  52         return 1;
  53     if (test__mulvsi3(0, -10, 0))
  54         return 1;
  55     if (test__mulvsi3(-10, 0, 0))
  56         return 1;
  57     if (test__mulvsi3(0, -0x1234567, 0))
  58         return 1;
  59     if (test__mulvsi3(-0x1234567, 0, 0))
  60         return 1;
  61
  62     if (test__mulvsi3(1, 1, 1))
  63         return 1;
  64     if (test__mulvsi3(1, 10, 10))
  65         return 1;
  66     if (test__mulvsi3(10, 1, 10))
  67         return 1;
  68     if (test__mulvsi3(1, 0x1234567, 0x1234567))
  69         return 1;
  70     if (test__mulvsi3(0x1234567, 1, 0x1234567))
  71         return 1;
  72
  73     if (test__mulvsi3(1, -1, -1))
  74         return 1;
  75     if (test__mulvsi3(1, -10, -10))
  76         return 1;
  77     if (test__mulvsi3(-10, 1, -10))
  78         return 1;
  79     if (test__mulvsi3(1, -0x1234567, -0x1234567))
  80         return 1;
  81     if (test__mulvsi3(-0x1234567, 1, -0x1234567))
  82         return 1;
  83
  84 //     if (test__mulvsi3(0x7FFFFFFF, -2, 0x80000001))  // abort
  85 //         return 1;
  86 //     if (test__mulvsi3(-2, 0x7FFFFFFF, 0x80000001))  // abort
  87 //         return 1;
  88     if (test__mulvsi3(0x7FFFFFFF, -1, 0x80000001))
  89         return 1;
  90     if (test__mulvsi3(-1, 0x7FFFFFFF, 0x80000001))
  91         return 1;
  92     if (test__mulvsi3(0x7FFFFFFF, 0, 0))
  93         return 1;
  94     if (test__mulvsi3(0, 0x7FFFFFFF, 0))
  95         return 1;
  96     if (test__mulvsi3(0x7FFFFFFF, 1, 0x7FFFFFFF))
  97         return 1;
  98     if (test__mulvsi3(1, 0x7FFFFFFF, 0x7FFFFFFF))
  99         return 1;
 100 //     if (test__mulvsi3(0x7FFFFFFF, 2, 0x80000001))  // abort
 101 //         return 1;
 102 //     if (test__mulvsi3(2, 0x7FFFFFFF, 0x80000001))  // abort
 103 //         return 1;
 104
 105 //     if (test__mulvsi3(0x80000000, -2, 0x80000000))  // abort
 106 //         return 1;
 107 //     if (test__mulvsi3(-2, 0x80000000, 0x80000000))  // abort
 108 //         return 1;
 109 //     if (test__mulvsi3(0x80000000, -1, 0x80000000))  // abort
 110 //         return 1;
 111 //     if (test__mulvsi3(-1, 0x80000000, 0x80000000))  // abort
 112 //         return 1;
 113     if (test__mulvsi3(0x80000000, 0, 0))
 114         return 1;
 115     if (test__mulvsi3(0, 0x80000000, 0))
 116         return 1;
 117     if (test__mulvsi3(0x80000000, 1, 0x80000000))
 118         return 1;
 119     if (test__mulvsi3(1, 0x80000000, 0x80000000))
 120         return 1;
 121 //     if (test__mulvsi3(0x80000000, 2, 0x80000000))  // abort
 122 //         return 1;
 123 //     if (test__mulvsi3(2, 0x80000000, 0x80000000))  // abort
 124 //         return 1;
 125
 126 //     if (test__mulvsi3(0x80000001, -2, 0x80000001))  // abort
 127 //         return 1;
 128 //     if (test__mulvsi3(-2, 0x80000001, 0x80000001))  // abort
 129 //         return 1;
 130     if (test__mulvsi3(0x80000001, -1, 0x7FFFFFFF))
 131         return 1;
 132     if (test__mulvsi3(-1, 0x80000001, 0x7FFFFFFF))
 133         return 1;
 134     if (test__mulvsi3(0x80000001, 0, 0))
 135         return 1;
 136     if (test__mulvsi3(0, 0x80000001, 0))
 137         return 1;
 138     if (test__mulvsi3(0x80000001, 1, 0x80000001))
 139         return 1;
 140     if (test__mulvsi3(1, 0x80000001, 0x80000001))
 141         return 1;
 142 //     if (test__mulvsi3(0x80000001, 2, 0x80000000))  // abort
 143 //         return 1;
 144 //     if (test__mulvsi3(2, 0x80000001, 0x80000000))  // abort
 145 //         return 1;
 146
 147     return 0;
 148 }